{"id":40356,"date":"2025-05-28T15:22:03","date_gmt":"2025-05-28T07:22:03","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/40356.html"},"modified":"2025-05-28T15:22:03","modified_gmt":"2025-05-28T07:22:03","slug":"%e7%ac%ac%e5%8d%81%e4%b8%80%e7%ab%a0%e3%80%81%e8%bf%9c%e7%a8%8b%e8%81%94%e6%9c%ba%e6%9c%8d%e5%8a%a1%e5%99%a8ssh-xdmcp-vnc-rdp","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/40356.html","title":{"rendered":"\u7b2c\u5341\u4e00\u7ae0\u3001\u8fdc\u7a0b\u8054\u673a\u670d\u52a1\u5668SSH \/ XDMCP \/ VNC \/ RDP"},"content":{"rendered":"

11.1 \u8fdc\u7a0b\u8054\u673a\u670d\u52a1\u5668<\/span><\/span><\/p>\n

\u8fdc\u7a0b\u8054\u673a\u670d\u52a1\u5668\u5bf9\u6211\u4eec\u6765\u8bf4，\u53ef\u662f\u4e00\u9879\u5f88\u6709\u7528\u7684\u5de5\u5177\u554a！\u4ed6\u53ef\u4ee5\u8ba9\u6211\u4eec\u66f4\u65b9\u4fbf\u7684\u7ba1\u7406\u4e3b\u673a\u3002 \u4e0d\u8fc7，\u65b9\u4fbf\u5f52\u65b9\u4fbf，\u4f46\u5f00\u653e\u5168\u4e16\u754c\u90fd\u53ef\u4ee5\u5c1d\u8bd5\u767b\u5165\u4f60\u7684\u4e3b\u673a\u5e76\u4e0d\u4e2a\u597d\u4e3b\u610f，\u56e0\u4e3a\u53ef\u80fd\u4f1a\u6709\u5b89\u5168\u6027\u7684\u95ee\u9898\u5436！ \u6240\u4ee5\u672c\u7ae0\u624d\u8981\u7279\u522b\u5f3a\u8c03\u4e00\u4e0b\u8fd9\u4e2a\u73a9\u610f\u513f\u554a！<\/span><\/span> \u00a0<\/p>\n

\n

<\/span><\/span> <\/p>\n

\"\u5c0f\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

11.1.1 \u4ec0\u4e48\u662f\u8fdc\u7a0b\u8054\u673a\u670d\u52a1\u5668<\/span><\/span><\/span> <\/p>\n

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Tips:\u5f88\u591a\u4eba\u4f1a\u8bf4，\u6211\u7528 FTP \u4e5f\u8981\u8f93\u5165\u8d26\u53f7\u5bc6\u7801\u6765\u767b\u5165\u554a？\u90a3\u4e0e\u8fd9\u4e2a\u7ae0\u8282\u8c08\u5230\u7684\u767b\u5165\u6709\u4f55\u4e0d\u540c？\u6700\u5927\u7684\u4e0d\u540c\u5728\u4e8e\u53d6\u5f97\u7684 shell \u80fd\u8fdb\u884c\u7684\u5de5\u4f5c\u5566！\u7528 ssh\/telnet\/VNC \u7b49\u65b9\u5f0f\u53d6\u5f97\u7684\u6587\u5b57\u6216\u56fe\u5f62 shell \u80fd\u591f\u8fdb\u884c\u5f88\u591a\u7cfb\u7edf\u7ba1\u7406\u7684\u4efb\u52a1，\u4e0e\u5355\u7eaf\u7684 FTP \u80fd\u8fdb\u884c\u7684\u5de5\u4f5c\u5f53\u7136\u4e0d\u540c！<\/span><\/span><\/span><\/td>\n\n

\"\u9e1f\u54e5\u7684\u56fe\u793a\"<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \n
  • \n
    \n

    \u8054\u673a\u670d\u52a1\u5668\u7684\u529f\u80fd\u4f5c\u7528\u4e4b\u4e00：\u5206\u4eab Unix Like \u4e3b\u673a\u7684\u8fd0\u7b97\u80fd\u529b<\/span><\/span><\/li>\n<\/ul>\n

    \u5f53\u4f60\u7684\u5de5\u4f5c\u9700\u8981\u4f7f\u7528\u5230 Linux \u5f3a\u5927\u7684\u7a0b\u5e8f\u8bed\u8a00\u7f16\u8bd1\u529f\u80fd\u65f6，\u90a3\u4e48\u4f60\u4e00\u5b9a\u9700\u8981 Linux \u5bf9\u5427！\u800c\u4e14\u6700\u597d\u662f\u6307\u4ee4\u5468\u671f\u5feb\u4e00\u70b9\u7684\u4e3b\u673a， \u8fd9\u4e2a\u65f6\u5019\u4f60\u53ef\u4ee5\u5c06\u4f60\u7814\u7a76\u5ba4\u6700\u5feb\u7684\u90a3\u4e00\u90e8\u4e3b\u673a\u5f00\u653e\u51fa\u6765，\u8bbe\u5b9a\u4e00\u4e0b\u8fdc\u7a0b\u8054\u673a\u670d\u52a1\u5668，\u8ba9\u4f60\u7684\u5b66\u751f\u5566，\u6216\u8005\u662f\u7814\u7a76\u5ba4\u7684\u540c\u4ec1\u5566， \u53ef\u4ee5\u900f\u8fc7\u8fd9\u90e8\u673a\u5668\u5e2e\u4ed6\u4eec\u8fdb\u884c\u7814\u7a76\u7684\u5de5\u4f5c，\u8fd9\u4e2a\u65f6\u5019，\u4f60\u7684\u4e3b\u673a\u5c31\u53ef\u4ee5\u8ba9\u591a\u4eba\u8fdb\u884c\u5206\u4eab Linux \u8fd0\u7b97\u7684\u529f\u80fd\u5566！<\/span><\/span><\/p>\n

    \u4e3e\u4f8b\u6765\u8bf4，\u9e1f\u54e5\u4e0e\u6606\u5c71\u8fd8\u6709\u957f\u8363\u5927\u5b66\u7684\u8001\u5e08\u3001\u540c\u5b66\u4eec\u7ec4\u5efa\u4e86\u4e00\u7ec4\u670d\u52a1\u5668\u7b49\u7ea7\u7684\u4e1b\u96c6\u67b6\u6784\u8ba1\u7b97\u673a (PC cluster)， \u76ee\u524d\u6211\u4eec\u5728\u8be5\u8ba1\u7b97\u673a\u4e0a\u9762\u8dd1 MM5 \u3001Models3 \u7b49\u5927\u6c14\u4e0e\u7a7a\u6c14\u8d28\u91cf\u6a21\u5f0f，\u8981\u5728\u8fd9\u6837\u7684\u67b6\u6784\u5e95\u4e0b\u8dd1\u6570\u503c\u6a21\u5f0f\u7684\u539f\u56e0， \u4e3b\u8981\u5c31\u662f\u8003\u8651\u8fd0\u7b97\u80fd\u529b\u3002\u90a3\u4f1a\u4f7f\u7528\u5230\u8be5\u7ec4\u8ba1\u7b97\u673a\u7684\u6709\u597d\u591a\u4eba，\u96be\u9053\u5927\u5bb6\u90fd\u5728\u6324\u5728\u4e00\u90e8\u5c4f\u5e55\u524d\u9762\u5de5\u4f5c？\u5f53\u7136\u4e0d\u9700\u8981\u5566！ \u8fd9\u65f6\u5019\u5c31\u662f\u8fdc\u7a0b\u8054\u673a\u670d\u52a1\u5668\u7684\u670d\u52a1\u8303\u56f4\u5570！<\/span><\/span><\/p>\n

    \u4f46\u662f\u5426\u6bcf\u4e00\u90e8\u8fde\u5230 Internet \u4e0a\u9762\u7684\u4e3b\u673a\u90fd\u5e94\u8be5\u8981\u5f00\u653e\u8fdc\u7a0b\u8054\u673a\u7684\u529f\u80fd\u5462？\u5176\u5b9e\u5e76\u4e0d\u5c3d\u7136， \u8fd8\u662f\u9700\u8981\u9488\u5bf9\u4f60\u7684\u4e3b\u673a\u6765\u8fdb\u884c\u89c4\u5212\u7684，\u6211\u4eec\u5e95\u4e0b\u5206\u670d\u52a1\u5668\u4e0e\u5de5\u4f5c\u7ad9\u6765\u8bf4\u660e：<\/span><\/span> \u00a0<\/p>\n

      \n
    • \n
      \n

      \u670d\u52a1\u5668\u7c7b\u578b (Server) ：\u6709\u9650\u5ea6\u7684\u5f00\u653e\u8054\u673a<\/span><\/span><\/li>\n<\/ul>\n

      \u5728\u4e00\u822c\u5bf9\u56e0\u7279\u7f51\u5f00\u653e\u670d\u52a1\u7684\u670d\u52a1\u5668\u4e2d，\u7531\u4e8e\u5f00\u653e\u7684\u670d\u52a1\u53ef\u80fd\u4f1a\u6709\u8f83\u4e3a\u91cd\u8981\u7684\u4fe1\u606f，\u800c\u8fdc\u7a0b\u8054\u673a\u7a0b\u5e8f\u8fde\u8fdb\u4e3b\u673a\u4e4b\u540e， \u53ef\u4ee5\u8fdb\u884c\u7684\u5de5\u4f5c\u53c8\u592a\u591a\u4e86(\u51e0\u4e4e\u5c31\u50cf\u5728\u4e3b\u673a\u524d\u9762\u5de5\u4f5c\u4e00\u822c！)，\u56e0\u6b64\u670d\u52a1\u5668\u7684\u8fdc\u7a0b\u8054\u673a\u7a0b\u5e8f\u901a\u5e38\u4ec5\u9488\u5bf9\u5c11\u90e8\u5206\u7cfb\u7edf\u7ef4\u62a4\u8005\u5f00\u653e\u800c\u5df2！\u00a0\u9664\u975e\u5fc5\u8981，\u5426\u5219 Server \u7c7b\u578b\u7684\u4e3b\u673a\u8fd8\u771f\u7684\u4e0d\u5efa\u8bae\u5f00\u653e\u8054\u673a\u7684\u670d\u52a1\u5462！<\/span><\/span><\/span><\/p>\n

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        \n
      • \n
        \n

        \u5de5\u4f5c\u7ad9\u7c7b\u578b (Workstation) ：\u53ea\u5bf9\u5185\u7f51\u5f00\u653e<\/span><\/span><\/li>\n<\/ul>\n

        \u6240\u8c13\u7684\u5de5\u4f5c\u7ad9\u5c31\u662f\u4e0d\u63d0\u4f9b\u56e0\u7279\u7f51\u670d\u52a1\u7684\u4e3b\u673a，\u4ec5\u63d0\u4f9b\u5927\u91cf\u7684\u8fd0\u7b97\u80fd\u529b\u7ed9\u4f7f\u7528\u8005\u3002 \u65e2\u7136\u4e0d\u63d0\u4f9b\u56e0\u7279\u7f51\u7684\u670d\u52a1，\u90a3\u4f60\u8fd8\u5f00\u8054\u673a\u670d\u52a1\u5668\u5e72\u561b？\u4e0d\u662f\u5566！\u50cf\u524d\u9762\u9e1f\u54e5\u63d0\u5230\u7684 PC cluster \u5927\u91cf\u8fd0\u7b97\u7684\u6574\u7ec4\u8ba1\u7b97\u673a， \u4e5f\u53ef\u4ee5\u79f0\u4e4b\u4e3a\u5de5\u4f5c\u7ad9，\u56e0\u4e3a\u5b83\u6ca1\u6709\u63d0\u4f9b\u5e38\u89c1\u7684\u7f51\u7edc\u670d\u52a1\u561b！\u4e0d\u8fc7\u5fc5\u987b\u8981\u63d0\u4f9b\u7ed9\u4f7f\u7528\u8005\u767b\u5165\u7684\u6743\u9650，\u8fd9\u6837\u5927\u5bb6\u624d\u7528\u7684\u5230\u8fd0\u7b97\u529f\u80fd\u554a！ \u6b64\u65f6\u4f60\u5c31\u5f97\u8981\u9488\u5bf9\u5185\u90e8，\u6216\u8005\u662f\u7279\u5b9a\u7684\u67d0\u4e9b\u6765\u6e90\u5f00\u653e\u4ed6\u4eec\u4f7f\u7528\u4f60\u7684\u5de5\u4f5c\u7ad9\u5570！<\/span><\/span><\/p>\n

        \n

        <\/span><\/span> <\/p>\n

        \"\u5c0f\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

        11.1.2 \u6709\u54ea\u4e9b\u53ef\u4f9b\u767b\u5165\u7684\u7c7b\u578b？<\/span><\/span><\/span> <\/p>\n

        \u90a3\u4e48\u76ee\u524d\u8fdc\u7a0b\u8054\u673a\u670d\u52a1\u5668\u7684\u4e3b\u8981\u7c7b\u578b\u6709\u54ea\u4e9b？\u5982\u679c\u4ee5\u767b\u5165\u7684\u8054\u673a\u754c\u9762\u6765\u5206\u7c7b，\u57fa\u672c\u4e0a\u6709\u6587\u5b57\u63a5\u53e3\u4e0e\u56fe\u5f62\u63a5\u53e3\u4e24\u79cd：<\/span><\/span><\/p>\n

          \n
        • \u6587\u5b57\u63a5\u53e3\u660e\u7801： telnet, rsh \u7b49\u4e3a\u4e3b，\u76ee\u524d\u975e\u5e38\u5c11\u7528；<\/span><\/span><\/li>\n
        • \u6587\u5b57\u63a5\u53e3\u5bc6\u7801： ssh \u4e3a\u4e3b，\u5df2\u7ecf\u53d6\u4ee3\u4e0a\u8ff0\u7684 telnet, rsh \u7b49\u660e\u7801\u65b9\u5f0f；<\/span><\/span><\/li>\n
        • \u56fe\u5f62\u63a5\u53e3： Xdmcp, VNC, RDP \u7b49\u8f83\u4e3a\u5e38\u89c1<\/span><\/span><\/li>\n<\/ul>\n

          \u5728\u6587\u5b57\u63a5\u53e3\u767b\u5165\u7684\u8054\u673a\u670d\u52a1\u5668，\u4e3b\u8981\u6709\u4ee5\u300e\u660e\u7801\u300f\u4f20\u9001\u6570\u636e\u7684 telnet \u670d\u52a1\u5668，\u53ca\u4ee5\u52a0\u5bc6\u6280\u672f\u8fdb\u884c\u6570\u636e\u52a0\u5bc6\u518d\u4f20\u9001\u7684 SSH \u670d\u52a1\u5668！\u867d\u7136 telnet \u53ef\u4ee5\u652f\u6301\u7684\u5ba2\u6237\u7aef\u8f6f\u4ef6\u6bd4\u8f83\u591a，\u4e0d\u8fc7\u7531\u4e8e\u5b83\u662f\u4f7f\u7528\u660e\u7801\u6765\u4f20\u9001\u6570\u636e，\u4f60\u7684\u6570\u636e\u5f88\u5bb9\u6613\u906d\u5230\u6709\u5fc3\u4eba\u58eb\u7684\u64b7\u53d6！ \u6240\u4ee5\u8fd1\u6765\u6211\u4eec\u90fd\u547c\u5401\u5927\u5bb6\u591a\u4f7f\u7528 SSH \u8fd9\u4e00\u79cd\u8054\u673a\u65b9\u5f0f<\/span><\/span><\/p>\n

          \u81f3\u4e8e\u56fe\u5f62\u63a5\u53e3\u7684\u8054\u673a\u670d\u52a1\u5668，\u6bd4\u8f83\u7b80\u5355\u7684\u6709 Xdmcp (X Display Manager Control Protocol)，\u67b6\u8bbe Xdmcp \u5f88\u7b80\u5355， \u4e0d\u8fc7\u5ba2\u6237\u7aef\u7684\u8f6f\u4ef6\u6bd4\u8f83\u5c11\u3002\u53e6\u5916\u4e00\u6b3e\u76ee\u524d\u5f88\u5e38\u89c1\u7684\u56fe\u5f62\u8054\u673a\u670d\u52a1\u5668，\u5c31\u662f VNC (Virtual Network Computing)， \u900f\u8fc7 VNC server\/client \u8f6f\u4ef6\u6765\u8fdb\u884c\u8fde\u63a5\u3002\u5982\u679c\u4f60\u60f3\u8981\u4f7f\u7528\u7c7b\u4f3c Windows \u7684\u8fdc\u7a0b\u684c\u9762\u8054\u673a，\u8be5\u529f\u80fd\u4f7f\u7528\u7684\u662f RDP (Remote Desktop Protocol)，\u90a3\u4f60\u53ef\u5f97\u8981\u67b6\u8bbe RDP \u670d\u52a1\u5668\u624d\u884c\u3002<\/span><\/span><\/p>\n\n\n\n
          Tips:\u56fe\u5f62\u63a5\u53e3\u6700\u5927\u7684\u4f18\u70b9\u662f\u300e\u56fe\u5f62\u300f\u554a！\u4e0d\u8fc7，\u56e0\u4e3a\u662f\u900f\u8fc7\u56fe\u5f62\u6765\u4f20\u9001，\u4f20\u8f93\u7684\u6570\u636e\u91cf\u76f8\u5f53\u7684\u5927， \u6240\u4ee5\u901f\u5ea6\u4e0e\u5b89\u5168\u6027\u90fd\u6709\u5f85\u8003\u8651\u3002\u56e0\u6b64，\u6211\u4eec\u4ec5\u5efa\u8bae\u4f60\u5c06\u56fe\u5f62\u63a5\u53e3\u7684\u8fdc\u7a0b\u767b\u5f55\u670d\u52a1\u5668\u5f00\u653e\u5728\u5185\u90e8\u7f51\u57df (LAN) \u5c31\u597d\u4e86！<\/span><\/span><\/span><\/td>\n\n

          \"\u9e1f\u54e5\u7684\u56fe\u793a\"<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            \n
          • \n
            \n

            \u6570\u636e\u4f20\u9001\u7684\u660e\u7801\u4e0e\u5bc6\u7801<\/span><\/span><\/li>\n<\/ul>\n

            \u4ec0\u4e48\u662f\u300e\u660e\u7801\u300f\u4e0e\u300e\u52a0\u5bc6\u300f\u7684\u6570\u636e\u5c01\u5305\u4f20\u9001\u6a21\u5f0f\u5462？\u4e3a\u4ec0\u4e48 telnet \u4f7f\u7528\u660e\u7801\u5c31\u6bd4\u8f83\u4e0d\u5b89\u5168？\u6240\u8c13\u7684\u660e\u7801\u5c31\u662f： \u300e\u5f53\u6211\u4eec\u7684\u6570\u636e\u5c01\u5305\u5728\u7f51\u7edc\u4e0a\u4f20\u8f93\u65f6，\u8be5\u6570\u636e\u5c01\u5305\u7684\u5185\u5bb9\u4e3a\u6570\u636e\u7684\u539f\u59cb\u683c\u5f0f<\/span>\u300f， \u4e5f\u5c31\u662f\u8bf4，\u4f60\u4f7f\u7528 telnet \u767b\u5165\u8fdc\u7a0b\u4e3b\u673a\u65f6，\u4e0d\u662f\u5f97\u8981\u8f93\u5165\u8d26\u53f7\u5bc6\u7801\u5417？\u90a3\u4f60\u7684\u8d26\u53f7\u5bc6\u7801\u662f\u4ee5\u539f\u672c\u7684\u6570\u636e\u683c\u5f0f\u4f20\u8f93， \u6240\u4ee5\u5982\u679c\u88ab\u7c7b\u4f3c\u00a0tcpdump\u00a0\u4e4b\u7c7b\u7684\u76d1\u542c\u8f6f\u4ef6\u64b7\u53d6\u6570\u636e， \u90a3\u4f60\u7684\u5e10\u5bc6\u5c31\u6709\u53ef\u80fd\u88ab\u7a83\u53d6\u5566！<\/span><\/span><\/p>\n

            \u6240\u4ee5\u5566，\u4e07\u4e00\u4f60\u7684\u6570\u636e\u5c01\u5305\u91cc\u9762\u542b\u6709\u4fe1\u7528\u5361\u6570\u636e\u3001\u5bc6\u7801\u3001\u8eab\u4efd\u786e\u8ba4\u7b49\u91cd\u8981\u4fe1\u606f\u65f6，\u662f\u5426\u5f88\u5371\u9669\u5436？ \u56e0\u6b64，\u76ee\u524d\u6211\u4eec\u901a\u5e38\u90fd\u5e0c\u671b\u4f7f\u7528\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u5728\u7f51\u7edc\u4e0a\u9762\u8dd1\u7684\u6570\u636e\u52a0\u5bc6\u7684\u6280\u672f，\u4ee5\u589e\u52a0\u6570\u636e\u5728 Internet \u4e0a\u9762\u4f20\u9001\u7684\u5b89\u5168\u6027\u554a！<\/span><\/span><\/p>\n\n\n\n
            Tips:\u8bf4 ssh \u6bd4\u8f83\u5b89\u5168，\u5176\u5b9e\u662f\u900f\u8fc7 ssh \u4fe1\u9053\u4f20\u8f93\u8baf\u606f\u65f6，\u8be5\u8baf\u606f\u5728\u7f51\u7edc\u4e0a\u9762\u6bd4\u8f83\u5b89\u5168，\u56e0\u4e3a\u6570\u636e\u662f\u52a0\u5bc6\u8fc7\u7684，\u5373\u4f7f\u88ab\u7a83\u53d6， \u5bf9\u65b9\u53ef\u80fd\u4e5f\u4e0d\u4f1a\u77e5\u9053\u6570\u636e\u5185\u5bb9\u4e3a\u4f55，\u56e0\u6b64\u4fe1\u606f\u6bd4\u8f83\u5b89\u5168\u3002\u4f46\u8fd9\u4e0d\u4ee3\u8868 ssh \u8fd9\u4e2a\u901a\u8baf\u534f\u8bae\u5c31\u6bd4\u8f83\u5b89\u5168\u5594！\u4e24\u8005\u610f\u4e49\u4e0d\u540c！<\/span><\/span><\/span><\/td>\n\n

            \"\u9e1f\u54e5\u7684\u56fe\u793a\"<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            \n

            \u00a0 <\/p>\n

            \u7531\u4e8e\u660e\u7801\u4f20\u8f93\u7684 telnet, rsh \u7b49\u8054\u673a\u670d\u52a1\u5668\u5df2\u7ecf\u88ab ssh \u53d6\u4ee3，\u5e76\u4e14\u5728\u4e00\u4e9b\u5b9e\u9645\u5e94\u7528\u4e0a\u5df2\u7ecf\u5f88\u5c11\u770b\u5230 telnet \u4e0e rsh \u4e86， \u56e0\u6b64\u672c\u7ae0\u5728\u6587\u5b57\u63a5\u53e3\u4e0a\u7740\u91cd\u4e8e\u4ecb\u7ecd ssh \u7684\u5e94\u7528，\u5305\u62ec\u4ee5 rsync \u85c9\u7531 ssh \u901a\u9053\u6765\u8fdb\u884c\u5f02\u5730\u5907\u63f4\u7684\u4efb\u52a1\u7b49\u7b49\u3002\u81f3\u4e8e\u56fe\u5f62\u63a5\u53e3\u5219\u4f1a\u4ecb\u7ecd Xdmcp, VNC \u4e0e RDP \u5594！\u56e0\u4e3a\u5f88\u591a\u5de5\u4f5c\u7ad9\u7528\u6237\u9700\u8981\u663e\u793a\u4ed6\u4eec\u5728\u5de5\u4f5c\u7ad9\u5b9e\u4f5c\u540e\u7684\u56fe\u5f62\u5448\u73b0，\u56e0\u6b64\u8fd9\u90e8\u5206\u4e5f\u662f\u5f88\u91cd\u8981\u7684\u5462！<\/span><\/span><\/p>\n

            \n

            \"\u5927\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

            11.2 \u6587\u5b57\u63a5\u53e3\u8054\u673a\u670d\u52a1\u5668： SSH \u670d\u52a1\u5668<\/span><\/span><\/p>\n

            \u7531\u4e8e\u5148\u524d\u7684\u8fdc\u7a0b\u8054\u673a\u670d\u52a1\u5668\u5927\u591a\u662f\u660e\u7801，\u800c\u4e14\u534f\u8bae\u4e5f\u6709\u4e9b\u8d44\u5b89\u95ee\u9898，\u56e0\u6b64\u540e\u6765\u5c31\u6709 SSH \u8fd9\u4e2a\u534f\u8bae\u6765\u53d6\u4ee3\u4e0a\u8ff0\u8fd9\u4e9b\u549a\u549a\u3002 \u90a3\u4e48 SSH \u662f\u4ec0\u4e48\u5462？\u5b83\u6709\u4ec0\u4e48\u7279\u5f02\u529f\u80fd？\u7b80\u5355\u7684\u6765\u8bf4，SSH \u662f\u00a0Secure\u00a0SHell protocol \u7684\u7b80\u5199 (\u5b89\u5168\u7684\u58f3\u7a0b\u5e8f\u534f\u8bae)<\/span>，\u5b83\u53ef\u4ee5\u900f\u8fc7\u6570\u636e\u5c01\u5305\u52a0\u5bc6\u6280\u672f，\u5c06\u7b49\u5f85\u4f20\u8f93\u7684\u5c01\u5305\u52a0\u5bc6\u540e\u518d\u4f20\u8f93\u5230\u7f51\u7edc\u4e0a， \u56e0\u6b64，\u6570\u636e\u8baf\u606f\u5f53\u7136\u5c31\u6bd4\u8f83\u5b89\u5168\u5570！\u8fd9\u4e2a SSH \u53ef\u4ee5\u7528\u6765\u53d6\u4ee3\u8f83\u4e0d\u5b89\u5168\u7684 finger, R Shell (rcp, rlogin, rsh \u7b49), talk \u53ca telnet \u7b49\u8054\u673a\u6a21\u5f0f\u3002\u5e95\u4e0b\u6211\u4eec\u5c06\u5148\u7b80\u4ecb\u4e00\u4e0b SSH \u7684\u8054\u673a\u6a21\u5f0f，\u6765\u8bf4\u660e\u4e3a\u4ec0\u4e48 SSH \u7684\u6570\u636e\u8baf\u606f\u4f1a\u6bd4\u8f83\u5b89\u5168\u5462！<\/span><\/span><\/p>\n

            \u7279\u522b\u6ce8\u610f：\u8fd9\u4e2a SSH \u534f\u8bae，\u5728\u9884\u8bbe\u7684\u72b6\u6001\u4e2d，\u672c\u8eab\u5c31\u63d0\u4f9b\u4e24\u4e2a\u670d\u52a1\u5668\u529f\u80fd：<\/span><\/span><\/p>\n

          • \u4e00\u4e2a\u5c31\u662f\u7c7b\u4f3c telnet \u7684\u8fdc\u7a0b\u8054\u673a\u4f7f\u7528 shell \u7684\u670d\u52a1\u5668，\u4ea6\u5373\u662f\u4fd7\u79f0\u7684 ssh ；<\/span><\/span><\/li>\n
          • \u53e6\u4e00\u4e2a\u5c31\u662f\u7c7b\u4f3c FTP \u670d\u52a1\u7684 sftp-server ！\u63d0\u4f9b\u66f4\u5b89\u5168\u7684 FTP \u670d\u52a1\u3002<\/span><\/span><\/li>\n

            \u00a0 <\/p>\n

            \n

            <\/span><\/span> <\/p>\n

            \"\u5c0f\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

            11.2.1 \u8054\u673a\u52a0\u5bc6\u6280\u672f\u7b80\u4ecb<\/span><\/span><\/span> <\/p>\n

            \u4ec0\u4e48\u662f\u300e\u6570\u636e\u52a0\u5bc6\u300f\u5462？\u7b80\u5355\u7684\u8bf4，\u5c31\u662f\u5c06\u4eba\u4eec\u770b\u7684\u61c2\u5f97\u539f\u59cb\u7535\u5b50\u6570\u636e，\u7ecf\u8fc7\u4e00\u4e9b\u8fd0\u7b97，\u8ba9\u8fd9\u4e9b\u6570\u636e\u53d8\u6210\u6ca1\u6709\u610f\u4e49\u7684\u4e71\u7801 (\u81f3\u5c11\u5bf9\u4eba\u7c7b\u6765\u8bf4)，\u7136\u540e\u518d\u8ba9\u8fd9\u4e2a\u549a\u549a\u5728\u7f51\u7edc\u4e0a\u9762\u4f20\u8f93，\u800c\u5f53\u7528\u6237\u60f3\u8981\u67e5\u9605\u8fd9\u4e2a\u6570\u636e\u65f6，\u518d\u900f\u8fc7\u89e3\u5bc6\u8fd0\u7b97， \u5c06\u8fd9\u4e9b\u549a\u549a\u53cd\u63a8\u51fa\u539f\u59cb\u7684\u7535\u5b50\u6570\u636e\u3002\u7531\u4e8e\u8fd9\u4e9b\u6570\u636e\u5df2\u7ecf\u88ab\u91cd\u65b0\u5904\u7406\u8fc7，\u6240\u4ee5，\u5373\u4f7f\u6570\u636e\u5728\u56e0\u7279\u7f51\u4e0a\u88ab cracker \u76d1\u542c\u800c\u7a83\u53d6，\u4ed6\u4eec\u4e5f\u4e0d\u5bb9\u6613\u5c31\u63a8\u7b97\u5f97\u51fa\u6765\u539f\u59cb\u8d44\u6599\u5185\u5bb9\u7684\u3002<\/span><\/span><\/p>\n\n\n\n
            Tips:\u9e1f\u54e5\u5e38\u5e38\u8bf4，\u52a0\u5bc6\u673a\u5236\u6709\u70b9\u50cf\u662f\u4e24\u4e2a\u4eba\u4e4b\u95f4\u7684\u706b\u661f\u8bed\u5bf9\u8bdd\u5566！\u5982\u679c\u4f60\u8ddf\u4f60\u7684\u670b\u53cb\u7ea6\u5b9a\u597d\u4f7f\u7528\u4f60\u4eec\u5236\u8ba2\u7684\u67d0\u79cd\u7279\u522b\u8bed\u8a00， \u8fd9\u4e2a\u8bed\u8a00\u53ea\u5bf9\u4f60\u4eec\u4e24\u4e2a\u6709\u610f\u4e49\u3002\u90a3\u4e48\u5f53\u4f60\u4eec\u4e24\u4eba\u8bb2\u8bdd\u65f6，\u5728\u65c1\u8fb9\u7684\u4eba\u542c\u5230\u7684\u53ea\u662f\u4e00\u5806\u6ca1\u6709\u610f\u4e49\u7684\u58f0\u97f3，\u56e0\u4e3a\u4ed6\u4eec\u542c\u4e0d\u61c2\u554a！ \u5373\u4f7f\u8def\u4eba\u5c06\u4f60\u7684\u58f0\u97f3\u5f55\u4e0b\u6765，\u53ea\u8981\u4ed6\u4e0d\u77e5\u9053\u4f60\u4eec\u7684\u7279\u6b8a\u7528\u8bed，\u90a3\u4ed6\u5c31\u4e0d\u53ef\u80fd\u4e86\u89e3\u4f60\u4eec\u5bf9\u8bdd\u7684\u5185\u5bb9\u5570\u3002<\/span><\/span><\/span><\/td>\n\n

            \"\u9e1f\u54e5\u7684\u56fe\u793a\"<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            \u52a0\u89e3\u5bc6\u8fd0\u7b97\u7684\u673a\u5236\u4e0e\u6280\u672f\u975e\u5e38\u591a，\u6211\u4eec\u8fd9\u91cc\u4e0d\u53bb\u8ba8\u8bba\u590d\u6742\u7684\u7406\u8bba\u95ee\u9898，\u53ea\u8c08\u5bf9\u6211\u4eec\u6bd4\u8f83\u6709\u5173\u7684\u4e00\u4e9b\u52a0\u89e3\u5bc6\u6982\u5ff5\u800c\u5df2\u3002 \u76ee\u524d\u5e38\u89c1\u7684\u7f51\u7edc\u5c01\u5305\u52a0\u5bc6\u6280\u672f\u901a\u5e38\u662f\u85c9\u7531\u6240\u8c13\u7684\u300e\u975e\u5bf9\u79f0\u5bc6\u94a5\u7cfb\u7edf<\/span>\u300f\u6765\u5904\u7406\u7684\u3002 \u4e3b\u8981\u662f\u900f\u8fc7\u4e24\u628a\u4e0d\u4e00\u6837\u7684\u516c\u94a5\u4e0e\u79c1\u94a5 (Public and Private Key) \u6765\u8fdb\u884c\u52a0\u5bc6\u4e0e\u89e3\u5bc6\u7684\u8fc7\u7a0b\u3002\u7531\u4e8e\u8fd9\u4e24\u628a\u94a5\u5319\u662f\u63d0\u4f9b\u52a0\u89e3\u5bc6\u7684\u529f\u7528， \u6240\u4ee5\u5728\u540c\u4e00\u4e2a\u65b9\u5411\u7684\u8054\u673a\u4e2d，\u8fd9\u4e24\u628a\u94a5\u5319\u5f53\u7136\u662f\u9700\u8981\u6210\u5bf9\u7684！\u5b83\u7684\u529f\u7528\u5206\u522b\u5982\u4e0b：<\/span><\/span><\/p>\n

              \n
            • \u516c\u94a5 (public key)：\u63d0\u4f9b\u7ed9\u8fdc\u7a0b\u4e3b\u673a\u8fdb\u884c\u6570\u636e\u52a0\u5bc6\u7684\u884c\u4e3a，\u4e5f\u5c31\u662f\u8bf4，\u5927\u5bb6\u90fd\u80fd\u53d6\u5f97\u4f60\u7684\u516c\u94a5\u6765\u5c06\u6570\u636e\u52a0\u5bc6\u7684\u610f\u601d；<\/span><\/span><\/li>\n
            • \u79c1\u94a5 (private key)：\u8fdc\u7a0b\u4e3b\u673a\u4f7f\u7528\u4f60\u7684\u516c\u94a5\u52a0\u5bc6\u7684\u6570\u636e，\u5728\u672c\u5730\u7aef\u5c31\u80fd\u591f\u4f7f\u7528\u79c1\u94a5\u6765\u8fdb\u884c\u89e3\u5bc6\u3002\u7531\u4e8e\u79c1\u94a5\u662f\u8fd9\u4e48\u7684\u91cd\u8981，\u00a0\u56e0\u6b64\u79c1\u94a5\u662f\u4e0d\u80fd\u591f\u5916\u6d41\u7684！\u53ea\u80fd\u4fdd\u62a4\u5728\u81ea\u5df1\u7684\u4e3b\u673a\u4e0a\u3002<\/span><\/span><\/li>\n<\/ul>\n

              \u7531\u4e8e\u6bcf\u90e8\u4e3b\u673a\u90fd\u5e94\u8be5\u6709\u81ea\u5df1\u7684\u5bc6\u94a5 (\u516c\u94a5\u4e0e\u79c1\u94a5)，\u4e14\u516c\u94a5\u7528\u6765\u52a0\u5bc6\u800c\u79c1\u94a5\u7528\u6765\u89e3\u5bc6， \u5176\u4e2d\u79c1\u94a5\u4e0d\u53ef\u5916\u6d41\u3002\u4f46\u56e0\u4e3a\u7f51\u7edc\u8054\u673a\u662f\u53cc\u5411\u7684，\u6240\u4ee5，\u6bcf\u4e2a\u4eba\u5e94\u8be5\u90fd\u8981\u6709\u5bf9\u65b9\u7684\u300e\u516c\u94a5\u300f\u624d\u5bf9！<\/span>\u90a3\u5982\u679c\u4ee5 ssh \u8fd9\u4e2a\u901a\u8baf\u534f\u8bae\u6765\u8bf4，\u5728\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u7aef\u7684\u76f8\u5bf9\u8054\u673a\u65b9\u5411\u4e0a，\u5e94\u8be5\u6709\u5982\u4e0b\u7684\u52a0\u5bc6\u52a8\u4f5c：<\/span><\/span><\/p>\n

              \"\u516c\u94a5\u4e0e\u79c1\u94a5\u5728\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u65f6\u7684\u89d2\u8272\u793a\u610f\u56fe\"<\/p>\n

              \u56fe 11.2-1\u3001\u516c\u94a5\u4e0e\u79c1\u94a5\u5728\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u65f6\u7684\u89d2\u8272\u793a\u610f\u56fe<\/span><\/span><\/p>\n

              \u5982\u4e0a\u56fe\u6240\u793a，\u6211\u4eec\u5982\u679c\u7ad9\u5728\u5ba2\u6237\u7aef\u7684\u89d2\u5ea6\u6765\u770b，\u90a3\u4e48，\u9996\u5148\u4f60\u5fc5\u987b\u8981\u53d6\u5f97\u670d\u52a1\u5668\u7aef\u7684\u516c\u94a5，\u7136\u540e\u5c06\u81ea\u5df1\u7684\u516c\u94a5\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7aef， \u6700\u7ec8\u5728\u5ba2\u6237\u7aef\u4e0a\u9762\u7684\u5bc6\u94a5\u4f1a\u662f\u300e\u670d\u52a1\u5668\u7684\u516c\u94a5\u52a0\u4e0a\u5ba2\u6237\u7aef\u6211\u81ea\u5df1\u7684\u79c1\u94a5\u300f\u6765\u7ec4\u6210\u7684\u3002<\/span><\/span><\/p>\n\n\n\n
              Tips:\u6570\u636e\u52a0\u5bc6\u7684\u6280\u672f\u771f\u7684\u76f8\u5f53\u7684\u591a，\u4e5f\u5404\u6709\u5176\u4f18\u7f3a\u70b9，\u6709\u7684\u6307\u4ee4\u5468\u671f\u5feb，\u4f46\u662f\u4e0d\u591f\u5b89\u5168；\u6709\u7684\u591f\u5b89\u5168，\u4f46\u662f\u52a0\u5bc6\/\u89e3\u5bc6\u7684\u901f\u5ea6\u8f83\u6162～ \u76ee\u524d\u5728 SSH \u4f7f\u7528\u4e0a，\u4e3b\u8981\u662f\u5229\u7528 RSA\/DSA\/Diffie-Hellman \u7b49\u673a\u5236\u5594！<\/span><\/span><\/span><\/td>\n\n

              \"\u9e1f\u54e5\u7684\u56fe\u793a\"<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

              \u76ee\u524d SSH \u7684\u534f\u8bae\u7248\u672c\u6709\u4e24\u79cd，\u5206\u522b\u662f version 1 \u4e0e version 2 ，\u5176\u4e2d V2 \u7531\u4e8e\u52a0\u4e0a\u4e86\u8054\u673a\u68c0\u6d4b\u7684\u673a\u5236， \u53ef\u4ee5\u907f\u514d\u8054\u673a\u671f\u95f4\u88ab\u63d2\u5165\u6076\u610f\u7684\u653b\u51fb\u7801，\u56e0\u6b64\u6bd4 V1 \u8fd8\u8981\u66f4\u52a0\u7684\u5b89\u5168\u3002\u6240\u4ee5\u5570，\u8bf7\u5c3d\u91cf\u4f7f\u7528 V2 \u7248\u672c\u5373\u53ef，\u4e0d\u8981\u4f7f\u7528 V1 \u5570\u3002 \u65e0\u8bba\u662f\u54ea\u79cd\u7248\u672c，\u90fd\u8fd8\u662f\u9700\u8981\u516c\u79c1\u94a5\u52a0\u5bc6\u7cfb\u7edf\u7684，\u90a3\u4e48\u8fd9\u4e9b\u516c\u94a5\u4e0e\u79c1\u94a5\u662f\u5982\u4f55\u4ea7\u751f\u7684\u5462？\u5e95\u4e0b\u6211\u4eec\u5c31\u6765\u8c08\u4e00\u8c08\u5566！<\/span><\/span> \u00a0<\/p>\n

                \n
              • \n
                \n

                SSH \u7684\u8054\u673a\u884c\u4e3a\u7b80\u4ecb<\/span><\/span><\/li>\n<\/ul>\n

                \u6211\u4eec\u53ef\u4ee5\u5c06 ssh \u670d\u52a1\u5668\u7aef\u4e0e\u5ba2\u6237\u7aef\u7684\u8054\u673a\u6b65\u9aa4\u793a\u610f\u4e3a\u4e0b\u56fe，\u81f3\u4e8e\u6b65\u9aa4\u8bf4\u660e\u5982\u540e：<\/span><\/span><\/p>\n

                <\/span><\/span> <\/p>\n

                \"ssh<\/p>\n

                \u56fe 11.2-2\u3001ssh \u670d\u52a1\u5668\u7aef\u4e0e\u5ba2\u6237\u7aef\u7684\u8054\u673a\u6b65\u9aa4\u793a\u610f\u56fe<\/span><\/span><\/p>\n

              • \u670d\u52a1\u5668\u5efa\u7acb\u516c\u94a5\u6863<\/span>： \u6bcf\u4e00\u6b21\u542f\u52a8 sshd \u670d\u52a1\u65f6，\u8be5\u670d\u52a1\u4f1a\u4e3b\u52a8\u53bb\u627e \/etc\/ssh\/ssh_host* \u7684\u6863\u6848，\u82e5\u7cfb\u7edf\u521a\u521a\u5b89\u88c5\u5b8c\u6210\u65f6，\u7531\u4e8e\u6ca1\u6709\u8fd9\u4e9b\u516c\u94a5\u6863\u6848，\u56e0\u6b64 sshd \u4f1a\u4e3b\u52a8\u53bb\u8ba1\u7b97\u51fa\u8fd9\u4e9b\u9700\u8981\u7684\u516c\u94a5\u6863\u6848，\u540c\u65f6\u4e5f\u4f1a\u8ba1\u7b97\u51fa\u670d\u52a1\u5668\u81ea\u5df1\u9700\u8981\u7684\u79c1\u94a5\u6863；<\/span><\/span> \u00a0<\/li>\n
              • \u5ba2\u6237\u7aef\u4e3b\u52a8\u8054\u673a\u8981\u6c42<\/span>： \u82e5\u5ba2\u6237\u7aef\u60f3\u8981\u8054\u673a\u5230 ssh \u670d\u52a1\u5668，\u5219\u9700\u8981\u4f7f\u7528\u9002\u5f53\u7684\u5ba2\u6237\u7aef\u7a0b\u5e8f\u6765\u8054\u673a，\u5305\u62ec ssh, pietty \u7b49\u5ba2\u6237\u7aef\u7a0b\u5e8f；<\/span><\/span> \u00a0<\/li>\n
              • \u670d\u52a1\u5668\u4f20\u9001\u516c\u94a5\u6863\u7ed9\u5ba2\u6237\u7aef<\/span>： \u63a5\u6536\u5230\u5ba2\u6237\u7aef\u7684\u8981\u6c42\u540e，\u670d\u52a1\u5668\u4fbf\u5c06\u7b2c\u4e00\u4e2a\u6b65\u9aa4\u53d6\u5f97\u7684\u516c\u94a5\u6863\u6848\u4f20\u9001\u7ed9\u5ba2\u6237\u7aef\u4f7f\u7528 (\u6b64\u65f6\u5e94\u662f\u660e\u7801\u4f20\u9001，\u53cd\u6b63\u516c\u94a5\u672c\u6765\u5c31\u662f\u7ed9\u5927\u5bb6\u4f7f\u7528\u7684！)；<\/span><\/span> \u00a0<\/li>\n
              • \u5ba2\u6237\u7aef\u8bb0\u5f55\/\u6bd4\u5bf9\u670d\u52a1\u5668\u7684\u516c\u94a5\u6570\u636e\u53ca\u968f\u673a\u8ba1\u7b97\u81ea\u5df1\u7684\u516c\u79c1\u94a5<\/span>： \u82e5\u5ba2\u6237\u7aef\u7b2c\u4e00\u6b21\u8fde\u63a5\u5230\u6b64\u670d\u52a1\u5668，\u5219\u4f1a\u5c06\u670d\u52a1\u5668\u7684\u516c\u94a5\u6570\u636e\u8bb0\u5f55\u5230\u5ba2\u6237\u7aef\u7684\u7528\u6237\u5bb6\u76ee\u5f55\u5185\u7684 ~\/.ssh\/known_hosts \u3002\u82e5\u662f\u5df2\u7ecf\u8bb0\u5f55\u8fc7\u8be5\u670d\u52a1\u5668\u7684\u516c\u94a5\u6570\u636e，\u5219\u5ba2\u6237\u7aef\u4f1a\u53bb\u6bd4\u5bf9\u6b64\u6b21\u63a5\u6536\u5230\u7684\u4e0e\u4e4b\u524d\u7684\u8bb0\u5f55\u662f\u5426\u6709\u5dee\u5f02\u3002\u82e5\u63a5\u53d7\u6b64\u516c\u94a5\u6570\u636e， \u5219\u5f00\u59cb\u8ba1\u7b97\u5ba2\u6237\u7aef\u81ea\u5df1\u7684\u516c\u79c1\u94a5\u6570\u636e；<\/span><\/span> \u00a0<\/li>\n
              • \u56de\u4f20\u5ba2\u6237\u7aef\u7684\u516c\u94a5\u6570\u636e\u5230\u670d\u52a1\u5668\u7aef<\/span>： \u7528\u6237\u5c06\u81ea\u5df1\u7684\u516c\u94a5\u4f20\u9001\u7ed9\u670d\u52a1\u5668\u3002\u6b64\u65f6\u670d\u52a1\u5668：\u300e\u5177\u6709\u670d\u52a1\u5668\u7684\u79c1\u94a5\u4e0e\u5ba2\u6237\u7aef\u7684\u516c\u94a5\u300f，\u800c\u5ba2\u6237\u7aef\u5219\u662f： \u300e\u5177\u6709\u670d\u52a1\u5668\u7684\u516c\u94a5\u4ee5\u53ca\u5ba2\u6237\u7aef\u81ea\u5df1\u7684\u79c1\u94a5\u300f，\u4f60\u4f1a\u770b\u5230，\u5728\u6b64\u6b21\u8054\u673a\u7684\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u7684\u5bc6\u94a5\u7cfb\u7edf (\u516c\u94a5+\u79c1\u94a5) \u5e76\u4e0d\u4e00\u6837，\u6240\u4ee5\u624d\u79f0\u4e3a\u975e\u5bf9\u79f0\u5f0f\u5bc6\u94a5\u7cfb\u7edf\u5594\u3002<\/span><\/span> \u00a0<\/li>\n
              • \u5f00\u59cb\u53cc\u5411\u52a0\u89e3\u5bc6<\/span>： (1)\u670d\u52a1\u5668\u5230\u5ba2\u6237\u7aef：\u670d\u52a1\u5668\u4f20\u9001\u6570\u636e\u65f6，\u62ff\u7528\u6237\u7684\u516c\u94a5\u52a0\u5bc6\u540e\u9001\u51fa\u3002\u5ba2\u6237\u7aef\u63a5\u6536\u540e，\u7528\u81ea\u5df1\u7684\u79c1\u94a5\u89e3\u5bc6； (2)\u5ba2\u6237\u7aef\u5230\u670d\u52a1\u5668：\u5ba2\u6237\u7aef\u4f20\u9001\u6570\u636e\u65f6，\u62ff\u670d\u52a1\u5668\u7684\u516c\u94a5\u52a0\u5bc6\u540e\u9001\u51fa\u3002\u670d\u52a1\u5668\u63a5\u6536\u540e，\u7528\u670d\u52a1\u5668\u7684\u79c1\u94a5\u89e3\u5bc6\u3002<\/span><\/span><\/li>\n

                \u5728\u4e0a\u8ff0\u7684\u7b2c 4 \u6b65\u9aa4\u4e2d，\u5ba2\u6237\u7aef\u7684\u5bc6\u94a5\u662f\u968f\u673a\u8fd0\u7b97\u4ea7\u751f\u4e8e\u672c\u6b21\u8054\u673a\u5f53\u4e2d\u7684，\u6240\u4ee5\u4f60\u8fd9\u6b21\u7684\u8054\u673a\u4e0e\u4e0b\u6b21\u7684\u8054\u673a\u7684\u5bc6\u94a5\u53ef\u80fd\u5c31\u4f1a\u4e0d\u4e00\u6837\u5566！ \u6b64\u5916\u5728\u5ba2\u6237\u7aef\u7684\u7528\u6237\u5bb6\u76ee\u5f55\u4e0b\u7684 ~\/.ssh\/known_hosts \u4f1a\u8bb0\u5f55\u66fe\u7ecf\u8054\u673a\u8fc7\u7684\u4e3b\u673a\u7684 public key ，\u7528\u4ee5\u786e\u8ba4\u6211\u4eec\u662f\u8fde\u63a5\u4e0a\u6b63\u786e\u7684\u90a3\u90e8\u670d\u52a1\u5668\u3002<\/span><\/span><\/p>\n

                <\/span><\/span> <\/p>\n\n\n\n
                \u4f8b\u9898：<\/span><\/span> <\/p>\n

                \u5982\u4f55\u4ea7\u751f\u65b0\u7684\u670d\u52a1\u5668\u7aef\u7684 ssh \u516c\u94a5\u4e0e\u670d\u52a1\u5668\u81ea\u5df1\u4f7f\u7528\u7684\u6210\u5bf9\u79c1\u94a5？ (\u6ce8：\u6ce8\u610f，\u672c\u4f8b\u9898\u4e0d\u8981\u5728\u5df2\u7ecf\u6b63\u5e38\u8fd0\u4f5c\u7684\u7f51\u7edc\u670d\u52a1\u5668\u4e0a\u9762，\u56e0\u4e3a\u53ef\u80fd\u4f1a\u9020\u6210\u5176\u4ed6\u5ba2\u6237\u7aef\u7684\u56f0\u6270！)<\/span><\/span>
                \n \u7b54：<\/span><\/span> <\/p>\n

                \u7531\u4e8e\u670d\u52a1\u5668\u63d0\u4f9b\u7684\u516c\u94a5\u4e0e\u81ea\u5df1\u7684\u79c1\u94a5\u90fd\u653e\u7f6e\u4e8e \/etc\/ssh\/ssh_host* ，\u56e0\u6b64\u4f60\u53ef\u4ee5\u8fd9\u6837\u505a：<\/span><\/span> <\/p>\n\n\n\n
                [root@www ~]# rm \/etc\/ssh\/ssh_host*<\/span> <==\u5220\u9664\u5bc6\u94a5\u6863<\/span>
                \n[root@www ~]# \/etc\/init.d\/sshd restart<\/span>
                \n\u6b63\u5728\u505c\u6b62 sshd: [ \u786e\u5b9a ]
                \n\u6b63\u5728\u4ea7\u751f SSH1 RSA \u4e3b\u673a\u5bc6\u94a5: [ \u786e\u5b9a ] <==\u5e95\u4e0b\u4e09\u4e2a\u6b65\u9aa4\u91cd\u65b0\u4ea7\u751f\u5bc6\u94a5！<\/span>
                \n\u6b63\u5728\u4ea7\u751f SSH2 RSA \u4e3b\u673a\u5bc6\u94a5: [ \u786e\u5b9a ]
                \n\u6b63\u5728\u4ea7\u751f SSH2 DSA \u4e3b\u673a\u5bc6\u94a5: [ \u786e\u5b9a ]
                \n\u6b63\u5728\u6fc0\u6d3b sshd: [ \u786e\u5b9a ]
                \n[root@www ~]# date; ll \/etc\/ssh\/ssh_host*<\/span>
                \nMon Jul 25 11:36:12<\/span> CST 2011
                \n-rw——-. 1 root root 668 Jul 25 11:35<\/span> \/etc\/ssh\/ssh_host_dsa_key
                \n-rw-r–r–. 1 root root 590 Jul 25 11:35 \/etc\/ssh\/ssh_host_dsa_key.pub
                \n-rw——-. 1 root root 963 Jul 25 11:35 \/etc\/ssh\/ssh_host_key
                \n-rw-r–r–. 1 root root 627 Jul 25 11:35 \/etc\/ssh\/ssh_host_key.pub
                \n-rw——-. 1 root root 1675 Jul 25 11:35 \/etc\/ssh\/ssh_host_rsa_key
                \n-rw-r–r–. 1 root root 382 Jul 25 11:35 \/etc\/ssh\/ssh_host_rsa_key.pub
                \n# \u770b\u4e00\u4e0b\u4e0a\u9762\u8f93\u51fa\u7684\u65e5\u671f\u4e0e\u6863\u6848\u7684\u5efa\u7acb\u65f6\u95f4，\u521a\u521a\u5efa\u7acb\u7684\u65b0\u516c\u94a5\u3001\u79c1\u94a5\u7cfb\u7edf！<\/span>
                \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                \n

                <\/span><\/span> <\/p>\n

                \"\u5c0f\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                11.2.2 \u542f\u52a8 SSH \u670d\u52a1<\/span><\/span><\/span> <\/p>\n

                \u4e8b\u5b9e\u4e0a，\u5728\u6211\u4eec\u4f7f\u7528\u7684 Linux \u7cfb\u7edf\u5f53\u4e2d，\u9ed8\u8ba4\u5c31\u5df2\u7ecf\u542b\u6709 SSH \u7684\u6240\u6709\u9700\u8981\u7684\u8f6f\u4ef6\u4e86！\u8fd9\u5305\u542b\u4e86\u53ef\u4ee5\u4ea7\u751f\u5bc6\u7801\u7b49\u534f\u8bae\u7684\u00a0OpenSSL\u00a0\u8f6f\u4ef6\u4e0e\u00a0OpenSSH\u00a0\u8f6f\u4ef6 (\u6ce81)，\u6240\u4ee5\u5462，\u8981\u542f\u52a8 SSH \u771f\u7684\u662f\u592a\u7b80\u5355\u4e86！\u5c31\u76f4\u63a5\u7ed9\u4ed6\u542f\u52a8\u5c31\u662f\u4e86！\u6b64\u5916，\u5728\u76ee\u524d\u7684 Linux Distributions \u5f53\u4e2d，\u90fd\u662f\u9884\u8bbe\u542f\u52a8 SSH \u7684<\/span>，\u6240\u4ee5\u4e00\u70b9\u90fd\u4e0d\u9ebb\u70e6，\u56e0\u4e3a\u4e0d\u7528\u53bb\u8bbe\u5b9a，\u4ed6\u5c31\u5df2\u7ecf\u542f\u52a8\u4e86！ \u54c7！\u771f\u662f\u723d\u5feb～\u65e0\u8bba\u5982\u4f55，\u6211\u4eec\u8fd8\u662f\u5f97\u8bf4\u4e00\u8bf4\u8fd9\u4e2a\u542f\u52a8\u7684\u65b9\u5f0f\u5427！\u76f4\u63a5\u542f\u52a8\u5c31\u662f\u4ee5 SSH daemon ，\u7b80\u79f0\u4e3a sshd \u6765\u542f\u52a8\u7684，\u6240\u4ee5，\u624b\u52a8\u53ef\u4ee5\u8fd9\u6837\u542f\u52a8：<\/span><\/span><\/p>\n\n\n\n
                [root@www ~]# \/etc\/init.d\/sshd restart<\/span>
                \n[root@www ~]# netstat -tlnp | grep ssh<\/span>
                \nActive Internet connections (only servers)
                \nProto Recv-Q Send-Q Local Address Foreign Address State PID\/Program name
                \ntcp 0 0 :::22<\/span> :::* LISTEN 1539\/sshd
                \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                \u9700\u8981\u6ce8\u610f\u7684\u662f，SSH \u4e0d\u4f46\u63d0\u4f9b\u4e86 shell \u7ed9\u6211\u4eec\u4f7f\u7528，\u4ea6\u5373\u662f ssh protocol \u7684\u4e3b\u8981\u76ee\u7684，\u540c\u65f6\u4ea6\u63d0\u4f9b\u4e86\u4e00\u4e2a\u8f83\u4e3a\u5b89\u5168\u7684 FTP server ，\u4ea6\u5373\u662f ssh-ftp server \u7ed9\u6211\u4eec\u5f53\u6210\u662f FTP \u6765\u4f7f\u7528！\u6240\u4ee5，\u8fd9\u4e2a sshd \u53ef\u4ee5\u540c\u65f6\u63d0\u4f9b shell \u4e0e ftp \u5594！\u800c\u4e14\u90fd\u662f\u67b6\u6784\u5728 port 22 \u4e0a\u9762\u7684\u5462<\/span>！\u6240\u4ee5，\u5e95\u4e0b\u6211\u4eec\u5c31\u6765\u63d0\u4e00\u63d0，\u90a3\u4e48\u600e\u4e48\u6837\u7531 Client \u7aef\u8fde\u63a5\u4e0a Server \u7aef\u5462？\u540c\u65f6，\u5982\u4f55\u4ee5 FTP \u7684\u670d\u52a1\u6765\u8fde\u63a5\u4e0a Server \u5e76\u4e14\u4f7f\u7528 FTP \u7684\u529f\u80fd\u5462？<\/span><\/span><\/p>\n

                \n

                <\/span><\/span> <\/p>\n

                \"\u5c0f\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                11.2.3 ssh \u5ba2\u6237\u7aef\u8054\u673a\u7a0b\u5e8f – Linux \u7528\u6237<\/span><\/span><\/span> <\/p>\n

                \u5982\u679c\u4f60\u7684\u5ba2\u6237\u7aef\u662f Linux \u7684\u8bdd，\u90a3\u4e48\u606d\u559c\u4f60\u4e86，\u9884\u8bbe\u7684\u60c5\u51b5\u4e0b，\u4f60\u7684\u7cfb\u7edf\u5df2\u7ecf\u6709\u5e95\u4e0b\u7684\u6240\u6709\u6307\u4ee4，\u53ef\u4ee5\u4e0d\u5fc5\u5b89\u88c5\u989d\u5916\u7684\u8f6f\u4ef6\u5594！ \u5e95\u4e0b\u5c31\u6765\u4ecb\u7ecd\u4e00\u4e0b\u8fd9\u4e9b\u6307\u4ee4\u5427！<\/span><\/span> \u00a0<\/p>\n

                  \n
                • <\/span><\/span>
                  \n
                  \n

                  ssh ：\u76f4\u63a5\u767b\u5165\u8fdc\u7a0b\u4e3b\u673a\u7684\u6307\u4ee4<\/span><\/span><\/li>\n<\/ul>\n

                  SSH \u5728 client \u7aef\u4f7f\u7528\u7684\u662f ssh \u8fd9\u4e2a\u6307\u4ee4，\u8fd9\u4e2a\u6307\u4ee4\u53ef\u4ee5\u6307\u5b9a\u8054\u673a\u7684\u7248\u672c (version1, version2)， \u8fd8\u53ef\u4ee5\u6307\u5b9a\u975e\u6b63\u89c4\u7684 ssh port (\u6b63\u89c4 ssh port \u4e3a 22)\u3002\u4e0d\u8fc7，\u4e00\u822c\u7684\u7528\u6cd5\u53ef\u4ee5\u4f7f\u7528\u5e95\u4e0b\u7684\u65b9\u5f0f：<\/span><\/span><\/p>\n\n\n\n
                  [root@www ~]# ssh [-f] [-o \u53c2\u6570\u9879\u76ee] [-p \u975e\u6b63\u89c4\u57e0\u53e3] [\u8d26\u53f7@]IP [\u6307\u4ee4]<\/span>
                  \n\u9009\u9879\u4e0e\u53c2\u6570：
                  \n-f ：\u9700\u8981\u914d\u5408\u540e\u9762\u7684 [\u6307\u4ee4] ，\u4e0d\u767b\u5165\u8fdc\u7a0b\u4e3b\u673a\u76f4\u63a5\u53d1\u9001\u4e00\u4e2a\u6307\u4ee4\u8fc7\u53bb\u800c\u5df2；
                  \n-o \u53c2\u6570\u9879\u76ee：\u4e3b\u8981\u7684\u53c2\u6570\u9879\u76ee\u6709：
                  \nConnectTimeout=\u79d2\u6570 ：\u8054\u673a\u7b49\u5f85\u7684\u79d2\u6570，\u51cf\u5c11\u7b49\u5f85\u7684\u65f6\u95f4
                  \nStrictHostKeyChecking=[yes|no|ask]：\u9884\u8bbe\u662f ask，\u82e5\u8981\u8ba9 public key
                  \n \u4e3b\u52a8\u52a0\u5165 known_hosts ，\u5219\u53ef\u4ee5\u8bbe\u5b9a\u4e3a no \u5373\u53ef\u3002
                  \n-p ：\u5982\u679c\u4f60\u7684 sshd \u670d\u52a1\u542f\u52a8\u5728\u975e\u6b63\u89c4\u7684\u57e0\u53e3 (22)，\u9700\u4f7f\u7528\u6b64\u9879\u76ee；
                  \n[\u6307\u4ee4] ：\u4e0d\u767b\u5165\u8fdc\u7a0b\u4e3b\u673a，\u76f4\u63a5\u53d1\u9001\u6307\u4ee4\u8fc7\u53bb\u3002\u4f46\u4e0e -f \u610f\u4e49\u4e0d\u592a\u76f8\u540c\u3002<\/span><\/p>\n

                  # 1. \u76f4\u63a5\u8054\u673a\u767b\u5165\u5230\u5bf9\u65b9\u4e3b\u673a\u7684\u65b9\u6cd5 (\u4ee5\u767b\u5165\u672c\u673a\u4e3a\u4f8b)：<\/span>
                  \n[root@www ~]# ssh 127.0.0.1<\/span>
                  \nThe authenticity of host '127.0.0.1 (127.0.0.1)' can't be established.
                  \nRSA key fingerprint is eb:12:07:84:b9:3b:3f:e4:ad:ba:f1:85:41:fc:18:3b.
                  \nAre you sure you want to continue connecting (yes\/no)? yes<\/span>
                  \nWarning: Permanently added '127.0.0.1' (RSA) to the list of known hosts.
                  \nroot<\/span>@127.0.0.1's password: <==\u5728\u8fd9\u91cc\u8f93\u5165 root \u7684\u5bc6\u7801\u5373\u53ef！<\/span>
                  \nLast login: Mon Jul 25 11:36:06 2011 from 192.168.1.101
                  \n[root@www ~]# exit<\/span> <==\u79bb\u5f00\u8fd9\u6b21\u7684 ssh \u8054\u673a<\/span>
                  \n# \u7531\u4e8e ssh \u540e\u9762\u6ca1\u6709\u52a0\u4e0a\u8d26\u53f7，\u56e0\u6b64\u9884\u8bbe\u4f7f\u7528\u5f53\u524d\u7684\u8d26\u53f7\u6765\u767b\u5165\u8fdc\u7a0b\u670d\u52a1\u5668<\/span>
                  \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                  \u4e00\u822c\u4f7f\u7528 ssh \u767b\u5165\u8fdc\u7a0b\u4e3b\u673a，\u90fd\u4f1a\u586b\u5199\u300e\u00a0ssh \u8d26\u53f7@\u4e3b\u673aIP<\/span>\u00a0\u300f\u7684\u683c\u5f0f， \u610f\u601d\u662f\u8bf4，\u4f7f\u7528\u8be5\u4e3b\u673a\u7684\u67d0\u8d26\u53f7\u767b\u5165\u7684\u610f\u601d\u3002\u4f46\u662f\u5f88\u591a\u670b\u53cb\u90fd\u4e0d\u559c\u6b22\u5199\u8d26\u53f7，\u4ea6\u5373\u4f7f\u7528\u300e ssh \u4e3b\u673aIP \u300f\u7684\u683c\u5f0f\u3002 \u5982\u540c\u4e0a\u9762\u7684\u8303\u4f8b\u60c5\u51b5\u3002\u8981\u6ce8\u610f\u5594，\u5982\u679c\u4e0d\u5199\u8d26\u53f7\u7684\u8bdd，\u90a3\u4e48\u4f1a\u4ee5\u672c\u5730\u7aef\u8ba1\u7b97\u673a\u7684\u8d26\u53f7\u6765\u5c1d\u8bd5\u767b\u5165\u8fdc\u7a0b\u3002<\/span>\u00a0\u4e5f\u5c31\u662f\u8bf4，\u5982\u679c\u8fd1\u7aef\u4e0e\u8fdc\u7a0b\u5177\u6709\u76f8\u540c\u7684\u8d26\u53f7，\u90a3\u4e48\u4e0d\u5199\u8d26\u53f7\u4e5f\u6ca1\u6709\u5173\u7cfb，\u5982\u4e0a\u8868\u4e2d\u7684\u8303\u4f8b\u3002\u4f46\u662f，\u4e3a\u4e86\u4ee5\u540e\u4e60\u60ef\u7740\u60f3， \u8fd8\u662f\u4e00\u5f00\u59cb\u5c31\u4f7f\u7528\u7c7b\u4f3c email \u7684\u65b9\u5f0f\u6765\u767b\u5165\u8fdc\u7a0b\u4e3b\u673a，\u8fd9\u6837\u7684\u884c\u4e3a\u4e60\u60ef\u6bd4\u8f83\u597d\u5566！<\/span><\/span><\/p>\n

                  \u4e0a\u9762\u51fa\u73b0\u7684\u8baf\u606f\u4e2d，\u5f00\u5934 RSA \u7684\u90a3\u884c\u540e\u9762\u63a5\u7684\u5c31\u662f\u8fdc\u7a0b\u670d\u52a1\u5668\u7684\u516c\u94a5\u6307\u7eb9\u7801，\u5982\u679c\u786e\u5b9a\u8be5\u6307\u7eb9\u7801\u6ca1\u6709\u95ee\u9898，\u90a3\u4e48\u4f60\u5c31\u5f97\u8981\u8f93\u5165 yes \u6765\u5c06\u8be5\u6307\u7eb9\u7801\u5199\u5165\u670d\u52a1\u5668\u516c\u94a5\u8bb0\u5f55\u6587\u4ef6 (~\/.ssh\/known_hosts)，\u4ee5\u65b9\u4fbf\u672a\u6765\u6bd4\u5bf9\u8be5\u670d\u52a1\u5668\u7684\u6b63\u786e\u6027\u4e4b\u7528\u3002\u00a0\u6ce8\u610f\u662f\u8981\u5199 yes \u5594，\u5355\u7eaf\u8f93\u5165 Y \u6216 y \u662f\u4e0d\u4f1a\u88ab\u63a5\u53d7\u7684～<\/span>\u6b64\u5916， \u7531\u4e8e\u8be5\u4e3b\u673a\u7684\u516c\u94a5\u5df2\u7ecf\u88ab\u8bb0\u5f55，\u56e0\u6b64\u672a\u6765\u91cd\u590d\u4f7f\u7528 ssh \u767b\u5165\u6b64\u4e3b\u673a\u65f6，\u5c31\u4e0d\u4f1a\u51fa\u73b0\u8fd9\u4e2a\u6307\u7eb9\u7801\u63d0\u793a\u4e86\u3002<\/span><\/span><\/p>\n\n\n\n
                  # 2. \u4f7f\u7528 student \u8d26\u53f7\u767b\u5165\u672c\u673a<\/span>
                  \n[root@www ~]# ssh student@127.0.0.1<\/span>
                  \nstudent<\/span>@127.0.0.1's password:
                  \n[student<\/span>@www ~]$ exit<\/span>
                  \n# \u7531\u4e8e\u52a0\u5165\u8d26\u53f7，\u56e0\u6b64\u5207\u6362\u8eab\u4efd\u6210\u4e3a student \u4e86！\u53e6\u5916，\u56e0\u4e3a 127.0.0.1 \u66fe\u767b\u5165\u8fc7，
                  \n# \u6240\u4ee5\u5c31\u4e0d\u4f1a\u518d\u51fa\u73b0\u63d0\u793a\u4f60\u8981\u589e\u52a0\u4e3b\u673a\u516c\u94a5\u7684\u8baf\u606f\u5570！<\/span><\/p>\n

                  # 3. \u767b\u5165\u5bf9\u65b9\u4e3b\u673a\u6267\u884c\u8fc7\u6307\u4ee4\u540e\u7acb\u523b\u79bb\u5f00\u7684\u65b9\u5f0f：<\/span>
                  \n[root@www ~]# ssh student@127.0.0.1 find \/ &> ~\/find1.log<\/span>
                  \nstudent@localhost's password:
                  \n# \u6b64\u65f6\u4f60\u4f1a\u53d1\u73b0\u600e\u4e48\u753b\u9762\u5361\u4f4f\u4e86？\u8fd9\u662f\u56e0\u4e3a\u4e0a\u5934\u7684\u6307\u4ee4\u4f1a\u9020\u6210，\u4f60\u5df2\u7ecf\u767b\u5165\u8fdc\u7a0b\u4e3b\u673a，
                  \n# \u4f46\u662f\u6267\u884c\u7684\u6307\u4ee4\u5c1a\u672a\u8dd1\u5b8c，\u56e0\u6b64\u4f60\u4f1a\u5728\u7b49\u5f85\u5f53\u4e2d\u3002\u90a3\u5982\u4f55\u6307\u5b9a\u7cfb\u7edf\u81ea\u5df1\u8dd1？<\/span><\/p>\n

                  # 4. \u4e0e\u4e0a\u9898\u76f8\u540c，\u4f46\u662f\u8ba9\u5bf9\u65b9\u4e3b\u673a\u81ea\u5df1\u8dd1\u8be5\u6307\u4ee4，\u4f60\u7acb\u523b\u56de\u5230\u8fd1\u7aef\u4e3b\u673a\u7ee7\u7eed\u5de5\u4f5c：<\/span>
                  \n[root@www ~]# ssh -f student@127.0.0.1 find \/ &> ~\/find1.log<\/span>
                  \n# \u6b64\u65f6\u4f60\u4f1a\u7acb\u523b\u6ce8\u9500 127.0.0.1 ，\u4f46 find \u6307\u4ee4\u4f1a\u81ea\u5df1\u5728\u8fdc\u7a0b\u670d\u52a1\u5668\u8dd1\u5594！<\/span>
                  \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                  \u4e0a\u8ff0\u7684\u8303\u4f8b\u5f53\u4e2d，\u7b2c 4 \u4e2a\u8303\u4f8b\u6700\u6709\u7528！\u5982\u679c\u4f60\u60f3\u8981\u8ba9\u8fdc\u7a0b\u4e3b\u673a\u8fdb\u884c\u5173\u673a\u7684\u6307\u4ee4，\u5982\u679c\u4e0d\u52a0\u4e0a -f \u7684\u53c2\u6570， \u90a3\u4f60\u4f1a\u7b49\u5f85\u5bf9\u65b9\u4e3b\u673a\u5173\u673a\u5b8c\u6bd5\u518d\u5c06\u4f60\u8e22\u51fa\u8054\u673a，\u8fd9\u6bd4\u8f83\u4e0d\u5408\u7406\u3002\u56e0\u6b64，\u52a0\u4e0a -f \u5c31\u5f88\u91cd\u8981～\u56e0\u4e3a\u4f60\u4f1a\u6307\u5b9a\u8fdc\u7a0b\u4e3b\u673a\u81ea\u5df1\u8dd1\u5173\u673a， \u800c\u4e0d\u9700\u8981\u5728\u7a7a\u7a7a\u7b49\u5f85\u3002\u4f8b\u5982：\u300essh -f root@some_IP shutdown -h now \u300f\u4e4b\u7c7b\u7684\u6307\u4ee4\u5570\u3002<\/span><\/span><\/p>\n\n\n\n
                  # 5. \u5220\u9664\u6389 known_hosts \u540e，\u91cd\u65b0\u4f7f\u7528 root \u8054\u673a\u5230\u672c\u673a，\u4e14\u81ea\u52a8\u52a0\u4e0a\u516c\u94a5\u8bb0\u5f55<\/span>
                  \n[root@www ~]# rm ~\/.ssh\/known_hosts<\/span>
                  \n[root@www ~]# ssh -o StrictHostKeyChecking=no root@localhost<\/span>
                  \nWarning: Permanently added 'localhost' (RSA) to the list of known hosts.
                  \nroot@localhost's password:
                  \n# \u5982\u4e0a\u6240\u793a，\u4e0d\u4f1a\u95ee\u4f60 yes \u6216 no \u5566！\u76f4\u63a5\u4f1a\u5199\u5165 ~\/.ssh\/known_hosts \u5f53\u4e2d！<\/span>
                  \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                  \u9e1f\u54e5\u4e0a\u8bfe\u5e38\u5e38\u4f7f\u7528 ssh \u8054\u673a\u5230\u540c\u5b66\u7684\u8ba1\u7b97\u673a\u53bb\u770b\u4ed6\u6709\u6ca1\u6709\u51fa\u9519，\u6709\u65f6\u5019\u4f1a\u5199 script \u6765\u8fdb\u884c\u7b54\u6848\u4fa6\u6d4b\u3002 \u6b64\u65f6\u5982\u679c\u6bcf\u53f0\u8ba1\u7b97\u673a\u90fd\u5728\u4e3b\u52a8\u52a0\u4e0a\u516c\u94a5\u6587\u4ef6\u8bb0\u5f55，\u90fd\u5f97\u8981\u8f93\u5165\u300e yes \u300f，\u4f1a\u7d2f\u6b7b！\u90a3\u4e48\u52a0\u4e0a\u8fd9\u4e2a StrictHostKeyChecking=no \u5c31\u5f88\u6709\u5e2e\u52a9\u5566！\u4ed6\u4f1a\u4e0d\u8be2\u95ee\u81ea\u52a8\u52a0\u5165\u4e3b\u673a\u7684\u516c\u94a5\u5230\u6863\u6848\u4e2d，\u5bf9\u4e8e\u4e00\u822c\u4f7f\u7528\u8005\u5e2e\u52a9\u4e0d\u5927，\u5bf9\u4e8e\u7a0b\u5e8f\u811a\u672c\u6765\u8bf4， \u8fd9\u73a9\u610f\u513f\u53ef\u5c31\u5f88\u4e0d\u9519\u7528\u4e86！<\/span><\/span> \u00a0<\/p>\n

                  <\/span><\/span> <\/p>\n

                    \n
                  • \n
                    \n

                    \u670d\u52a1\u5668\u516c\u94a5\u8bb0\u5f55\u6587\u4ef6： ~\/.ssh\/known_hosts<\/span><\/span><\/li>\n<\/ul>\n

                    \u5f53\u4f60\u767b\u5165\u8fdc\u7a0b\u670d\u52a1\u5668\u65f6，\u672c\u673a\u4f1a\u4e3b\u52a8\u7684\u7528\u63a5\u6536\u5230\u7684\u670d\u52a1\u5668\u7684 public key \u53bb\u6bd4\u5bf9 ~\/.ssh\/known_hosts \u6709\u65e0\u76f8\u5173\u7684\u516c\u94a5， \u7136\u540e\u8fdb\u884c\u5e95\u4e0b\u7684\u52a8\u4f5c：<\/span><\/span><\/p>\n

                      \n
                    • \u82e5\u63a5\u6536\u7684\u516c\u94a5\u5c1a\u672a\u8bb0\u5f55，\u5219\u8be2\u95ee\u7528\u6237\u662f\u5426\u8bb0\u5f55\u3002\u82e5\u8981\u8bb0\u5f55 (\u8303\u4f8b\u4e2d\u56de\u7b54 yes \u7684\u90a3\u4e2a\u6b65\u9aa4) \u5219\u5199\u5165 ~\/.ssh\/known_hosts \u4e14\u7ee7\u7eed\u767b\u5165\u7684\u540e\u7eed\u5de5\u4f5c；\u82e5\u4e0d\u8bb0\u5f55 (\u56de\u7b54 no) \u5219\u4e0d\u5199\u5165\u8be5\u6863\u6848，\u5e76\u4e14\u79bb\u5f00\u767b\u5165\u5de5\u4f5c；<\/span><\/span> \u00a0<\/li>\n
                    • \u82e5\u63a5\u6536\u5230\u7684\u516c\u94a5\u5df2\u6709\u8bb0\u5f55，\u5219\u6bd4\u5bf9\u8bb0\u5f55\u662f\u5426\u76f8\u540c，\u82e5\u76f8\u540c\u5219\u7ee7\u7eed\u767b\u5165\u52a8\u4f5c；\u82e5\u4e0d\u76f8\u540c，\u5219\u51fa\u73b0\u8b66\u544a\u4fe1\u606f， \u4e14\u79bb\u5f00\u767b\u5165\u7684\u52a8\u4f5c\u3002\u8fd9\u662f\u5ba2\u6237\u7aef\u7684\u81ea\u6211\u4fdd\u62a4\u529f\u80fd，\u907f\u514d\u4f60\u7684\u670d\u52a1\u5668\u662f\u88ab\u522b\u4eba\u4f2a\u88c5\u7684\u3002<\/span><\/span><\/li>\n<\/ul>\n

                      \u867d\u7136\u8bf4\u670d\u52a1\u5668\u7684 ssh \u901a\u5e38\u53ef\u80fd\u4f1a\u6539\u53d8，\u95ee\u9898\u662f，\u5982\u679c\u662f\u6d4b\u8bd5\u7528\u7684\u4e3b\u673a，\u56e0\u6b64\u5e38\u5e38\u5728\u91cd\u65b0\u5b89\u88c5，\u90a3\u4e48\u670d\u52a1\u5668\u7684\u516c\u94a5\u80af\u5b9a\u7ecf\u5e38\u4e0d\u540c， \u679c\u771f\u5982\u6b64\u7684\u8bdd，\u4f60\u5c31\u65e0\u6cd5\u7ee7\u7eed\u767b\u5165\u4e86！\u90a3\u600e\u529e？\u8ba9\u6211\u4eec\u6765\u6a21\u62df\u4e00\u4e0b\u8fd9\u4e2a\u884c\u4e3a\u5427！\u8ba9\u4f60\u6bd4\u8f83\u6709\u5370\u8c61\u5566！<\/span><\/span><\/p>\n\n\n\n
                      \u4f8b\u9898：<\/span><\/span> <\/p>\n

                      \u4eff\u771f\u4f3a\u670d\u5668\u91cd\u65b0\u5b89\u88c5\u540e，\u5047\u8bbe\u670d\u52a1\u5668\u4f7f\u7528\u76f8\u540c\u7684 IP ，\u9020\u6210\u76f8\u540c IP \u7684\u670d\u52a1\u5668\u516c\u94a5\u4e0d\u540c，\u4ea7\u751f\u7684\u95ee\u9898\u4e0e\u89e3\u51b3\u4e4b\u9053\u4e3a\u4f55？<\/span><\/span>
                      \n \u7b54：<\/span><\/span> <\/p>\n

                      \u5229\u7528\u524d\u4e00\u5c0f\u8282\u8bb2\u8fc7\u7684\u65b9\u5f0f，\u5220\u9664\u539f\u6709\u7684\u7cfb\u7edf\u516c\u94a5，\u91cd\u65b0\u542f\u52a8 ssh \u8ba9\u4f60\u7684\u516c\u94a5\u66f4\u65b0：<\/span><\/span>
                      \n <span style="color:#000000"><span style="background-color:#ffffff"><span style="color:#000088">rm \/etc\/ssh\/ssh_host*
                      \n\/etc\/init.d\/sshd restart<\/span><\/span><\/span>
                      \n \u7136\u540e\u91cd\u65b0\u4f7f\u7528\u5e95\u4e0b\u7684\u65b9\u5f0f\u6765\u8fdb\u884c\u8054\u673a\u7684\u52a8\u4f5c：<\/span><\/span> <\/p>\n\n\n\n
                      [root@www ~]# ssh root@localhost<\/span>
                      \n@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
                      \n@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @ <==\u5c31\u544a\u8bc9\u4f60\u53ef\u80fd\u6709\u95ee\u9898<\/span>
                      \n@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
                      \nIT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
                      \nSomeone could be eavesdropping on you right now (man-in-the-middle attack)!
                      \nIt is also possible that the RSA host key has just been changed.
                      \nThe fingerprint for the RSA key sent by the remote host is
                      \na7:2e:58:51:9f:1b:02:64:56:ea:cb:9c:92:5e:79:f9.
                      \nPlease contact your system administrator.
                      \nAdd correct host key in \/root\/.ssh\/known_hosts to get rid of this message.
                      \nOffending key in \/root\/.ssh\/known_hosts:1<\/span> <==\u5192\u53f7\u540e\u9762\u63a5\u7684\u6570\u5b57\u5c31\u662f\u6709\u95ee\u9898\u6570\u636e\u884c\u53f7<\/span>
                      \nRSA host key for localhost has changed and you have requested strict checking.
                      \nHost key verification failed.
                      \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                      \u4e0a\u8ff0\u7684\u8868\u683c\u51fa\u73b0\u7684\u9519\u8bef\u8baf\u606f\u4e2d，\u7279\u6b8a\u5b57\u4f53\u7684\u5730\u65b9\u5728\u544a\u8bc9\u4f60：\/root\/.ssh\/known_hosts \u7684\u7b2c 1 \u884c，\u91cc\u9762\u7684\u516c\u94a5\u4e0e\u8fd9\u6b21\u63a5\u6536\u5230\u7684\u7ed3\u679c\u4e0d\u540c， \u5f88\u53ef\u80fd\u88ab\u653b\u51fb\u4e86！\u90a3\u600e\u529e？\u6ca1\u5173\u7cfb\u5566！\u8bf7\u4f60\u4f7f\u7528 vim \u5230 \/root\/.ssh\/known_hosts ，\u5e76\u5c06\u7b2c 1 \u884c(\u5192\u53f7 : \u540e\u9762\u63a5\u7684\u6570\u5b57\u5c31\u662f\u4e86) \u5220\u9664，\u4e4b\u540e\u518d\u91cd\u65b0 ssh \u8fc7，\u90a3\u7cfb\u7edf\u53c8\u4f1a\u91cd\u65b0\u95ee\u4f60\u8981\u4e0d\u8981\u52a0\u4e0a\u516c\u94a5\u5570！\u5c31\u8fd9\u4e48\u7b80\u5355！ ^_^<\/span><\/span>\n <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                      <\/span><\/span> <\/p>\n

                        \n
                      • \n
                        \n

                        \u6a21\u62df FTP \u7684\u6587\u4ef6\u4f20\u8f93\u65b9\u5f0f： sftp<\/span><\/span><\/li>\n<\/ul>\n

                        ssh \u662f\u767b\u5165\u8fdc\u7a0b\u670d\u52a1\u5668\u8fdb\u884c\u5de5\u4f5c，\u90a3\u5982\u679c\u4f60\u53ea\u662f\u60f3\u8981\u4ece\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0b\u8f7d\u6216\u4e0a\u4f20\u6863\u6848\u5462？ \u90a3\u5c31\u4e0d\u662f\u4f7f\u7528 ssh \u5566，\u800c\u5fc5\u987b\u8981\u4f7f\u7528 sftp \u6216 scp<\/span>\u3002\u8fd9\u4e24\u4e2a\u6307\u4ee4\u4e5f\u90fd\u662f\u4f7f\u7528 ssh \u7684\u901a\u9053 (port 22)，\u53ea\u662f\u6a21\u62df\u6210 FTP \u4e0e\u590d\u5236\u7684\u52a8\u4f5c\u800c\u5df2\u3002\u6211\u4eec\u5148\u8c08\u8c08 sftp ，\u8fd9\u4e2a\u6307\u4ee4\u7684\u7528\u6cd5\u4e0e ssh \u5f88\u76f8\u4f3c，\u53ea\u662f ssh \u662f\u7528\u5728\u767b\u5165\u800c sftp \u5728\u4e0a\u4f20\/\u4e0b\u8f7d\u6587\u4ef6\u800c\u5df2\u3002<\/span><\/span><\/p>\n\n\n\n
                        [root@www ~]# sftp student@localhost<\/span>
                        \nConnecting to localhost…
                        \nstudent@localhost's password: <== \u8fd9\u91cc\u8bf7\u8f93\u5165\u5bc6\u7801\u554a！<\/span>
                        \nsftp> exit<\/span> <== \u8fd9\u91cc\u5c31\u662f\u5728\u7b49\u5f85\u4f60\u8f93\u5165 ftp \u76f8\u5173\u6307\u4ee4\u7684\u5730\u65b9\u4e86！<\/span>
                        \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                        \u8fdb\u5165\u5230 sftp \u4e4b\u540e，\u90a3\u5c31\u8ddf\u5728\u4e00\u822c FTP \u6a21\u5f0f\u4e0b\u7684\u64cd\u4f5c\u65b9\u6cd5\u6ca1\u6709\u4e24\u6837\u4e86！\u5e95\u4e0b\u6211\u4eec\u5c31\u6765\u8c08\u4e00\u8c08， sftp \u8fd9\u4e2a\u63a5\u53e3\u4e0b\u7684\u4f7f\u7528\u6307\u4ee4\u5427！<\/span><\/span><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
                        \u9488\u5bf9\u8fdc\u65b9\u670d\u52a1\u5668\u4e3b\u673a (Server) \u4e4b\u884c\u4e3a<\/span><\/span><\/span><\/td>\n<\/tr>\n
                        \u53d8\u6362\u76ee\u5f55\u5230 \/etc\/test \u6216\u5176\u4ed6\u76ee\u5f55<\/span><\/span><\/td>\ncd \/etc\/test cd PATH<\/span><\/span><\/td>\n<\/tr>\n
                        \u5217\u51fa\u76ee\u524d\u6240\u5728\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u540d<\/span><\/span><\/td>\nls dir<\/span><\/span><\/td>\n<\/tr>\n
                        \u5efa\u7acb\u76ee\u5f55<\/span><\/span><\/td>\nmkdir directory<\/span><\/span><\/td>\n<\/tr>\n
                        \u5220\u9664\u76ee\u5f55<\/span><\/span><\/td>\nrmdir directory<\/span><\/span><\/td>\n<\/tr>\n
                        \u663e\u793a\u76ee\u524d\u6240\u5728\u7684\u76ee\u5f55<\/span><\/span><\/td>\npwd<\/span><\/span><\/td>\n<\/tr>\n
                        \u66f4\u6539\u6863\u6848\u6216\u76ee\u5f55\u7fa4\u7ec4<\/span><\/span><\/td>\nchgrp groupname PATH<\/span><\/span><\/td>\n<\/tr>\n
                        \u66f4\u6539\u6863\u6848\u6216\u76ee\u5f55\u62e5\u6709\u8005<\/span><\/span><\/td>\nchown username PATH<\/span><\/span><\/td>\n<\/tr>\n
                        \u66f4\u6539\u6863\u6848\u6216\u76ee\u5f55\u7684\u6743\u9650<\/span><\/span><\/td>\nchmod 644 PATH \u5176\u4e2d，644 \u4e0e\u6743\u9650\u6709\u5173！\u56de\u53bb\u770b\u57fa\u7840\u7bc7！<\/span><\/span><\/td>\n<\/tr>\n
                        \u5efa\u7acb\u8fde\u7ed3\u6863<\/span><\/span><\/td>\nln oldname newname<\/span><\/span><\/td>\n<\/tr>\n
                        \u5220\u9664\u6863\u6848\u6216\u76ee\u5f55<\/span><\/span><\/td>\nrm PATH<\/span><\/span><\/td>\n<\/tr>\n
                        \u66f4\u6539\u6863\u6848\u6216\u76ee\u5f55\u540d\u79f0<\/span><\/span><\/td>\nrename oldname newname<\/span><\/span><\/td>\n<\/tr>\n
                        \u79bb\u5f00\u8fdc\u7a0b\u4e3b\u673a<\/span><\/span><\/td>\nexit (or) bye (or) quit<\/span><\/span><\/td>\n<\/tr>\n
                        \u9488\u5bf9\u672c\u673a (Client) \u4e4b\u884c\u4e3a(\u90fd\u52a0\u4e0a l, L \u7684\u5c0f\u5199 )<\/span><\/span><\/span><\/td>\n<\/tr>\n
                        \u53d8\u6362\u76ee\u5f55\u5230\u672c\u673a\u7684 PATH \u5f53\u4e2d<\/span><\/span><\/td>\nlcd PATH<\/span><\/span><\/td>\n<\/tr>\n
                        \u5217\u51fa\u76ee\u524d\u672c\u673a\u6240\u5728\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u540d<\/span><\/span><\/td>\nlls<\/span><\/span><\/td>\n<\/tr>\n
                        \u5728\u672c\u673a\u5efa\u7acb\u76ee\u5f55<\/span><\/span><\/td>\nlmkdir<\/span><\/span><\/td>\n<\/tr>\n
                        \u663e\u793a\u76ee\u524d\u6240\u5728\u7684\u672c\u673a\u76ee\u5f55<\/span><\/span><\/td>\nlpwd<\/span><\/span><\/td>\n<\/tr>\n
                        \u9488\u5bf9\u8d44\u6599\u4e0a\u4f20\/\u4e0b\u8f7d\u7684\u884c\u4e3a<\/span><\/span><\/span><\/td>\n<\/tr>\n
                        \u5c06\u6863\u6848\u7531\u672c\u673a\u4e0a\u4f20\u5230\u8fdc\u7a0b\u4e3b\u673a<\/span><\/span><\/td>\nput [\u672c\u673a\u76ee\u5f55\u6216\u6863\u6848] [\u8fdc\u7a0b] put [\u672c\u673a\u76ee\u5f55\u6216\u6863\u6848] \u5982\u679c\u662f\u8fd9\u79cd\u683c\u5f0f，\u5219\u6863\u6848\u4f1a\u653e\u7f6e\u5230\u76ee\u524d\u8fdc\u7a0b\u4e3b\u673a\u7684\u76ee\u5f55\u4e0b！<\/span><\/span><\/td>\n<\/tr>\n
                        \u5c06\u6863\u6848\u7531\u8fdc\u7a0b\u4e3b\u673a\u4e0b\u8f7d\u56de\u6765<\/span><\/span><\/td>\nget [\u8fdc\u7a0b\u4e3b\u673a\u76ee\u5f55\u6216\u6863\u6848] [\u672c\u673a] get [\u8fdc\u7a0b\u4e3b\u673a\u76ee\u5f55\u6216\u6863\u6848] \u82e5\u662f\u8fd9\u79cd\u683c\u5f0f，\u5219\u6863\u6848\u4f1a\u653e\u7f6e\u5728\u76ee\u524d\u672c\u673a\u6240\u5728\u7684\u76ee\u5f55\u5f53\u4e2d！\u53ef\u4ee5\u4f7f\u7528\u901a\u914d\u7b26，\u4f8b\u5982： get * get *.rpm \u4ea6\u662f\u53ef\u4ee5\u7684\u683c\u5f0f！<\/span><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                        \u5c31\u6574\u4f53\u800c\u8a00， sftp \u5728 Linux \u5e95\u4e0b，\u5982\u679c\u4e0d\u8003\u8651\u56fe\u5f62\u63a5\u53e3，\u90a3\u4e48\u4ed6\u5df2\u7ecf\u53ef\u4ee5\u53d6\u4ee3 FTP \u4e86\u5462！\u56e0\u4e3a\u6240\u6709\u7684\u529f\u80fd\u90fd\u5df2\u7ecf\u6db5\u76d6\u5566！\u56e0\u6b64，\u5728\u4e0d\u8003\u8651\u5230\u56fe\u5f62\u63a5\u53e3\u7684 FTP \u8f6f\u4ef6\u65f6，\u53ef\u4ee5\u76f4\u63a5\u5173\u6389 FTP \u7684\u670d\u52a1，\u800c\u6539\u4ee5 sftp-server \u6765\u63d0\u4f9b FTP \u7684\u670d\u52a1\u5427！ ^_^<\/span><\/span><\/p>\n\n\n\n
                        \u4f8b\u9898：<\/span><\/span> <\/p>\n

                        \u5047\u8bbe localhost \u4e3a\u8fdc\u7a0b\u670d\u52a1\u5668，\u4e14\u670d\u52a1\u5668\u4e0a\u6709 student \u8fd9\u4e2a\u4f7f\u7528\u8005\u3002\u4f60\u60f3\u8981 (1)\u5c06\u672c\u673a\u7684 \/etc\/hosts \u4e0a\u4f20\u5230 student \u5bb6\u76ee\u5f55，\u5e76 (2)\u5c06 student \u7684 .bashrc \u590d\u5236\u5230\u672c\u673a\u7684 \/tmp \u5e95\u4e0b，\u8be5\u5982\u4f55\u900f\u8fc7 sftp \u8fbe\u6210？<\/span><\/span>
                        \n \u7b54：<\/span><\/span> <\/p>\n\n\n\n
                        [root@www ~]# sftp student@localhost<\/span>
                        \nsftp> lls \/etc\/hosts<\/span> <==\u5148\u770b\u770b\u672c\u673a\u6709\u6ca1\u6709\u8fd9\u4e2a\u6863\u6848<\/span>
                        \n\/etc\/hosts
                        \nsftp> put \/etc\/hosts<\/span> <==\u6709\u7684\u8bdd，\u90a3\u5c31\u4e0a\u4f20\u5427！<\/span>
                        \nUploading \/etc\/hosts to \/home\/student\/hosts
                        \n\/etc\/hosts 100% 243 0.2KB\/s 00:00
                        \nsftp> ls <\/span> <==\u6709\u6ca1\u6709\u4e0a\u4f20\u6210\u529f？\u770b\u8fdc\u7a0b\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u540d<\/span>
                        \nhosts
                        \nsftp> ls -a <\/span> <==\u90a3\u6709\u6ca1\u6709\u9690\u85cf\u6863\u5462？<\/span>
                        \n. .. .bash_history .bash_logout
                        \n.bash_profile .bashrc<\/span> .mozilla hosts
                        \nsftt> lcd \/tmp <\/span> <==\u5207\u6362\u672c\u673a\u76ee\u5f55\u5230 \/tmp <\/span>
                        \nsftp> lpwd <\/span> <==\u53ea\u662f\u8fdb\u884c\u786e\u8ba4\u800c\u5df2！<\/span>
                        \nLocal working directory: \/tmp
                        \nsftp> get .bashrc <\/span> <==\u6ca1\u95ee\u9898\u5c31\u4e0b\u8f7d\u5427！<\/span>
                        \nFetching \/home\/student\/.bashrc to .bashrc
                        \n\/home\/student\/.bashrc 100% 124 0.1KB\/s 00:00
                        \nsftp> lls -a <\/span> <==\u770b\u672c\u5730\u7aef\u6863\u6848\u6863\u540d<\/span>
                        \n. .font-unix keyring-rNd7qX .X11-unix
                        \n.. .gdm_socket lost+found scim-panel-socket:0-root
                        \n.bashrc<\/span> .ICE-unix mapping-root .X0-lock
                        \nsftp> exit <\/span> <==\u79bb\u5f00\u5427！<\/span>
                        \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                        \u00a0 <\/p>\n

                        \u5982\u679c\u4f60\u4e0d\u559c\u6b22\u4f7f\u7528\u6587\u5b57\u63a5\u53e3\u8fdb\u884c FTP \u7684\u4f20\u8f93，\u90a3\u4e48\u8fd8\u53ef\u4ee5\u900f\u8fc7\u56fe\u5f62\u63a5\u53e3\u6765\u8fde\u63a5\u5230 sftp-server \u54e9！ \u4f60\u53ef\u4ee5\u5229\u7528\u4e8c\u5341\u4e00\u7ae0 FTP \u670d\u52a1\u5668\u63d0\u5230\u7684\u00a0Filezilla\u00a0\u6765\u8fdb\u884c\u8054\u673a\u7684\u5566！ \u5982\u6b64\u4e00\u6765，\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u6587\u4ef6\u4f20\u8f93\u5c31\u65b9\u4fbf\u591a\u4e86\u5427！<\/span><\/span> \u00a0<\/p>\n

                        <\/span><\/span> <\/p>\n

                          \n
                        • \n
                          \n

                          \u6863\u6848\u5f02\u5730\u76f4\u63a5\u590d\u5236： scp<\/span><\/span><\/li>\n<\/ul>\n

                          \u901a\u5e38\u4f7f\u7528 sftp \u662f\u56e0\u4e3a\u53ef\u80fd\u4e0d\u77e5\u9053\u670d\u52a1\u5668\u4e0a\u9762\u6709\u4ec0\u4e48\u6863\u540d\u7684\u6863\u6848\u5b58\u5728，\u5982\u679c\u5df2\u7ecf\u77e5\u9053\u670d\u52a1\u5668\u4e0a\u7684\u6863\u6848\u6863\u540d\u4e86， \u90a3\u4e48\u6700\u7b80\u5355\u7684\u6587\u4ef6\u4f20\u8f93\u5219\u662f\u900f\u8fc7 scp \u8fd9\u4e2a\u6307\u4ee4\u5594！\u6700\u7b80\u5355\u7684 scp \u7528\u6cd5\u5982\u4e0b：<\/span><\/span><\/p>\n\n\n\n
                          [root@www ~]# scp [-pr] [-l \u901f\u7387] file [\u8d26\u53f7@]\u4e3b\u673a:\u76ee\u5f55\u540d<\/span> <==\u4e0a\u4f20<\/span>
                          \n[root@www ~]# scp [-pr] [-l \u901f\u7387] [\u8d26\u53f7@]\u4e3b\u673a:file \u76ee\u5f55\u540d<\/span> <==\u4e0b\u8f7d<\/span>
                          \n\u9009\u9879\u4e0e\u53c2\u6570：
                          \n-p ：\u4fdd\u7559\u539f\u672c\u6863\u6848\u7684\u6743\u9650\u6570\u636e；
                          \n-r ：\u590d\u5236\u6765\u6e90\u4e3a\u76ee\u5f55\u65f6，\u53ef\u4ee5\u590d\u5236\u6574\u4e2a\u76ee\u5f55 (\u542b\u5b50\u76ee\u5f55)
                          \n-l ：\u53ef\u4ee5\u9650\u5236\u4f20\u8f93\u7684\u901f\u5ea6，\u5355\u4f4d\u4e3a Kbits\/s ，\u4f8b\u5982 [-l 800] \u4ee3\u8868\u4f20\u8f93\u901f\u9650 100Kbytes\/s<\/span><\/p>\n

                          # 1. \u5c06\u672c\u673a\u7684 \/etc\/hosts* \u5168\u90e8\u590d\u5236\u5230 127.0.0.1 \u4e0a\u9762\u7684 student \u5bb6\u76ee\u5f55\u5185<\/span>
                          \n[root@www ~]# scp \/etc\/hosts* student@127.0.0.1:~<\/span>
                          \nstudent@127.0.0.1's password: <==\u8f93\u5165 student \u5bc6\u7801<\/span>
                          \nhosts 100% 207 0.2KB\/s 00:00
                          \nhosts.allow 100% 161 0.2KB\/s 00:00
                          \nhosts.deny 100% 347 0.3KB\/s 00:00
                          \n# \u6587\u4ef6\u540d\u663e\u793a \u8fdb\u5ea6 \u5bb9\u91cf(bytes) \u4f20\u8f93\u901f\u5ea6 \u5269\u4f59\u65f6\u95f4
                          \n# \u4f60\u53ef\u4ee5\u4ed4\u7ec6\u770b，\u51fa\u73b0\u7684\u8baf\u606f\u6709\u4e94\u4e2a\u5b57\u6bb5，\u610f\u4e49\u5982\u4e0a\u6240\u793a\u3002<\/span><\/p>\n

                          # 2. \u5c06 127.0.0.1 \u8fd9\u90e8\u8fdc\u7a0b\u4e3b\u673a\u7684 \/etc\/bashrc \u590d\u5236\u5230\u672c\u673a\u7684 \/tmp \u5e95\u4e0b<\/span>
                          \n[root@www ~]# scp student@127.0.0.1:\/etc\/bashrc \/tmp<\/span>
                          \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                          \u5176\u5b9e\u4e0a\u4f20\u6216\u4e0b\u8f7d\u7684\u91cd\u70b9\u662f\u90a3\u4e2a\u5192\u53f7 (:)<\/span>\u00a0\u5570！\u8fde\u63a5\u5728\u5192\u53f7\u540e\u9762\u7684\u5c31\u662f\u8fdc\u7a0b\u4e3b\u673a\u7684\u6863\u6848\u3002 \u56e0\u6b64，\u5982\u679c\u5192\u53f7\u5728\u524d，\u4ee3\u8868\u7684\u5c31\u662f\u4ece\u8fdc\u7a0b\u4e3b\u673a\u4e0b\u8f7d\u4e0b\u6765，\u5982\u679c\u5192\u53f7\u5728\u540e，\u5219\u4ee3\u8868\u672c\u673a\u6570\u636e\u4e0a\u4f20\u5566！ \u800c\u5982\u679c\u60f3\u8981\u590d\u5236\u76ee\u5f55\u7684\u8bdd，\u90a3\u4e48\u53ef\u4ee5\u52a0\u4e0a -r \u7684\u9009\u9879！<\/span><\/span><\/p>\n\n\n\n
                          \u4f8b\u9898：<\/span><\/span> <\/p>\n

                          \u5047\u8bbe\u672c\u673a\u6709\u4e2a\u6863\u6848\u6863\u540d\u4e3a \/root\/dd_10mb_file ，\u8fd9\u4e2a\u6863\u6848\u6709 10 MB \u8fd9\u4e48\u5927\u3002\u5047\u8bbe\u4f60\u60f3\u8981\u4e0a\u4f20\u5230 127.0.0.1 \u7684 \/tmp \u5e95\u4e0b\u53bb， \u800c\u4e14\u4f60\u5728 127.0.0.1 \u4e0a\u9762\u6709 root \u8fd9\u4e2a\u8d26\u53f7\u7684\u4f7f\u7528\u6743\u3002\u4f46\u7531\u4e8e\u5e26\u5bbd\u5f88\u5b9d\u8d35，\u56e0\u6b64\u4f60\u53ea\u60f3\u8981\u82b1\u8d39 100Kbyes\/s \u7684\u4f20\u8f93\u91cf\u7ed9\u6b64\u4e00\u52a8\u4f5c， \u90a3\u8be5\u5982\u4f55\u4e0b\u8fbe\u6307\u4ee4？<\/span><\/span>
                          \n \u7b54：<\/span><\/span> <\/p>\n

                          \u7531\u4e8e\u9884\u8bbe\u4e0d\u5b58\u5728\u8fd9\u4e2a\u6863\u6848，\u56e0\u6b64\u6211\u4eec\u5f97\u5148\u4f7f\u7528 dd \u6765\u5efa\u7acb\u4e00\u4e2a\u5927\u6863\u6848：<\/span><\/span>
                          \n dd if=\/dev\/zero of=\/root\/dd_10mb_file bs=1M count=10<\/span><\/span>
                          \n \u5efa\u7acb\u59a5\u5f53\u4e4b\u540e，\u7531\u4e8e\u662f\u4e0a\u4f20\u6570\u636e，\u89c2\u5bdf -l \u7684\u9009\u9879\u4e2d，\u90a3\u4e2a\u901f\u7387\u7528\u7684\u662f bit ，\u8f6c\u6210\u5bb9\u91cf\u7684 bytes \u9700\u8981\u4e58\u4e0a 8 \u500d，\u56e0\u6b64\u6307\u4ee4\u5c31\u8981\u8fd9\u6837\u4e0b\u8fbe：<\/span><\/span>
                          \n scp -l 800 \/root\/dd_10mb_file root@127.0.0.1:\/tmp<\/span><\/span>\n <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                          \n

                          <\/span><\/span> <\/p>\n

                          \"\u5c0f\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                          11.2.4 ssh \u5ba2\u6237\u7aef\u8054\u673a\u7a0b\u5e8f – Windows \u7528\u6237<\/span><\/span><\/span> <\/p>\n

                          \u4e0e Linux \u4e0d\u540c\u7684\u662f，\u9884\u8bbe\u7684 Windows \u5e76\u6ca1\u6709 ssh \u7684\u5ba2\u6237\u7aef\u7a0b\u5e8f，\u56e0\u6b64\u6240\u6709\u7684\u7a0b\u5e8f\u90fd\u5f97\u8981\u4e0b\u8f7d\u5176\u4ed6\u7b2c\u4e09\u65b9\u8f6f\u4ef6\u624d\u884c\u3002 \u5e38\u89c1\u7684\u8f6f\u4ef6\u4e3b\u8981\u6709 pietty, psftp \u53ca filezilla \u7b49\u3002\u5e95\u4e0b\u5c31\u8ba9\u6211\u4eec\u6765\u8c08\u8c08\u8fd9\u51e0\u4e2a\u8f6f\u4ef6\u5427\u3002<\/span><\/span> \u00a0<\/p>\n

                          <\/span><\/span> <\/p>\n

                            \n
                          • \n
                            \n

                            \u76f4\u63a5\u8054\u673a\u7684 pietty<\/span><\/span><\/li>\n<\/ul>\n

                            \u5728 Linux \u5e95\u4e0b\u60f3\u8981\u8fde\u63a5 SSH \u670d\u52a1\u5668，\u53ef\u4ee5\u76f4\u63a5\u5229\u7528\u00a0ssh\u00a0\u8fd9\u4e2a\u6307\u4ee4，\u5728 Windows \u64cd\u4f5c\u7cfb\u7edf\u5e95\u4e0b\u5c31\u5f97\u8981\u4f7f\u7528 pietty \u6216 putty \u8fd9\u4e24\u4e2a\u73a9\u610f\u513f，\u8fd9\u4e24\u8005\u7684\u4e0b\u8f7d\u70b9\u8bf7\u53c2\u8003 (\u6ce82)：<\/span><\/span><\/p>\n

                              \n
                            • putty \u5b98\u65b9\u7f51\u7ad9：http:\/\/www.chiark.greenend.org.uk\/~sgtatham\/putty\/<\/span><\/span><\/li>\n
                            • pietty \u5b98\u65b9\u7f51\u7ad9：http:\/\/www.csie.ntu.edu.tw\/~piaip\/pietty\/<\/span><\/span><\/li>\n<\/ul>\n

                              \u5728 putty \u7684\u5b98\u65b9\u7f51\u7ad9\u4e0a\u6709\u5f88\u591a\u7684\u8f6f\u4ef6\u53ef\u4ee5\u4f7f\u7528\u7684，\u5305\u62ec putty\/pscp\/psftp \u7b49\u7b49\u3002\u4ed6\u4eec\u5206\u522b\u5bf9\u5e94\u4e86 ssh\/scp\/sftp \u8fd9\u4e09\u4e2a\u6307\u4ee4\u5c31\u662f\u4e86\u3002\u800c\u9e1f\u54e5\u7231\u7528\u7684 pietty \u5219\u662f\u53f0\u6e7e\u7684\u6797\u5f18\u5fb7\u5148\u751f\u6839\u636e putty \u6240\u6539\u7248\u800c\u6210\u7684\u3002\u7531\u4e8e pietty \u9664\u4e86\u5b8c\u6574\u7684\u517c\u5bb9\u4e8e putty \u4e4b\u5916，\u8fd8\u63d0\u4f9b\u4e86\u9009\u5355\u4e0e\u8f83\u4e3a\u5b8c\u6574\u7684\u6587\u5b57\u7f16\u7801，\u5b9e\u5728\u5f88\u597d\u7528\u5462，\u6240\u4ee5\u5e95\u4e0b\u9e1f\u54e5\u5c31\u4ee5 pietty \u6765\u4f5c\u4e3a\u4ecb\u7ecd\u5570\u3002\u5728\u4f60\u4e0b\u8f7d pietty \u5b8c\u6210\u540e，\u53cc\u51fb\u8be5\u6863\u6848，\u5c31\u4f1a\u51fa\u73b0\u5982\u4e0b\u7684\u753b\u9762\u5570：<\/span><\/span><\/p>\n

                              \"pietty<\/p>\n

                              \u56fe 11.2-3\u3001pietty \u7684\u542f\u52a8\u5c4f\u5e55\u793a\u610f\u56fe<\/span><\/span><\/p>\n

                              \u5728\u4e0a\u56fe\u4e2d\u7bad\u5934\u4e3a 1 \u7684\u5730\u65b9\u8bf7\u586b\u5199\u76f8\u5173\u7684\u4e3b\u673a\u540d\u6216\u8005\u662f IP ，\u7bad\u5934 2 \u5f53\u7136\u52a1\u5fc5\u9009\u62e9 SSH \u90a3\u4e00\u9879，\u81f3\u4e8e\u7bad\u5934 3 \u7684\u5730\u65b9，\u9e1f\u54e5\u6bd4\u8f83\u559c\u6b22\u9009\u5355\u51fa\u73b0\u7684\u6837\u5f0f，\u56e0\u4e3a\u53ef\u4ee5\u76f4\u63a5\u4fee\u6539\u4e00\u4e9b pietty \u7684\u73af\u5883\u8bbe\u5b9a\u503c，\u6240\u4ee5\u9e1f\u54e5\u662f\u9009\u62e9\u9009\u5355\u5566！ \u82e5\u6ca1\u6709\u95ee\u9898，\u6309\u4e0b\u300e\u8054\u673a\u300f\u540e，\u5c31\u4f1a\u51fa\u73b0\u5982\u4e0b\u7b49\u5f85\u767b\u5165\u4e0e\u8f93\u5165\u8d26\/\u5bc6\u6570\u636e\u7684\u753b\u9762：<\/span><\/span><\/p>\n

                              \"pietty<\/p>\n

                              \u56fe 11.2-4\u3001pietty \u7684\u767b\u5165\u4e0e\u4f7f\u7528\u753b\u9762\u793a\u610f\u56fe<\/span><\/span><\/p>\n

                              \u8fd9\u4e2a\u56fe\u6807\u4f1a\u8ba9\u4f60\u4ee5\u4e3a\u662f\u5728\u4e3b\u673a\u524d\u9762\u5de5\u4f5c\u5427！\u800c\u4e14\u4e0a\u5934\u8fd8\u6709\u9009\u5355\u53ef\u4ee5\u968f\u65f6\u8c03\u6574\u7c7b\u4f3c\u5b57\u5f62\u3001\u5b57\u4f53\u3001\u5b57\u7b26\u7f16\u7801\u7b49\u7b49\u7684\u91cd\u8981\u73af\u5883\u53c2\u6570\u3002 \u5c24\u5176\u662f\u5b57\u7b26\u7f16\u7801\u7684\u95ee\u9898，\u6709\u65f6\u5019\u4f60\u4f1a\u53d1\u73b0\u5f00\u542f\u6863\u6848\u65f6，\u7adf\u7136\u753b\u9762\u5f53\u4e2d\u4f1a\u6709\u4e71\u7801\u800c\u4e0d\u662f\u6b63\u5e38\u7684\u4e2d\u6587\u663e\u793a， \u90a3\u5c31\u662f\u7f16\u7801\u7684\u95ee\u9898\u3002\u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u65f6，\u4f60\u5fc5\u987b\u8981\u7262\u8bb0\u4e0b\u9762\u7684\u4e09\u4e2a\u8ddf\u8bed\u7cfb\u7f16\u7801\u6709\u5173\u7684\u6570\u636e\u8981\u76f8\u540c\u624d\u884c：<\/span><\/span><\/p>\n

                                \n
                              • \u6587\u672c\u6587\u4ef6\u672c\u8eab\u5728\u5b58\u6863\u65f6\u6240\u6311\u9009\u7684\u8bed\u7cfb；<\/span><\/span><\/li>\n
                              • Linux \u7a0b\u5e8f (\u5982 bash \u8f6f\u4ef6) \u672c\u8eab\u6240\u4f7f\u7528\u7684\u8bed\u7cfb (\u53ef\u7528 LANG \u53d8\u91cf\u8c03\u6574)；<\/span><\/span><\/li>\n
                              • pietty \u6240\u4f7f\u7528\u7684\u8bed\u7cfb\u3002<\/span><\/span><\/li>\n<\/ul>\n

                                \u6211\u4eec\u77e5\u9053 Linux \u672c\u8eab\u7684\u7f16\u7801\u53ef\u4ee5\u900f\u8fc7 LANG \u8fd9\u4e2a\u53d8\u91cf\u6765\u8c03\u6574，\u90a3\u8be5\u5982\u4f55\u8c03\u6574 pietty \u7684\u4e2d\u6587\u7f16\u7801\u5462？\u4f60\u53ef\u4ee5\u900f\u8fc7\u56fe 11.2-4 \u9009\u5355\u5217\u5f53\u4e2d\u7684\u300e\u9009\u9879\u300f\u6765\u5904\u7406，\u5982\u4e0b\u6240\u793a：<\/span><\/span><\/p>\n

                                <\/span><\/span> <\/p>\n

                                \"\u8c03\u6574<\/p>\n

                                \u56fe 11.2-5\u3001\u8c03\u6574 pietty \u7684\u8bed\u7cfb\u7f16\u7801\u65b9\u5f0f (\u4e0e\u4e2d\u6587\u8f83\u76f8\u5173)<\/span><\/span><\/p>\n

                                \u5728\u300e\u9009\u9879\u300f\u7684\u300e\u5b57\u7b26\u7f16\u7801\u300f\u91cc\u9762\u53ef\u4ee5\u6311\u9009 big5 (cp950) \u6216\u8005\u662f unicode (utf8) \u7684\u4e2d\u6587\u7f16\u7801，\u8ba9\u5b83\u7b26\u5408\u4f60\u7684 Linux \u4e0e\u6863\u6848\u6240\u50a8\u5b58\u7684\u6570\u636e\u683c\u5f0f，\u90a3\u4e2d\u6587\u5b57\u5c31 OK \u7684\u5566！ ^_^！\u5982\u679c\u60f3\u8981\u4f5c\u66f4\u7ec6\u90e8\u7684\u8bbe\u5b9a\u65f6，\u53ef\u4ee5\u9009\u62e9\u56fe 11.2-5 \u4e0a\u5934\u6700\u5e95\u4e0b\u7684\u90a3\u4e2a\u300e\u8be6\u7ec6\u8bbe\u5b9a\u300f\u9879\u76ee， \u5c31\u4f1a\u51fa\u73b0\u5982\u4e0b\u56fe\u793a\u3002\u5176\u4e2d\u66f4\u4e3a\u91cd\u8981\u7684\u662f\u300e\u952e\u76d8\u53f3\u4fa7\u7684\u6570\u5b57\u952e\u60f3\u8981\u751f\u6548\u300f\u65f6， \u53ef\u4ee5\u6309\u7167\u4e0b\u56fe\u7684\u6307\u793a\u6765\u542f\u52a8\u6570\u5b57\u952e\u7684\u529f\u80fd：<\/span><\/span><\/p>\n

                                \"pietty<\/p>\n

                                \u56fe 11.2-6\u3001pietty \u8f6f\u4ef6\u73af\u5883\u8be6\u7ec6\u8bbe\u5b9a，\u4e0e\u952e\u76d8\u53f3\u4fa7\u6570\u5b57\u952e\u76f8\u5173\u8005<\/span><\/span><\/p>\n

                                \u5c06\u4e0a\u56fe\u4e2d\u7bad\u5934 2 \u6240\u6307\u7684\u90a3\u4e2a\u9879\u76ee\u52fe\u9009\u8d77\u6765\u4e14\u6309\u4e0b\u300eApply\u300f\u4e4b\u540e，\u4f60\u952e\u76d8\u53f3\u4fa7\u7684\u6570\u5b57\u952e\u624d\u80fd\u591f\u6b63\u5e38\u7684\u4f7f\u7528\u5462，\u5426\u5219\u6309\u53f3\u4fa7\u6570\u5b57\u952e\u4f1a\u662f\u4e71\u7801\u5566\u3002 \u518d\u6765，\u4f60\u53ef\u4ee5\u8c03\u6574 pietty \u6eda\u52a8\u6761\u7684\u8bb0\u5fc6\u884c\u6570，\u8fd9\u6837\u5f53\u6570\u636e\u592a\u591a\u65f6，\u4f60\u4f9d\u65e7\u53ef\u4ee5\u8c03\u6574\u6eda\u52a8\u6761\u6765\u67e5\u9605\u4e4b\u524d\u7684\u6570\u636e\u3002\u8bbe\u5b9a\u7684\u65b9\u6cd5\u5982\u4e0b：<\/span><\/span><\/p>\n

                                \"\u8c03\u6574\u753b\u9762\u53ef\u4ee5\u8bb0\u5fc6\u7684\u884c\u6570，\u53ef\u8ba9\u7528\u6237\u56de\u53bb\u770b\u8f83\u591a\u4e4b\u524d\u7684\u753b\u9762\"<\/p>\n

                                \u56fe 11.2-7\u3001\u8c03\u6574\u753b\u9762\u53ef\u4ee5\u8bb0\u5fc6\u7684\u884c\u6570，\u53ef\u8ba9\u7528\u6237\u56de\u53bb\u770b\u8f83\u591a\u4e4b\u524d\u7684\u753b\u9762<\/span><\/span><\/p>\n

                                \u8c03\u6574\u5b8c\u8fd9\u4e9b\u5e38\u7528\u7684\u6570\u636e\u540e，\u518d\u6765\u8fd9\u662f\u6700\u91cd\u8981\u7684：\u300e\u4f60\u8981\u4ee5\u54ea\u4e00\u4e2a\u7248\u672c\u7684 SSH \u7b97\u6cd5\u767b\u5165？\u300f\u524d\u9762\u8bf4\u8fc7，\u6211\u4eec\u9884\u8bbe\u662f\u4ee5 version2 \u6765\u767b\u5165\u7684，\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u53ef\u4ee5\u8c03\u6574\u4e3a 2 \u90a3\u4e2a\u9879\u76ee！\u8fd9\u6837\u6bcf\u6b21\u767b\u5165\u90fd\u4f1a\u4ee5 version 2 \u7684\u6a21\u5f0f\u767b\u5165\u4e3b\u673a\u4e86！<\/span><\/span><\/p>\n

                                \"\u8bbe\u5b9a\u767b\u5165\u670d\u52a1\u5668\u65f6\u4f7f\u7528\u7684<\/p>\n

                                \u56fe 11.2-8\u3001\u8bbe\u5b9a\u767b\u5165\u670d\u52a1\u5668\u65f6\u4f7f\u7528\u7684 ssh \u7b97\u6cd5\u7248\u672c<\/span><\/span><\/p>\n

                                \u6574\u4e2a pietty \u7684\u4f7f\u7528\u4e0e\u76f8\u5173\u8bbe\u5b9a\u6d41\u7a0b\u5c31\u662f\u8fd9\u6837！\u5982\u6b64\u4e00\u6765，\u4f60\u5c31\u53ef\u4ee5\u5728 Windows \u4e0a\u9762\u4ee5 SSH \u7684\u534f\u8bae，\u767b\u5165\u8fdc\u7a0b\u7684 Linux \u4e3b\u673a\u565c！\u7c89\u65b9\u4fbf\u5427！ ^_^ ！\u5982\u679c\u60f3\u8981\u4e2d\u6587\u652f\u6301\u7684\u8bdd，\u76ee\u524d pietty \u5df2\u7ecf\u652f\u6301\u4e2d\u6587\u5566！\u4f60\u53ef\u4ee5\u8f93\u5165\u4e2d\u6587\u5594！\u4e0d\u8fc7\u9700\u8981\u4fee\u6539\u4e00\u4e0b\u5b57\u7b26\u96c6， \u9009\u62e9\u56fe 11.2-5\u00a0\u300e\u9009\u9879\u300f\u5185\u7684\u300e\u5b57\u578b\u300f\u5c31\u4f1a\u51fa\u73b0\u5982\u4e0b\u56fe\u793a：<\/span><\/span><\/p>\n

                                \"\u9009\u62e9\u4e2d\u6587\u7684\u5b57\u5f62\u4e0e\u7f16\u7801\"<\/p>\n

                                \u56fe 11.2-9\u3001\u9009\u62e9\u4e2d\u6587\u7684\u5b57\u5f62\u4e0e\u7f16\u7801<\/span><\/span><\/p>\n

                                \u5c06(1)\u5b57\u578b\u8bbe\u5b9a\u4e3a\u7ec6\u660e\u4f53\u3001(2)\u5b57\u96c6\u8bbe\u5b9a\u4e3a\u300eBig5\u300f，\u5982\u6b64\u4e00\u6765，\u4f60\u7684 pietty \u5c31\u652f\u6301\u4e2d\u6587\u7684\u8f93\u5165\u5570！<\/span><\/span><\/span><\/p>\n

                                \u90a3\u4e48\u4e0a\u9762\u6211\u4eec\u4f5c\u7684\u8fd9\u4e9b\u8bbe\u5b9a\u503c\u90fd\u8bb0\u5f55\u5728\u54ea\u91cc\u554a？\u5475\u5475！\u90fd\u8bb0\u5f55\u5728 Windows \u7684\u767b\u5f55\u6587\u4ef6\u5f53\u4e2d\u554a！\u4f60\u53ef\u4ee5\u5728 Windows \u7684\u7cfb\u7edf\u5f53\u4e2d，\u5728\u300e\u5f00\u59cb\u300f–>\u300e\u6267\u884c\u300f\u540e，\u51fa\u73b0\u7684\u6846\u6846\u5185\u8f93\u5165\u300eregedit\u300f， \u4e4b\u540e\u4f1a\u51fa\u73b0\u4e00\u4e2a\u5927\u7a97\u53e3\u3002\u8bf7\u5728\u5de6\u8fb9\u7684\u753b\u9762\u5f53\u4e2d\u9009\u62e9\u300e\u00a0HKEY_CURRENT_USER –> Software –> SimonTatham –> PuTTY –> Sessions<\/span>\u300f， \u5c31\u53ef\u4ee5\u770b\u5230\u4f60\u7684\u8bbe\u5b9a\u503c\u5570！ ^_^！ \u8fd9\u6837，\u4e5f\u5c31\u53ef\u4ee5\u50a8\u5b58\u4f60\u7684\u8bbe\u5b9a\u503c\u5570～<\/span><\/span> \u00a0<\/p>\n

                                <\/span><\/span> <\/p>\n

                                  \n
                                • \n
                                  \n

                                  \u4f7f\u7528 sftp-server \u7684\u529f\u80fd： psftp<\/span><\/span><\/li>\n<\/ul>\n

                                  \u5728 putty \u7684\u5b98\u65b9\u7f51\u7ad9\u4e0a\u4e5f\u63d0\u4f9b psftp \u8fd9\u652f\u7a0b\u5e8f\u3002\u8fd9\u4e00\u652f\u7a0b\u5e8f\u7684\u91cd\u70b9\u5219\u5728\u4f7f\u7528 sftp-server\u3002\u4f7f\u7528\u7684\u65b9\u5f0f\u53ef\u4ee5\u76f4\u63a5\u70b9\u9009 psftp \u8fd9\u4e2a\u6863\u6848，\u8ba9\u4ed6\u76f4\u63a5\u542f\u52a8，\u5219\u4f1a\u51fa\u73b0\u4e0b\u9762\u7684\u56fe\u6837：<\/span><\/span><\/p>\n\n\n\n
                                  psftp: no hostname specified; use "open host.name" to connect
                                  \npsftp>
                                  \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                  \u8fd9\u4e2a\u65f6\u5019\u53ef\u4ee5\u586b\u5165\u4f60\u8981\u8fde\u63a5\u4e0a\u53bb\u7684\u4e3b\u673a\u540d，\u4f8b\u5982\u6211\u7684\u533a\u57df\u5185\u7f51\u7edc 192.168.100.254 \u8fd9\u90e8\u4e3b\u673a：<\/span><\/span><\/p>\n\n\n\n
                                  psftp: no hostname specified; use "open host.name" to connect
                                  \npsftp> open 192.168.100.254<\/span>
                                  \nlogin as: root<\/span>
                                  \nroot@192.168.100.254's password:
                                  \nRemote working directory is \/root
                                  \npsftp> <== \u8fd9\u91cc\u5c31\u5728\u7b49\u5f85\u4f60\u8f93\u5165 FTP \u7684\u6307\u4ee4\u4e86！<\/span>
                                  \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                  \u5475\u5475！\u8fd9\u6837\u5c31\u767b\u5165\u4e3b\u673a\u5566！\u5f88\u7b80\u5355\u5427！\u7136\u540e\u5176\u4ed6\u7684\u4f7f\u7528\u65b9\u5f0f\u8ddf\u524d\u9762\u63d0\u5230\u7684\u00a0sftp\u00a0\u4e00\u6837\u54e9！\u52a0\u6cb9\u7684\u4f7f\u7528\u5427！<\/span><\/span> \u00a0<\/p>\n

                                  <\/span><\/span> <\/p>\n

                                    \n
                                  • \n
                                    \n

                                    \u56fe\u5f62\u5316\u63a5\u53e3\u7684 sftp \u5ba2\u6237\u7aef\u8f6f\u4ef6： Filezilla<\/span><\/span><\/li>\n<\/ul>\n

                                    SSH \u6240\u63d0\u4f9b\u7684 sftp \u529f\u80fd\u53ea\u80fd\u5229\u7528\u7eaf\u6587\u672c\u63a5\u53e3\u7684 psftp \u6765\u8054\u673a\u5417？\u6709\u6ca1\u6709\u56fe\u5f62\u63a5\u53e3\u7684\u8f6f\u4ef6\u5462？\u5475\u5475！\u5f53\u7136\u6709！ \u90a3\u5c31\u662f\u975e\u5e38\u6709\u7528\u7684 Filezilla \u5570！Filezilla \u662f\u56fe\u5f62\u63a5\u53e3\u7684\u4e00\u4e2a FTP \u5ba2\u6237\u7aef\u8f6f\u4ef6，\u4f7f\u7528\u4e0a\u975e\u5e38\u7684\u65b9\u4fbf， \u81f3\u4e8e\u8be6\u7ec6\u7684\u5b89\u88c5\u4e0e\u4f7f\u7528\u6d41\u7a0b\u8bf7\u53c2\u8003\u7b2c\u4e8c\u5341\u4e00\u7ae0\u00a0vsftpd\u00a0\u7684\u8bf4\u660e\u5594！<\/span><\/span><\/p>\n

                                    \n

                                    <\/span><\/span> <\/p>\n

                                    \"\u5c0f\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                                    11.2.5 sshd \u670d\u52a1\u5668\u7ec6\u90e8\u8bbe\u5b9a<\/span><\/span><\/span> <\/p>\n

                                    \u57fa\u672c\u4e0a，\u6240\u6709\u7684 sshd \u670d\u52a1\u5668\u8be6\u7ec6\u8bbe\u5b9a\u90fd\u653e\u5728\u00a0\/etc\/ssh\/sshd_config<\/span>\u00a0\u91cc\u9762！\u4e0d\u8fc7，\u6bcf\u4e2a Linux distribution \u7684\u9884\u8bbe\u8bbe\u5b9a\u90fd\u4e0d\u592a\u76f8\u540c，\u6240\u4ee5\u6211\u4eec\u6709\u5fc5\u8981\u6765\u4e86\u89e3\u4e00\u4e0b\u6574\u4e2a\u8bbe\u5b9a\u503c\u7684\u610f\u4e49\u4e3a\u4f55\u624d\u597d！ \u540c\u65f6\u8bf7\u6ce8\u610f，\u5728\u9884\u8bbe\u7684\u6863\u6848\u5185，\u53ea\u8981\u662f\u9884\u8bbe\u6709\u51fa\u73b0\u4e14\u88ab\u6279\u6ce8\u7684\u8bbe\u5b9a\u503c (\u8bbe\u5b9a\u503c\u524d\u9762\u52a0 #)，\u5373\u4e3a\u300e\u9ed8\u8ba4\u503c！\u300f<\/span>，\u4f60\u53ef\u4ee5\u4f9d\u636e\u5b83\u6765\u4fee\u6539\u7684\u54e9\u3002<\/span><\/span><\/p>\n\n\n\n
                                    [root@www ~]# vim \/etc\/ssh\/sshd_config<\/span>
                                    \n# 1. \u5173\u4e8e SSH Server \u7684\u6574\u4f53\u8bbe\u5b9a，\u5305\u542b\u4f7f\u7528\u7684 port \u5566，\u4ee5\u53ca\u4f7f\u7528\u7684\u5bc6\u7801\u6f14\u7b97\u65b9\u5f0f<\/span>
                                    \n# Port 22<\/span>
                                    \n# SSH \u9884\u8bbe\u4f7f\u7528 22 \u8fd9\u4e2aport，\u4e5f\u53ef\u4ee5\u4f7f\u7528\u591a\u4e2aport，\u5373\u91cd\u590d\u4f7f\u7528 port \u8fd9\u4e2a\u8bbe\u5b9a\u9879\u76ee！
                                    \n# \u4f8b\u5982\u60f3\u8981\u5f00\u653e sshd \u5728 22 \u4e0e 443 ，\u5219\u591a\u52a0\u4e00\u884c\u5185\u5bb9\u4e3a：\u300e Port 443 \u300f
                                    \n# \u7136\u540e\u91cd\u65b0\u542f\u52a8 sshd \u8fd9\u6837\u5c31\u597d\u4e86！\u4e0d\u8fc7，\u4e0d\u5efa\u8bae\u4fee\u6539 port number \u5566！<\/span><\/p>\n

                                    Protocol 2<\/span>
                                    \n# \u9009\u62e9\u7684 SSH \u534f\u8bae\u7248\u672c，\u53ef\u4ee5\u662f 1 \u4e5f\u53ef\u4ee5\u662f 2 ，CentOS 5.x \u9884\u8bbe\u662f\u4ec5\u652f\u63f4 V2\u3002
                                    \n# \u5982\u679c\u60f3\u8981\u652f\u6301\u65e7\u7248 V1 ，\u5c31\u5f97\u8981\u4f7f\u7528\u300e Protocol 2,1 \u300f\u624d\u884c\u3002<\/span><\/p>\n

                                    # ListenAddress 0.0.0.0<\/span>
                                    \n# \u76d1\u542c\u7684\u4e3b\u673a\u9002\u914d\u5668！\u4e3e\u4e2a\u4f8b\u5b50\u6765\u8bf4，\u5982\u679c\u4f60\u6709\u4e24\u4e2a IP，\u5206\u522b\u662f 192.168.1.100 \u53ca
                                    \n# 192.168.100.254，\u5047\u8bbe\u4f60\u53ea\u60f3\u8981\u8ba9 192.168.1.100 \u53ef\u4ee5\u76d1\u542c sshd ，\u90a3\u5c31\u8fd9\u6837\u5199：
                                    \n# \u300e ListenAddress 192.168.1.100 \u300f\u9ed8\u8ba4\u503c\u662f\u76d1\u542c\u6240\u6709\u63a5\u53e3\u7684 SSH \u8981\u6c42<\/span><\/p>\n

                                    # PidFile \/var\/run\/sshd.pid<\/span>
                                    \n# \u53ef\u4ee5\u653e\u7f6e SSHD \u8fd9\u4e2a PID \u7684\u6863\u6848！\u4e0a\u8ff0\u4e3a\u9ed8\u8ba4\u503c<\/span><\/p>\n

                                    # LoginGraceTime 2m<\/span>
                                    \n# \u5f53\u4f7f\u7528\u8005\u8fde\u4e0a SSH server \u4e4b\u540e，\u4f1a\u51fa\u73b0\u8f93\u5165\u5bc6\u7801\u7684\u753b\u9762，\u5728\u8be5\u753b\u9762\u4e2d，
                                    \n# \u5728\u591a\u4e45\u65f6\u95f4\u5185\u6ca1\u6709\u6210\u529f\u8fde\u4e0a SSH server \u5c31\u5f3a\u8feb\u65ad\u7ebf！\u82e5\u65e0\u5355\u4f4d\u5219\u9ed8\u8ba4\u65f6\u95f4\u4e3a\u79d2！<\/span><\/p>\n

                                    # Compression delayed<\/span>
                                    \n# \u6307\u5b9a\u4f55\u65f6\u5f00\u59cb\u4f7f\u7528\u538b\u7f29\u6570\u636e\u6a21\u5f0f\u8fdb\u884c\u4f20\u8f93\u3002\u6709 yes, no \u4e0e\u767b\u5165\u540e\u624d\u5c06\u6570\u636e\u538b\u7f29 (delayed)<\/span><\/p>\n

                                    # 2. \u8bf4\u660e\u4e3b\u673a\u7684 Private Key \u653e\u7f6e\u7684\u6863\u6848，\u9884\u8bbe\u4f7f\u7528\u4e0b\u9762\u7684\u6863\u6848\u5373\u53ef！<\/span>
                                    \n# HostKey \/etc\/ssh\/ssh_host_key<\/span> # SSH version 1 \u4f7f\u7528\u7684\u79c1\u94a5<\/span>
                                    \n# HostKey \/etc\/ssh\/ssh_host_rsa_key<\/span> # SSH version 2 \u4f7f\u7528\u7684 RSA \u79c1\u94a5<\/span>
                                    \n# HostKey \/etc\/ssh\/ssh_host_dsa_key<\/span> # SSH version 2 \u4f7f\u7528\u7684 DSA \u79c1\u94a5
                                    \n# \u8fd8\u8bb0\u5f97\u6211\u4eec\u5728\u4e3b\u673a\u7684 SSH \u8054\u673a\u6d41\u7a0b\u91cc\u9762\u8c08\u5230\u7684，\u8fd9\u91cc\u5c31\u662f Host Key ～<\/span><\/p>\n

                                    # 3. \u5173\u4e8e\u767b\u5f55\u6587\u4ef6\u7684\u8baf\u606f\u6570\u636e\u653e\u7f6e\u4e0e daemon \u7684\u540d\u79f0！<\/span>
                                    \nSyslogFacility AUTHPRIV<\/span>
                                    \n# \u5f53\u6709\u4eba\u4f7f\u7528 SSH \u767b\u5165\u7cfb\u7edf\u7684\u65f6\u5019，SSH \u4f1a\u8bb0\u5f55\u4fe1\u606f，\u8fd9\u4e2a\u4fe1\u606f\u8981\u8bb0\u5f55\u5728\u4ec0\u4e48 daemon name
                                    \n# \u5e95\u4e0b？\u9884\u8bbe\u662f\u4ee5 AUTH \u6765\u8bbe\u5b9a\u7684，\u5373\u662f \/var\/log\/secure \u91cc\u9762！\u4ec0\u4e48？\u5fd8\u8bb0\u4e86！
                                    \n# \u56de\u5230 Linux \u57fa\u7840\u53bb\u7ffb\u4e00\u4e0b\u3002\u5176\u4ed6\u53ef\u7528\u7684 daemon name \u4e3a：DAEMON,USER,AUTH,
                                    \n# LOCAL0,LOCAL1,LOCAL2,LOCAL3,LOCAL4,LOCAL5,<\/span><\/p>\n

                                    # LogLevel INFO<\/span>
                                    \n# \u767b\u5f55\u8bb0\u5f55\u7684\u7b49\u7ea7！\u563f\u563f！\u4efb\u4f55\u8baf\u606f！\u540c\u6837\u7684，\u5fd8\u8bb0\u4e86\u5c31\u56de\u53bb\u53c2\u8003！<\/span><\/p>\n

                                    # 4. \u5b89\u5168\u8bbe\u5b9a\u9879\u76ee！\u6781\u91cd\u8981！
                                    \n# 4.1 \u767b\u5165\u8bbe\u5b9a\u90e8\u5206<\/span>
                                    \n# PermitRootLogin yes<\/span>
                                    \n# \u662f\u5426\u5141\u8bb8 root \u767b\u5165！\u9884\u8bbe\u662f\u5141\u8bb8\u7684，\u4f46\u662f\u5efa\u8bae\u8bbe\u5b9a\u6210 no！<\/span><\/p>\n

                                    # StrictModes yes<\/span>
                                    \n# \u662f\u5426\u8ba9 sshd \u53bb\u68c0\u67e5\u7528\u6237\u5bb6\u76ee\u5f55\u6216\u76f8\u5173\u6863\u6848\u7684\u6743\u9650\u6570\u636e，
                                    \n# \u8fd9\u662f\u4e3a\u4e86\u62c5\u5fc3\u4f7f\u7528\u8005\u5c06\u67d0\u4e9b\u91cd\u8981\u6863\u6848\u7684\u6743\u9650\u8bbe\u9519，\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4e00\u4e9b\u95ee\u9898\u6240\u81f4\u3002
                                    \n# \u4f8b\u5982\u4f7f\u7528\u8005\u7684 ~.ssh\/ \u6743\u9650\u8bbe\u9519\u65f6，\u67d0\u4e9b\u7279\u6b8a\u60c5\u51b5\u4e0b\u4f1a\u4e0d\u8bb8\u7528\u6237\u767b\u5165<\/span><\/p>\n

                                    # PubkeyAuthentication yes
                                    \n# AuthorizedKeysFile .ssh\/authorized_keys<\/span>
                                    \n# \u662f\u5426\u5141\u8bb8\u7528\u6237\u81ea\u884c\u4f7f\u7528\u6210\u5bf9\u7684\u5bc6\u94a5\u7cfb\u7edf\u8fdb\u884c\u767b\u5165\u884c\u4e3a，\u4ec5\u9488\u5bf9 version 2\u3002
                                    \n# \u81f3\u4e8e\u81ea\u5236\u7684\u516c\u94a5\u6570\u636e\u5c31\u653e\u7f6e\u4e8e\u7528\u6237\u5bb6\u76ee\u5f55\u4e0b\u7684 .ssh\/authorized_keys \u5185<\/span><\/p>\n

                                    PasswordAuthentication yes<\/span>
                                    \n# \u5bc6\u7801\u9a8c\u8bc1\u5f53\u7136\u662f\u9700\u8981\u7684！\u6240\u4ee5\u8fd9\u91cc\u5199 yes \u5570！<\/span><\/p>\n

                                    # PermitEmptyPasswords no<\/span>
                                    \n# \u82e5\u4e0a\u9762\u90a3\u4e00\u9879\u5982\u679c\u8bbe\u5b9a\u4e3a yes \u7684\u8bdd，\u8fd9\u4e00\u9879\u5c31\u6700\u597d\u8bbe\u5b9a\u4e3a no ，
                                    \n# \u8fd9\u4e2a\u9879\u76ee\u5728\u662f\u5426\u5141\u8bb8\u4ee5\u7a7a\u7684\u5bc6\u7801\u767b\u5165！\u5f53\u7136\u4e0d\u8bb8！<\/span><\/p>\n

                                    # 4.2 \u8ba4\u8bc1\u90e8\u5206<\/span>
                                    \n# RhostsAuthentication no<\/span>
                                    \n# \u672c\u673a\u7cfb\u7edf\u4e0d\u4f7f\u7528 .rhosts，\u56e0\u4e3a\u4ec5\u4f7f\u7528 .rhosts\u592a\u4e0d\u5b89\u5168\u4e86，\u6240\u4ee5\u8fd9\u91cc\u4e00\u5b9a\u8981\u8bbe\u5b9a\u4e3a no<\/span><\/p>\n

                                    # IgnoreRhosts yes<\/span>
                                    \n# \u662f\u5426\u53d6\u6d88\u4f7f\u7528 ~\/.ssh\/.rhosts \u6765\u505a\u4e3a\u8ba4\u8bc1！\u5f53\u7136\u662f！<\/span><\/p>\n

                                    # RhostsRSAAuthentication no #<\/span>
                                    \n# \u8fd9\u4e2a\u9009\u9879\u662f\u4e13\u95e8\u7ed9 version 1 \u7528\u7684，\u4f7f\u7528 rhosts \u6863\u6848\u5728 \/etc\/hosts.equiv
                                    \n# \u914d\u5408 RSA \u6f14\u7b97\u65b9\u5f0f\u6765\u8fdb\u884c\u8ba4\u8bc1！\u4e0d\u8981\u4f7f\u7528\u554a！<\/span><\/p>\n

                                    # HostbasedAuthentication no<\/span>
                                    \n# \u8fd9\u4e2a\u9879\u76ee\u4e0e\u4e0a\u9762\u7684\u9879\u76ee\u7c7b\u4f3c，\u4e0d\u8fc7\u662f\u7ed9 version 2 \u4f7f\u7528\u7684！<\/span><\/p>\n

                                    # IgnoreUserKnownHosts no<\/span>
                                    \n# \u662f\u5426\u5ffd\u7565\u5bb6\u76ee\u5f55\u5185\u7684 ~\/.ssh\/known_hosts \u8fd9\u4e2a\u6863\u6848\u6240\u8bb0\u5f55\u7684\u4e3b\u673a\u5185\u5bb9？
                                    \n# \u5f53\u7136\u4e0d\u8981\u5ffd\u7565，\u6240\u4ee5\u8fd9\u91cc\u5c31\u662f no \u5566！<\/span><\/p>\n

                                    ChallengeResponseAuthentication no<\/span>
                                    \n# \u5141\u8bb8\u4efb\u4f55\u7684\u5bc6\u7801\u8ba4\u8bc1！\u6240\u4ee5，\u4efb\u4f55 login.conf \u89c4\u5b9a\u7684\u8ba4\u8bc1\u65b9\u5f0f，\u5747\u53ef\u9002\u7528！
                                    \n# \u4f46\u76ee\u524d\u6211\u4eec\u6bd4\u8f83\u559c\u6b22\u4f7f\u7528 PAM \u6a21\u5757\u5e2e\u5fd9\u7ba1\u7406\u8ba4\u8bc1，\u56e0\u6b64\u8fd9\u4e2a\u9009\u9879\u53ef\u4ee5\u8bbe\u5b9a\u4e3a no \u5594！<\/span><\/p>\n

                                    UsePAM yes<\/span>
                                    \n# \u5229\u7528 PAM \u7ba1\u7406\u4f7f\u7528\u8005\u8ba4\u8bc1\u6709\u5f88\u591a\u597d\u5904，\u53ef\u4ee5\u8bb0\u5f55\u4e0e\u7ba1\u7406\u3002
                                    \n# \u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u5efa\u8bae\u4f60\u4f7f\u7528 UsePAM \u4e14 ChallengeResponseAuthentication \u8bbe\u5b9a\u4e3a no <\/span>
                                    \n\u3000
                                    \n# 4.3 \u4e0e Kerberos \u6709\u5173\u7684\u53c2\u6570\u8bbe\u5b9a！\u56e0\u4e3a\u6211\u4eec\u6ca1\u6709 Kerberos \u4e3b\u673a，\u6240\u4ee5\u5e95\u4e0b\u4e0d\u7528\u8bbe\u5b9a！<\/span>
                                    \n# KerberosAuthentication no
                                    \n# KerberosOrLocalPasswd yes
                                    \n# KerberosTicketCleanup yes
                                    \n# KerberosTgtPassing no<\/span>
                                    \n\u3000
                                    \n# 4.4 \u5e95\u4e0b\u662f\u6709\u5173\u5728 X-Window \u5e95\u4e0b\u4f7f\u7528\u7684\u76f8\u5173\u8bbe\u5b9a！<\/span>
                                    \nX11Forwarding yes
                                    \n# X11DisplayOffset 10
                                    \n# X11UseLocalhost yes<\/span>
                                    \n# \u6bd4\u8f83\u91cd\u8981\u7684\u662f X11Forwarding \u9879\u76ee，\u4ed6\u53ef\u4ee5\u8ba9\u7a97\u53e3\u7684\u6570\u636e\u900f\u8fc7 ssh \u4fe1\u9053\u6765\u4f20\u9001\u5594！
                                    \n# \u5728\u672c\u7ae0\u540e\u9762\u6bd4\u8f83\u8fdb\u9636\u7684 ssh \u4f7f\u7528\u65b9\u6cd5\u4e2d\u4f1a\u8c08\u5230\u3002<\/span><\/p>\n

                                    # 4.5 \u767b\u5165\u540e\u7684\u9879\u76ee：<\/span>
                                    \n# PrintMotd yes<\/span>
                                    \n# \u767b\u5165\u540e\u662f\u5426\u663e\u793a\u51fa\u4e00\u4e9b\u4fe1\u606f\u5462？\u4f8b\u5982\u4e0a\u6b21\u767b\u5165\u7684\u65f6\u95f4\u3001\u5730\u70b9\u7b49\u7b49，\u9884\u8bbe\u662f yes
                                    \n# \u4ea6\u5373\u662f\u6253\u5370\u51fa \/etc\/motd \u8fd9\u4e2a\u6863\u6848\u7684\u5185\u5bb9\u3002\u4f46\u662f，\u5982\u679c\u4e3a\u4e86\u5b89\u5168，\u53ef\u4ee5\u8003\u8651\u6539\u4e3a no ！<\/span><\/p>\n

                                    # PrintLastLog yes<\/span>
                                    \n# \u663e\u793a\u4e0a\u6b21\u767b\u5165\u7684\u4fe1\u606f！\u53ef\u4ee5\u554a！\u9884\u8bbe\u4e5f\u662f yes ！<\/span><\/p>\n

                                    # TCPKeepAlive yes<\/span>
                                    \n# \u5f53\u8fbe\u6210\u8054\u673a\u540e，\u670d\u52a1\u5668\u4f1a\u4e00\u76f4\u4f20\u9001 TCP \u5c01\u5305\u7ed9\u5ba2\u6237\u7aef\u85c9\u4ee5\u5224\u65ad\u5bf9\u65b9\u5f0f\u5426\u4e00\u76f4\u5b58\u5728\u8054\u673a\u3002
                                    \n# \u4e0d\u8fc7，\u5982\u679c\u8054\u673a\u65f6\u4e2d\u95f4\u7684\u8def\u7531\u5668\u6682\u65f6\u505c\u6b62\u670d\u52a1\u51e0\u79d2\u949f，\u4e5f\u4f1a\u8ba9\u8054\u673a\u4e2d\u65ad\u5594！
                                    \n# \u5728\u8fd9\u4e2a\u60c5\u51b5\u4e0b，\u4efb\u4f55\u4e00\u7aef\u6b7b\u6389\u540e，SSH\u53ef\u4ee5\u7acb\u523b\u77e5\u9053！\u800c\u4e0d\u4f1a\u6709\u50f5\u5c38\u7a0b\u5e8f\u7684\u53d1\u751f！
                                    \n# \u4f46\u5982\u679c\u4f60\u7684\u7f51\u7edc\u6216\u8def\u7531\u5668\u5e38\u5e38\u4e0d\u7a33\u5b9a，\u90a3\u4e48\u53ef\u4ee5\u8bbe\u5b9a\u4e3a no \u7684\u5566！<\/span><\/p>\n

                                    UsePrivilegeSeparation yes<\/span>
                                    \n# \u662f\u5426\u6743\u9650\u8f83\u4f4e\u7684\u7a0b\u5e8f\u6765\u63d0\u4f9b\u7528\u6237\u64cd\u4f5c\u3002\u6211\u4eec\u77e5\u9053 sshd \u542f\u52a8\u5728 port 22 ，
                                    \n# \u56e0\u6b64\u542f\u52a8\u7684\u7a0b\u5e8f\u662f\u5c5e\u4e8e root \u7684\u8eab\u4efd\u3002\u90a3\u4e48\u5f53 student \u767b\u5165\u540e，\u8fd9\u4e2a\u8bbe\u5b9a\u503c
                                    \n# \u4f1a\u8ba9 sshd \u4ea7\u751f\u4e00\u4e2a\u5c5e\u4e8e sutdent \u7684 sshd \u7a0b\u5e8f\u6765\u4f7f\u7528，\u5bf9\u7cfb\u7edf\u8f83\u5b89\u5168<\/span><\/p>\n

                                    MaxStartups 10<\/span>
                                    \n# \u540c\u65f6\u5141\u8bb8\u51e0\u4e2a\u5c1a\u672a\u767b\u5165\u7684\u8054\u673a\u753b\u9762？\u5f53\u6211\u4eec\u8fde\u4e0a SSH ，\u4f46\u662f\u5c1a\u672a\u8f93\u5165\u5bc6\u7801\u65f6，
                                    \n# \u8fd9\u4e2a\u65f6\u5019\u5c31\u662f\u6211\u4eec\u6240\u8c13\u7684\u8054\u673a\u753b\u9762\u5566！\u5728\u8fd9\u4e2a\u8054\u673a\u753b\u9762\u4e2d，\u4e3a\u4e86\u4fdd\u62a4\u4e3b\u673a，
                                    \n# \u6240\u4ee5\u9700\u8981\u8bbe\u5b9a\u6700\u5927\u503c，\u9884\u8bbe\u6700\u591a\u5341\u4e2a\u8054\u673a\u753b\u9762，\u800c\u5df2\u7ecf\u5efa\u7acb\u8054\u673a\u7684\u4e0d\u8ba1\u7b97\u5728\u8fd9\u5341\u4e2a\u5f53\u4e2d<\/span><\/p>\n

                                    # 4.6 \u5173\u4e8e\u7528\u6237\u62b5\u6321\u7684\u8bbe\u5b9a\u9879\u76ee：<\/span>
                                    \nDenyUsers *<\/span>
                                    \n# \u8bbe\u5b9a\u53d7\u62b5\u6321\u7684\u4f7f\u7528\u8005\u540d\u79f0，\u5982\u679c\u662f\u5168\u90e8\u7684\u4f7f\u7528\u8005，\u90a3\u5c31\u662f\u5168\u90e8\u6321\u5427！
                                    \n# \u82e5\u662f\u90e8\u5206\u4f7f\u7528\u8005，\u53ef\u4ee5\u5c06\u8be5\u8d26\u53f7\u586b\u5165！\u4f8b\u5982\u4e0b\u5217！<\/span>
                                    \nDenyUsers test<\/p>\n

                                    DenyGroups test<\/span>
                                    \n# \u4e0e DenyUsers \u76f8\u540c！\u4ec5\u62b5\u6321\u51e0\u4e2a\u7fa4\u7ec4\u800c\u5df2！<\/span><\/p>\n

                                    # 5. \u5173\u4e8e SFTP \u670d\u52a1\u4e0e\u5176\u4ed6\u7684\u8bbe\u5b9a\u9879\u76ee！<\/span>
                                    \nSubsystem sftp \/usr\/lib\/ssh\/sftp-server<\/span>
                                    \n# UseDNS yes<\/span>
                                    \n# \u4e00\u822c\u6765\u8bf4，\u4e3a\u4e86\u8981\u5224\u65ad\u5ba2\u6237\u7aef\u6765\u6e90\u662f\u6b63\u5e38\u5408\u6cd5\u7684，\u56e0\u6b64\u4f1a\u4f7f\u7528 DNS \u53bb\u53cd\u67e5\u5ba2\u6237\u7aef\u7684\u4e3b\u673a\u540d
                                    \n# \u4e0d\u8fc7\u5982\u679c\u662f\u5728\u5185\u7f51\u4e92\u8fde，\u8fd9\u9879\u76ee\u8bbe\u5b9a\u4e3a no \u4f1a\u8ba9\u8054\u673a\u8fbe\u6210\u901f\u5ea6\u6bd4\u8f83\u5feb\u3002<\/span>
                                    \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                    \u57fa\u672c\u4e0a，CentOS \u9884\u8bbe\u7684 sshd \u670d\u52a1\u5df2\u7ecf\u7b97\u662f\u633a\u5b89\u5168\u7684\u4e86，\u4e0d\u8fc7\u8fd8\u4e0d\u591f！\u5efa\u8bae\u4f60 (1)\u5c06 root \u7684\u767b\u5165\u6743\u9650\u53d6\u6d88； (2)\u5c06 ssh \u7248\u672c\u8bbe\u5b9a\u4e3a 2\u00a0<\/span>\u3002\u5176\u4ed6\u7684\u8bbe\u5b9a\u503c\u5c31\u8bf7\u4f60\u4f9d\u7167\u81ea\u5df1\u7684\u559c\u597d\u6765\u8bbe\u5b9a\u4e86\u3002 \u901a\u5e38\u4e0d\u5efa\u8bae\u8fdb\u884c\u968f\u4fbf\u4fee\u6539\u5566！\u53e6\u5916，\u5982\u679c\u4f60\u4fee\u6539\u8fc7\u4e0a\u9762\u8fd9\u4e2a\u6863\u6848(\/etc\/ssh\/sshd_config)，\u90a3\u4e48\u5c31\u5fc5\u9700\u8981\u91cd\u65b0\u542f\u52a8\u4e00\u6b21 sshd \u8fd9\u4e2a daemon \u624d\u884c！\u4ea6\u5373\u662f：<\/span><\/span><\/p>\n

                                      \n
                                    • \/etc\/init.d\/sshd restart<\/span><\/span><\/span><\/li>\n<\/ul>\n
                                      \n

                                      <\/span><\/span> <\/p>\n

                                      \"\u5c0f\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                                      11.2.6 \u5236\u4f5c\u4e0d\u7528\u5bc6\u7801\u53ef\u7acb\u5373\u767b\u5165\u7684 ssh \u7528\u6237<\/span><\/span><\/span> <\/p>\n

                                      \u4f60\u6216\u8bb8\u5df2\u7ecf\u60f3\u5230\u4e86，\u65e2\u7136 ssh \u53ef\u4ee5\u4f7f\u7528 scp \u6765\u8fdb\u884c\u7f51\u7edc\u590d\u5236\u7684\u8bdd，\u90a3\u4e48\u6211\u80fd\u4e0d\u80fd\u5c06 scp \u7684\u6307\u4ee4\u653e\u7f6e\u4e8e crontab \u670d\u52a1\u4e2d， \u8ba9\u6211\u4eec\u7684\u7cfb\u7edf\u900f\u8fc7 scp \u76f4\u63a5\u5728\u80cc\u666f\u5e95\u4e0b\u81ea\u884c\u5b9a\u671f\u7684\u8fdb\u884c\u7f51\u7edc\u590d\u5236\u4e0e\u5907\u4efd\u5462？\u62b1\u6b49，\u7b54\u6848\u662f：\u300e\u9884\u8bbe\u72b6\u51b5\u4e0b\u4e0d\u5141\u8bb8\u6b64\u52a8\u4f5c\u300f\u7684！ \u4e3a\u751a\u4e48\u5462？\u56e0\u4e3a\u9884\u8bbe\u72b6\u51b5\u4e0b，\u4f60\u5fc5\u987b\u8981\u900f\u8fc7\u8fdc\u7a0b\u767b\u5f55，\u4e0e scp \u4e92\u52a8\u7684\u8f93\u5165\u5bc6\u7801\u624d\u884c\u554a！\u4f46 crontab \u53c8\u4e0d\u4f1a\u8ba9\u4f60\u6709\u7ec8\u7aef\u63a5\u53e3\u8f93\u5165\u5bc6\u7801， \u6240\u4ee5\u8be5\u7a0b\u5e8f\u5c31\u4f1a\u4e00\u76f4\u5361\u4f4f\u800c\u65e0\u6cd5\u5728 crontab \u5185\u6267\u884c\u6210\u529f\u5594！ \u90a3\u600e\u529e？\u6211\u4eec\u8981\u653e\u5f03\u8fd9\u4e2a\u597d\u7528\u7684\u7f51\u7edc\u590d\u5236\u5de5\u5177\u5417？\u5f53\u7136\u4e0d\u662f\u5566！\u6211\u4eec\u53ef\u4ee5\u900f\u8fc7\u5bc6\u94a5\u8ba4\u8bc1\u7cfb\u7edf\u6765\u5904\u7406\u7684！<\/span><\/span><\/p>\n

                                      \u65e2\u7136 SSH \u53ef\u4ee5\u4f7f\u7528\u5bc6\u94a5\u7cfb\u7edf\u6765\u6bd4\u5bf9\u6570\u636e，\u5e76\u4e14\u63d0\u4f9b\u7528\u6237\u6570\u636e\u7684\u52a0\u5bc6\u529f\u80fd，\u90a3\u4e48\u53ef\u4e0d\u53ef\u80fd\u5229\u7528\u8fd9\u4e2a Key \u5c31\u63d0\u4f9b\u7528\u6237\u81ea\u5df1\u8fdb\u5165\u4e3b\u673a，\u800c\u4e0d\u9700\u8981\u8f93\u5165\u5bc6\u7801\u5462？\u5475\u5475！\u597d\u4e3b\u610f！\u6211\u4eec\u53ef\u4ee5\u5c06 Client \u4ea7\u751f\u7684 Key \u7ed9\u4ed6\u62f7\u8d1d\u5230 Server \u5f53\u4e2d，\u6240\u4ee5， \u4ee5\u540e Client \u767b\u5165 Server \u65f6，\u7531\u4e8e\u4e24\u8005\u5728 SSH \u8981\u8054\u673a\u7684\u8baf\u53f7\u4f20\u9012\u4e2d，\u5c31\u5df2\u7ecf\u6bd4\u5bf9\u8fc7 Key \u4e86， \u56e0\u6b64，\u53ef\u4ee5\u7acb\u5373\u8fdb\u5165\u6570\u636e\u4f20\u8f93\u63a5\u53e3\u4e2d，\u800c\u4e0d\u9700\u8981\u518d\u8f93\u5165\u5bc6\u7801\u5462！\u5728\u5b9e\u4f5c\u4e0a\u7684\u6b65\u9aa4\u53ef\u4ee5\u662f：<\/span><\/span><\/p>\n

                                    • \u5ba2\u6237\u7aef\u5efa\u7acb\u4e24\u628a\u94a5\u5319<\/span>：\u60f3\u4e00\u60f3，\u5728\u5bc6\u94a5\u7cfb\u7edf\u4e2d，\u662f\u516c\u94a5\u6bd4\u8f83\u91cd\u8981\u8fd8\u662f\u79c1\u94a5\u6bd4\u8f83\u91cd\u8981？ \u5f53\u7136\u662f\u79c1\u94a5\u6bd4\u8f83\u91cd\u8981！\u56e0\u6b64\u79c1\u94a5\u624d\u662f\u89e3\u5bc6\u7684\u5173\u952e\u554a！\u6240\u4ee5\u5570，\u8fd9\u4e24\u628a\u94a5\u5319\u5f53\u7136\u5f97\u5728\u53d1\u8d77\u8054\u673a\u7684\u5ba2\u6237\u7aef\u5efa\u7f6e\u624d\u5bf9\u3002\u5229\u7528\u7684\u6307\u4ee4\u4e3a ssh-keygen \u8fd9\u4e2a\u547d\u4ee4；<\/span><\/span> \u00a0<\/li>\n
                                    • \u5ba2\u6237\u7aef\u653e\u7f6e\u597d\u79c1\u94a5\u6863\u6848<\/span>：\u5c06 Private Key \u653e\u5728 Client \u4e0a\u9762\u7684\u5bb6\u76ee\u5f55，\u4ea6\u5373 $HOME\/.ssh\/ ， \u5e76\u4e14\u5f97\u8981\u6ce8\u610f\u6743\u9650\u5594！<\/span><\/span> \u00a0<\/li>\n
                                    • \u5c06\u516c\u94a5\u653e\u7f6e\u670d\u52a1\u5668\u7aef\u7684\u6b63\u786e\u76ee\u5f55\u4e0e\u6587\u4ef6\u540d\u53bb<\/span>：\u6700\u540e，\u5c06\u90a3\u628a Public Key \u653e\u5728\u4efb\u4f55\u4e00\u4e2a\u4f60\u60f3\u8981\u7528\u6765\u767b\u5165\u7684\u670d\u52a1\u5668\u7aef\u7684\u67d0 User \u7684\u5bb6\u76ee\u5f55\u5185\u4e4b .ssh\/ \u91cc\u9762\u7684\u8ba4\u8bc1\u6863\u6848\u5373\u53ef\u5b8c\u6210\u6574\u4e2a\u7a0b\u5e8f\u3002<\/span><\/span><\/li>\n

                                      \u8bf4\u662f\u597d\u50cf\u5f88\u56f0\u96be\u7684\u6837\u5b50，\u5176\u5b9e\u6b65\u9aa4\u771f\u7684\u5f88\u7b80\u5355，\u6211\u4eec\u4f9d\u5e8f\u6765\u8fdb\u884c\u4f5c\u4e1a\u597d\u4e86！\u5047\u8bbe\u524d\u63d0\u5982\u4e0b，\u8be5\u8fdb\u884c\u7684\u6b65\u9aa4\u5219\u5982\u4e0b\u56fe：<\/span><\/span><\/p>\n

                                        \n
                                      • Server \u90e8\u5206\u4e3a www.centos.vbird \u8fd9\u90e8 192.168.100.254 \u7684\u4e3b\u673a，\u6b32\u4f7f\u7528\u7684\u8d26\u53f7\u4e3a dmtsai ；<\/span><\/span><\/li>\n
                                      • Client \u90e8\u5206\u4e3a clientlinux.centos.vbird \u8fd9\u90e8 192.168.100.10 \u7684 vbirdtsai \u8fd9\u4e2a\u8d26\u53f7， \u8be5\u8d26\u53f7\u8981\u7528\u6765\u767b\u5165 192.168.100.254 \u8fd9\u90e8\u4e3b\u673a\u7684 dmtsai \u8d26\u53f7\u3002<\/span><\/span><\/li>\n<\/ul>\n

                                        \"\u5236\u4f5c\u4e0d\u9700\u8981\u5bc6\u7801\u7684<\/p>\n

                                        \u56fe 11.2-10\u3001\u5236\u4f5c\u4e0d\u9700\u8981\u5bc6\u7801\u7684 ssh \u8d26\u53f7\u57fa\u672c\u6d41\u7a0b<\/span><\/span><\/p>\n

                                        <\/span><\/span> <\/p>\n

                                          \n
                                        • \n
                                          \n

                                          1. \u5ba2\u6237\u7aef\u5efa\u7acb\u4e24\u628a\u94a5\u5319：<\/span><\/span><\/li>\n<\/ul>\n

                                          \u5efa\u7acb\u7684\u65b9\u6cd5\u5f88\u7b80\u5355，\u5728 clientlinux.centos.vbird \u8fd9\u90e8\u4e3b\u673a\u4e0a\u9762\u4ee5 vbirdtsai \u7684\u8eab\u4efd\u6765\u5efa\u7acb\u4e24\u628a\u94a5\u5319\u5373\u53ef\u3002 \u4e0d\u8fc7，\u9700\u8981\u6ce8\u610f\u7684\u662f，\u6211\u4eec\u6709\u591a\u79cd\u5bc6\u7801\u7b97\u6cd5，\u5982\u679c\u4e0d\u6307\u5b9a\u7279\u6b8a\u7684\u7b97\u6cd5，\u5219\u9ed8\u8ba4\u4ee5 RSA \u7b97\u6cd5\u6765\u5904\u7406：<\/span><\/span><\/p>\n\n\n\n
                                          [vbirdtsai@clientlinux ~]$ ssh-keygen [-t rsa|dsa]<\/span> <==\u53ef\u9009 rsa \u6216 dsa<\/span>
                                          \n[vbirdtsai@clientlinux ~]$ ssh-keygen<\/span> <==\u7528\u9884\u8bbe\u7684\u65b9\u6cd5\u5efa\u7acb\u5bc6\u94a5<\/span>
                                          \nGenerating public\/private rsa key pair.
                                          \nEnter file in which to save the key (\/home\/vbirdtsai\/.ssh\/id_rsa): <==\u6309 enter<\/span>
                                          \nCreated directory '\/home\/vbirdtsai\/.ssh'. <==\u6b64\u76ee\u5f55\u82e5\u4e0d\u5b58\u5728\u5219\u4f1a\u4e3b\u52a8\u5efa\u7acb<\/span>
                                          \nEnter passphrase (empty for no passphrase): <==\u6309 Enter \u4e0d\u7ed9\u5bc6\u7801<\/span>
                                          \nEnter same passphrase again: <==\u518d\u8f93\u5165\u4e00\u6b21 Enter \u5427！<\/span>
                                          \nYour identification has been saved in \/home\/vbirdtsai\/.ssh\/id_rsa.<\/span> <==\u79c1\u94a5\u6863<\/span>
                                          \nYour public key has been saved in \/home\/vbirdtsai\/.ssh\/id_rsa.pub.<\/span> <==\u516c\u94a5\u6863<\/span>
                                          \nThe key fingerprint is:
                                          \n0f:d3:e7:1a:1c:bd:5c:03:f1:19:f1:22:df:9b:cc:08 vbirdtsai@clientlinux.centos.vbird<\/p>\n

                                          [vbirdtsai@clientlinux ~]$ ls -ld ~\/.ssh; ls -l ~\/.ssh<\/span>
                                          \ndrwx——.<\/span> 2 vbirdtsai vbirdtsai<\/span> 4096 2011-07-25 12:58 \/home\/vbirdtsai\/.ssh
                                          \n-rw——-.<\/span> 1 vbirdtsai vbirdtsai<\/span> 1675 2011-07-25 12:58 id_rsa <==\u79c1\u94a5\u6863<\/span>
                                          \n-rw-r–r–. 1 vbirdtsai vbirdtsai 416 2011-07-25 12:58 id_rsa.pub <==\u516c\u94a5\u6863<\/span>
                                          \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                          \u8bf7\u6ce8\u610f\u4e0a\u9762\u5594，\u6211\u7684\u8eab\u4efd\u662f vbirdtsai ，\u6240\u4ee5\u5f53\u6211\u6267\u884c ssh-keygen \u65f6，\u624d\u4f1a\u5728\u6211\u7684\u5bb6\u76ee\u5f55\u5e95\u4e0b\u7684 .ssh\/ \u8fd9\u4e2a\u76ee\u5f55\u91cc\u9762\u4ea7\u751f\u6240\u9700\u8981\u7684\u4e24\u628a Keys ，\u5206\u522b\u662f\u79c1\u94a5 (id_rsa) \u4e0e\u516c\u94a5 (id_rsa.pub)<\/span>\u3002 ~\/.ssh\/\u00a0\u76ee\u5f55\u5fc5\u987b\u8981\u662f 700 \u7684\u6743\u9650\u624d\u884c<\/span>！\u53e6\u5916\u4e00\u4e2a\u8981\u7279\u522b\u6ce8\u610f\u7684\u5c31\u662f\u90a3\u4e2a id_rsa \u7684\u6863\u6848\u6743\u9650\u5566！\u4ed6\u5fc5\u987b\u8981\u662f\u00a0-rw——-<\/span>\u00a0\u4e14\u5c5e\u4e8e vbirdtsai \u81ea\u5df1\u624d\u884c！\u5426\u5219\u5728\u672a\u6765\u5bc6\u94a5\u6bd4\u5bf9\u7684\u8fc7\u7a0b\u5f53\u4e2d，\u53ef\u80fd\u4f1a\u88ab\u5224\u5b9a\u4e3a\u5371\u9669\u800c\u65e0\u6cd5\u6210\u529f\u7684\u4ee5\u516c\u79c1\u94a5\u6210\u5bf9\u6863\u6848\u7684\u673a\u5236\u6765\u8fbe\u6210\u8054\u673a\u5594\u3002 \u5176\u5b9e，\u5efa\u7acb\u79c1\u94a5\u540e\u9884\u8bbe\u7684\u6743\u9650\u4e0e\u6587\u4ef6\u540d\u653e\u7f6e\u4f4d\u7f6e\u90fd\u662f\u6b63\u786e\u7684，\u4f60\u53ea\u8981\u68c0\u67e5\u8fc7\u6ca1\u95ee\u9898\u5373\u53ef\u3002<\/span><\/span> \u00a0<\/p>\n

                                            \n
                                          • \n
                                            \n

                                            2. \u5c06\u516c\u94a5\u6863\u6848\u6570\u636e\u4e0a\u4f20\u5230\u670d\u52a1\u5668\u4e0a：<\/span><\/span><\/li>\n<\/ul>\n

                                            \u56e0\u4e3a\u6211\u4eec\u8981\u767b\u5165 www.centos.vbird \u662f\u4ee5 dmtsai \u7684\u8eab\u4efd，\u56e0\u6b64\u6211\u4eec\u5c31\u5f97\u8981\u5c06\u4e0a\u4e2a\u6b65\u9aa4\u5efa\u7acb\u7684\u516c\u94a5 (id_rsa.pub) \u4e0a\u4f20\u5230\u670d\u52a1\u5668\u4e0a\u7684 dmtsai \u7528\u6237\u624d\u884c\u3002\u90a3\u5982\u4f55\u4e0a\u4f20\u5462？\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u5f53\u7136\u5c31\u662f\u4f7f\u7528 scp \u561b！<\/span><\/span><\/p>\n\n\n\n
                                            [vbirdtsai@clientlinux ~]$ scp ~\/.ssh\/id_rsa.pub dmtsai@192.168.100.254:~<\/span>
                                            \n# \u4e0a\u4f20\u5230 dmtsai \u7684\u5bb6\u76ee\u5f55\u5e95\u4e0b\u5373\u53ef\u3002<\/span>
                                            \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                            \u00a0 <\/p>\n

                                              \n
                                            • \n
                                              \n

                                              3. \u5c06\u516c\u94a5\u653e\u7f6e\u670d\u52a1\u5668\u7aef\u7684\u6b63\u786e\u76ee\u5f55\u4e0e\u6587\u4ef6\u540d：<\/span><\/span><\/li>\n<\/ul>\n

                                              \u8fd8\u8bb0\u5f97\u00a0sshd_config\u00a0\u91cc\u9762\u8c08\u5230\u7684 AuthorizedKeysFile \u8fd9\u4e2a\u8bbe\u5b9a\u503c\u5427？\u8be5\u8bbe\u5b9a\u503c\u5c31\u662f\u5728\u6307\u5b9a\u516c\u94a5\u6570\u636e\u5e94\u8be5\u8981\u653e\u7f6e\u7684\u6587\u4ef6\u540d\u5570！\u6240\u4ee5，\u6211\u4eec\u5fc5\u987b\u8981\u5230\u670d\u52a1\u5668\u7aef\u7684 dmtsai \u8fd9\u4e2a\u7528\u6237\u8eab\u4efd\u4e0b， \u5c06\u521a\u521a\u4e0a\u4f20\u7684 id_rsa.pub \u6570\u636e\u9644\u52a0\u5230 authorized_keys \u8fd9\u4e2a\u6863\u6848\u5185\u624d\u884c\u3002\u4f5c\u6cd5\u6709\u70b9\u50cf\u8fd9\u6837：<\/span><\/span><\/p>\n\n\n\n
                                              # 1. \u5efa\u7acb ~\/.ssh \u6863\u6848，\u6ce8\u610f\u6743\u9650\u9700\u8981\u4e3a 700 \u5594！<\/span>
                                              \n[dmtsai@www ~]$ ls -ld .ssh<\/span>
                                              \nls: .ssh: \u6ca1\u6709\u6b64\u4e00\u6863\u6848\u6216\u76ee\u5f55
                                              \n# \u7531\u4e8e\u53ef\u80fd\u662f\u65b0\u5efa\u7684\u7528\u6237，\u56e0\u6b64\u8fd9\u4e2a\u76ee\u5f55\u4e0d\u5b58\u5728\u3002\u4e0d\u5b58\u5728\u624d\u4f5c\u5e95\u4e0b\u5efa\u7acb\u76ee\u5f55\u7684\u884c\u4e3a<\/span><\/p>\n

                                              [dmtsai@www ~]$ mkdir .ssh; chmod 700 .ssh<\/span>
                                              \n[dmtsai@www ~]$ ls -ld .ssh<\/span>
                                              \ndrwx——. 2 dmtsai dmtsai<\/span> 4096 Jul 25 13:06 .ssh
                                              \n# \u6743\u9650\u8bbe\u5b9a\u4e2d，\u52a1\u5fc5\u662f 700 \u4e14\u5c5e\u4e8e\u4f7f\u7528\u8005\u672c\u4eba\u7684\u8d26\u53f7\u4e0e\u7fa4\u7ec4\u624d\u884c！<\/span><\/p>\n

                                              # 2. \u5c06\u516c\u94a5\u6863\u6848\u5185\u7684\u6570\u636e\u4f7f\u7528 cat \u8f6c\u5b58\u5230 authorized_keys \u5185<\/span>
                                              \n[dmtsai@www ~]$ ls -l *pub<\/span>
                                              \n-rw-r–r–. 1 dmtsai dmtsai 416 Jul 25 13:05 id_rsa.pub <==\u786e\u5b9e\u6709\u5b58\u5728<\/span><\/p>\n

                                              [dmtsai@www ~]$ cat id_rsa.pub >> .ssh\/authorized_keys<\/span>
                                              \n[dmtsai@www ~]$ chmod 644 .ssh\/authorized_keys<\/span>
                                              \n[dmtsai@www ~]$ ls -l .ssh<\/span>
                                              \n-rw-r–r–. 1 dmtsai dmtsai<\/span> 416 Jul 25 13:07 authorized_keys
                                              \n# \u8fd9\u4e2a\u6863\u6848\u7684\u6743\u9650\u8bbe\u5b9a\u4e2d，\u5c31\u5f97\u8981\u662f 644 \u624d\u53ef\u4ee5！\u4e0d\u53ef\u4ee5\u641e\u6df7\u4e86！<\/span>
                                              \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                              \u00a0 <\/p>\n

                                              \n

                                              \u8fd9\u6837\u5c31\u641e\u5b9a\u5bc6\u94a5\u7cfb\u7edf\u5570！\u4ee5\u540e\u4f60\u4ece clientlinux.centos.vbird \u7684 vbirdtsai \u767b\u5165\u5230 www.centos.vbird \u7684 dmtsai \u7528\u6237\u65f6， \u5c31\u4e0d\u9700\u8981\u4efb\u4f55\u7684\u5bc6\u7801\u5570！\u4e3e\u4f8b\u6765\u8bf4，\u4f60\u53ef\u4ee5\u8fd9\u6837\u6d4b\u8bd5\u770b\u770b\u5570：<\/span><\/span><\/p>\n\n\n\n
                                              \u4f8b\u9898：<\/span><\/span> <\/p>\n

                                              \u900f\u8fc7\u4e0a\u8ff0\u7684\u6848\u4f8b\u7ec3\u4e60\u6210\u529f\u540e，\u8bf7\u5728 clientlinux \u7684 vbirdtsai \u8eab\u4efd\u4e2d，\u5c06\u7cfb\u7edf\u7684 \/etc\/hosts* \u6863\u6848\u590d\u5236\u7ed9 www.centos.vbird \u7684 dmtsai \u7528\u6237\u7684\u5bb6\u76ee\u5f55\u3002<\/span><\/span>
                                              \n \u7b54：<\/span><\/span> <\/p>\n\n\n\n
                                              [vbirdtsai@clientlinux ~]$ scp \/etc\/hosts* dmtsai@192.168.100.254:~<\/span>
                                              \nhosts 100% 187 0.2KB\/s 00:00
                                              \nhosts.allow 100% 161 0.2KB\/s 00:00
                                              \nhosts.deny 100% 347 0.3KB\/s 00:00
                                              \n# \u4f60\u4f1a\u53d1\u73b0，\u539f\u672c\u4f1a\u51fa\u73b0\u7684\u90a3\u4e2a\u5bc6\u7801\u63d0\u793a\u6570\u636e\u4e0d\u4f1a\u51fa\u73b0\u4e86\u5594！<\/span><\/p>\n

                                              [vbirdtsai@clientlinux ~]$ ssh dmtsai@192.168.100.254 "ls -l"<\/span>
                                              \n-rw-r–r–. 1 dmtsai dmtsai 196 2011-07-25 13:09 hosts
                                              \n-rw-r–r–. 1 dmtsai dmtsai 370 2011-07-25 13:09 hosts.allow
                                              \n-rw-r–r–. 1 dmtsai dmtsai 460 2011-07-25 13:09 hosts.deny
                                              \n-rw-r–r–. 1 dmtsai dmtsai 416 2011-07-25 13:05 id_rsa.pub
                                              \n# \u786e\u5b9e\u6709\u590d\u5236\u5230\u5bf9\u65b9\u53bb\u4e86！\u6709\u663e\u793a\u51fa\u6b63\u786e\u7684\u8fdc\u7a0b\u6570\u636e\u54e9！<\/span>
                                              \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                              \u00a0 <\/p>\n

                                              \u5f88\u7b80\u5355\u7684\u6b65\u9aa4\u5427！\u8fd9\u6837\u4e00\u6765，\u4f7f\u7528 ssh \u76f8\u5173\u7684\u5ba2\u6237\u7aef\u6307\u4ee4\u5c31\u53ef\u4ee5\u4e0d\u9700\u5bc6\u7801\u7684\u624b\u7eed\u4e86！\u65e0\u8bba\u5982\u4f55，\u5728\u5efa\u7acb\u5bc6\u94a5\u7cfb\u7edf\u7684\u6b65\u9aa4\u4e2d\u4f60\u8981\u8bb0\u5f97\u7684\u662f：<\/span><\/span><\/p>\n

                                                \n
                                              • Client \u5fc5\u987b\u5236\u4f5c\u51fa Public & Private \u8fd9\u4e24\u628a keys，\u4e14 Private \u9700\u653e\u5230 ~\/.ssh\/ \u5185；<\/span><\/span><\/li>\n
                                              • Server \u5fc5\u987b\u8981\u6709 Public Key ，\u4e14\u653e\u7f6e\u5230\u7528\u6237\u5bb6\u76ee\u5f55\u4e0b\u7684 ~\/.ssh\/authorized_keys，\u540c\u65f6\u76ee\u5f55\u7684\u6743\u9650 (.ssh\/) \u5fc5\u987b\u662f 700 \u800c\u6863\u6848\u6743\u9650\u5219\u5fc5\u987b\u4e3a 644 ，\u540c\u65f6\u6863\u6848\u7684\u62e5\u6709\u8005\u4e0e\u7fa4\u7ec4\u90fd\u5fc5\u987b\u4e0e\u8be5\u8d26\u53f7\u543b\u5408\u624d\u884c\u3002<\/span><\/span><\/li>\n<\/ul>\n

                                                \u672a\u6765，\u5f53\u4f60\u8fd8\u60f3\u8981\u767b\u5165\u5176\u4ed6\u7684\u4e3b\u673a\u65f6，\u53ea\u8981\u5c06\u4f60\u7684 public key (\u5c31\u662f id_rsa.pub \u8fd9\u4e2a\u6863\u6848) \u7ed9\u4ed6 copy \u5230\u5176\u4ed6\u4e3b\u673a\u4e0a\u9762\u53bb，\u5e76\u4e14\u65b0\u589e\u5230\u67d0\u8d26\u53f7\u7684 ~\/.ssh\/authorized_keys \u8fd9\u4e2a\u6863\u6848\u4e2d！\u54c8\u54c8！\u6210\u529f！<\/span><\/span><\/p>\n

                                                \n

                                                <\/span><\/span> <\/p>\n

                                                \"\u5c0f\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                                                11.2.7 \u7b80\u6613\u5b89\u5168\u8bbe\u5b9a<\/span><\/span><\/span> <\/p>\n

                                                \u8001\u5b9e\u8bf4，\u5927\u5bb6\u90fd\u88ab\u300eSSH \u662f\u4e2a\u5b89\u5168\u7684\u670d\u52a1\u300f\u6240\u6b3a\u9a97\u4e86<\/span>！\u5176\u5b9e sshd \u5e76\u4e0d\u600e\u4e48\u5b89\u5168\u7684！\u7ffb\u5f00 openssh \u7684\u8fc7\u53bb\u5386\u53f2\u6765\u770b，\u786e\u5b9e\u6709\u5f88\u591a\u4eba\u662f\u5229\u7528 ssh \u7684\u7a0b\u5e8f\u6f0f\u6d1e\u6765\u53d6\u5f97\u8fdc\u7a0b\u4e3b\u673a root \u7684\u6743\u9650，\u8fdb\u4e00\u6b65\u9ed1\u6389\u5bf9\u65b9\u7684\u4e3b\u673a！\u6240\u4ee5\u8fd9\u73a9\u610f\u513f\u8bf4\u5b9e\u8bdd，\u4e5f\u4e0d\u662f\u5f88\u5b89\u5168\u7684\u5566！<\/span><\/span><\/p>\n

                                                sshd \u4e4b\u6240\u8c13\u7684\u300e\u5b89\u5168\u300f\u5176\u5b9e\u6307\u7684\u662f\u300e\u00a0sshd \u7684\u6570\u636e\u662f\u52a0\u5bc6\u8fc7\u7684，\u6240\u4ee5\u4ed6\u7684\u6570\u636e\u5728 Internet \u4e0a\u9762\u4f20\u9012\u65f6\u662f\u6bd4\u8f83\u5b89\u5168\u7684\u3002<\/span>\u81f3\u4e8e sshd \u8fd9\u4e2a\u670d\u52a1\u672c\u8eab\u5c31\u4e0d\u662f\u90a3\u6837\u5b89\u5168\u4e86！\u6240\u4ee5\u8bf4：\u300e\u975e\u5fc5\u8981，\u4e0d\u8981\u5c06 sshd \u5bf9 Internet \u5f00\u653e\u53ef\u767b\u5165\u7684\u6743\u9650，\u5c3d\u91cf\u5c40\u9650\u5728\u51e0\u4e2a\u5c0f\u8303\u56f4\u5185\u7684 IP \u6216\u4e3b\u673a\u540d\u5373\u53ef！<\/span>\u8fd9\u5f88\u91cd\u8981\u7684\u5594！<\/span><\/span><\/p>\n

                                                \u597d\u4e86，\u90a3\u4e48\u5173\u4e8e\u5b89\u5168\u7684\u8bbe\u5b9a\u65b9\u9762，\u6709\u6ca1\u6709\u4ec0\u4e48\u503c\u5f97\u6ce8\u610f\u7684\u5462？\u5f53\u7136\u662f\u6709\u5566！\u6211\u4eec\u53ef\u4ee5\u5148\u5efa\u8bae\u51e0\u4e2a\u9879\u76ee\u5427！\u5206\u522b\u53ef\u4ee5\u7531\u5e95\u4e0b\u8fd9\u4e09\u65b9\u9762\u6765\u8fdb\u884c：<\/span><\/span><\/p>\n

                                                  \n
                                                • \u670d\u52a1\u5668\u8f6f\u4ef6\u672c\u8eab\u7684\u8bbe\u5b9a\u5f3a\u5316：\/etc\/ssh\/sshd_config<\/span><\/span><\/li>\n
                                                • TCP wrapper \u7684\u4f7f\u7528：\/etc\/hosts.allow, \/etc\/hosts.deny<\/span><\/span><\/li>\n
                                                • iptables \u7684\u4f7f\u7528： iptables.rule, iptables.allow<\/span><\/span><\/li>\n<\/ul>\n
                                                    \n
                                                  • \n
                                                    \n

                                                    \u670d\u52a1\u5668\u8f6f\u4ef6\u672c\u8eab\u7684\u8bbe\u5b9a\u5f3a\u5316：\/etc\/ssh\/sshd_config<\/span><\/span><\/li>\n<\/ul>\n

                                                    \u4e00\u822c\u800c\u8a00，\u8fd9\u4e2a\u6863\u6848\u7684\u9ed8\u8ba4\u9879\u76ee\u5c31\u5df2\u7ecf\u5f88\u5b8c\u5907\u4e86！\u6240\u4ee5，\u4e8b\u5b9e\u4e0a\u662f\u4e0d\u592a\u9700\u8981\u66f4\u52a8\u4ed6\u7684！ \u4f46\u662f，\u5982\u679c\u4f60\u6709\u4e9b\u4f7f\u7528\u8005\u65b9\u9762\u7684\u987e\u8651，\u90a3\u4e48\u53ef\u4ee5\u8fd9\u6837\u4fee\u6b63\u4e00\u4e9b\u95ee\u9898\u5462！<\/span><\/span><\/p>\n

                                                      \n
                                                    • \u7981\u6b62 root \u8fd9\u4e2a\u8d26\u53f7\u4f7f\u7528 sshd \u7684\u670d\u52a1；<\/span><\/span><\/li>\n
                                                    • \u7981\u6b62 nossh \u8fd9\u4e2a\u7fa4\u7ec4\u7684\u7528\u6237\u4f7f\u7528 sshd \u7684\u670d\u52a1；<\/span><\/span><\/li>\n
                                                    • \u7981\u6b62 testssh \u8fd9\u4e2a\u7528\u6237\u4f7f\u7528 sshd \u7684\u670d\u52a1；<\/span><\/span><\/li>\n<\/ul>\n

                                                      \u9664\u4e86\u4e0a\u8ff0\u7684\u8d26\u53f7\u4e4b\u5916，\u5176\u4ed6\u7684\u7528\u6237\u5219\u53ef\u4ee5\u6b63\u5e38\u7684\u4f7f\u7528\u7cfb\u7edf\u3002\u73b0\u5728\u9e1f\u54e5\u5047\u8bbe\u4f60\u7684\u7cfb\u7edf\u91cc\u9762\u5df2\u7ecf\u6709 sshnot1, sshnot2, sshnot3 \u52a0\u5165 nossh \u7fa4\u7ec4， \u540c\u65f6\u7cfb\u7edf\u8fd8\u6709 testssh, student \u7b49\u8d26\u53f7\u3002\u76f8\u5173\u7684\u8d26\u53f7\u5904\u7406\u8bf7\u81ea\u884c\u53c2\u8003\u57fa\u7840\u7bc7\u6765\u8bbe\u5b9a，\u5e95\u4e0b\u4ec5\u662f\u5217\u51fa\u89c2\u5bdf\u7684\u91cd\u70b9：<\/span><\/span><\/p>\n\n\n\n
                                                      # 1. \u5148\u89c2\u5bdf\u4e00\u4e0b\u6240\u9700\u8981\u7684\u8d26\u53f7\u662f\u5426\u5b58\u5728\u5462？<\/span>
                                                      \n[root@www ~]# for user in sshnot1 sshnot2 sshnot3 testssh student; do \\\\<\/span>
                                                      \n> id $user | cut -d ' ' -f1-3 ; done<\/span>
                                                      \nuid=507(sshnot1) gid=509(sshnot1) groups=509(sshnot1),508(nossh)<\/span>
                                                      \nuid=508(sshnot2) gid=510(sshnot2) groups=510(sshnot2),508(nossh)<\/span>
                                                      \nuid=509(sshnot3) gid=511(sshnot3) groups=511(sshnot3),508(nossh)<\/span>
                                                      \nuid=511(testssh) gid=513(testssh) groups=513(testssh)
                                                      \nuid=505(student) gid=506(student) groups=506(student)
                                                      \n# \u82e5\u4e0a\u8ff0\u8d26\u53f7\u5e76\u4e0d\u5b58\u5728\u4f60\u7684\u7cfb\u7edf，\u8bf7\u81ea\u5df1\u5efa\u7f6e\u51fa\u6765！UID\/GID \u4e0e\u9e1f\u54e5\u7684\u4e0d\u540c\u4e5f\u6ca1\u5173\u7cfb！<\/span><\/p>\n

                                                      # 2. \u4fee\u6539 sshd_config \u5e76\u4e14\u91cd\u65b0\u542f\u52a8 sshd \u5427！<\/span>
                                                      \n[root@www ~]# vim \/etc\/ssh\/sshd_config<\/span>
                                                      \nPermitRootLogin no <==\u7ea6\u5728\u7b2c 39 \u884c，\u8bf7\u62ff\u6389\u6279\u6ce8\u4e14\u4fee\u6539\u6210\u8fd9\u6837<\/span>
                                                      \nDenyGroups nossh <==\u5e95\u4e0b\u8fd9\u4e24\u884c\u53ef\u4ee5\u52a0\u5728\u6863\u6848\u7684\u6700\u540e\u9762<\/span>
                                                      \nDenyUsers testssh<\/span><\/p>\n

                                                      [root@www ~]# \/etc\/init.d\/sshd restart<\/span><\/p>\n

                                                      # 3. \u6d4b\u8bd5\u4e0e\u89c2\u5bdf\u76f8\u5173\u7684\u8d26\u53f7\u767b\u5165\u60c5\u51b5\u5427！<\/span>
                                                      \n[root@www ~]# ssh root@localhost<\/span> <==\u5e76\u8bf7\u8f93\u5165\u6b63\u786e\u7684\u5bc6\u7801<\/span>
                                                      \n[root@www ~]# tail \/var\/log\/secure<\/span>
                                                      \nJul 25 13:14:05 www sshd[2039]: pam_unix(sshd:auth): authentication failure;
                                                      \nlogname= uid=0 euid=0 tty=ssh ruser= rhost=localhost user=root
                                                      \n# \u4f60\u4f1a\u53d1\u73b0\u51fa\u73b0\u8fd9\u4e2a\u9519\u8bef\u8baf\u606f，\u800c\u4e0d\u662f\u5bc6\u7801\u8f93\u5165\u9519\u8bef\u800c\u5df2\u3002<\/span><\/p>\n

                                                      [root@www ~]# ssh sshnot1@localhost<\/span> <==\u5e76\u8bf7\u8f93\u5165\u6b63\u786e\u7684\u5bc6\u7801<\/span>
                                                      \n[root@www ~]# tail \/var\/log\/secure<\/span>
                                                      \nJul 25 13:15:53 www sshd[2061]: User sshnot1 from localhost not allowed because
                                                      \na group is listed in DenyGroups<\/span><\/p>\n

                                                      [root@www ~]# ssh testssh@localhost<\/span> <==\u5e76\u8bf7\u8f93\u5165\u6b63\u786e\u7684\u5bc6\u7801<\/span>
                                                      \n[root@www ~]# tail \/var\/log\/secure<\/span>
                                                      \nJul 25 13:17:16 www sshd[2074]: User testssh from localhost not allowed
                                                      \nbecause listed in DenyUsers<\/span>
                                                      \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                      \u4ece\u4e0a\u9762\u7684\u7ed3\u679c\u6765\u770b，\u4f60\u5c31\u4f1a\u53d1\u73b0\u5230，\u4e0d\u540c\u7684\u767b\u5165\u8d26\u53f7\u4f1a\u4ea7\u751f\u4e0d\u4e00\u6837\u7684\u767b\u5f55\u6863\u7ed3\u679c\u3002\u56e0\u6b64，\u5f53\u4f60\u8001\u662f\u65e0\u6cd5\u987a\u5229\u4f7f\u7528 ssh \u767b\u5165\u67d0\u4e00\u90e8\u4e3b\u673a\u65f6，\u8bb0\u5f97\u5230\u8be5\u670d\u52a1\u5668\u4e0a\u53bb\u68c0\u67e5\u770b\u770b\u767b\u5f55\u6863，\u8bf4\u4e0d\u5b9a\u5c31\u4f1a\u987a\u5229\u7684\u8ba9\u4f60\u89e3\u51b3\u95ee\u9898\u5570！\u5728\u6211\u4eec\u7684\u6d4b\u8bd5\u673a\u4e0a\u9762，\u8bf7\u8fd8\u662f\u653e\u884c root \u7684\u767b\u5165\u5594！<\/span><\/span><\/span> \u00a0<\/p>\n

                                                        \n
                                                      • \n
                                                        \n

                                                        \/etc\/hosts.allow \u53ca \/etc\/hosts.deny<\/span><\/span><\/li>\n<\/ul>\n

                                                        \u4e3e\u4f8b\u6765\u8bf4，\u4f60\u7684 sshd \u53ea\u60f3\u8ba9\u672c\u673a\u4ee5\u53ca\u533a\u7f51\u5185\u7684\u4e3b\u673a\u6765\u6e90\u80fd\u591f\u767b\u5165\u7684\u8bdd，\u90a3\u5c31\u8fd9\u6837\u4f5c：<\/span><\/span><\/p>\n\n\n\n
                                                        [root@www ~]# vim \/etc\/hosts.allow<\/span>
                                                        \nsshd: 127.0.0.1 192.168.1.0\/255.255.255.0 192.168.100.0\/255.255.255.0<\/p>\n

                                                        [root@www ~]# vim \/etc\/hosts.deny<\/span>
                                                        \nsshd : ALL
                                                        \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                        \u00a0 <\/p>\n

                                                          \n
                                                        • \n
                                                          \n

                                                          iptables \u5c01\u5305\u8fc7\u6ee4\u9632\u706b\u5899<\/span><\/span><\/li>\n<\/ul>\n

                                                          \u591a\u51e0\u5c42\u4fdd\u62a4\u4e5f\u5f88\u597d\u7684！\u6240\u4ee5\u4e5f\u53ef\u4ee5\u4f7f\u7528 iptables \u5594！ \u53c2\u8003：\u7b2c\u4e5d\u7ae0\u3001\u9632\u706b\u5899\u4e0e NAT \u670d\u52a1\u5668\u5185\u7684\u5b9e\u9645\u811a\u672c\u7a0b\u5e8f，\u4f60\u5e94\u8be5\u5728 iptables.rule \u5185\u5c06 port 22 \u7684\u653e\u884c\u529f\u80fd\u53d6\u6d88，\u7136\u540e\u518d\u5230 iptables.allow \u91cc\u9762\u65b0\u589e\u8fd9\u884c：<\/span><\/span><\/p>\n\n\n\n
                                                          [root@www ~]# vim \/usr\/local\/virus\/iptables\/iptables.allow<\/span>
                                                          \niptables -A INPUT -i $EXTIF -s 192.168.1.0\/24 -p tcp –dport 22 -j ACCEPT
                                                          \niptables -A INPUT -i $EXTIF -s 192.168.100.0\/24 -p tcp –dport 22 -j ACCEPT<\/p>\n

                                                          [root@www ~]# \/usr\/local\/virus\/iptables\/iptables.rule<\/span>
                                                          \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                          \u4e0a\u8ff0\u7684\u65b9\u6cd5\u5904\u7406\u5b8c\u6bd5\u540e，\u5982\u679c\u4f60\u8fd8\u662f\u4e00\u90e8\u6d4b\u8bd5\u673a，\u90a3\u4e48\u8bb0\u5f97\u8981\u5c06\u8bbe\u5b9a\u503c\u8fd8\u539f\u56de\u6765\u5466！\u6700\u540e， \u300e\u9e1f\u54e5\u547c\u5401\u5927\u5bb6，\u4e0d\u8981\u5f00\u653e SSH \u7684\u767b\u5165\u6743\u9650\u7ed9\u6240\u6709 Internet \u4e0a\u9762\u7684\u4e3b\u673a～<\/span>\u300f \u8fd9\u5f88\u91cd\u8981\u5594～\u56e0\u4e3a\u5982\u679c\u5bf9\u65b9\u53ef\u4ee5 ssh \u8fdb\u5165\u4f60\u7684\u4e3b\u673a，\u90a3\u4e48…\u592a\u5371\u9669\u4e86～<\/span><\/span><\/p>\n

                                                          \n

                                                          \"\u5927\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                                                          11.3 \u6700\u539f\u59cb\u56fe\u5f62\u63a5\u53e3： Xdmcp \u670d\u52a1\u7684\u542f\u7528<\/span><\/span><\/p>\n

                                                          \u8003\u8651\u4e00\u4e2a\u60c5\u51b5，\u5982\u679c\u4f60\u7684 Linux \u4e3b\u673a\u4e3b\u8981\u662f\u7528\u6765\u4f5c\u4e3a\u56fe\u5f62\u5904\u7406\u65f6，\u800c\u4e14\u540c\u65f6\u6709\u591a\u4eba\u9700\u8981\u7528\u5230\u90a3\u4e2a\u529f\u80fd， \u90a3\u4e48\u4e00\u90e8 Linux \u662f\u5426\u4e00\u6b21\u4ec5\u80fd\u63d0\u4f9b\u4e00\u4e2a\u4eba\u5904\u7406\u90a3\u4e2a\u8f6f\u4ef6\u5462？\u563f\u563f！\u90a3\u53ef\u4e0d\u4e00\u5b9a\u5594！\u56e0\u4e3a Linux \u6709\u76f8\u5f53\u4f18\u79c0\u7684 X Window System \u554a！\u73b0\u5728\u5c31\u6765\u8c08\u8c08\u7b2c\u4e00\u4e2a\u56fe\u5f62\u63a5\u53e3\u7684\u8fdc\u7a0b\u8054\u673a\u670d\u52a1\u5668\u5427！<\/span><\/span> \u00a0<\/p>\n

                                                          \n

                                                          <\/span><\/span> <\/p>\n

                                                          \"\u5c0f\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                                                          11.3.1 X Window \u7684 Server\/Client \u67b6\u6784\u4e0e\u5404\u7ec4\u4ef6<\/span><\/span><\/span> <\/p>\n

                                                          \u7531\u4e8e\u6211\u4eec Linux \u4f7f\u7528\u7684\u56fe\u5f62\u63a5\u53e3\u662f\u6240\u8c13\u7684 X-Window System \u7684\u4e1c\u897f，\u8fd9\u73a9\u610f\u513f\u662f\u80fd\u591f\u8de8\u5e73\u53f0\u7684，\u76ee\u524d\u5728 Linux \u4e0a\u5934\u5f00\u53d1\u7684\u56fe\u5f62\u63a5\u53e3\u8f6f\u4ef6，\u51e0\u4e4e\u90fd\u662f\u4f7f\u7528\u8fd9\u4e2a X \u7684\u67b6\u6784\u6765\u5904\u7406，\u6240\u4ee5\u5570，\u4f60\u5c31\u4e0d\u80fd\u591f\u4e0d\u77e5\u9053 X Window \u5566！ \u6211\u4eec\u5728\u57fa\u7840\u7bc7\u7b2c\u4e09\u7248\u7684\u4e8c\u5341\u56db\u7ae0\u5df2\u7ecf\u8bb2\u8fc7\u00a0X Window\u00a0\u5566， \u56e0\u6b64\u8fd9\u91cc\u53ea\u4f1a\u4f5c\u4e2a\u7b80\u5355\u7684\u4ecb\u7ecd，\u4ee5\u65b9\u4fbf\u5927\u5bb6\u6765\u4e86\u89e3\u4e3a\u4f55\u6211\u4eec\u7684\u8f6f\u4ef6\u662f\u8fd9\u4e48\u5b89\u88c5\u4e0e\u8bbe\u5b9a\u5594！<\/span><\/span><\/p>\n

                                                          X Window System \u5728\u8fd0\u4f5c\u7684\u8fc7\u7a0b\u4e2d，\u53c8\u56e0\u63a7\u5236\u7684\u6570\u636e\u4e0d\u540c\u800c\u5206\u4e3a X Server \u4e0e X Client \u4e24\u79cd\u7a0b\u5e8f，\u867d\u7136\u8bf4\u662f X Server\/Client ， \u4f46\u662f\u4ed6\u7684\u4f5c\u7528\u5374\u4e0e\u7f51\u7edc\u4e3b\u673a\u7684 Server\/Client \u67b6\u6784\u5927\u5f02\u5176\u8da3\u5594～\u5148\u6765\u8bf4\u8bf4 X Server\/Client \u8fd9\u4e24\u79cd\u7a0b\u5e8f\u6240\u8d1f\u8d23\u7684\u4efb\u52a1\u5148：<\/span><\/span><\/p>\n

                                                            \n
                                                          • X Server： \u8fd9\u7ec4\u7a0b\u5e8f\u4e3b\u8981\u8d1f\u8d23\u7684\u662f\u5c4f\u5e55\u753b\u9762\u7684\u7ed8\u5236\u4e0e\u663e\u793a<\/span>\u3002 X Server \u53ef\u4ee5\u63a5\u6536\u6765\u81ea X client \u7684\u6570\u636e，\u5c06\u8fd9\u4e9b\u6570\u636e\u7ed8\u5236\u5448\u73b0\u4e3a\u56fe\u9762\u5728\u5c4f\u5e55\u4e0a\u3002 \u6b64\u5916，\u6211\u4eec\u79fb\u52a8\u9f20\u6807\u3001\u70b9\u51fb\u6570\u636e\u3001\u7531\u952e\u76d8\u8f93\u5165\u6570\u636e\u7b49\u7b49，\u4e5f\u4f1a\u900f\u8fc7 X Server \u6765\u4f20\u8fbe\u5230 X Client \u7aef，\u800c\u7531 X Client \u6765\u52a0\u4ee5\u8fd0\u7b97\u51fa\u5e94\u7ed8\u5236\u7684\u6570\u636e；<\/span><\/span> \u00a0<\/li>\n
                                                          • X Client： \u8fd9\u7ec4\u7a0b\u5e8f\u4e3b\u8981\u8d1f\u8d23\u7684\u662f\u6570\u636e\u7684\u8fd0\u7b97\u3002<\/span>\u00a0X Client \u5728\u63a5\u53d7\u5230 X Server \u4f20\u6765\u7684\u6570\u636e\u540e (\u4f8b\u5982\u79fb\u52a8\u9f20\u6807\u3001\u70b9\u51fb icon \u7b49\u52a8\u4f5c)，\u4f1a\u7ecf\u7531\u672c\u8eab\u7684\u8fd0\u7b97\u800c\u5f97\u5230\u9f20\u6807\u5e94\u8be5\u8981\u5982\u4f55\u79fb\u52a8\u3001 \u70b9\u51fb\u7684\u7ed3\u679c\u5e94\u8be5\u8981\u51fa\u73b0\u4ec0\u4e48\u6837\u7684\u6570\u636e\u3001\u952e\u76d8\u8f93\u5165\u7684\u7ed3\u679c\u5e94\u8be5\u8981\u5982\u4f55\u5448\u73b0\u7b49\u7b49，\u7136\u540e\u5c06\u8fd9\u4e9b\u7ed3\u679c\u544a\u77e5 X Server ，\u8ba9\u4ed6\u81ea\u884c\u53bb\u7ed8\u5236\u5230\u5c4f\u5e55\u4e0a\u3002<\/span><\/span><\/li>\n<\/ul>\n\n\n\n
                                                            Tips:\u9e1f\u54e5\u5e38\u5e38\u5f00\u73a9\u7b11\u7684\u8bf4， X server \u5c31\u662f\u753b\u5e03，\u800c X client \u5c31\u662f\u624b\u62ff\u753b\u7b14\u7684\u753b\u5bb6\u3002\u4f60\u5f97\u8981\u5148\u6709\u753b\u5e03 (\u7ba1\u7406\u597d\u6240\u6709\u53ef\u663e\u793a\u7684\u786c\u4ef6\u540e) \u4e4b\u540e\u753b\u5bb6\u7684\u60f3\u6cd5 (\u8ba1\u7b97\u51fa\u6765\u7684\u7ed8\u56fe\u6570\u636e) \u624d\u80fd\u591f\u7ed8\u5236\u5230\u753b\u5e03\u4e0a！<\/span><\/span><\/span><\/td>\n\n

                                                            \"\u9e1f\u54e5\u7684\u56fe\u793a\"<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                            \u7531\u4e8e\u6bcf\u4e00\u652f X client \u90fd\u662f\u72ec\u7acb\u5b58\u5728\u7684\u7a0b\u5e8f，\u56e0\u6b64\u5728\u56fe\u5f62\u663e\u793a\u4f1a\u53d1\u751f\u4e00\u4e9b\u8fed\u56fe\u7684\u95ee\u9898 (\u60f3\u8c61\u4e00\u4e0b\u6bcf\u4e00\u4e2a X client \u90fd\u662f\u4e00\u4e2a\u5f88\u81ea\u6211\u7684\u753b\u5bb6， \u6bcf\u4e2a\u753b\u5bb6\u90fd\u4e0d\u627f\u8ba4\u5bf9\u65b9\u7684\u5b58\u5728，\u90fd\u81ea\u987e\u81ea\u7684\u5728\u753b\u5e03\u4e0a\u9762\u4f5c\u753b，\u6700\u540e\u7684\u7ed3\u679c\u4f1a\u662f\u5982\u4f55？)\u3002\u56e0\u6b64，\u540e\u6765\u5c31\u6709\u4e00\u7ec4\u7279\u6b8a\u7684 X client \u5728\u8fdb\u884c\u7ba1\u7406\u6240\u6709\u7684\u5176\u4ed6 X client \u7a0b\u5e8f，\u8fd9\u4e2a\u603b\u7ba1\u7684\u549a\u549a\u5c31\u662f Window Manager！<\/span><\/span><\/p>\n

                                                              \n
                                                            • Window Manager (WM)：\u662f\u4e00\u7ec4\u63a7\u5236\u6240\u6709 X client \u7684\u7ba1\u7406\u7a0b\u5e8f，\u5e76\u540c\u65f6\u63d0\u4f9b\u4f8b\u5982\u4efb\u52a1\u680f\u3001 \u80cc\u666f\u684c\u9762\u3001\u865a\u62df\u684c\u9762\u3001\u7a97\u53e3\u5927\u5c0f\u3001\u7a97\u53e3\u79fb\u52a8\u4e0e\u91cd\u8fed\u663e\u793a\u7b49\u4efb\u52a1<\/span>\u3002Window manager \u4e3b\u8981\u7531\u4e00\u4e9b\u5927\u578b\u7684\u8ba1\u5212\u6848\u6240\u5f00\u53d1\u800c\u6765，\u5e38\u89c1\u7684\u6709 GNOME, KDE, XFCE \u7b49<\/span><\/span><\/li>\n<\/ul>\n

                                                              \u65e2\u7136 X Window System \u662f Linux \u4e0a\u9762\u7684\u4e00\u7ec4\u7a0b\u5e8f，\u90a3\u4e48\u5b83\u5982\u4f55\u542f\u52a8\u7684\u5462？\u65e9\u671f\u7684\u7528\u6237\u5728\u767b\u5165\u7cfb\u7edf\u540e，\u5fc5\u987b\u8981\u81ea\u5df1\u5148\u542f\u52a8 X server \u7a0b\u5e8f，\u7136\u540e\u518d\u542f\u52a8\u4e2a\u522b\u7684 Window manager ，\u82e5\u6709\u5176\u4ed6\u9700\u6c42，\u518d\u542f\u52a8\u5176\u4ed6\u989d\u5916\u7684 X client \u5c31\u662f\u4e86\u3002\u8fd9\u4e48\u9ebb\u70e6！\u6240\u4ee5\u4e3a\u4e86\u7b80\u5316\u542f\u52a8\u4e2a\u4eba\u56fe\u5f62\u63a5\u53e3\u7684\u6b65\u9aa4，\u540e\u6765\u8fd8\u6709\u6240\u8c13\u7684 Display Manager (DM) \u8fd9\u73a9\u610f\u5594！<\/span><\/span><\/p>\n

                                                                \n
                                                              • Display Manager (DM)：\u63d0\u4f9b\u4f7f\u7528\u8005\u767b\u5165\u7684\u753b\u9762\u4ee5\u8ba9\u7528\u6237\u53ef\u4ee5\u85c9\u7531\u56fe\u5f62\u63a5\u53e3\u767b\u5165\u3002<\/span>\u00a0\u5728\u4f7f\u7528\u8005\u767b\u5165\u540e，\u53ef\u900f\u8fc7 display manager \u7684\u529f\u80fd\u53bb\u547c\u53eb\u5176\u4ed6\u7684 Window manager ，\u8ba9\u7528\u6237\u5728\u56fe\u5f62\u63a5\u53e3\u7684\u767b\u5165\u8fc7\u7a0b\u53d8\u5f97\u66f4\u7b80\u5355\u3002 \u7531\u4e8e DM \u4e5f\u662f\u542f\u52a8\u4e00\u4e2a\u7b49\u5f85\u8f93\u5165\u8d26\u53f7\u5bc6\u7801\u7684\u56fe\u5f62\u6570\u636e，\u56e0\u6b64 DM \u4f1a\u4e3b\u52a8\u53bb\u5524\u9192\u4e00\u4e2a X Server \u7136\u540e\u5728\u4e0a\u5934\u52a0\u8f7d\u7b49\u5f85\u8f93\u5165\u7684\u753b\u9762\u5c31\u662f\u4e86\u3002<\/span><\/span><\/li>\n<\/ul>\n

                                                                \u5728\u76ee\u524d\u65b0\u91ca\u51fa\u7684 Linux distributions \u4e2d，\u901a\u5e38\u542f\u52a8\u56fe\u5f62\u63a5\u53e3\u8ba9\u7528\u6237\u767b\u5165\u7684\u65b9\u5f0f\u4e2d，\u90fd\u662f\u5148\u6267\u884c Display Manager \u7a0b\u5e8f， \u8be5\u7a0b\u5e8f\u4f1a\u4e3b\u52a8\u52a0\u8f7d\u4e00\u4e2a X Server \u7a0b\u5e8f，\u7136\u540e\u518d\u63d0\u4f9b\u4e00\u4e2a\u7b49\u5f85\u8f93\u5165\u8d26\u53f7\u5bc6\u7801\u7684\u63a5\u53e3\u7a0b\u5e8f，\u4e4b\u540e\u518d\u6839\u636e\u7528\u6237\u7684\u9009\u62e9\u53bb\u542f\u52a8\u6240\u9700\u8981\u7684 Window Manager \u7a0b\u5e8f，\u6700\u540e\u5c31\u7531\u7528\u6237\u76f4\u63a5\u64cd\u4f5c WM \u6765\u73a9\u56fe\u5f62\u63a5\u53e3\u5570\u3002<\/span><\/span><\/p>\n\n\n\n
                                                                \u4f8b\u9898：<\/span><\/span> <\/p>\n

                                                                \u5728 CentOS 6.x \u5f53\u4e2d，\u82e5\u9884\u8bbe\u4e3a init 5 \u7684\u60c5\u51b5\u4e0b，\u90a3\u4e48\u6700\u7ec8\u542f\u52a8\u56fe\u5f62\u63a5\u53e3\u7684\u662f\u54ea\u4e00\u53ea\u7a0b\u5e8f？<\/span><\/span>
                                                                \n \u7b54：<\/span><\/span> <\/p>\n

                                                                \u5206\u6790 \/etc\/init\/* \u5f53\u4e2d\u7684\u6863\u6848，\u4f1a\u53d1\u73b0\u6709\u4e2a\u6863\u6848\u7684\u5185\u5bb9\u662f\u8fd9\u6837：<\/span><\/span>
                                                                \n [root@www ~]# cat \/etc\/init\/prefdm.conf
                                                                \nstart on stopped rc RUNLEVEL=5
                                                                \nstop on starting rc RUNLEVEL=[!5]
                                                                \nconsole output
                                                                \nrespawn
                                                                \nrespawn limit 10 120
                                                                \nexec \/etc\/X11\/prefdm -nodaemon<\/span><\/span>
                                                                \n \u4f60\u53ef\u4ee5\u5206\u6790 \/etc\/X11\/prefdm \u7684\u5185\u5bb9，\u5c31\u80fd\u591f\u53d1\u73b0\u5176\u5b9e\u8be5\u884c\u542f\u52a8\u7684\u5c31\u662f\u4e00\u4e2a X display manager \u7a0b\u5e8f\u4e86\u5594！<\/span><\/span>\n <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                \u00a0 <\/p>\n\n\n\n
                                                                \u4f8b\u9898：<\/span><\/span> <\/p>\n

                                                                \u767b\u5165 init 5 \u7684 CentOS 6.x \u4e4b\u524d，\u5148\u5230 tty1 \u53bb\u67e5\u9605\u4e00\u4e0b X server \u662f\u7531\u54ea\u4e00\u652f\u7a0b\u5e8f\u6240\u5524\u9192\u7684？<\/span><\/span>
                                                                \n \u7b54：<\/span><\/span> <\/p>\n

                                                                \u6211\u4eec\u53ef\u4ee5\u900f\u8fc7 pstree \u6765\u89c2\u5bdf\u7a0b\u5e8f\u95f4\u7684\u76f8\u5173\u6027\u5594！\u540c\u65f6\u6ce8\u610f，\u9884\u8bbe\u7684 CentOS 6.x \u7684 X server \u7a0b\u5e8f\u540d\u79f0\u4e3a Xorg \u7684\u54e9\u3002<\/span><\/span> <\/p>\n\n\n\n
                                                                [root@www ~]# pstree -p<\/span>
                                                                \ninit(1)-+-NetworkManager(1086)
                                                                \n….(\u4e2d\u95f4\u7701\u7565)….<\/span>
                                                                \n |-gdm-binary(2642)—gdm-simple-slav(2661)-+-Xorg(2663)
                                                                \n | |-gdm-session-wor(2746)
                                                                \n….(\u540e\u9762\u7701\u7565)….<\/span>
                                                                \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                \u7531\u4e0a\u8ff0\u7684\u6570\u636e\u6765\u770b，gdm-binary \u53ef\u4ee5\u5524\u9192 Xorg \u5594！\u540c\u7406，\u6211\u4eec\u4e5f\u4f1a\u77e5\u9053\u63d0\u4f9b\u8ba4\u8bc1\u7684\u56fe\u5f62\u753b\u9762\u5e94\u8be5\u662f\u7531 gdm-session \u6240\u63d0\u4f9b\u7684\u5594！<\/span><\/span>\n <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                \u00a0 <\/p>\n

                                                                  \n
                                                                • \n
                                                                  \n

                                                                  X Window System \u7528\u5728\u7f51\u7edc\u4e0a\u7684\u65b9\u5f0f： XDMCP<\/span><\/span><\/li>\n<\/ul>\n

                                                                  \u5f53 X server, X client \u90fd\u5728\u540c\u4e00\u90e8\u4e3b\u673a\u4e0a\u9762\u7684\u65f6\u5019，\u4f60\u53ef\u4ee5\u5f88\u8f7b\u677e\u7684\u542f\u52a8\u4e00\u4e2a\u5b8c\u6574\u7684 X Window System\u3002 \u4f46\u662f\u5982\u679c\u4f60\u60f3\u8981\u900f\u8fc7\u8fd9\u4e2a\u673a\u5236\u5728\u7f51\u7edc\u4e0a\u9762\u542f\u52a8 X \u5462？\u6b64\u65f6\u4f60\u5f97\u5148\u5728\u5ba2\u6237\u7aef\u542f\u52a8\u4e00\u4e2a X server \u5c06\u56fe\u5f62\u63a5\u53e3\u7ed8\u56fe\u6240\u9700\u8981\u7684\u786c\u4ef6\u88c5\u7f6e\u914d\u7f6e\u597d， \u5e76\u4e14\u542f\u52a8\u4e00\u4e2a X server \u5e38\u89c1\u7684\u63a5\u6536\u57e0\u53e3 (\u901a\u5e38\u662f port 6000)，\u7136\u540e\u518d\u7531\u670d\u52a1\u5668\u7aef\u7684 X client \u53d6\u5f97\u7ed8\u56fe\u6570\u636e，\u518d\u5c06\u6570\u636e\u7ed8\u5236\u6210\u56fe\u5570\u3002 \u900f\u8fc7\u8fd9\u4e2a\u673a\u5236，\u4f60\u53ef\u4ee5\u5728\u4efb\u4f55\u4e00\u90e8\u542f\u52a8 X server \u767b\u5165\u670d\u52a1\u5668\u5594！\u800c\u4e14\u4e0d\u7ba1\u4f60\u7684\u64cd\u4f5c\u7cfb\u7edf\u662f\u5565\u5462！\u610f\u4e49\u5c31\u50cf\u4e0b\u56fe， \u5982\u6b64\u4e00\u6765，\u4f60\u5c31\u53ef\u4ee5\u53d6\u5f97\u670d\u52a1\u5668\u6240\u63d0\u4f9b\u7684\u56fe\u5f62\u63a5\u53e3\u73af\u5883\u5566！<\/span><\/span><\/p>\n

                                                                  \"X<\/p>\n

                                                                  \u56fe 11.3-1\u3001X server\/client \u7684\u67b6\u6784<\/span><\/span><\/p>\n

                                                                  \u4f46\u662f\u5982\u679c\u4f60\u662f\u4f7f\u7528\u6700\u7b28\u7684\u65b9\u6cd5\u5728\u5ba2\u6237\u7aef\u81ea\u5df1\u542f\u52a8 X server ，\u7136\u540e\u5728\u544a\u8bc9\u670d\u52a1\u5668\u5c06 X client \u7a0b\u5e8f\u4e00\u4e2a\u4e00\u4e2a\u7684\u52a0\u8f7d\u56de\u6765， \u90a3\u5c31\u592a\u7d2f\u4eba\u4e86\u5427！\u6211\u4eec\u4e4b\u524d\u4e0a\u9762\u4e0d\u662f\u63d0\u5230\u8fc7\u53ef\u4ee5\u7528 display manager \u6765\u7ba1\u7406\u4f7f\u7528\u8005\u7684\u767b\u5165\u4e0e\u542f\u52a8 X \u5417？\u90a3\u670d\u52a1\u5668\u80fd\u4e0d\u80fd\u63d0\u4f9b\u4e00\u4e2a\u7c7b\u4f3c\u7684\u670d\u52a1， \u90a3\u6211\u4eec\u76f4\u63a5\u900f\u8fc7\u670d\u52a1\u5668\u7684 display manager \u5c31\u80fd\u591f\u63d0\u4f9b\u6211\u4eec\u767b\u5165\u7684\u8ba4\u8bc1\u4e0e\u52a0\u8f7d\u81ea\u5df1\u9009\u62e9\u7684 window manager \u7684\u8bdd，\u8fd9\u6837\u5c31\u592a\u68d2\u4e86！ \u80fd\u591f\u8fbe\u5230\u5417？\u5f53\u7136\u53ef\u4ee5\u554a！\u90a3\u5c31\u662f\u900f\u8fc7 Xdmcp (X display manager control protocol) (\u6ce83) \u5566！<\/span><\/span><\/p>\n

                                                                  Xdmcp \u542f\u52a8\u540e\u4f1a\u5728\u670d\u52a1\u5668\u7684 udp 177 \u5f00\u59cb\u76d1\u542c，\u7136\u540e\u5f53\u5ba2\u6237\u7aef\u7684 X server \u8054\u673a\u5230\u670d\u52a1\u5668\u7684 port 177 \u4e4b\u540e， \u6211\u4eec\u7684 Xdmcp \u5c31\u4f1a\u5728\u5ba2\u6237\u7aef\u7684 X server \u653e\u4e0a\u7528\u6237\u8f93\u5165\u8d26\u5bc6\u7684\u56fe\u5f62\u63a5\u53e3\u7a0b\u5e8f\u5570！\u90a3\u4f60\u5c31\u80fd\u900f\u8fc7\u8fd9\u4e2a Xdmcp \u53bb\u52a0\u8f7d\u670d\u52a1\u5668\u6240\u63d0\u4f9b\u7684\u7c7b\u4f3c Window Manager \u7684\u76f8\u5173 X client \u5570！\u90a3\u4f60\u5c31\u80fd\u591f\u53d6\u5f97\u56fe\u5f62\u63a5\u53e3\u7684\u8fdc\u7a0b\u8054\u673a\u670d\u52a1\u5668\u54e9！\u8d5e\u5427！<\/span><\/span><\/span><\/p>\n

                                                                  \u90a3\u4e48\u4ec0\u4e48\u65f6\u5019\u4f1a\u51fa\u73b0\u591a\u4f7f\u7528\u8005\u8fde\u5165\u670d\u52a1\u5668\u53d6\u5f97 X \u7684\u60c5\u51b5\u5462？\u4ee5\u9e1f\u54e5\u7684\u4f8b\u5b50\u6765\u8bf4，\u9e1f\u54e5\u5b9e\u9a8c\u5ba4\u6709\u4e00\u7ec4 Linux \u5728\u8fdb\u884c\u6570\u503c\u6a21\u62df， \u4ed6\u8f93\u51fa\u7684\u7ed3\u679c\u662f NetCDF \u6863\u6848，\u6211\u4eec\u5fc5\u987b\u4f7f\u7528 PAVE \u8fd9\u4e00\u5957\u8f6f\u4ef6\u53bb\u5904\u7406\u8fd9\u4e9b\u6570\u636e\u3002\u4f46\u662f\u6211\u4eec\u6709\u4e24\u4e09\u4e2a\u4eba\u540c\u65f6\u90fd\u4f1a\u4f7f\u7528\u5230\u90a3\u4e2a\u529f\u80fd， \u504f\u504f Linux \u4e3b\u673a\u662f\u653e\u5728\u673a\u67b6\u67dc\u91cc\u9762\u7684，\u8981\u6211\u4eec\u6324\u5728\u90a3\u4e2a\u5c0f\u5c0f\u7684\u7a7a\u95f4\u524d\u9762\u300e\u7ad9\u7740\u300f\u64cd\u4f5c\u8ba1\u7b97\u673a，\u53ef\u771f\u662f\u8ba8\u4eba\u538c\u554a～ \u8fd9\u4e2a\u65f6\u5019，\u6211\u4eec\u5c31\u4f1a\u67b6\u8bbe\u56fe\u5f62\u63a5\u53e3\u7684\u8fdc\u7a0b\u767b\u5f55\u670d\u52a1\u5668，\u8ba9\u6211\u4eec\u53ef\u4ee5\u300e\u591a\u4eba\u540c\u65f6\u4ee5\u56fe\u5f62\u63a5\u53e3\u767b\u5165 Linux \u4e3b\u673a<\/span>\u300f\u6765\u64cd\u4f5c\u6211\u4eec\u81ea\u5df1\u7684\u7a0b\u5e8f！\u5f88\u68d2，\u4e0d\u662f\u5417！<\/span><\/span><\/p>\n

                                                                  \n

                                                                  <\/span><\/span> <\/p>\n

                                                                  \"\u5c0f\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                                                                  11.3.2 \u8bbe\u5b9a gdm \u7684 XDMCP \u670d\u52a1<\/span><\/span><\/span> <\/p>\n

                                                                  \u65e2\u7136\u662f\u6240\u8c13\u7684 Xdmcp \u534f\u8bae，\u90a3\u4e48\u662f\u5426\u610f\u5473\u7740\u4e0e X display manager \u6709\u5173\u5462？\u6ca1\u9519\u5566！ Xdmcp \u534f\u8bae\u662f\u7531 DM \u7a0b\u5e8f\u6240\u63d0\u4f9b\u7684\u3002 \u6211\u4eec\u7684 CentOS \u9884\u8bbe\u7684 DM \u4e3a GNOME \u8fd9\u4e2a\u8ba1\u5212\u6240\u63d0\u4f9b\u7684 gdm \u54e9！\u56e0\u6b64，\u4f60\u60f3\u8981\u542f\u52a8 Xdmcp \u670d\u52a1，\u90a3\u5c31\u5f97\u8981\u9488\u5bf9 gdm \u8fd9\u4e2a\u7a0b\u5e8f\u6765\u8bbe\u5b9a\u5570\u3002 \u8fd9\u4e2a gdm \u7684\u8bbe\u5b9a\u6570\u636e\u90fd\u653e\u7f6e\u5728 \/etc\/gdm\/ \u76ee\u5f55\u4e0b，\u800c\u6211\u4eec\u6240\u8981\u4fee\u6539\u7684\u914d\u7f6e\u6587\u4ef6\u5176\u5b9e\u4ec5\u662f\u4e00\u4e2a \/etc\/gdm\/custom.conf (\u6ce84) \u6863\u6848\u800c\u5df2\u3002<\/span><\/span><\/p>\n\n\n\n
                                                                  Tips:X11 \u63d0\u4f9b\u7684 display manager \u4e3a xdm ，\u800c\u8457\u540d\u7684 KDE \u4e0e GNOME \u4e5f\u90fd\u6709\u81ea\u5df1\u7684 display manager \u7ba1\u7406\u7a0b\u5e8f，\u5206\u522b\u662f kdm \u4e0e gdm \u3002\u4f60\u53ef\u4ee5\u900f\u8fc7\u4e09\u8005\u4e2d\u4efb\u4f55\u4e00\u8005\u7684 display manager \u7684\u914d\u7f6e\u6587\u4ef6\u6765\u542f\u52a8 xdmcp \u8fd9\u4e2a\u534f\u5b9a\u5462～<\/span><\/span><\/span><\/td>\n\n

                                                                  \"\u9e1f\u54e5\u7684\u56fe\u793a\"<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                  \u4e0d\u8fc7，\u56e0\u4e3a\u6211\u4eec\u5b89\u88c5\u7684\u57fa\u51c6\u662f\u300eBasic server\u300f，\u6240\u4ee5\u5f88\u591a\u56fe\u5f62\u63a5\u53e3\u8f6f\u4ef6\u5e76\u6ca1\u6709\u88ab\u5b89\u88c5\u8d77\u6765\u3002\u56e0\u6b64，\u5728\u5b9e\u4f5c Xdmcp \u4e4b\u524d，\u6211\u4eec\u5f97\u5148\u5b89\u88c5\u56fe\u5f62\u63a5\u53e3\u624d\u884c\u5594！\u4f7f\u7528 yum groupinstall \u6765\u5b89\u88c5\u5427！<\/span><\/span><\/p>\n\n\n\n
                                                                  # \u5148\u68c0\u67e5\u770b\u770b\u4e0e X \u76f8\u5173\u7684\u8f6f\u4ef6\u7fa4\u7ec4\u6709\u54ea\u4e9b？<\/span>
                                                                  \n[root@www ~]# yum grouplist<\/span>
                                                                  \n Desktop
                                                                  \n Desktop Platform
                                                                  \n X Window System
                                                                  \n# \u8fd9\u4e09\u4e2a\u7b97\u662f\u6700\u91cd\u8981\u7684\u9879\u76ee\u4e86！\u5f97\u8981\u5b89\u88c5\u8d77\u6765\u624d\u884c\u5594！gdm \u662f\u5728 Destop \u4e2d！ <\/span><\/p>\n

                                                                  [root@www ~]# yum groupinstall "Desktop" "Desktop Platform" \\\\<\/span>
                                                                  \n> "X Window System"<\/span>
                                                                  \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                  \u4e0a\u9762\u8fdb\u884c\u5b8c\u6bd5\u540e，\u73b0\u5728\u624d\u80fd\u5f00\u59cb\u641e\u5b9a custom.conf \u5566！\u6765\u8bd5\u73a9\u770b\u770b！<\/span><\/span><\/p>\n\n\n\n
                                                                  [root@www ~]# vim \/etc\/gdm\/custom.conf<\/span>
                                                                  \n[security] <==\u5728\u4e0e\u8d44\u5b89\u65b9\u9762\u6709\u5173\u7684\u4fe1\u606f，\u5927\u591a\u6307\u767b\u5f55\u76f8\u5173\u4e8b\u5b9c<\/span>
                                                                  \nAllowRemoteRoot=yes <==xdmcp \u9884\u8bbe\u4e0d\u8bb8 root \u767b\u5165，\u5f97\u7528\u8fd9\u4e2a\u9879\u76ee\u624d\u80fd\u4ee5 root \u767b\u5165<\/span>
                                                                  \nDisallowTCP=false <==\u8fd9\u4e2a\u9879\u76ee\u5728\u5141\u8bb8\u5ba2\u6237\u7aef\u4f7f\u7528 TCP \u7684\u65b9\u5f0f\u8054\u673a\u5230 xdmcp<\/span><\/span><\/p>\n

                                                                  [xdmcp] <==\u5c31\u662f\u8fd9\u4e2a\u5c0f\u8282\u7684\u91cd\u70b9\u4e4b\u4e00\u5570！<\/span>
                                                                  \nEnable=true <==\u542f\u52a8 xdmcp \u7684\u6700\u91cd\u8981\u9879\u76ee\u5570！<\/span><\/span>
                                                                  \n# \u4e0a\u8ff0\u7279\u6b8a\u5b57\u4f53\u7684\u90e8\u4efd\u5c31\u662f\u4f60\u5f97\u8981\u81ea\u5df1\u65b0\u589e\u7684\u5185\u5bb9\u5570！<\/span><\/p>\n

                                                                  [root@www ~]# init 5<\/span>
                                                                  \n# \u4e0a\u8ff0\u8fd9\u4e2a\u6307\u4ee4\u4f1a\u5207\u6362\u5230 X \u56fe\u5f62\u753b\u9762，\u5982\u679c\u786e\u5b9a\u8981\u4f7f\u7528 gdm，runlevel \u5f97\u8c03\u6574\u5230 5 \u624d\u597d
                                                                  \n# \u679c\u771f\u5982\u6b64\u7684\u8bdd，\u90a3\u5c31\u5f97\u8981\u8c03\u6574 \/etc\/inittab \u5570！<\/span><\/p>\n

                                                                  [root@www ~]# netstat -tulnp<\/span>
                                                                  \nActive Internet connections (only servers)
                                                                  \nProto Recv-Q Send-Q Local Address Foreign Address State PID\/Program name
                                                                  \ntcp 0 0 0.0.0.0:6000 0.0.0.0:* LISTEN 4557\/Xorg
                                                                  \ntcp 0 0 :::6000 :::* LISTEN 4557\/Xorg
                                                                  \nudp 0 0 0.0.0.0:177<\/span> 0.0.0.0:* 4536\/gdm-binary
                                                                  \n# \u4e0a\u8ff0\u7684 port 6000 \u662f\u7531 DisallowTCP=false \u9879\u76ee\u542f\u52a8\u7684，port 177 \u624d\u662f\u6211\u4eec\u8981\u7684<\/span>
                                                                  \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                  \u4e0a\u8ff0\u7684\u52a8\u4f5c\u9e1f\u54e5\u662f\u5728 runlevel 3 \u5e95\u4e0b\u542f\u52a8\u7684，\u5982\u679c\u4f60\u662f\u5728 runlevel 5 \u5e95\u4e0b\u65f6，\u56e0\u6b64\u4f60\u4e5f\u53ef\u4ee5\u5229\u7528\u300e init 3 && init 5 \u300f\u6765\u91cd\u65b0\u542f\u52a8\u56fe\u5f62\u63a5\u53e3\u3002\u4f46\u5982\u679c\u4f60\u662f\u5728 runlevel 3 \u5e95\u4e0b\u5e76\u4e14\u4e0d\u5e0c\u671b\u53d8\u66f4\u6210\u4e3a runlevel 5 \u5462？\u90a3\u53c8\u8be5\u5982\u4f55\u542f\u52a8 port 177 \u554a？\u5982\u679c\u662f\u8fd9\u6837\u7684\u8bdd，\u90a3\u4e48\u4f60\u53ef\u4ee5\u8fd9\u6837\u542f\u52a8 xdmcp \u5566：<\/span><\/span><\/p>\n\n\n\n
                                                                  [root@www ~]# init 3<\/span>
                                                                  \n[root@www ~]# runlevel<\/span>
                                                                  \n5 3 <==\u5de6\u8fb9\u7684\u662f\u524d\u4e00\u4e2a runlevel，\u53f3\u8fb9\u7684\u662f\u76ee\u524d\u7684，\u56e0\u6b64\u76ee\u524d\u662f runlevel 3<\/span>
                                                                  \n[root@www ~]# gdm<\/span> <==\u8fd9\u6837\u5c31\u542f\u52a8 xdmcp \u5570！<\/span>
                                                                  \n[root@www ~]# vim \/etc\/rc.d\/rc.local<\/span>
                                                                  \n\/usr\/sbin\/gdm<\/span>
                                                                  \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                  \u73b0\u5728\u4f60\u77e5\u9053\u5982\u4f55\u5728\u4e0d\u540c\u7684 runlevel \u542f\u52a8 xdmcp \u4e86\u5427？\u5982\u679c\u662f runlevel 5 ，\u56e0\u4e3a\u5728 \/etc\/inittab \u5c31\u5df2\u7ecf\u6709\u81ea\u52a8\u542f\u52a8 gdm \u4e86， \u6240\u4ee5\u4f60\u53ea\u8981\u987a\u5229\u542f\u52a8 runlevel 5 \u5373\u53ef\u3002\u4f46\u5982\u679c\u4f60\u662f\u5728 runlevel 3 \u7684\u8bdd，\u56e0\u4e3a\u8fd9\u6837 gdm \u5c31\u4e0d\u4f1a\u88ab\u7cfb\u7edf\u7684\u542f\u52a8\u6d41\u7a0b\u542f\u52a8， \u90a3\u4f60\u53ea\u597d\u81ea\u5df1\u5728 \/etc\/rc.d\/rc.local \u91cc\u9762\u6307\u5b9a\u542f\u52a8\u4ed6\u5570！\u8fd9\u6837\u4e86\u89e3\u547c？\u4e0d\u8fc7，\u65e2\u7136\u4f60\u90fd\u8981\u4f7f\u7528 xdmcp \u4e86，\u6240\u4ee5\u5efa\u8bae\u60a8\u76f4\u63a5\u542f\u52a8\u5728 runlevel 5 \u5373\u53ef！<\/span>\u63a5\u4e0b\u6765，\u4f60\u5f97\u8981\u5f00\u653e\u5ba2\u6237\u7aef\u5bf9\u4f60\u7684 port 177 \u8054\u673a\u624d\u884c！ \u8bf7\u81ea\u884c\u4fee\u6539\u4f60\u7684\u9632\u706b\u5899\u89c4\u5219，\u5f00\u653e udp port 177 \u5427！\u9e1f\u54e5\u8fd9\u91cc\u5047\u8bbe\u4f60\u4f7f\u7528\u9e1f\u54e5\u7684\u9632\u706b\u5899\u811a\u672c，\u90a3\u4f60\u8fd9\u6837\u4f5c\u5c31\u597d\u4e86：<\/span><\/span><\/p>\n\n\n\n
                                                                  [root@www ~]# vim \/usr\/local\/virus\/iptables\/iptables.rule<\/span>
                                                                  \niptables -A INPUT -p UDP -i $EXTIF –dport 177 –sport 1024:65534 \\\\<\/span>
                                                                  \n -s 192.168.100.0\/24 -j ACCEPT #xdmcp<\/span>
                                                                  \n# \u6ce8\u610f\u5594！\u7279\u70b9\u662f\u4f7f\u7528 UDP \u57e0\u53e3\u4ee5\u53ca\u52a0\u5165\u6765\u6e90\u7aef IP \u7f51\u57df\u7684\u63a7\u7ba1！<\/span><\/p>\n

                                                                  [root@www ~]# \/usr\/local\/virus\/iptables\/iptables.rule<\/span>
                                                                  \n[root@www ~]# iptables-save | grep 177<\/span>
                                                                  \n-A INPUT -s 192.168.100.0\/24 -i eth0 -p udp -m udp –sport 1024:65534 –dport 177 -j ACCEPT
                                                                  \n# \u786e\u5b9e\u6709\u5f00\u653e port 177 ，\u800c\u4e14\u662f udp \u7684\u57e0\u53e3\u5594！\u8981\u6ce8\u610f\u8fd9\u4e24\u4e2a\u9879\u76ee\u3002<\/span>
                                                                  \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                  \n

                                                                  <\/span><\/span> <\/p>\n

                                                                  \"\u5c0f\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                                                                  11.3.3 \u7528\u6237\u7cfb\u7edf\u4e3a Linux \u7684\u767b\u5165\u65b9\u5f0f<\/span><\/span><\/span> <\/p>\n

                                                                  \u7531\u4e8e Linux \u672c\u8eab\u7684\u7a97\u53e3\u5c31\u662f\u7531 X server \u63d0\u4f9b\u6765\u7684，\u56e0\u6b64\u4f7f\u7528 Linux \u767b\u5165\u8fdc\u7a0b\u7684\u56fe\u5f62\u670d\u52a1\u5668\u662f\u5f88\u7b80\u5355\u7684\u5566！ \u4f46\u662f\u56e0\u4e3a\u542f\u52a8 X \u7684\u65b9\u5f0f\u4e0d\u540c\u800c\u5df2\u6570\u79cd\u542f\u52a8\u65b9\u5f0f，\u5e95\u4e0b\u6211\u4eec\u5c31\u8bb2\u8bb2\u4e24\u4e2a\u5e38\u89c1\u7684\u542f\u52a8\u65b9\u5f0f：<\/span><\/span> \u00a0<\/p>\n

                                                                    \n
                                                                  • \n
                                                                    \n

                                                                    \u5728\u4e0d\u540c\u7684 X \u73af\u5883\u4e0b\u542f\u52a8\u8054\u673a： \u76f4\u63a5\u7528 X<\/span><\/span><\/li>\n<\/ul>\n

                                                                    \u5982\u679c\u4f60\u7684\u5ba2\u6237\u7aef\u5df2\u7ecf\u5728 runlevel 5 \u4e86，\u56e0\u6b64\u5176\u5b9e\u4f60\u5df2\u7ecf\u6709\u4e00\u4e2a X \u7a97\u53e3\u7684\u73af\u5883，\u8fd9\u4e2a\u73af\u5883\u7684\u663e\u793a\u7ec8\u7aef\u673a\u5c31\u79f0\u4e3a\u300e :0 \u300f\u3002 \u5728 CentOS 6.x \u7684\u73af\u5883\u4e2d，\u5982\u679c\u539f\u672c\u5c31\u662f runlevel 5 \u7684\u73af\u5883，\u90a3\u4e48\u8fd9\u4e2a\u56fe\u5f62\u63a5\u53e3\u7684 :0 \u662f\u5728 tty1 \u7ec8\u7aef\u673a\u5566！\u5982\u679c\u662f\u7531 runlevel 3 \u542f\u52a8\u56fe\u5f62\u63a5\u53e3，\u90a3\u5c31\u662f\u5728 tty7 \u5594！\u7531\u4e8e\u5df2\u7ecf\u6709\u4e00\u4e2a X \u4e86，\u56e0\u6b64\u4f60\u5fc5\u987b\u8981\u5728\u53e6\u5916\u7684\u7ec8\u7aef\u673a\u542f\u52a8\u53e6\u4e00\u4e2a X \u624d\u884c！\u90a3\u4e2a\u65b0\u7684 X \u5c31\u79f0\u4e3a :1 \u63a5\u53e3，\u5176\u5b9e\u901a\u5e38\u5c31\u5728 tty7 \u6216 tty8 \u5566！\u4f46\u56e0\u4e3a X server \u8981\u63a5\u53d7 X client \u5fc5\u987b\u8981\u6709\u6388\u6743\u624d\u884c， \u6240\u4ee5\u4f60\u5f97\u5148\u5728\u7a97\u53e3\u63a5\u53e3\u5f00\u653e\u63a5\u53d7\u6765\u81ea\u670d\u52a1\u5668\u7684 X client \u6570\u636e\u3002<\/span><\/span><\/p>\n

                                                                    \u6b64\u5916，\u867d\u7136\u4f60\u5728\u5ba2\u6237\u7aef\u662f\u4ee5\u4e3b\u52a8\u7684\u65b9\u5f0f\u8fde\u63a5\u5230\u670d\u52a1\u5668\u7684 udp port 177 ，\u4f46\u662f\u670d\u52a1\u5668\u7684 X client \u5374\u4f1a\u4e3b\u52a8\u7684\u8fde\u63a5\u5230\u4f60\u5ba2\u6237\u7aef\u7684 X server，\u56e0\u6b64，\u4f60\u5fc5\u987b\u8981\u5f00\u653e\u6765\u81ea\u670d\u52a1\u5668\u7aef\u4e3b\u52a8\u5bf9\u4f60\u7684 TCP port 6001 (\u56e0\u4e3a\u662f :1 \u754c\u9762) \u7684\u9632\u706b\u5899\u8054\u673a\u624d\u884c<\/span>\u5594！\u90a3\u5c31\u6765\u5b9e\u505a\u770b\u770b：<\/span><\/span><\/p>\n\n\n\n
                                                                    # 1. \u653e\u884c X client \u4f20\u6765\u7684\u8d44\u6599：\u5728 X Window \u7684\u753b\u9762\u5f53\u4e2d\u542f\u7528 shell \u8f93\u5165：<\/span>
                                                                    \n[root@clientlinux ~]# xhost + 192.168.100.254<\/span>
                                                                    \n192.168.100.254 being added to access control list
                                                                    \n# \u6ce8\u610f！\u4f60\u662f\u5ba2\u6237\u7aef！\u4e14\u5047\u8bbe\u6211\u521a\u521a\u90a3\u90e8 Linux \u4e3b\u673a\u7684 IP \u4e3a 192.168.100.254<\/span><\/p>\n

                                                                    # 2. \u5f00\u59cb\u653e\u884c\u9632\u706b\u5899，\u56e0\u4e3a\u6211\u4eec\u542f\u52a8 port 6001 ，\u6240\u4ee5\u4f60\u5728\u5ba2\u6237\u7aef\u8fd9\u6837\u4f5c：<\/span>
                                                                    \n[root@clientlinux ~]# vim \/usr\/local\/virus\/iptables\/iptables.allow<\/span>
                                                                    \niptables -A INPUT -i $EXTIF -s 192.168.100.0\/24 -p tcp –dport 6001 -j ACCEPT<\/span><\/p>\n

                                                                    [root@clientlinux ~]# \/usr\/local\/virus\/iptables\/iptables.rule<\/span>
                                                                    \n[root@clientlinux ~]# iptables-save<\/span>
                                                                    \n-A INPUT -s 192.168.100.0\/24 -p tcp -m tcp –dport 6001 -j ACCEPT
                                                                    \n# \u8981\u80fd\u770b\u5230\u4e0a\u9762\u8fd9\u4e00\u884c\u624d\u884c\u5466！<\/span><\/p>\n

                                                                    # 3. \u5728\u6587\u5b57\u63a5\u53e3 (\u4f8b\u5982 tty1) \u4e0b\u8f93\u5165\u5982\u4e0b\u7684\u6307\u4ee4：<\/span>
                                                                    \n[root@clientlinux ~]# X -query 192.168.100.254 :1<\/span>
                                                                    \n# \u8fdb\u5165 X Window \u5570！<\/span>
                                                                    \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                    \u5982\u679c\u4e00\u5207\u987a\u5229\u7684\u8bdd，\u90a3\u4e48\u4f60\u5728 clientlinux.centos.vbird \u5c31\u4f1a\u770b\u5230\u5982\u4e0b\u7684\u753b\u9762(\u6ce8\u610f\u4e3b\u673a\u540d)：<\/span><\/span><\/p>\n

                                                                    <\/span><\/span> <\/p>\n

                                                                    \"\u5728\u5ba2\u6237\u7aef\u8fde\u4e0a<\/p>\n

                                                                    \u56fe 11.3-2\u3001\u5728\u5ba2\u6237\u7aef\u8fde\u4e0a Xdmcp \u6210\u529f\u7684\u753b\u9762<\/span><\/span><\/p>\n

                                                                    \u5728\u4e0a\u56fe\u4e2d\u8f93\u5165\u6b63\u786e\u7684\u8d26\u53f7\u4e0e\u5bc6\u7801\u4e4b\u540e，\u4f60\u5728 tty8 (:1) \u5c31\u4f1a\u6709\u4e2a\u7a97\u53e3\u63a5\u53e3\u5570！\u90a3\u4f60\u5982\u679c\u60f3\u8981\u56de\u5230\u672c\u673a\u7684\u7a97\u53e3\u63a5\u53e3， \u5c31\u56de\u5230 tty7 (:0) \u5373\u53ef\u5207\u6362\u6210\u529f！(\u5728 runlevel 5 \u65f6，:0 \u5728 tty1 ，\u800c :1 \u5728 tty7 \u5594！)\u90a3\u60f3\u8981\u5173\u95ed tty8 \u8be5\u5982\u4f55\u662f\u597d？\u4f60\u4e0d\u80fd\u591f\u5728 tty8 \u6ce8\u9500\u5566，\u56e0\u4e3a\u6ce8\u9500\u540e，\u7cfb\u7edf\u4f1a\u91cd\u65b0\u5f00\u4e00\u4e2a\u7b49\u5f85\u767b\u5165\u7684\u753b\u9762，\u4f60\u8fd8\u662f\u6ca1\u529e\u6cd5\u5173\u95ed\u7684\u3002\u4f60\u5f97\u8981\u56de\u5230\u521a\u521a\u542f\u52a8 X \u7684 tty1 \u7136\u540e\u6309\u4e0b [ctrl]-c \u4e2d\u65ad\u8054\u673a\u5373\u53ef！<\/span><\/span> \u00a0<\/p>\n

                                                                    <\/span><\/span> <\/p>\n

                                                                      \n
                                                                    • \n
                                                                      \n

                                                                      \u5728\u540c\u4e00\u4e2a X \u5e95\u4e0b\u542f\u52a8\u53e6\u4e00\u4e2a X： \u4f7f\u7528 Xnest<\/span><\/span><\/li>\n<\/ul>\n

                                                                      \u5982\u679c\u5e38\u5e38\u5728 tty7, tty8 \u5207\u6362\u6765\u53bb\u7684\u8bdd，\u5076\u800c\u4f1a\u5fd8\u8bb0\u5230\u5e95\u5728\u54ea\u4e2a\u754c\u9762\u4e86，\u5c24\u5176\u662f\u5f53\u4f60\u7684\u684c\u9762\u90fd\u4e00\u6a21\u4e00\u6837\u65f6， \u90a3\u5c31\u66f4\u96be\u5224\u65ad\u4e86\u3002\u6709\u6ca1\u6709\u529e\u6cd5\u76f4\u63a5\u5728 tty7 \u542f\u52a8\u53e6\u4e00\u4e2a\u7a97\u53e3\u6765\u52a0\u8f7d\u8fdc\u7a0b\u670d\u52a1\u5668\u7684\u56fe\u5f62\u63a5\u53e3\u5462？\u53ef\u4ee5\u7684，\u90a3\u5c31\u900f\u8fc7 Xnest \u5427！ \u8fd9\u6307\u4ee4\u9700\u8981\u5728 X \u7684\u73af\u5883\u4e0b\u4f7f\u7528\u5594！\u5b83\u7684\u7b80\u5355\u7528\u6cd5\u5982\u4e0b：<\/span><\/span><\/p>\n\n\n\n
                                                                      [root@www ~]# Xnest -query \u4e3b\u673a\u540d -geometry \u5206\u8fa8\u7387 :1<\/span>
                                                                      \n\u9009\u9879\u4e0e\u53c2\u6570：
                                                                      \n-query ：\u540e\u9762\u63a5 xdmcp \u670d\u52a1\u5668\u7684\u4e3b\u673a\u540d\u6216 IP \u5570
                                                                      \n-geometry ：\u540e\u9762\u63a5\u753b\u9762\u7684\u5206\u8fa8\u7387，\u4f8b\u5982 1024×768 \u6216 800×600 \u7b49\u4e4b\u7c7b\u7684\u5206\u8fa8\u7387<\/span><\/p>\n

                                                                      # \u6839\u636e\u4e0a\u8ff0\u6570\u636e，\u4f7f\u7528 800×600 \u8fde\u4e0a 192.168.100.254 \u90a3\u90e8\u4e3b\u673a：<\/span>
                                                                      \n[root@www ~]# yum install xorg-x11-server-Xnest<\/span>
                                                                      \n[root@www ~]# Xnest -query 192.168.100.254 -geometry 640×480 :1<\/span>
                                                                      \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                      \u5982\u679c\u4e00\u5207\u987a\u5229\u7684\u8bdd，\u90a3\u4f60\u5c31\u4f1a\u5728 tty7 \u7684\u672c\u673a X \u73af\u5883\u4e0b\u770b\u5230\u5982\u4e0b\u7684\u753b\u9762 (\u5e95\u4e0b\u7684\u753b\u9762\u662f\u5df2\u7ecf\u767b\u5165\u7684\u60c5\u51b5！)<\/span><\/span><\/p>\n

                                                                      \"\u5728\u5ba2\u6237\u7aef\u7684<\/p>\n

                                                                      \u56fe 11.3-3\u3001\u5728\u5ba2\u6237\u7aef\u7684 X \u987a\u5229\u8fde\u4e0a Xdmcp \u7684\u753b\u9762<\/span><\/span><\/p>\n

                                                                      \u4e00\u5f00\u59cb\u7684\u56fe\u793a\u4f1a\u4e0e\u56fe 11.3-2\u00a0\u4e00\u6837，\u5c31\u662f\u51fa\u73b0\u8f93\u5165\u8d26\u5bc6\u7684\u753b\u9762，\u5982\u679c\u8f93\u5165\u6b63\u786e\u7684\u5e10\u5bc6\u540e， \u5c31\u4f1a\u51fa\u73b0\u4e0a\u8ff0\u7684\u56fe\u793a\u4e86\u3002\u4ed4\u7ec6\u770b\u4e00\u4e0b\u753b\u9762\u5f53\u4e2d\u7684\u7ec8\u7aef\u673a\u6807\u5934，\u4f60\u5c31\u4f1a\u53d1\u73b0\u786e\u5b9e\u662f\u4e24\u90e8\u4e3b\u673a\u7684\u684c\u9762\u5462！\u8fd9\u6837\u6709\u6ca1\u6709\u66f4\u68d2\u68d2？ ^_^！ \u8981\u5173\u95ed\u8fd9\u4e2a X \u5c31\u7b80\u5355\u591a\u4e86！\u76f4\u63a5\u6309\u4e0b\u5173\u95ed，\u6216\u8005\u662f\u4e2d\u65ad\u90a3\u4e2a Xnest \u7684\u7a0b\u5e8f\u5373\u53ef\u3002<\/span><\/span><\/p>\n

                                                                      \n

                                                                      <\/span><\/span> <\/p>\n

                                                                      \"\u5c0f\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                                                                      11.3.4 \u7528\u6237\u7cfb\u7edf\u4e3a Windows \u7684\u767b\u5165\u65b9\u5f0f： Xming<\/span><\/span><\/span> <\/p>\n

                                                                      \u7531\u4e8e Windows \u672c\u8eab\u5e76\u6ca1\u6709\u63d0\u4f9b\u9884\u8bbe\u7684 X server ，\u56e0\u6b64\u6211\u4eec\u5f97\u8981\u81ea\u884c\u5b89\u88c5 X server \u5728 Windows \u4e0a\u9762\u624d\u884c\u3002 \u76ee\u524d\u5e38\u89c1\u7684 X server \u6709\u5e95\u4e0b\u8fd9\u51e0\u4e2a：<\/span><\/span><\/p>\n

                                                                        \n
                                                                      • X-Win32 (http:\/\/www.xwin32.tw\/)<\/span><\/span><\/li>\n
                                                                      • Exceed (http:\/\/www.hummingbird.com\/products\/nc\/exceed\/index.html?cks=y)<\/span><\/span><\/li>\n
                                                                      • Xming (http:\/\/sourceforge.net\/projects\/xming\/)<\/span><\/span><\/li>\n<\/ul>\n

                                                                        \u5176\u4e2d X-Win32 \u4e0e Exceed \u90fd\u5c5e\u4e8e\u5546\u4e1a\u8f6f\u4ef6，\u800c Xming \u5219\u5c5e\u4e8e\u8f7b\u91cf\u7ea7\u7684\u81ea\u7531\u8f6f\u4ef6，\u8bf4\u662f\u8f7b\u91cf\u7ea7\u5e76\u975e\u8bf4\u5b83\u4e0d\u597d， \u800c\u662f\u56e0\u4e3a Xming \u7684\u6863\u6848\u771f\u7684\u5f88\u5c0f，\u800c\u8be5\u6709\u7684\u529f\u80fd\u90fd\u6709\u4e86，\u6240\u4ee5\u7b97\u662f\u5f88\u4e0d\u8d56\u7684\u4e00\u4e2a\u8f6f\u4ef6\u5594！\u56e0\u6b64\u5e95\u4e0b\u9e1f\u54e5\u662f\u4ee5 Xming (\u6ce85) \u4f5c\u8303\u4f8b\u6765\u4ecb\u7ecd\u7684\u3002<\/span><\/span><\/p>\n

                                                                      • \u5b89\u88c5：\u4f60\u53ef\u4ee5\u4f7f\u7528\u9884\u8bbe\u7684\u65b9\u6cd5，\u4e00\u76f4\u4e0b\u4e00\u6b65\u7684\u5b89\u88c5\u4e0b\u53bb，\u5c31\u80fd\u591f\u987a\u5229\u7684\u5b89\u88c5\u597d Xming \u8fd9\u5957 X server \u7684\u8f6f\u4ef6\u5570\u3002<\/span><\/span> \u00a0<\/li>\n
                                                                      • \u542f\u52a8：\u8bf7\u5728\u300e\u5f00\u59cb\u300f–>\u300e\u7a0b\u5e8f\u96c6\u300f–>\u300eXming\u300f–>\u300eXLaunch\u300f\u5f00\u542f\u8bbe\u5b9a\u8054\u673a\u5230 xdmcp \u7684\u65b9\u5f0f\u3002\u5e95\u4e0b\u6211\u4eec\u4f1a\u4f7f\u7528\u533a\u7f51\u5185\u7684\u5e7f\u64ad (broadcast) \u6765\u627e\u5230 xdmcp \u670d\u52a1\u5668\u7684\u65b9\u5f0f\u3002\u542f\u52a8 XLaunch \u4e4b\u540e\u4f1a\u51fa\u73b0\u5982\u4e0b\u7684\u56fe\u793a：<\/span><\/span> \u00a0\n

                                                                        \"Xming<\/p>\n

                                                                        \u56fe 11.3-4\u3001Xming \u7684 Xdmcp \u8fde\u63a5\u65b9\u5f0f\u793a\u610f\u56fe<\/span><\/span><\/p>\n

                                                                        \u8bb0\u5f97\u4e0a\u9762\u7684\u56fe\u793a\u8981\u9009\u62e9 One window \u6216 Fullscreen \u6216 One window without titlebar \u624d\u80fd\u591f\u4f7f\u7528 XDMCP \u5594！\u9009\u62e9\u5b8c\u6bd5\u540e\u6309\u300e\u4e0b\u4e00\u6b65\u300f \u5c31\u4f1a\u51fa\u73b0\u5982\u4e0b\u7684\u753b\u9762：<\/span><\/span> \u00a0 <\/p>\n

                                                                        \"Xming<\/p>\n

                                                                        \u56fe 11.3-5\u3001Xming \u7684 Xdmcp \u8fde\u63a5\u65b9\u5f0f\u793a\u610f\u56fe<\/span><\/span><\/p>\n

                                                                        \u4e0a\u8ff0\u7684\u56fe\u793a\u5f53\u4e2d\u5171\u6709\u4e09\u79cd\u4f20\u9012 X client \u7684\u65b9\u6cd5，\u5728\u8fd9\u4e2a\u5c0f\u8282\u5f53\u4e2d\u6211\u4eec\u8981\u8fde\u5230 xdmcp ，\u6240\u4ee5\u4f60\u5f97\u8981\u9009\u62e9\u7b2c\u4e09\u4e2a\u5594！\u4e4b\u540e\u518d\u4e0b\u4e00\u6b65\u4f1a\u51fa\u73b0\u4e0b\u56fe：<\/span><\/span> \u00a0 <\/p>\n

                                                                        \"Xming<\/p>\n

                                                                        \u56fe 11.3-6\u3001Xming \u7684 Xdmcp \u8fde\u63a5\u65b9\u5f0f\u793a\u610f\u56fe<\/span><\/span><\/p>\n

                                                                        \u8fd9\u91cc\u5f53\u7136\u5c31\u662f\u8fde\u63a5\u5230\u4f60\u60f3\u8981\u8fde\u4e0a\u53bb\u7684 xdmcp \u670d\u52a1\u5668\u5570！\u5c06\u4ed6\u7684 IP \u586b\u4e0a\u53bb\u5427！\u4e4b\u540e\u518d\u4e0b\u4e00\u6b65\u53bb：<\/span><\/span> \u00a0 <\/p>\n

                                                                        \"Xming<\/p>\n

                                                                        \u56fe 11.3-7\u3001Xming \u7684 Xdmcp \u8fde\u63a5\u65b9\u5f0f\u793a\u610f\u56fe<\/span><\/span><\/p>\n

                                                                        \u4e0a\u56fe\u7684\u9879\u76ee\u4e0e\u6570\u636e\u7684\u4e92\u76f8\u590d\u5236\u8d34\u4e0a\u6709\u5173，\u4fdd\u7559\u9ed8\u8ba4\u503c\u5373\u53ef\u3002\u6309\u4e0b\u4e0b\u4e00\u6b65\u5427！<\/span><\/span> \u00a0 <\/p>\n

                                                                        \"Xming<\/p>\n

                                                                        \u56fe 11.3-8\u3001Xming \u7684 Xdmcp \u8fde\u63a5\u65b9\u5f0f\u793a\u610f\u56fe<\/span><\/span><\/p>\n

                                                                        \u51fa\u73b0\u4e0a\u56fe\u5c31\u662f\u8bbe\u5b9a\u5b8c\u6bd5\u4e86，\u7ed9\u5b83\u6309\u4e0b\u300e\u5b8c\u6210\u300f\u4e4b\u540e，\u4f60\u5c31\u4f1a\u53d1\u73b0\u5982\u540c\u56fe 11.3-2\u00a0\u7684\u753b\u9762\u51fa\u73b0，\u4f60\u5c31\u80fd\u591f\u5f00\u59cb\u5728 Windows \u5e95\u4e0b\u8fde\u4e0a\u56fe\u5f62\u63a5\u53e3\u7684 Linux Server \u5570！\u5f88\u8f7b\u677e\u5427！<\/span><\/span><\/li>\n

                                                                          \n
                                                                        • \n
                                                                          \n

                                                                          \u91cd\u70b9\u5728 Server \u4e0e Client \u7684\u9632\u706b\u5899\u4e0a<\/span><\/span><\/li>\n<\/ul>\n

                                                                          \u5176\u5b9e\u4ece\u4e0a\u9762\u7684\u8bbe\u5b9a\u5f53\u4e2d\u4f60\u4f1a\u53d1\u73b0， XDMCP \u4e0d\u8bba\u662f\u5728 Server \u8fd8\u662f Client \u7684\u8bbe\u5b9a\u4e0a\u9762\u90fd\u5f88\u7b80\u5355！\u4f46\u662f\u6709\u65f6\u5019\u4f60\u5c31\u662f\u4f1a\u53d1\u73b0， \u660e\u660e\u6240\u6709\u7684\u52a8\u4f5c\u90fd\u505a\u5b8c\u4e86，\u4f46\u662f\u5c31\u662f\u6ca1\u6709\u529e\u6cd5\u8fde\u4e0a Xdmcp \u670d\u52a1\u5668！\u6700\u5bb9\u6613\u53d1\u751f\u9519\u8bef\u7684\u5176\u5b9e\u5c31\u662f\u9632\u706b\u5899\u5566！\u56e0\u4e3a\u867d\u7136\u6211\u4eec\u5ba2\u6237\u7aef\u542f\u52a8 X server \u540e，\u4f1a\u4e3b\u52a8\u8054\u673a\u5230\u670d\u52a1\u5668\u7aef\u7684 Xdmcp (port 177)，\u4f46\u662f，\u63a5\u4e0b\u6765\u5374\u662f\u670d\u52a1\u5668\u4e3b\u52a8\u8054\u673a\u5230\u6211\u4eec\u5ba2\u6237\u7aef\u7684 X server (\u53ef\u80fd\u662f port 6000~6010)\u3002 \u56e0\u6b64，\u5982\u679c\u4f60\u53ea\u662f\u8bbe\u5b9a\u4e86\u670d\u52a1\u5668\u7684\u9632\u706b\u5899\u800c\u5df2，\u90a3\u4e48\u5f88\u53ef\u80fd\u51fa\u73b0\u95ee\u9898\u7684\u5e94\u8be5\u5c31\u662f\u5ba2\u6237\u7aef\u7684\u9632\u706b\u5899\u5fd8\u8bb0\u6253\u5f00\u63d0\u4f9b\u670d\u52a1\u5668\u4e3b\u52a8\u8054\u673a\u7684\u89c4\u5219\u5570！ \u8fd9\u70b9\u662f\u5fc5\u987b\u8981\u8ddf\u5927\u5bb6\u8bf4\u660e\u7684\u5594！<\/span><\/span><\/p>\n

                                                                          \n

                                                                          \"\u5927\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                                                                          11.4 \u534e\u4e3d\u7684\u56fe\u5f62\u63a5\u53e3： VNC \u670d\u52a1\u5668<\/span><\/span><\/p>\n

                                                                          \u5c31\u5982\u540c\u521a\u521a\u4e0a\u5934\u8bb2\u5230\u7684，\u4f7f\u7528 xdmcp \u53ef\u80fd\u4f1a\u542f\u52a8\u591a\u4e2a\u4e0d\u540c\u7684\u57e0\u53e3，\u5bfc\u81f4\u9632\u706b\u5899\u8bbe\u5b9a\u4e0a\u9762\u6bd4\u8f83\u56f0\u6270\u4e9b\u3002\u90a3\u6709\u6ca1\u6709\u7b80\u5355\u4e00\u70b9\u7684\u56fe\u5f62\u63a5\u53e3\u8fde\u63a5\u65b9\u5f0f？ \u5176\u5b9e\u8fd8\u6709\u5f88\u591a\u5566，\u5728\u8fd9\u91cc\u6211\u4eec\u5148\u6765\u8bb2\u4e00\u4e2a\u6bd4\u8f83\u7b80\u5355\u7684，\u90a3\u5c31\u662f VNC (Virtual Network Computing) \u8fd9\u73a9\u610f\u513f\u5566！(\u6ce86)<\/span><\/span> \u00a0<\/p>\n

                                                                          \n

                                                                          <\/span><\/span> <\/p>\n

                                                                          \"\u5c0f\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                                                                          11.4.1 \u9884\u8bbe\u7684 VNC \u670d\u52a1\u5668：\u4f7f\u7528 twm window manager<\/span><\/span><\/span> <\/p>\n

                                                                          VNC server \u4f1a\u5728\u670d\u52a1\u5668\u7aef\u542f\u52a8\u4e00\u4e2a\u76d1\u542c\u7528\u6237\u8981\u6c42\u7684\u7aef\u53e3，\u4e00\u822c\u7aef\u53e3\u53f7\u7801\u5728 5901 ~ 5910 \u4e4b\u95f4\u3002\u5f53\u5ba2\u6237\u7aef\u542f\u52a8 X server \u8054\u673a\u5230 5901 \u4e4b\u540e， VNC server \u518d\u5c06\u4e00\u5806\u9884\u5148\u8bbe\u5b9a\u597d\u7684 X client \u900f\u8fc7\u8fd9\u4e2a\u8054\u673a\u4f20\u9012\u5230\u5ba2\u6237\u7aef\u4e0a，\u6700\u7ec8\u5c31\u80fd\u591f\u5728\u5ba2\u6237\u7aef\u663e\u793a\u670d\u52a1\u5668\u7684\u56fe\u5f62\u63a5\u53e3\u4e86\u3002<\/span><\/span><\/p>\n

                                                                          \u4e0d\u8fc7\u9700\u8981\u6ce8\u610f\u7684\u662f，\u9884\u8bbe\u7684 VNC server \u90fd\u662f\u72ec\u7acb\u63d0\u4f9b\u7ed9\u300e\u5355\u4e00\u300f\u4e00\u4e2a\u5ba2\u6237\u7aef\u6765\u8054\u673a\u7684，\u56e0\u6b64\u5f53\u4f60\u8981\u4f7f\u7528 VNC \u65f6， \u518d\u8054\u673a\u5230\u670d\u52a1\u5668\u53bb\u542f\u52a8 VNC server \u5373\u53ef\u3002\u6240\u4ee5，\u4e00\u822c\u6765\u8bf4， VNC server \u90fd\u662f\u4f7f\u7528\u624b\u52a8\u542f\u52a8\u7684，\u7136\u540e\u4f7f\u7528\u5b8c\u6bd5\u540e， \u518d\u5c06 VNC server \u5173\u95ed\u5373\u53ef\u3002\u6574\u4e2a\u4f5c\u6cd5\u5176\u5b9e\u5f88\u7b80\u5355\u5594！\u4f60\u53ef\u4ee5\u8fd9\u6837\u4f5c：<\/span><\/span><\/p>\n

                                                                          <\/span><\/span> <\/p>\n\n\n\n
                                                                          [root@www ~]# vncserver [:\u53f7\u7801] [-geometry \u5206\u8fa8\u7387] [options]<\/span>
                                                                          \n[root@www ~]# vncserver [-kill :\u53f7\u7801]<\/span>
                                                                          \n\u9009\u9879\u4e0e\u53c2\u6570：
                                                                          \n:\u53f7\u7801 ：\u5c31\u662f\u5c06 VNC server \u5f00\u5728\u54ea\u4e2a\u57e0\u53e3，\u5982\u679c\u662f :1 \u5219\u4ee3\u8868 VNC 5901 \u57e0\u53e3
                                                                          \n-geometry ：\u5c31\u662f\u5206\u8fa8\u7387，\u4f8b\u5982 1024×768 \u6216 800×600 \u4e4b\u7c7b\u7684
                                                                          \noptions ：\u5176\u4ed6 X \u76f8\u5173\u7684\u9009\u9879，\u4f8b\u5982 -query localhost \u4e4b\u7c7b\u7684
                                                                          \n-kill ：\u5c06\u5df2\u7ecf\u542f\u52a8\u7684 VNC \u57e0\u53e3\u5220\u9664！\u4f9d\u636e\u8eab\u4efd\u63a7\u5236\u5594\u3002<\/span><\/p>\n

                                                                          [root@www ~]# yum install tigervnc-server<\/span>
                                                                          \n# \u8fd9\u4e2a\u662f\u5fc5\u987b\u8981\u7684\u670d\u52a1\u5668\u8f6f\u4ef6，\u6ce8\u610f\u8f6f\u4ef6\u7684\u540d\u79f0\u5594！\u4e0e\u4e4b\u524d\u7684\u7248\u672c\u4e0d\u540c！<\/span><\/p>\n

                                                                          # \u5c06 VNC server \u542f\u52a8\u5728 5903 \u57e0\u53e3<\/span>
                                                                          \n[root@www ~]# vncserver :3<\/span><\/p>\n

                                                                          You will require a password to access your desktops.<\/p>\n

                                                                          Password: <==\u8f93\u5165 VNC \u7684\u8054\u673a\u5bc6\u7801，\u8fd9\u662f\u5efa\u7acb VNC \u65f6\u6240\u9700\u8981\u7684<\/span>
                                                                          \nVerify: <==\u518d\u8f93\u5165\u4e00\u6b21\u76f8\u540c\u7684\u5bc6\u7801<\/span>
                                                                          \nxauth: creating new authority file \/root\/.Xauthority<\/p>\n

                                                                          New 'www.centos.vbird:3 (root)' desktop is www.centos.vbird:3<\/p>\n

                                                                          Creating default startup script \/root\/.vnc\/xstartup<\/span>
                                                                          \nStarting applications specified in \/root\/.vnc\/xstartup
                                                                          \nLog file is \/root\/.vnc\/www.centos.vbird:3.log<\/p>\n

                                                                          [root@www ~]# netstat -tulnp | grep X<\/span>
                                                                          \ntcp 0 0 0.0.0.0:5903 0.0.0.0:* LISTEN 4361\/Xvnc
                                                                          \ntcp 0 0 0.0.0.0:6000 0.0.0.0:* LISTEN 1755\/Xorg
                                                                          \ntcp 0 0 0.0.0.0:6003 0.0.0.0:* LISTEN 4361\/Xvnc
                                                                          \ntcp 0 0 :::6000 :::* LISTEN 1755\/Xorg
                                                                          \ntcp 0 0 :::6003 :::* LISTEN 4361\/Xvnc
                                                                          \n# \u5df2\u7ecf\u542f\u52a8\u6240\u9700\u8981\u7684\u57e0\u53e3\u5570！<\/span>
                                                                          \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                          \u5728\u4e0a\u8ff0\u7684\u6307\u4ee4\u64cd\u4f5c\u4e2d，\u4f60\u8981\u77e5\u9053\u7684\u51e0\u4e2a\u9879\u76ee\u662f：<\/span><\/span><\/p>\n

                                                                        • \u5bc6\u7801\u81f3\u5c11\u9700\u8981\u516d\u4e2a\u5b57\u7b26<\/span><\/span><\/li>\n
                                                                        • \u4f9d\u636e\u4f7f\u7528 vncserver \u7684\u8eab\u4efd，\u5c06\u521a\u521a\u5efa\u7acb\u7684\u5bc6\u7801\u653e\u7f6e\u4e8e\u8be5\u8d26\u53f7\u5bb6\u76ee\u5f55\u4e0b\u3002\u4f8b\u5982\u4e0a\u8ff0\u7684\u8eab\u4efd\u662f\u4f7f\u7528 root \u8eab\u4efd，\u56e0\u6b64\u5bc6\u7801\u6587\u4ef6\u4f1a\u653e\u5728 \/root\/.vnc\/passwd \u8fd9\u4e2a\u6863\u6848\u4e2d\u4f46\u662f\u82e5\u8be5\u6863\u6848\u5df2\u7ecf\u5b58\u5728，\u5219\u4e0d\u4f1a\u51fa\u73b0\u5efa\u7acb\u5bc6\u7801\u7684\u753b\u9762\u3002<\/span><\/span><\/li>\n
                                                                        • \u5f53\u5ba2\u6237\u7aef\u8054\u673a\u6210\u529f\u540e，\u670d\u52a1\u5668\u5c06\u4f1a\u4f20\u9001 \/root\/.vnc\/startx \u5185\u7684 X client \u7ed9\u5ba2\u6237\u7aef\u5594！<\/span><\/span><\/li>\n

                                                                          \u90a3\u5982\u679c\u4f60\u60f3\u8981\u4fee\u6539 VNC \u5bc6\u7801\u5462？\u5f88\u7b80\u5355，\u90a3\u5c31\u4f7f\u7528 vncpasswd \u5427！<\/span><\/span><\/p>\n

                                                                          <\/span><\/span> <\/p>\n\n\n\n
                                                                          [root@www ~]# ls -l \/root\/.vnc\/passwd<\/span>
                                                                          \n-rw——-. 1 root root 8 Jul 26 15:08 \/root\/.vnc\/passwd
                                                                          \n[root@www ~]# vncpasswd<\/span>
                                                                          \nPassword: <==\u5c31\u662f\u8fd9\u91cc\u5f00\u59cb\u8f93\u5165\u65b0\u7684\u5bc6\u7801\u554a！<\/span>
                                                                          \nVerify:
                                                                          \n[root@www ~]# ls -l \/root\/.vnc\/passwd<\/span>
                                                                          \n-rw——-. 1 root root 8 Jul 26 15:15 \/root\/.vnc\/passwd
                                                                          \n# \u770b\u5427！\u65f6\u95f4\u6709\u66f4\u65b0\u5594！\u8fd9\u4e2a\u6863\u6848\u7684\u5185\u5bb9\u66f4\u52a8\u8fc7\u5570！<\/span>
                                                                          \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                          \u63a5\u4e0b\u6765\u5f00\u59cb\u653e\u884c 5903 \u8fd9\u4e2a\u57e0\u53e3\u7684\u8054\u673a\u9632\u706b\u5899\u89c4\u5219\u5427！\u56e0\u4e3a\u9884\u8ba1\u53ef\u80fd\u4f1a\u5f00\u653e 11 \u4e2a VNC \u7684\u57e0\u53e3，\u6240\u4ee5\u5e72\u8106\u4e00\u53e3\u6c14\u5f00\u653e 11 \u4e2a\u57e0\u53e3\u5427！<\/span><\/span><\/p>\n\n\n\n
                                                                          [root@www ~]# vim \/usr\/local\/virus\/iptables\/iptables.allow<\/span>
                                                                          \niptables -A INPUT -i $EXTIF -s 192.168.100.0\/24 -p tcp –dport 5900:5910 -j ACCEPT<\/p>\n

                                                                          [root@www ~]# \/usr\/local\/virus\/iptables\/iptables.rule<\/span>
                                                                          \n[root@www ~]# iptables-save<\/span>
                                                                          \n-A INPUT -s 192.168.100.0\/24 -i eth0 -p tcp -m tcp –dport 5900:5910 -j ACCEPT
                                                                          \n# \u8981\u770b\u5f97\u5230\u4e0a\u9762\u8fd9\u884c\u624d OK \u5594！<\/span>
                                                                          \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                          \n

                                                                          <\/span><\/span> <\/p>\n

                                                                          \"\u5c0f\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                                                                          11.4.2 VNC \u7684\u5ba2\u6237\u7aef\u8054\u673a\u8f6f\u4ef6<\/span><\/span><\/span> <\/p>\n

                                                                          \u4e0e xdmcp \u5f88\u7c7b\u4f3c\u5566， VNC \u5ba2\u6237\u7aef\u5728 Linux \u7cfb\u7edf\u4e0a\u9762\u6709\u9ed8\u8ba4\u7684\u8f6f\u4ef6，\u4f46\u662f\u5728 Windows \u7cfb\u7edf\u4e0a\u9762\u5219\u5fc5\u987b\u8981\u989d\u5916\u5b89\u88c5\u5176\u4ed6\u8f6f\u4ef6\u3002 \u6211\u4eec\u5148\u6765\u8c08\u8c08 Linux \u7684 VNC \u7528\u6237\u8f6f\u4ef6\u5427！<\/span><\/span> \u00a0<\/p>\n

                                                                          <\/span><\/span> <\/p>\n

                                                                            \n
                                                                          • \n
                                                                            \n

                                                                            Linux \u5ba2\u6237\u7aef\u7a0b\u5e8f： vncviewer<\/span><\/span><\/li>\n<\/ul>\n

                                                                            \u7528\u5728 Linux \u5ba2\u6237\u7aef\u7684 VNC \u7a0b\u5e8f，\u90a3\u5c31\u662f vncviewer\u3002\u53ea\u662f，\u8fd9\u4e2a\u8f6f\u4ef6\u9ed8\u8ba4\u6ca1\u6709\u5b89\u88c5，\u6240\u4ee5\u4f60\u5f97\u8981\u4f7f\u7528 yum \u5b89\u88c5\u5b8c\u6bd5\u540e\u518d\u6765\u8054\u673a\u5427！\u4e0d\u8fc7\u4e00\u6837\u8981\u6ce8\u610f，\u670d\u52a1\u5668\u7aef\u7684\u9632\u706b\u5899\u4e00\u6837\u8981\u8bbe\u5b9a\u59a5\u5f53\u5594！\u7136\u540e\u5f00\u59cb\u5728\u5ba2\u6237\u7aef\u7684\u56fe\u5f62\u63a5\u53e3\u4e0a\u6267\u884c\u5e95\u4e0b\u6570\u636e：<\/span><\/span><\/p>\n\n\n\n
                                                                            [root@clientlinux ~]# yum install tigervnc<\/span>
                                                                            \n[root@clientlinux ~]# vncviewer 192.168.10.254:3<\/span>
                                                                            \n# \u8fd9\u4e2a\u6307\u4ee4\u8bf7\u4e00\u5b9a\u4e00\u5b9a\u8981\u5728\u56fe\u5f62\u63a5\u53e3\u4e0a\u9762\u6267\u884c\u624d\u884c\u5594！\u5f88\u91cd\u8981！\u522b\u5fd8\u4e86！<\/span>
                                                                            \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                            \"\u5728<\/p>\n

                                                                            \u56fe 11.4-1\u3001\u5728 Linux \u5ba2\u6237\u7aef\u6267\u884c vncviewer \u7a0b\u5e8f\u793a\u610f<\/span><\/span><\/p>\n

                                                                            \u5728\u4e0a\u56fe\u5f53\u4e2d\u8f93\u5165\u521a\u521a\u7684 root \u7684 VNC \u8054\u673a\u5bc6\u7801，\u8bf7\u6ce8\u610f\u5594，\u662f VNC \u7684\u8054\u673a\u5bc6\u7801，\u800c\u4e0d\u662f root \u7684\u767b\u5165\u5bc6\u7801！ \u8fd9\u4e24\u8005\u662f\u5dee\u5f88\u591a\u7684！\u4e5f\u7531\u4e8e\u542f\u52a8 VNC \u7684\u8eab\u4efd\u662f root ，\u56e0\u6b64\u8fd9\u91cc\u624d\u4f7f\u7528 root \u7684 VNC \u8054\u673a\u5bc6\u7801\u3002 \u6240\u4ee5，\u5f88\u591a\u65f6\u523b，\u6211\u4eec\u90fd\u662f\u5efa\u8bae\u4f7f\u7528\u4e00\u822c\u8eab\u4efd\u6765\u542f\u52a8 VNC server \u7684\u5566！\u5f53\u4f60\u8f93\u5165\u6b63\u786e\u7684 VNC \u8054\u673a\u5bc6\u7801\u540e， \u4f1a\u51fa\u73b0\u5982\u4e0b\u7684\u56fe\u793a\u5570：<\/span><\/span><\/p>\n

                                                                            \"\u5728<\/p>\n

                                                                            \u56fe 11.4-2\u3001\u5728 Linux \u5ba2\u6237\u7aef\u6267\u884c vncviewer \u7a0b\u5e8f\u793a\u610f<\/span><\/span><\/p>\n

                                                                            \u4e0e\u4ee5\u524d\u7684 VNC server \u8f83\u5927\u7684\u5dee\u5f02，\u5728 CentOS 6.x \u5f53\u4e2d，tigervnc-server \u8fd9\u5957\u8f6f\u4ef6\u4f1a\u4e3b\u52a8\u7684\u4f9d\u636e\u670d\u52a1\u5668\u7aef\u7684\u56fe\u5f62\u63a5\u53e3\u767b\u5165\u65b9\u5f0f\u7ed9\u4e88\u6b63\u786e\u7684\u56fe\u5f62\u663e\u793a\u63a5\u53e3，\u800c\u4e0d\u662f\u4ee5\u524d\u90a3\u6837\u7ed9\u4e88\u4e00\u4e2a\u4e11\u4e11\u7684 twm \u800c\u5df2！ \u8fd9\u6837\u6211\u4eec\u5c31\u53ef\u4ee5\u51cf\u5c11\u8fd8\u5f97\u8981\u4fee\u6539\u4e00\u4e9b\u6709\u7684\u6ca1\u6709\u7684\u914d\u7f6e\u6587\u4ef6\u4e86！\u771f\u662f\u68d2！ \u8054\u673a\u6210\u529f\u540e，\u8bf7\u5728\u5ba2\u6237\u7aef\u5173\u95ed\u8fd9\u4e2a vncviewer \u7684\u8054\u673a<\/span>，\u56e0\u4e3a\u63a5\u4e0b\u6765\u6211\u4eec\u8981\u51c6\u5907\u7531 Windows \u8054\u673a\u5230\u670d\u52a1\u5668\u7684 port 5903 \u5570！<\/span><\/span> \u00a0<\/p>\n

                                                                            <\/span><\/span> <\/p>\n

                                                                              \n
                                                                            • \n
                                                                              \n

                                                                              Windows \u5ba2\u6237\u7aef\u7a0b\u5e8f： realvnc<\/span><\/span><\/li>\n<\/ul>\n

                                                                              Windows \u5e95\u4e0b\u53ef\u7528\u7684 vnc client \u8f6f\u4ef6\u4e0d\u5c11，\u4f46\u662f\u9e1f\u54e5\u6bd4\u8f83\u719f\u6089\u7684\u662f realvnc \u8fd9\u5bb6\u516c\u53f8\u51fa\u54c1\u7684 GNU \u7684\u81ea\u7531\u8f6f\u4ef6！ \u4f60\u53ef\u4ee5\u5728\u5e95\u4e0b\u7684\u8fde\u7ed3\u4e0b\u8f7d\u5230\u6700\u7b80\u5355\u7684\u7248\u672c，\u662f\u4e0d\u7528\u94b1\u7684\u81ea\u7531\u8f6f\u4ef6\u7248\u672c\u5594！(\u9e1f\u54e5\u4ec5\u4e0b\u8f7d\u4e0d\u7528\u5b89\u88c5\u7684 viewer \u7248\u672c\u800c\u5df2！)<\/span><\/span><\/p>\n

                                                                                \n
                                                                              • http:\/\/www.realvnc.com\/download.html<\/span><\/span><\/li>\n<\/ul>\n

                                                                                \u76f4\u63a5\u6267\u884c vnc-viewer \u8f6f\u4ef6，\u7136\u540e\u5c31\u4f1a\u770b\u5230\u5982\u4e0b\u7684\u753b\u9762：<\/span><\/span><\/p>\n

                                                                                \"Windows<\/p>\n

                                                                                \u56fe 11.4-3\u3001Windows Real VNC \u5ba2\u6237\u7aef\u8054\u673a\u793a\u610f\u56fe<\/span><\/span><\/p>\n

                                                                                \u5982\u4e0a\u56fe\u6240\u793a，\u4f60\u5728 server \u5b57\u6bb5\u586b\u4e0a IP:port \u7684\u6570\u636e\u5373\u53ef，\u7136\u540e\u6309\u4e0b\u300eOK\u300f\u5427！<\/span><\/span><\/p>\n

                                                                                \"Windows<\/p>\n

                                                                                \u56fe 11.4-4\u3001Windows Real VNC \u5ba2\u6237\u7aef\u8054\u673a\u793a\u610f\u56fe<\/span><\/span><\/p>\n

                                                                                \u7531\u4e8e VNC server \u9700\u8981\u7684\u4ec5\u662f\u8054\u673a\u7684 VNC \u5bc6\u7801\u800c\u5df2，\u56e0\u6b64\u4e0a\u56fe\u4e2d\u7684 Username \u53ef\u4ee5\u4e0d\u7528\u586b，\u8001\u5b9e\u8bf4，\u8fd9\u4e2a\u7a0b\u5e8f\u5b83\u4e5f\u4e0d\u4f1a\u8ba9\u4f60\u586b～ \u5475\u5475！\u586b\u5b8c\u6309\u4e0b\u300eOK\u300f\u5373\u53ef！\u63a5\u4e0b\u6765\u5c31\u4f1a\u51fa\u73b0\u6b63\u786e\u7684\u753b\u9762\u5570！<\/span><\/span><\/p>\n

                                                                                \"Windows<\/p>\n

                                                                                \u56fe 11.4-5\u3001Windows Real VNC \u5ba2\u6237\u7aef\u8054\u673a\u793a\u610f\u56fe<\/span><\/span><\/p>\n

                                                                                \n

                                                                                <\/span><\/span> <\/p>\n

                                                                                \"\u5c0f\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                                                                                11.4.3 VNC \u642d\u914d\u672c\u673a\u7684 Xdmcp \u753b\u9762<\/span><\/span><\/span> <\/p>\n

                                                                                \u5982\u679c\u56e0\u4e3a\u67d0\u4e9b\u7279\u6b8a\u56e0\u7d20，\u4f60\u5f97\u8981\u4f7f\u7528 VNC \u6765\u642d\u914d xdmcp \u7684\u8f93\u51fa\u65f6，\u90a3\u5c31\u76f4\u63a5\u5728\u670d\u52a1\u5668\u900f\u8fc7\u5e95\u4e0b\u7684\u6307\u4ee4\u6765\u5904\u7406\u5373\u53ef！ \u8981\u6ce8\u610f\u5594，\u4f60\u5fc5\u987b\u8981\u5df2\u7ecf\u542f\u52a8\u4e86 xdmcp \u4e86\u5594！\u800c\u4e14，\u6211\u4eec\u5e95\u4e0b\u4f7f\u7528 student \u7684\u8eab\u4efd\u6765\u542f\u52a8\u8fd9\u4e2a VNC \u5427！<\/span><\/span><\/p>\n\n\n\n
                                                                                # 1. \u8981\u786e\u5b9a xdmcp \u5df2\u7ecf\u542f\u52a8\u4e86\u624d\u53ef\u4ee5：<\/span>
                                                                                \n[root@www ~]# netstat -tlunp | grep 177<\/span>
                                                                                \nudp 0 0 0.0.0.0:177 0.0.0.0:* 1734\/gdm-binary
                                                                                \n# OK \u7684！\u786e\u5b9e\u6709\u542f\u52a8\u7684\u5566！\u5982\u679c\u6ca1\u6709\u770b\u5230 177 \u7684\u8bdd，\u56de\u5230 11.3 \u53bb\u5904\u7406\u5904\u7406<\/span><\/p>\n

                                                                                # 2. \u5207\u6362\u6210 student，\u5e76\u4e14\u542f\u52a8 VNC server \u5728 :5<\/span>
                                                                                \n[root@www ~]# su – student<\/span>
                                                                                \n[student@www ~]$ vncserver :5 -query localhost<\/span>
                                                                                \nYou will require a password to access your desktops.<\/p>\n

                                                                                Password:
                                                                                \nVerify:
                                                                                \nxauth: creating new authority file \/home\/student\/.Xauthority<\/p>\n

                                                                                New 'www.centos.vbird:5 (student)' desktop is www.centos.vbird:5<\/p>\n

                                                                                Creating default startup script \/home\/student\/.vnc\/xstartup
                                                                                \nStarting applications specified in \/home\/student\/.vnc\/xstartup
                                                                                \nLog file is \/home\/student\/.vnc\/www.centos.vbird:5.log<\/p>\n

                                                                                # 3. \u53d6\u6d88 xstartup \u7684\u542f\u52a8\u5185\u5bb9<\/span>
                                                                                \n[student@www ~]$ vim \/home\/student\/.vnc\/xstartup<\/span>
                                                                                \n….(\u524d\u9762\u7701\u7565)….<\/span>
                                                                                \n#xterm -geometry 80×24+10+10 -ls -title "$VNCDESKTOP Desktop" &
                                                                                \n#twm &
                                                                                \n# \u5c06\u8fd9\u4e2a\u6863\u6848\u7684\u5185\u5bb9，\u5168\u90e8\u90fd\u52a0\u4e0a # \u6279\u6ce8\u6389<\/span><\/p>\n

                                                                                # 4. \u91cd\u65b0\u542f\u52a8 vncserver \u5594！<\/span>
                                                                                \n[student@www ~]$ vncserver -kill :5<\/span>
                                                                                \n[student@www ~]$ vncserver :5 -query localhost<\/span>
                                                                                \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                \u63a5\u4e0b\u6765\u8bf7\u4f7f\u7528 root \u7684\u8eab\u4efd\u52a0\u5165 5905 \u7684\u7aef\u53e3\u9632\u706b\u5899\u89c4\u5219<\/span>，\u7136\u540e\u81ea\u884c\u4f7f\u7528 Linux \u7684 vncviewer \u6216 Windows \u7684 RealVNC \u6765\u8054\u673a，\u4f60\u5c31\u4f1a\u53d1\u73b0\u5982\u4e0b\u7684\u753b\u9762：<\/span><\/span><\/p>\n

                                                                                \"\u900f\u8fc7<\/p>\n

                                                                                \u56fe 11.4-6\u3001\u900f\u8fc7 VNC \u901a\u9053\u53d6\u5f97 xdmcp \u753b\u9762<\/span><\/span><\/p>\n

                                                                                \u6211\u4eec\u8fd9\u53ea VNC \u7684\u8054\u673a\u7a0b\u5e8f\u662f student \u8eab\u4efd，\u4f46\u662f\u6211\u4eec\u5374\u53ef\u4ee5\u900f\u8fc7 xdmcp \u7684\u767b\u5165\u529f\u80fd\u6765\u767b\u5165 root \u8eab\u4efd\u5594！ \u56e0\u4e3a\u5728\u670d\u52a1\u5668\u4e0a\u9762\u7684 Xvnc \u7a0b\u5e8f\u662f student \u62e5\u6709，\u8fd9\u6837\u4f1a\u6bd4\u8f83\u597d\u5566！\u4e86\u89e3\u547c？<\/span><\/span><\/p>\n

                                                                                \n

                                                                                <\/span><\/span> <\/p>\n

                                                                                \"\u5c0f\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                                                                                11.4.4 \u5f00\u673a\u5c31\u542f\u52a8 VNC server \u7684\u65b9\u6cd5<\/span><\/span><\/span> <\/p>\n

                                                                                \u8bf7\u6ce8\u610f，\u4f60\u4e0d\u8981\u5c06 vncserver \u7684\u6307\u4ee4\u5199\u5165\u5728 \/etc\/rc.d\/rc.local \u4e2d，\u5426\u5219\u53ef\u80fd\u4f1a\u4ea7\u751f localhost \u65e0\u6cd5\u767b\u5165\u7684\u95ee\u9898\u3002 \u90a3\u8be5\u5982\u4f55\u8ba9\u4f60\u7684 VNC server \u5728\u4e00\u5f00\u673a\u5c31\u542f\u52a8\u800c\u4e0d\u987b\u8981\u767b\u5165\u6267\u884c\u6307\u4ee4\u5462？\u53ef\u4ee5\u7684，\u4f46\u662f\u4f60\u5f97\u8981\u4fee\u6539\u4e00\u4e0b\u914d\u7f6e\u6587\u4ef6\u3002 \u6211\u4eec\u5e95\u4e0b\u4f7f\u7528 student \u7684\u8eab\u4efd\u542f\u52a8 VNC server，\u800c\u542f\u52a8\u7684\u65b9\u5f0f\u4e3a\u4f7f\u7528 xdmcp \u767b\u5165\u753b\u9762，\u542f\u52a8\u7684\u57e0\u53e3\u5c31\u5b9a\u5728 5901 \u597d\u4e86\u3002 \u90a3\u4f60\u5e94\u8be5\u8fd9\u6837\u4f5c：<\/span><\/span><\/p>\n\n\n\n
                                                                                [root@www ~]# vim \/etc\/sysconfig\/vncservers<\/span>
                                                                                \nVNCSERVERS="1:student"
                                                                                \nVNCSERVERARGS[1]="-query localhost"<\/span>
                                                                                \n# \u4e0a\u8ff0\u4e24\u884c\u7684 1 \u6307\u7684\u5c31\u662f\u90a3\u4e2a\u57e0\u53e3 5901 \u5594！\u8981\u6ce8\u610f！<\/span><\/p>\n

                                                                                [root@www ~]# \/etc\/init.d\/vncserver restart<\/span>
                                                                                \n[root@www ~]# chkconfig vncserver on<\/span>
                                                                                \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                \u6709\u591f\u597d\u7b80\u5355\u5427！\u8fd9\u6837\u6bcf\u6b21\u5f00\u673a\u5c31\u641e\u5b9a\u4f60\u7684 VNC server \u5570！<\/span><\/span><\/p>\n

                                                                                \n

                                                                                <\/span><\/span> <\/p>\n

                                                                                \"\u5c0f\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                                                                                11.4.5 \u540c\u6b65\u7684 VNC ：\u53ef\u4ee5\u900f\u8fc7\u56fe\u793a\u540c\u6b65\u6559\u5b66<\/span><\/span><\/span> <\/p>\n

                                                                                \u53e6\u5916，\u6709\u4e9b\u670b\u53cb\u4e00\u5b9a\u4f1a\u89c9\u5f97\u5947\u602a，\u90a3\u5c31\u662f，\u4e3a\u751a\u4e48\u6211\u7684 VNC \u670d\u52a1\u5668\u7684 server \/ client \u7aef\u753b\u9762\u5e76\u4e0d\u662f\u540c\u6b65\u7684\u5462? \u8fd9\u662f\u56e0\u4e3a Linux \u672c\u8eab\u63d0\u4f9b\u591a\u4e2a VNC server ，\u5979\u4eec\u662f\u5404\u81ea\u72ec\u7acb\u7684，\u6240\u4ee5\u5f53\u7136\u5c31\u4e0d\u4f1a\u4e0e tty7 \u7684\u753b\u9762\u540c\u6b65\u4e86\u3002 \u4f46\u662f\u5982\u679c\u4f60\u60f3\u8981\u4e0e Linux \u7684 tty7 \u540c\u6b65\u7684\u8bdd，\u53ef\u4ee5\u5229\u7528 VNC \u91ca\u51fa\u7684\u7ed9 X Server \u4f7f\u7528\u7684\u6a21\u5757\u6765\u52a0\u4ee5\u8bbe\u5b9a\u5373\u53ef\u3002<\/span><\/span><\/p>\n

                                                                                \u90a3\u4f7f\u7528\u8fd9\u4e2a\u6a21\u5757\u6709\u751a\u4e48\u597d\u5904\u554a？\u5c31\u662f\u53ef\u4ee5\u8ba9\u4e24\u4e2a\u56fe\u5f62\u63a5\u53e3\u5728 server\/client \u90fd\u662f\u4e00\u6837\u7684， \u6240\u4ee5，\u5982\u679c\u4f60\u60f3\u8981\u6559\u4f60\u7684\u670b\u53cb\u4f60\u662f\u5982\u4f55\u8bbe\u5b9a\u7684，\u90a3\u5c31\u53ef\u4ee5\u900f\u8fc7\u8fd9\u4e2a\u673a\u5236\u6765\u5904\u7406，\u4f60\u7684\u670b\u53cb\u5728\u8fdc\u7a0b\u5c31\u80fd\u591f\u77e5\u9053\u4f60\u4e00\u6b65\u4e00\u6b65\u8fdb\u884c\u7684\u8fc7\u7a0b！ \u8fd9\u6837\u5f88\u4e0d\u8d56\u5427！\u8be6\u7ec6\u7684\u4f5c\u6cd5\u53ef\u4ee5\u53c2\u8003\u5e95\u4e0b\u7684\u8fde\u7ed3：<\/span><\/span><\/p>\n

                                                                                  \n
                                                                                • http:\/\/phorum.study-area.org\/viewtopic.php?t=25713<\/span><\/span><\/li>\n<\/ul>\n

                                                                                  \u6211\u4eec\u4e5f\u6765\u5b9e\u505a\u4e00\u4e0b\u5427 (\u5728 CentOS 6.x \u5f53\u4e2d\u5e76\u6ca1\u6709 xorg.conf \u8fd9\u4e2a\u914d\u7f6e\u6587\u4ef6\u5594！\u6240\u4ee5，\u5982\u679c\u4f60\u8981\u4f7f\u7528\u8fd9\u4e9b\u6570\u636e\u7684\u8bdd， \u6050\u6015\u5f97\u8981\u81ea\u884c\u4f7f\u7528 X -configure \u53bb\u5efa\u7f6e xorg.conf \u540e，\u518d\u632a\u5230 \/etc\/X11\/ \u53bb，\u7136\u540e\u624d\u6539\u7684\u5230\u8bbe\u5b9a！)：<\/span><\/span><\/p>\n\n\n\n
                                                                                  [root@www ~]# yum install tigervnc-server-module<\/span>
                                                                                  \n[root@www ~]# vim \/etc\/X11\/xorg.conf<\/span>
                                                                                  \nSection "Screen"
                                                                                  \n Identifier "Screen0"
                                                                                  \n Device "Videocard0"
                                                                                  \n DefaultDepth 24
                                                                                  \n # VBird
                                                                                  \n Option "passwordFile" "\/home\/student\/.vnc\/passwd"<\/span>
                                                                                  \n SubSection "Display"
                                                                                  \n Viewport 0 0
                                                                                  \n Depth 24
                                                                                  \n EndSubSection
                                                                                  \nEndSection<\/p>\n

                                                                                  # VBird
                                                                                  \nSection "Module"
                                                                                  \n Load "vnc"
                                                                                  \nEndSection<\/span>
                                                                                  \n# \u5047\u8bbe\u4f60\u7684 vnc \u5bc6\u7801\u6863\u6848\u653e\u7f6e\u5728 \/home\/student\/.vnc\/passwd \u91cc\u5934，
                                                                                  \n# \u8fd9\u4e2a\u65f6\u5019\u5c31\u5f97\u8981\u5c06\u5bc6\u7801\u6587\u4ef6\u5185\u5bb9\u5199\u5230 Screen \u8fd9\u4e2a section \u5f53\u4e2d\u4e86<\/span><\/p>\n

                                                                                  [root@www ~]# init 3 ; init 5<\/span>
                                                                                  \n[root@www ~]# netstat -tlunp | grep X<\/span>
                                                                                  \ntcp 0 0 0.0.0.0:5900 0.0.0.0:* LISTEN 7445\/Xorg
                                                                                  \ntcp 0 0 0.0.0.0:6000 0.0.0.0:* LISTEN 7445\/Xorg
                                                                                  \ntcp 0 0 :::6000 :::* LISTEN 7445\/Xorg
                                                                                  \n# \u6ce8\u610f\u770b\u5594！\u8fd9\u51e0\u4e2a port \u542f\u52a8\u7684 PID \u90fd\u4e00\u6837\u5594！\u6240\u4ee5\u4f1a\u542f\u52a8\u4e00\u4e2a port 5900 \u5570！<\/span>
                                                                                  \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                  \u4e4b\u540e\u4f60\u53ef\u4ee5\u4f7f\u7528\u300e vncviewer 192.168.100.254 \u300f\u6765\u8054\u673a\u5373\u53ef，\u4e0d\u9700\u8981\u52a0\u4e0a :0 \u4e4b\u7c7b\u7684\u57e0\u53e3\u3002 \u7136\u540e\u4f60\u53ef\u4ee5\u770b\u4e00\u4e0b\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u7aef\u7684\u56fe\u5f62\u63a5\u53e3，\u4f60\u4f1a\u53d1\u73b0\u5230\u4e24\u8005\u79fb\u52a8\u9f20\u6807\u65f6，\u4e24\u8005\u7684\u753b\u9762\u4f1a\u540c\u6b65\u8fd0\u4f5c\u5594！ \u975e\u5e38\u6709\u8da3\u5462！\u53ea\u4e0d\u8fc7\u8fd9\u4e2a\u52a8\u4f5c\u8fd8\u662f\u53ea\u5141\u8bb8\u4e00\u6761 VNC \u8054\u673a，\u4e0d\u80fd\u8ba9\u6240\u6709\u5ba2\u6237\u7aef\u90fd\u8fde\u5230 port 5900 ，\u8fd9\u771f\u662f\u592a\u53ef\u60dc\u4e86！<\/span><\/span><\/p>\n

                                                                                  \n

                                                                                  \"\u5927\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                                                                                  11.5 \u4eff\u771f\u7684\u8fdc\u7a0b\u684c\u9762\u7cfb\u7edf： XRDP \u670d\u52a1\u5668<\/span><\/span><\/p>\n

                                                                                  \u4f7f\u7528\u4e0a\u9762\u7684\u56fe\u5f62\u63a5\u53e3\u7684\u8054\u673a\u670d\u52a1\u5668\u90fd\u6709\u4e00\u4e2a\u95ee\u9898，\u9664\u4e86\u8054\u673a\u673a\u5236\u7684\u4e0d\u540c\u4e4b\u5916，\u4e0a\u5934\u7684 Xdmcp \u4e0e VNC \u539f\u5219\u4e0a，\u8d44\u6599\u90fd\u6ca1\u6709\u52a0\u5bc6\u3002 \u56e0\u6b64\u4e0a\u9762\u7684\u52a8\u4f5c\u5927\u591a\u4ec5\u9002\u5408\u5c40\u57df\u7f51\u7edc\u5185\u8fd0\u4f5c，\u4e0d\u8981\u8fde\u4e0a Internet \u6bd4\u8f83\u597d\u3002\u90a3\u5982\u679c\u4f60\u771f\u7684\u60f3\u8981\u900f\u8fc7\u52a0\u5bc6\u7684\u65b9\u5f0f\u8fd0\u4f5c VNC， \u90a3\u53ef\u80fd\u5f97\u8981\u900f\u8fc7\u4e0b\u4e00\u5c0f\u8282\u7684\u4ecb\u7ecd\u624d\u80fd\u591f\u6709\u597d\u7684\u5904\u7406\u7ed3\u679c\u3002\u90a3\u4e48\u6211\u4eec\u77e5\u9053 Windows \u7684\u8fdc\u7a0b\u684c\u9762 (Remote Desktop Procotol, RDP,\u00a0\u6ce87) \u5176\u5b9e\u662f\u5177\u6709\u8054\u673a\u52a0\u5bc6\u529f\u80fd\u7684，\u6240\u4ee5，\u80fd\u4e0d\u80fd\u5728 Linux \u4e0a\u9762\u88c5\u4e00\u4e2a RDP Server \u5462？\u662f\u53ef\u4ee5\u7684，\u90a3\u5c31\u662f XRDP \u670d\u52a1\u5668 (\u6ce88)\u3002<\/span><\/span><\/p>\n

                                                                                  \u5f88\u53ef\u60dc\u7684\u662f，\u6211\u4eec\u7684 CentOS 6.x \u9884\u8bbe\u5e76\u6ca1\u6709\u63d0\u4f9b XRDP \u7684\u670d\u52a1\u5668，\u5982\u679c\u4f60\u6709\u5174\u8da3\u7684\u8bdd，\u53ef\u4ee5\u81ea\u884c\u7f16\u8bd1 xrdp \u8f6f\u4ef6， \u4f46\u9e1f\u54e5\u6709\u627e\u5230 Fedora \u57fa\u91d1\u4f1a\u63d0\u4f9b\u7684 RHEL \u989d\u5916\u8f6f\u4ef6\u8ba1\u5212 (\u6ce89)，\u4f60\u53ef\u4ee5\u5230\u5e95\u4e0b\u7684\u8fde\u7ed3\u53bb\u627e\u5230\u4f60\u5bf9\u5e94\u7684\u7248\u672c：<\/span><\/span><\/p>\n

                                                                                    \n
                                                                                  • http:\/\/download.fedora.redhat.com\/pub\/epel\/<\/span><\/span><\/li>\n<\/ul>\n

                                                                                    \u9e1f\u54e5\u8fd8\u662f\u89c9\u5f97 yum \u662f\u597d\u4e1c\u897f，\u56e0\u6b64\u9e1f\u54e5\u627e\u5230\u7684 CentOS 6.x x86_64 \u7248\u672c\u7684\u7f51\u5740\u540e，\u5c06\u5b83\u8bbe\u5b9a\u5728 yum \u914d\u7f6e\u6587\u4ef6\u5185，\u5c31\u53ef\u4ee5\u4f7f\u7528 yum \u5b89\u88c5\u4e86：<\/span><\/span><\/p>\n\n\n\n
                                                                                    [root@www ~]# vim \/etc\/yum.repos.d\/fedora_epel.repo<\/span>
                                                                                    \n[epel]
                                                                                    \nname=CentOS-$releasever – Epel
                                                                                    \nbaseurl=http:\/\/download.fedora.redhat.com\/pub\/epel\/6\/x86_64\/
                                                                                    \ngpgcheck=0
                                                                                    \nenabled=1<\/p>\n

                                                                                    [root@www ~]# yum clean all<\/span>
                                                                                    \n[root@www ~]# yum install xrdp<\/span>
                                                                                    \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                    \u8fd9\u6837\u5c31\u5b89\u88c5\u597d\u4e86 xrdp \u8f6f\u4ef6\u4e86，\u63a5\u7740\u4e0b\u6765\u5c31\u5f97\u8981\u5f00\u59cb\u6765\u8bbe\u5b9a\u5b83\u5570！\u8001\u5b9e\u8bf4，\u5728\u4e00\u822c\u7684\u4e3b\u673a\u4e0a\u9762\u5b89\u88c5\u597d\u8fd9\u4e2a xrdp \u4e4b\u540e，\u4f60\u6839\u672c\u4e0d\u9700\u8981\u8c03\u6574\u4efb\u4f55\u914d\u7f6e\u6587\u4ef6，\u4fdd\u7559\u597d\u914d\u7f6e\u6587\u4ef6\u5c31\u597d\u4e86，\u7136\u540e\u542f\u52a8\u5b83，\u5e76\u4e14\u8bbe\u5b9a\u5f00\u673a\u540e\u542f\u52a8，\u672a\u6765\u53ea\u8981\u7528\u8fdc\u7a0b\u8054\u673a\u8fde\u5230\u8fd9\u90e8\u4e3b\u673a， \u7cfb\u7edf\u5c31\u4f1a\u542f\u52a8 5910~5920 \u4ee5\u4e0a\u7684 VNC \u57e0\u53e3，\u7136\u540e\u4f60\u5c31\u80fd\u591f\u900f\u8fc7 RDP \u7684\u534f\u8bae\u53d6\u5f97 VNC \u7684\u753b\u9762，\u6700\u540e\u5c31\u80fd\u591f\u767b\u5165\u7cfb\u7edf\u5570！<\/span><\/span><\/p>\n\n\n\n
                                                                                    [root@www ~]# \/etc\/init.d\/xrdp start<\/span>
                                                                                    \n[root@www ~]# chkconfig xrdp on<\/span>
                                                                                    \n[root@www ~]# netstat | grep xrdp<\/span>
                                                                                    \ntcp 0 0 127.0.0.1:3350 0.0.0.0:* LISTEN 6615\/xrdp-sesman
                                                                                    \ntcp 0 0 0.0.0.0:3389 0.0.0.0:* LISTEN 6611\/xrdp
                                                                                    \n# \u8fdc\u7a0b\u684c\u9762\u7684\u57e0\u53e3\u662f 3389 ，\u4f46\u662f xrdp \u4f1a\u518d\u8fde\u5230\u672c\u673a\u7684 3350 \u53bb\u5524\u9192\u4e00\u4e2a VNC \u7684\u8054\u673a\u3002
                                                                                    \n# \u4f46\u662f\u5c1a\u672a\u8054\u673a\u4e4b\u524d，\u5e76\u4e0d\u4f1a\u8d77\u52a8\u4efb\u4f55\u7684 VNC \u57e0\u53e3\u5c31\u662f\u4e86\u3002<\/span>
                                                                                    \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                    \u5982\u679c\u4f60\u662f\u4f7f\u7528 Windows \u7cfb\u7edf，\u90a3\u4e48\u900f\u8fc7\u300e\u5f00\u59cb\u300f–>\u300e\u7a0b\u5e8f\u96c6\u300f–>\u300e\u9644\u5c5e\u5e94\u7528\u7a0b\u5e8f\u300f–>\u300e\u8fdc\u7a0b\u684c\u9762\u8054\u673a\u300f， \u5728\u51fa\u73b0\u7684\u753b\u9762\u4e2d\u8f93\u5165\u8fd9\u90e8 xrdp \u670d\u52a1\u5668\u7684 IP \u4e4b\u540e，\u5982\u679c\u987a\u5229\u8fde\u4e0a\u5c31\u4f1a\u51fa\u73b0\u5982\u4e0b\u7684\u753b\u9762：<\/span><\/span><\/p>\n

                                                                                    \"\u8fde\u4e0a\u670d\u52a1\u5668\u7684<\/p>\n

                                                                                    \u56fe 11.5-1\u3001\u8fde\u4e0a\u670d\u52a1\u5668\u7684 XRDP \u670d\u52a1\u540e，\u4f1a\u51fa\u73b0\u7684\u8054\u673a\u4fe1\u606f<\/span><\/span><\/p>\n

                                                                                    \u00a0 <\/p>\n

                                                                                    \"\u8fde\u4e0a\u670d\u52a1\u5668\u7684<\/p>\n

                                                                                    \u56fe 11.5-2\u3001\u8fde\u4e0a\u670d\u52a1\u5668\u7684 XRDP \u670d\u52a1\u540e，\u4f1a\u51fa\u73b0\u7684\u8054\u673a\u4fe1\u606f<\/span><\/span><\/p>\n

                                                                                    \u8f93\u5165\u6b63\u786e\u7684\u8d26\u53f7\u5bc6\u7801，\u563f\u563f！\u641e\u5b9a！\u753b\u9762\u5c31\u51fa\u73b0\u5570！\u5982\u679c\u4f60\u8fd8\u60f3\u8981\u66f4\u8fdb\u4e00\u6b65\u7684\u4e86\u89e3 xrdp \u7684\u914d\u7f6e\u6587\u4ef6，\u90a3\u4e48\u8bf7\u5230 \/etc\/xrdp\/ \u76ee\u5f55\u5e95\u4e0b\u77a7\u77a7，\u7136\u540e\u518d\u900f\u8fc7 man \u53bb\u770b\u770b\u76f8\u5173\u7684\u914d\u7f6e\u6587\u4ef6\u4fe1\u606f，\u5c31\u80fd\u591f\u7406\u89e3\u8bbe\u5b9a\u503c\u5570！\u9e1f\u54e5\u6d4b\u8bd5\u8fc7，\u4e0d\u7528\u4fee\u6539\u4efb\u4f55\u8bbe\u5b9a， \u4f7f\u7528\u8fdc\u7a0b\u684c\u9762\u5c31\u5df2\u7ecf\u5f88\u987a\u7545\u5570！ ^_^<\/span><\/span><\/p>\n

                                                                                    \u4e0d\u8fc7\u4f60\u8981\u6ce8\u610f\u7684\u662f，\u56e0\u4e3a xrdp \u6700\u7ec8\u4f1a\u81ea\u52a8\u542f\u7528 VNC ，\u56e0\u6b64\u4f60\u8fd8\u662f\u5fc5\u987b\u8981\u5b89\u88c5 tigervnc-server \u624d\u884c！ \u5426\u5219 xrdp \u5e94\u8be5\u8fd8\u662f\u65e0\u6cd5\u8fd0\u4f5c\u7684\u5466！<\/span><\/span><\/span><\/p>\n

                                                                                    \n

                                                                                    \"\u5927\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                                                                                    11.6 SSH \u670d\u52a1\u5668\u7684\u8fdb\u9636\u5e94\u7528<\/span><\/span><\/p>\n

                                                                                    \u4e8b\u5b9e\u4e0a ssh \u771f\u7684\u5f88\u597d\u7528！\u4f60\u751a\u81f3\u4e0d\u9700\u8981\u542f\u52a8\u751a\u4e48 xdmcp, vnc, xrdp \u7b49\u7b49\u670d\u52a1，\u4f7f\u7528 ssh \u7684\u52a0\u5bc6\u901a\u9053\u5c31\u80fd\u591f\u5728\u5ba2\u6237\u7aef\u542f\u52a8\u56fe\u5f62\u63a5\u53e3！ \u6b64\u5916，\u6211\u4eec\u77e5\u9053\u5f88\u591a\u670d\u52a1\u90fd\u662f\u6ca1\u6709\u52a0\u5bc6\u7684，\u90a3\u4e48\u80fd\u4e0d\u80fd\u5c06\u8fd9\u4e9b\u670d\u52a1\u900f\u8fc7 ssh \u901a\u9053\u6765\u52a0\u5bc6\u5462？\u563f\u563f！\u5f53\u7136\u662f\u53ef\u4ee5！ \u5728\u8fd9\u4e2a\u7ae0\u8282\u5f53\u4e2d，\u6211\u4eec\u5c31\u6765\u8c08\u8c08\u4e00\u4e9b ssh \u7684\u8fdb\u9636\u5e94\u7528\u5427！<\/span><\/span> \u00a0<\/p>\n

                                                                                    \n

                                                                                    <\/span><\/span> <\/p>\n

                                                                                    \"\u5c0f\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                                                                                    11.6.1 \u542f\u52a8 ssh \u5728\u975e\u6b63\u89c4\u57e0\u53e3 (\u975e port 22)<\/span><\/span><\/span> <\/p>\n

                                                                                    \u4ece\u524d\u9762\u7684\u7ae0\u8282\u91cc\u9762\u6211\u4eec\u5c31\u66fe\u7ecf\u63d0\u8fc7， sshd \u8fd9\u4e2a\u670d\u52a1\u5176\u5b9e\u5e76\u4e0d\u662f\u5f88\u5b89\u5168，\u6240\u4ee5\u5f88\u591a ISP \u5728\u5165\u53e3\u5904\u5c31\u5df2\u7ecf\u5c06 port 22 \u5173\u95ed\u4e86！\u4e3a\u4ec0\u4e48\u8981\u8fd9\u4e48\u4f5c\u5462？\u8fd9\u662f\u56e0\u4e3a\u5f88\u591a\u7f51\u7ad9\u7ba1\u7406\u5458\u5e76\u6ca1\u6709\u5b9a\u671f\u7684\u8fdb\u884c\u8f6f\u4ef6 update ，\u800c\u4e14\u4e3a\u4e86\u65b9\u4fbf，\u53c8\u5f88\u5f00\u5fc3\u7684\u5c06 port 22 \u5bf9\u5168\u4e16\u754c\u5f00\u653e\u3002\u7531\u4e8e\u5f88\u591a cracker \u4f1a\u4f7f\u7528\u626b\u63cf\u7a0b\u5e8f\u4e71\u626b\u6574\u4e2a Internet \u7684\u57e0\u53e3\u6f0f\u6d1e，\u8fd9\u4e2a port 22 \u5c31\u662f\u4e00\u4e2a\u5f88\u5e38\u88ab\u626b\u63cf\u7684\u7aef\u53e3\u5566！\u4e3a\u4e86\u675c\u7edd\u8fd9\u4e2a\u95ee\u9898，\u6240\u4ee5 ISP \u5148\u5e2e\u4f60\u628a\u5173，\u5148\u5c06 port 22 \u5173\u95ed！\u8fd9\u4e5f\u662f\u4e3a\u4e86\u6574\u4e2a\u533a\u7f51\u597d！<\/span><\/span><\/p>\n

                                                                                    \u53ea\u662f，\u50cf\u9e1f\u54e5\u8fd9\u79cd\u6ca1\u6709 ssh \u5c31\u5feb\u8981\u6d3b\u4e0d\u4e0b\u53bb\u7684\u4eba，\u5173\u95ed\u4e86 port 22 \u90a3\u9e1f\u54e5\u7684\u5934\u90fd\u75db\u4e86！\u6ca1\u6709\u529e\u6cd5\u5de5\u4f5c\u554a！ \u90a3\u600e\u529e？\u6ca1\u5173\u7cfb，\u5176\u5b9e\u6211\u4eec\u53ef\u4ee5\u5c06 ssh \u5f00\u653e\u5728\u975e\u6b63\u89c4\u7684\u57e0\u53e3\u3002\u5982\u6b64\u4e00\u6765， cracker \u4e0d\u4f1a\u626b\u63cf\u5230\u8be5\u7aef\u53e3，\u800c\u4f60\u7684 ISP \u53c8\u6ca1\u6709\u5bf9\u8be5\u57e0\u53e3\u8fdb\u884c\u9650\u5236，\u90a3\u4f60\u5c31\u80fd\u591f\u4f7f\u7528 ssh \u5570！\u5f88\u68d2\u5427！\u90a3\u5c31\u6765\u8bd5\u770b\u770b\u3002\u6211\u4eec\u5e95\u4e0b\u5c06 ssh \u5f00\u653e\u5728 port 22 \u53ca port 23 \u8bd5\u770b\u770b (\u8bf7\u6ce8\u610f， port 23 \u4e0d\u80fd\u591f\u6709\u88ab\u4f7f\u7528\u5594！)\u3002<\/span><\/span> \u00a0<\/p>\n

                                                                                      \n
                                                                                    • \n
                                                                                      \n

                                                                                      \u8bbe\u5b9a ssh \u5728 port 22 \u53ca 23 \u4e24\u4e2a\u57e0\u53e3\u7684\u8bbe\u5b9a\u65b9\u5f0f<\/span><\/span><\/li>\n<\/ul>\n\n\n\n
                                                                                      [root@www ~]# vim \/etc\/ssh\/sshd_config<\/span>
                                                                                      \nPort 22
                                                                                      \nPort 23<\/span> <==\u6ce8\u610f\u5594！\u8981\u6709\u4e24\u4e2a Port \u7684\u8bbe\u5b9a\u624d\u884c！<\/span><\/p>\n

                                                                                      [root@www ~]# \/etc\/init.d\/sshd restart<\/span>
                                                                                      \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                      \u4f46\u662f\u8fd9\u4e00\u7248\u7684 CentOS \u5374\u5c06 SSH \u89c4\u8303 port \u4ec5\u80fd\u542f\u52a8\u4e8e 22 \u800c\u5df2，\u6240\u4ee5\u6b64\u65f6\u4f1a\u51fa\u73b0\u4e00\u4e2a SELinux \u7684\u9519\u8bef！\u90a3\u600e\u529e？\u6ca1\u5173\u7cfb， \u6839\u636e setroubleshoot \u7684\u63d0\u793a，\u6211\u4eec\u5fc5\u987b\u8981\u81ea\u884c\u5b9a\u4e49\u4e00\u4e2a SELinux \u7684\u89c4\u5219\u653e\u884c\u6a21\u5757\u624d\u884c！\u6709\u6ca1\u6709\u5f88\u96be\u5462？\u5176\u5b9e\u8fd8\u7b97\u7b80\u5355！ \u6574\u4f53\u6d41\u7a0b\u662f\u8fd9\u6837\u7684：<\/span><\/span><\/p>\n\n\n\n
                                                                                      # 1. \u4e8e \/var\/log\/audit\/audit.log \u627e\u51fa\u4e0e ssh \u6709\u5173\u7684 AVC \u4fe1\u606f，\u5e76\u8f6c\u4e3a\u672c\u5730\u6a21\u5757<\/span>
                                                                                      \n[root@www ~]# cat \/var\/log\/audit\/audit.log | grep AVC | grep ssh | \\\\<\/span>
                                                                                      \n> audit2allow -m sshlocal > sshlocal.te<\/span> <==\u6269\u5c55\u540d\u8981\u662f .te \u624d\u884c<\/span>
                                                                                      \n[root@www ~]# grep sshd_t \/var\/log\/audit\/audit.log | \\\\<\/span>
                                                                                      \n> audit2allow -M sshlocal<\/span> <==sshlocal \u5c31\u662f\u521a\u521a\u5efa\u7acb\u7684 .te \u6a94\u540d<\/span>
                                                                                      \n******************** IMPORTANT ***********************
                                                                                      \nTo make this policy package active, execute:
                                                                                      \nsemodule -i sshlocal.pp <==\u8fd9\u4e2a\u6307\u4ee4\u4f1a\u7f16\u8bd1\u51fa\u8fd9\u4e2a\u91cd\u8981\u7684 .pp \u6a21\u5757！<\/span><\/p>\n

                                                                                      # 2. \u5c06\u8fd9\u4e2a\u6a21\u5757\u52a0\u8f7d\u7cfb\u7edf\u7684 SELinux \u7ba1\u7406\u5f53\u4e2d！<\/span>
                                                                                      \n[root@www ~]# semodule -i sshlocal.pp<\/span><\/p>\n

                                                                                      # 3. \u518d\u91cd\u65b0\u542f\u52a8 sshd \u5e76\u4e14\u89c2\u5bdf\u57e0\u53e3\u5427！<\/span>
                                                                                      \n[root@www ~]# \/etc\/init.d\/sshd restart<\/span>
                                                                                      \n[root@www ~]# netstat -tlunp | grep ssh<\/span>
                                                                                      \ntcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 7322\/sshd
                                                                                      \ntcp 0 0 0.0.0.0:23 0.0.0.0:* LISTEN 7322\/sshd
                                                                                      \ntcp 0 0 :::22 :::* LISTEN 7322\/sshd
                                                                                      \ntcp 0 0 :::23 :::* LISTEN 7322\/sshd
                                                                                      \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                      \u6709\u6ca1\u6709\u5f88\u7b80\u5355！\u8fd9\u6837\u4f60\u5c31\u80fd\u591f\u4f7f\u7528 port 22 \u6216 port 23 \u8054\u673a\u5230\u4f60\u7684 sshd \u670d\u52a1\u5594！<\/span><\/span> \u00a0<\/p>\n

                                                                                        \n
                                                                                      • \n
                                                                                        \n

                                                                                        \u975e\u6b63\u89c4\u57e0\u53e3\u7684\u8054\u673a\u65b9\u5f0f<\/span><\/span><\/li>\n<\/ul>\n

                                                                                        \u7531\u4e8e\u9884\u8bbe\u7684 ssh, scp, sftp \u90fd\u662f\u8fde\u63a5\u5230 port 22 \u7684，\u90a3\u4e48\u5982\u4f55\u4f7f\u7528\u8fd9\u4e9b\u6307\u4ee4\u8054\u673a\u5230 port 23 \u5462？ \u6211\u4eec\u4f7f\u7528 ssh \u5f53\u7ec3\u4e60\u597d\u4e86：<\/span><\/span><\/p>\n\n\n\n
                                                                                        [root@www ~]# ssh -p 23 root@localhost<\/span>
                                                                                        \nroot@localhost's password:
                                                                                        \nLast login: Tue Jul 26 14:07:41 2011 from 192.168.1.101
                                                                                        \n[root@www ~]# netstat -tnp | grep 23<\/span>
                                                                                        \ntcp 0 0 ::1:23 ::1:56645 ESTABLISHED 7327\/2
                                                                                        \ntcp 0 0 ::1:56645 ::1:23 ESTABLISHED 7326\/ssh
                                                                                        \n# \u56e0\u4e3a\u7f51\u7edc\u662f\u53cc\u5411\u7684，\u56e0\u6b64\u81ea\u5df1\u8fde\u81ea\u5df1 (localhost)，\u5c31\u4f1a\u6293\u5230\u4e24\u53ea\u8054\u673a！<\/span>
                                                                                        \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                        \u8fd9\u6837，\u4f60\u5c31\u80fd\u591f\u907f\u8fc7\u4e00\u4e9b ISP \u6216\u8005\u662f cracker \u7684\u626b\u63cf\u4e86！\u6ce8\u610f\u4e00\u4e0b，\u4e0d\u8981\u5c06 port \u5f00\u653e\u5728\u67d0\u4e9b\u65e2\u77e5\u7684\u57e0\u53e3\u4e0a， \u4f8b\u5982\u4f60\u5f00\u653e\u5728 port 80 \u7684\u8bdd，\u90a3\u4f60\u5c31\u6ca1\u6709\u529e\u6cd5\u542f\u52a8\u6b63\u5e38\u7684 WWW \u670d\u52a1\u5566！\u6ce8\u610f\u6ce8\u610f！<\/span><\/span><\/p>\n

                                                                                        \n

                                                                                        <\/span><\/span> <\/p>\n

                                                                                        \"\u5c0f\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                                                                                        11.6.2 \u4ee5 rsync \u8fdb\u884c\u540c\u6b65\u955c\u50cf\u5907\u4efd<\/span><\/span><\/span> <\/p>\n

                                                                                        \u6211\u4eec\u66fe\u5728\u57fa\u7840\u7bc7\u7b2c\u4e09\u7248\u7b2c\u4e8c\u5341\u4e94\u7ae0\u91cc\u5934\u8c08\u5230\u00a0Linux \u7684\u5907\u4efd\u7b56\u7565， \u8be5\u7bc7\u66fe\u4ecb\u7ecd\u5e38\u7528\u7684\u5907\u4efd\u6307\u4ee4，\u5305\u62ec tar, dd, cp \u7b49\u7b49，\u4e0d\u8fc7\u5f53\u65f6\u5e76\u672a\u4ecb\u7ecd\u7f51\u7edc，\u6240\u4ee5\u6709\u4e2a\u5f88\u68d2\u7684\u7f51\u7edc\u5de5\u5177\u6ca1\u6709\u4ecb\u7ecd， \u90a3\u5c31\u662f\u8fd9\u4e2a\u5730\u65b9\u8981\u8c08\u5230\u7684 rsync \u5566！\u8fd9\u4e2a rsync \u53ef\u4ee5\u4f5c\u4e3a\u4e00\u4e2a\u76f8\u5f53\u68d2\u7684\u5f02\u5730\u5907\u63f4\u7cfb\u7edf\u7684\u5907\u4efd\u6307\u4ee4\u5594！ \u56e0\u4e3a rsync \u53ef\u4ee5\u8fbe\u5230\u7c7b\u4f3c\u300e\u955c\u76f8 (mirror) \u300f\u7684\u529f\u80fd\u5462！<\/span><\/span><\/p>\n

                                                                                        rsync \u6700\u65e9\u662f\u60f3\u8981\u53d6\u4ee3 rcp \u8fd9\u4e2a\u6307\u4ee4\u7684，\u56e0\u4e3a rsync \u4e0d\u4f46\u4f20\u8f93\u7684\u901f\u5ea6\u5feb，\u800c\u4e14\u4ed6\u5728\u4f20\u8f93\u65f6， \u53ef\u4ee5\u6bd4\u5bf9\u672c\u5730\u7aef\u4e0e\u8fdc\u7a0b\u4e3b\u673a\u6b32\u590d\u5236\u7684\u6863\u6848\u5185\u5bb9，\u800c\u4ec5\u590d\u5236\u4e24\u7aef\u6709\u5dee\u5f02\u7684\u6863\u6848\u800c\u5df2，\u6240\u4ee5\u4f20\u8f93\u7684\u65f6\u95f4\u5c31\u76f8\u5bf9\u7684\u964d\u4f4e\u5f88\u591a！ \u6b64\u5916， rsync \u7684\u4f20\u8f93\u65b9\u5f0f\u81f3\u5c11\u53ef\u4ee5\u900f\u8fc7\u4e09\u79cd\u65b9\u5f0f\u6765\u8fd0\u4f5c：<\/span><\/span><\/p>\n

                                                                                          \n
                                                                                        • \u5728\u672c\u673a\u4e0a\u76f4\u63a5\u8fd0\u4f5c，\u7528\u6cd5\u5c31\u4e0e cp \u51e0\u4e4e\u4e00\u6a21\u4e00\u6837，\u4f8b\u5982： rsync -av \/etc \/tmp (\u5c06 \/etc\/ \u7684\u6570\u636e\u5907\u4efd\u5230 \/tmp\/etc \u5185)<\/span><\/span> \u00a0<\/li>\n
                                                                                        • \u900f\u8fc7 rsh \u6216 ssh \u7684\u4fe1\u9053\u5728 server \/ client \u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4f20\u8f93，\u4f8b\u5982： rsync -av -e ssh user@rsh.server:\/etc \/tmp (\u5c06 rsh.server \u7684 \/etc \u5907\u4efd\u5230\u672c\u5730\u4e3b\u673a\u7684 \/tmp \u5185)<\/span><\/span> \u00a0<\/li>\n
                                                                                        • \u76f4\u63a5\u900f\u8fc7 rsync \u63d0\u4f9b\u7684\u670d\u52a1 (daemon) \u6765\u4f20\u8f93，\u6b64\u65f6 rsync \u4e3b\u673a\u9700\u8981\u542f\u52a8 873 port： 1. \u4f60\u5fc5\u987b\u8981\u5728 server \u7aef\u542f\u52a8 rsync ， \u770b \/etc\/xinetd.d\/rsync \u5373\u53ef； 2. \u4f60\u5fc5\u987b\u7f16\u8f91 \/etc\/rsyncd.conf \u914d\u7f6e\u6587\u4ef6； 3. \u4f60\u5fc5\u987b\u8bbe\u5b9a\u597d client \u7aef\u8054\u673a\u7684\u5bc6\u7801\u6570\u636e； 4. \u5728 client \u7aef\u53ef\u4ee5\u5229\u7528：rsync -av user@hostname::\/dir\/path \/local\/path<\/span><\/span><\/li>\n<\/ul>\n

                                                                                          \u5176\u5b9e\u4e09\u79cd\u4f20\u8f93\u6a21\u5f0f\u5dee\u5f02\u5728\u4e8e\u6709\u6ca1\u6709\u5192\u53f7 (:) \u800c\u5df2，\u672c\u5730\u7aef\u4f20\u8f93\u4e0d\u9700\u8981\u5192\u53f7，\u900f\u8fc7 ssh \u6216 rsh \u65f6，\u5c31\u5f97\u8981\u5229\u7528\u4e00\u4e2a\u5192\u53f7 (:)， \u5982\u679c\u662f\u900f\u8fc7 rsync daemon \u7684\u8bdd，\u5c31\u5f97\u8981\u4e24\u4e2a\u5192\u53f7 (::) ，\u5e94\u8be5\u4e0d\u96be\u7406\u89e3\u5566！\u56e0\u4e3a\u672c\u5730\u7aef\u5904\u7406\u5f88\u7b80\u5355， \u800c\u6211\u4eec\u7684\u7cfb\u7edf\u672c\u6765\u5c31\u6709\u63d0\u4f9b ssh \u7684\u670d\u52a1，\u6240\u4ee5，\u5e95\u4e0b\u9e1f\u54e5\u5c06\u76f4\u63a5\u4ecb\u7ecd\u5229\u7528 rsync \u900f\u8fc7 ssh \u6765\u5907\u4efd\u7684\u52a8\u4f5c\u5594\u3002 \u4e0d\u8fc7，\u5728\u6b64\u4e4b\u524d\u54b1\u4eec\u5148\u6765\u770b\u770b rsync \u7684\u8bed\u6cd5\u5427！<\/span><\/span><\/p>\n\n\n\n
                                                                                          [root@www ~]# rsync [-avrlptgoD] [-e ssh] [user@host:\/dir] [\/local\/path]<\/span>
                                                                                          \n\u9009\u9879\u4e0e\u53c2\u6570：
                                                                                          \n-v ：\u89c2\u5bdf\u6a21\u5f0f，\u53ef\u4ee5\u5217\u51fa\u66f4\u591a\u7684\u4fe1\u606f，\u5305\u62ec\u955c\u50cf\u65f6\u7684\u6863\u6848\u6863\u540d\u7b49；
                                                                                          \n-q ：\u4e0e -v \u76f8\u53cd，\u5b89\u9759\u6a21\u5f0f，\u7565\u8fc7\u6b63\u5e38\u4fe1\u606f，\u4ec5\u663e\u793a\u9519\u8bef\u8baf\u606f；
                                                                                          \n-r ：\u9012\u5f52\u590d\u5236！\u53ef\u4ee5\u9488\u5bf9\u300e\u76ee\u5f55\u300f\u6765\u5904\u7406！\u5f88\u91cd\u8981！
                                                                                          \n-u ：\u4ec5\u66f4\u65b0 (update)，\u82e5\u76ee\u6807\u6863\u6848\u8f83\u65b0，\u5219\u4fdd\u7559\u65b0\u6863\u6848\u4e0d\u4f1a\u8986\u76d6；
                                                                                          \n-l ：\u590d\u5236\u94fe\u63a5\u6587\u4ef6\u7684\u5c5e\u6027，\u800c\u975e\u94fe\u63a5\u7684\u76ee\u6807\u6e90\u6587\u4ef6\u5185\u5bb9；
                                                                                          \n-p ：\u590d\u5236\u65f6，\u8fde\u540c\u5c5e\u6027 (permission) \u4e5f\u4fdd\u5b58\u4e0d\u53d8！
                                                                                          \n-g ：\u4fdd\u5b58\u6e90\u6587\u4ef6\u7684\u62e5\u6709\u7fa4\u7ec4；
                                                                                          \n-o ：\u4fdd\u5b58\u6e90\u6587\u4ef6\u7684\u62e5\u6709\u4eba；
                                                                                          \n-D ：\u4fdd\u5b58\u6e90\u6587\u4ef6\u7684\u88c5\u7f6e\u5c5e\u6027 (device)
                                                                                          \n-t ：\u4fdd\u5b58\u6e90\u6587\u4ef6\u7684\u65f6\u95f4\u53c2\u6570；
                                                                                          \n-I ：\u5ffd\u7565\u66f4\u65b0\u65f6\u95f4 (mtime) \u7684\u5c5e\u6027，\u6863\u6848\u6bd4\u5bf9\u4e0a\u4f1a\u6bd4\u8f83\u5feb\u901f；
                                                                                          \n-z ：\u5728\u6570\u636e\u4f20\u8f93\u65f6，\u52a0\u4e0a\u538b\u7f29\u7684\u53c2\u6570！
                                                                                          \n-e ：\u4f7f\u7528\u7684\u4fe1\u9053\u534f\u8bae，\u4f8b\u5982\u4f7f\u7528 ssh \u901a\u9053，\u5219 -e ssh
                                                                                          \n-a ：\u76f8\u5f53\u4e8e -rlptgoD ，\u6240\u4ee5\u8fd9\u4e2a -a \u662f\u6700\u5e38\u7528\u7684\u53c2\u6570\u4e86！
                                                                                          \n\u66f4\u591a\u8bf4\u660e\u8bf7\u53c2\u8003 man rsync \u7684\u89e3\u8bf4！<\/span><\/p>\n

                                                                                          # 1. \u5c06 \/etc \u7684\u6570\u636e\u5907\u4efd\u5230 \/tmp \u5e95\u4e0b：<\/span>
                                                                                          \n[root@www ~]# rsync -av \/etc \/tmp<\/span>
                                                                                          \n….(\u524d\u9762\u7701\u7565)….<\/span>
                                                                                          \nsent 21979554 bytes received 25934 bytes 4000997.82 bytes\/sec
                                                                                          \ntotal size is 21877999 speedup is 0.99
                                                                                          \n[root@www ~]# ll -d \/tmp\/etc \/etc<\/span>
                                                                                          \ndrwxr-xr-x. 106 root root 12288 Jul 26 16:10 \/etc
                                                                                          \ndrwxr-xr-x. 106 root root 12288 Jul 26 16:10 \/tmp\/etc <==\u77a7！\u4e24\u4e2a\u76ee\u5f55\u4e00\u6837！<\/span>
                                                                                          \n# \u7b2c\u4e00\u6b21\u8fd0\u4f5c\u65f6\u4f1a\u82b1\u6bd4\u8f83\u4e45\u7684\u65f6\u95f4，\u56e0\u4e3a\u9996\u6b21\u5efa\u7acb\u561b！\u5982\u679c\u518d\u6b21\u5907\u4efd\u5462？<\/span><\/p>\n

                                                                                          [root@www ~]# rsync -av \/etc \/tmp<\/span>
                                                                                          \nsent 55716 bytes received 240 bytes 111912.00 bytes\/sec
                                                                                          \ntotal size is 21877999 speedup is 390.99
                                                                                          \n# \u6bd4\u8f83\u4e00\u4e0b\u4e24\u6b21 rsync \u7684\u4f20\u8f93\u4e0e\u63a5\u53d7\u6570\u636e\u91cf，\u4f60\u5c31\u4f1a\u53d1\u73b0\u7acb\u523b\u5c31\u8dd1\u5b8c\u4e86！
                                                                                          \n# \u4f20\u8f93\u7684\u6570\u636e\u4e5f\u5f88\u5c11！\u56e0\u4e3a\u518d\u6b21\u6bd4\u5bf9，\u4ec5\u6709\u5dee\u5f02\u7684\u6863\u6848\u4f1a\u88ab\u590d\u5236\u3002<\/span><\/p>\n

                                                                                          # 2. \u5229\u7528 student \u7684\u8eab\u4efd\u767b\u5165 clientlinux.centos.vbird \u5c06\u5bb6\u76ee\u5f55\u590d\u5236\u5230\u672c\u673a \/tmp<\/span>
                                                                                          \n[root@www ~]# rsync -av -e ssh student@192.168.100.10:~ \/tmp <\/span>
                                                                                          \nstudent@192.168.100.10's password: <==\u8f93\u5165\u5bf9\u65b9\u4e3b\u673a\u7684 student \u5bc6\u7801<\/span>
                                                                                          \nreceiving file list … done
                                                                                          \nstudent\/
                                                                                          \nstudent\/.bash_logout
                                                                                          \n….(\u4e2d\u95f4\u7701\u7565)….<\/span>
                                                                                          \nsent 110 bytes received 697 bytes 124.15 bytes\/sec
                                                                                          \ntotal size is 333 speedup is 0.41<\/p>\n

                                                                                          [root@www ~]# ll -d \/tmp\/student<\/span>
                                                                                          \ndrwx——. 4 student student 4096 Jul 26 16:52 \/tmp\/student
                                                                                          \n# \u77a7！\u8fd9\u6837\u5c31\u505a\u597d\u5907\u4efd\u5566！\u5f88\u7b80\u5355\u5427！<\/span>
                                                                                          \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                          \u4f60\u53ef\u4ee5\u5229\u7528\u4e0a\u9762\u7684\u8303\u4f8b\u4e8c\u6765\u505a\u4e3a\u5907\u4efd script \u7684\u53c2\u8003！\u4e0d\u8fc7\u8981\u6ce8\u610f\u7684\u662f，\u56e0\u4e3a rsync \u662f\u900f\u8fc7 ssh \u6765\u4f20\u8f93\u6570\u636e\u7684，\u6240\u4ee5\u4f60\u53ef\u4ee5\u9488\u5bf9 student \u8fd9\u4e2a\u5bb6\u4f19\u5236\u4f5c\u51fa\u514d\u7528\u5bc6\u7801\u767b\u5165\u7684 ssh \u5bc6\u94a5！ \u5982\u6b64\u4e00\u6765\u5f80\u540e\u5f02\u5730\u5907\u63f4\u7cfb\u7edf\u5c31\u80fd\u591f\u81ea\u52a8\u7684\u4ee5 crontab \u6765\u8fdb\u884c\u5907\u4efd\u4e86！\u7b80\u5355\u5230\u7206！<\/span><\/span><\/p>\n

                                                                                          \u514d\u5bc6\u7801\u7684 ssh \u8d26\u53f7\u6211\u4eec\u5728\u4e0a\u5934\u5df2\u7ecf\u8bb2\u8fc7\u4e86，\u64b0\u5199 shell script \u7684\u80fd\u529b\u4e5f\u662f\u5fc5\u987b\u8981\u6709\u7684！\u5229\u7528 rsync \u6765\u8fdb\u884c\u4f60\u7684\u5907\u4efd\u5de5\u4f5c\u5427！ ^_^！\u81f3\u4e8e\u66f4\u591a\u7684 rsync \u7528\u6cd5\u53ef\u4ee5\u53c2\u8003\u672c\u7ae0\u540e\u9762\u6240\u5217\u51fa\u7684\u53c2\u8003\u7f51\u7ad9(\u6ce810)\u5594！<\/span><\/span><\/p>\n\n\n\n
                                                                                          \u4f8b\u9898：<\/span><\/span> <\/p>\n

                                                                                          \u5728 clientlinux.centos.vbird (192.168.100.10) \u4e0a\u9762，\u4f7f\u7528 vbirdtsai \u7684\u8eab\u4efd\u5efa\u7acb\u4e00\u53ea\u811a\u672c，\u8fd9\u53ea\u811a\u672c\u53ef\u4ee5\u5728\u6bcf\u5929\u7684 2:00am \u4e3b\u52a8\u7684\u4ee5 rsync \u914d\u5408 ssh \u53d6\u5f97 www.centos.vbird (192.168.100.254) \u7684 \/etc, \/root, \/home \u4e09\u4e2a\u76ee\u5f55\u7684\u955c\u50cf\u5230 clientlinux.centos.vbird \u7684 \/backups\/ \u5e95\u4e0b\u3002<\/span><\/span>
                                                                                          \n \u7b54：<\/span><\/span> <\/p>\n

                                                                                          \u7531\u4e8e\u5fc5\u987b\u8981\u900f\u8fc7 ssh \u901a\u9053，\u4e14\u5fc5\u987b\u8981\u4f7f\u7528 crontab \u4f8b\u884c\u5de5\u4f5c\u6392\u7a0b，\u56e0\u6b64\u80af\u5b9a\u8981\u4f7f\u7528\u5bc6\u94a5\u7cfb\u7edf\u7684\u514d\u5bc6\u7801\u8d26\u53f7\u3002\u6211\u4eec\u5728 11.2.6 \u5c0f\u8282\u5df2\u7ecf\u8c08\u8fc7\u76f8\u5173\u4f5c\u6cd5， vbirdtsai \u5df2\u7ecf\u6709\u4e86\u516c\u94a5\u4e0e\u79c1\u94a5\u6863\u6848，\u56e0\u6b64\u4e0d\u8981\u518d\u4f7f\u7528 ssh-keygen \u4e86，\u76f4\u63a5\u5c06\u516c\u94a5\u6863\u6848\u590d\u5236\u5230 www.centos.vbird \u7684 \/root\/.ssh\/ \u5e95\u4e0b\u5373\u53ef\u3002 \u5b9e\u9645\u4f5c\u6cd5\u53ef\u4ee5\u662f\u8fd9\u6837\u7684：<\/span><\/span> <\/p>\n\n\n\n
                                                                                          # 1. \u5728 clientlinux.centos.vbird \u5c06\u516c\u94a5\u6863\u590d\u5236\u7ed9 www.centos.vbird \u7684 root<\/span>
                                                                                          \n[vbirdtsia@clientlinux ~]$ scp ~\/.ssh\/id_rsa.pub root@192.168.100.254:~<\/span><\/p>\n

                                                                                          # 2. \u5728 www.centos.vbird \u4e0a\u9762\u7528 root \u5efa\u7f6e\u597d authorized_keys<\/span>
                                                                                          \n[root@www ~]# ls -ld id_rsa.pub .ssh<\/span>
                                                                                          \n-rw-r–r–. 1 root root 416 Jul 26 16:59 id_rsa.pub <==\u6709\u516c\u94a5\u6863<\/span>
                                                                                          \ndrwx——. 2 root root 4096 Jul 25 11:44 .ssh <==\u6709 ssh \u7684\u76f8\u5173\u76ee\u5f55<\/span><\/p>\n

                                                                                          [root@www ~]# cat id_rsa.pub >> ~\/.ssh\/authorized_keys<\/span>
                                                                                          \n[root@www ~]# chmod 644 ~\/.ssh\/authorized_keys<\/span><\/p>\n

                                                                                          # 3. \u5728 clientlinux.centos.vbird \u4e0a\u9762\u64b0\u5199 script \u5e76\u6d4b\u8bd5\u6267\u884c：<\/span>
                                                                                          \n[vbirdtsai@clientlinux ~]$ mkdir ~\/bin ; vim ~\/bin\/backup_www.sh<\/span>
                                                                                          \n#!\/bin\/bash
                                                                                          \nlocaldir=\/backups
                                                                                          \nremotedir="\/etc \/root \/home"
                                                                                          \nremoteip="192.168.100.254"<\/p>\n

                                                                                          [ -d ${localdir} ] || mkdir ${localdir}
                                                                                          \nfor dir in ${remotedir}
                                                                                          \ndo
                                                                                          \n rsync -av -e ssh root@${remoteip}:${dir} ${localdir}
                                                                                          \ndone<\/p>\n

                                                                                          [vbirdtsai@clientlinux ~]$ chmod 755 ~\/bin\/backup_www.sh<\/span>
                                                                                          \n[vbirdtsai@clientlinux ~]$ ~\/bin\/backup_www.sh<\/span>
                                                                                          \n# \u4e0a\u9762\u5728\u6d4b\u8bd5\u5566！\u7b2c\u4e00\u6b21\u6d4b\u8bd5\u53ef\u80fd\u4f1a\u5931\u8d25，\u56e0\u4e3a\u9e1f\u54e5\u5fd8\u8bb0 \/backups \u9700\u8981 root
                                                                                          \n# \u7684\u6743\u9650\u624d\u80fd\u591f\u5efa\u7acb\u3002\u6240\u4ee5，\u8bf7\u60a8\u518d\u4ee5 root \u7684\u8eab\u4efd\u53bb mkdir \u53ca setfacl \u5427！<\/span><\/p>\n

                                                                                          # 4. \u5efa\u7acb crontab \u5de5\u4f5c<\/span>
                                                                                          \n[vbirdtsai@clientlinux ~]$ crontab -e<\/span>
                                                                                          \n0 2 * * * \/home\/vbirdtsai\/bin\/backup_www.sh
                                                                                          \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                          \n

                                                                                          <\/span><\/span> <\/p>\n

                                                                                          \"\u5c0f\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                                                                                          11.6.3 \u900f\u8fc7 ssh \u901a\u9053\u52a0\u5bc6\u539f\u672c\u65e0\u52a0\u5bc6\u7684\u670d\u52a1<\/span><\/span><\/span> <\/p>\n

                                                                                          \u73b0\u5728\u6211\u4eec\u77e5\u9053 ssh \u8fd9\u4e2a\u901a\u9053\u53ef\u4ee5\u52a0\u5bc6，\u800c\u4e14，\u6211\u4eec\u66f4\u77e5\u9053 rsync \u9ed8\u8ba4\u5df2\u7ecf\u53ef\u4ee5\u900f\u8fc7 ssh \u901a\u9053\u6765\u8fdb\u884c\u52a0\u5bc6\u4ee5\u8fdb\u884c\u955c\u50cf\u4f20\u8f93\u3002 \u65e2\u7136\u5982\u6b64，\u90a3\u4e48\u5176\u4ed6\u7684\u670d\u52a1\u80fd\u4e0d\u80fd\u900f\u8fc7\u8fd9\u4e2a ssh \u8fdb\u884c\u6570\u636e\u52a0\u5bc6\u6765\u4f20\u9001\u4fe1\u606f\u5462？\u5f53\u7136\u53ef\u4ee5！\u5f88\u68d2\u5462\u8fd9\u4e2a\u529f\u80fd！ \u8981\u4ecb\u7ecd\u5b9e\u505a\u4e4b\u524d，\u6211\u4eec\u5148\u7528\u56fe\u793a\u6765\u8c08\u4e00\u4e0b\u4f5c\u6cd5\u3002<\/span><\/span><\/p>\n

                                                                                          \u5047\u8bbe\u670d\u52a1\u5668\u4e0a\u9762\u6709\u542f\u52a8\u4e86 VNC \u670d\u52a1\u5728 port 5901 ，\u5ba2\u6237\u7aef\u5219\u4f7f\u7528 vncviewer \u8981\u8054\u673a\u5230\u670d\u52a1\u5668\u4e0a\u7684 port 5901 \u5c31\u662f\u4e86\u3002 \u90a3\u73b0\u5728\u6211\u4eec\u5728\u5ba2\u6237\u7aef\u8ba1\u7b97\u673a\u4e0a\u9762\u542f\u52a8\u4e00\u4e2a 5911 \u7684\u57e0\u53e3，\u7136\u540e\u518d\u900f\u8fc7\u672c\u5730\u7aef\u7684 ssh \u8054\u673a\u5230\u670d\u52a1\u5668\u7684 sshd \u53bb，\u800c\u670d\u52a1\u5668\u7684 sshd \u518d\u53bb\u8fde\u63a5\u670d\u52a1\u5668\u7684 VNC port 5901 \u3002\u6574\u4e2a\u8054\u673a\u7684\u56fe\u793a\u5982\u4e0b\u6240\u793a：<\/span><\/span><\/p>\n

                                                                                          \"\u900f\u8fc7\u672c\u5730\u7aef\u7684<\/p>\n

                                                                                          \u56fe 11.6-1\u3001\u900f\u8fc7\u672c\u5730\u7aef\u7684 ssh \u52a0\u5bc6\u8054\u673a\u5230\u8fdc\u7a0b\u7684\u670d\u52a1\u5668\u793a\u610f\u56fe<\/span><\/span><\/p>\n

                                                                                          \u5047\u8bbe\u4f60\u5df2\u7ecf\u900f\u8fc7\u4e0a\u8ff0\u5404\u4e2a\u5c0f\u8282\u5efa\u7acb\u597d\u670d\u52a1\u5668 (www.centos.vbird) \u4e0a\u9762\u7684 VNC port 5901 ，\u800c\u5ba2\u6237\u7aef\u5219\u6ca1\u6709\u542f\u52a8\u4efb\u4f55\u7684 VNC \u57e0\u53e3\u3002 \u90a3\u4e48\u4f60\u8be5\u5982\u4f55\u900f\u8fc7 ssh \u6765\u8fdb\u884c\u52a0\u5bc6\u5462？\u5f88\u7b80\u5355，\u4f60\u53ef\u4ee5\u5728\u5ba2\u6237\u7aef\u8ba1\u7b97\u673a (clientlinux.centos.vbird) \u6267\u884c\u5e95\u4e0b\u7684\u6307\u4ee4：<\/span><\/span><\/p>\n\n\n\n
                                                                                          [root@clientlinux ~]# ssh -L \u672c\u5730\u57e0\u53e3:127.0.0.1:\u8fdc\u7a0b\u7aef\u53e3 [-N] \u8fdc\u7a0b\u4e3b\u673a<\/span>
                                                                                          \n\u9009\u9879\u4e0e\u53c2\u6570：
                                                                                          \n-N ：\u4ec5\u542f\u52a8\u8054\u673a\u901a\u9053，\u4e0d\u767b\u5165\u8fdc\u7a0b sshd \u670d\u52a1\u5668
                                                                                          \n\u672c\u5730\u57e0\u53e3：\u5c31\u662f\u5f00\u542f 127.0.0.1 \u4e0a\u9762\u4e00\u4e2a\u76d1\u542c\u7684\u57e0\u53e3
                                                                                          \n\u8fdc\u7a0b\u57e0\u53e3：\u6307\u5b9a\u8054\u673a\u5230\u540e\u9762\u8fdc\u7a0b\u4e3b\u673a\u7684 sshd \u540e，sshd \u8be5\u8fde\u5230\u54ea\u4e2a\u57e0\u53e3\u8fdb\u884c\u4f20\u8f93<\/span><\/p>\n

                                                                                          # 1. \u5728\u5ba2\u6237\u7aef\u542f\u52a8\u6240\u9700\u8981\u7684\u7aef\u53e3\u8fdb\u884c\u7684\u6307\u4ee4<\/span>
                                                                                          \n[root@clientlinux ~]# ssh -L 5911:127.0.0.1:5901 -N 192.168.100.254<\/span>
                                                                                          \nroot@192.168.100.254's password:
                                                                                          \n <==\u767b\u5165\u8fdc\u7a0b\u4ec5\u662f\u5f00\u542f\u4e00\u4e2a\u76d1\u542c\u57e0\u53e3，\u6240\u4ee5\u505c\u6b62\u4e0d\u80fd\u52a8\u4f5c<\/span><\/p>\n

                                                                                          # 2. \u5728\u5ba2\u6237\u7aef\u5728\u53e6\u4e00\u4e2a\u7ec8\u7aef\u673a\u6d4b\u8bd5\u770b\u770b，\u8fd9\u4e2a\u52a8\u4f5c\u4e0d\u9700\u8981\u4f5c，\u53ea\u662f\u67e5\u9605\u800c\u5df2<\/span>
                                                                                          \n[root@clientlinux ~]# netstat -tnlp| grep ssh<\/span>
                                                                                          \ntcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 1330\/sshd
                                                                                          \ntcp 0 0 127.0.0.1:5911<\/span> 0.0.0.0:* LISTEN 3347\/ssh<\/span>
                                                                                          \ntcp 0 0 :::22 :::* LISTEN 1330\/sshd
                                                                                          \n[root@clientlinux ~]# netstat -tnap| grep ssh<\/span>
                                                                                          \ntcp 0 0 192.168.100.10:55490 192.168.100.254:22 ESTABLISHED 3347\/ssh<\/span>
                                                                                          \n# \u5728\u5ba2\u6237\u7aef\u542f\u52a8 5911 \u7684\u57e0\u53e3\u662f ssh \u542f\u52a8\u7684，\u540c\u4e00\u4e2a PID \u4e5f\u8054\u673a\u5230\u8fdc\u7a0b\u5594！<\/span>
                                                                                          \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                          \u63a5\u4e0b\u6765\u4f60\u5c31\u53ef\u4ee5\u5728\u5ba2\u6237\u7aef (192.168.100.10, clientlinux.centos.vbird) \u4f7f\u7528\u300e vncviewer localhost:5911 \u300f\u6765\u8054\u673a， \u4f46\u662f\u8be5\u8054\u673a\u5374\u4f1a\u8fde\u5230 www.centos.vbird (192.168.100.254) \u90a3\u90e8\u4e3b\u673a\u7684 port 5901 \u5594！\u4e0d\u76f8\u4fe1\u5417？ \u5f53\u4f60\u8fbe\u6210 VNC \u8054\u673a\u540e，\u5230 www.centos.vbird \u90a3\u90e8\u4e3b\u673a\u4e0a\u9762\u77a7\u77a7\u5c31\u77e5\u9053\u4e86：<\/span><\/span><\/p>\n\n\n\n
                                                                                          # 3. \u5728\u670d\u52a1\u5668\u7aef\u6d4b\u8bd5\u770b\u770b，\u8fd9\u4e2a\u52a8\u4f5c\u4e0d\u9700\u8981\u4f5c，\u53ea\u662f\u67e5\u9605\u800c\u5df2<\/span>
                                                                                          \n[root@www ~]# netstat -tnp | grep ssh<\/span>
                                                                                          \ntcp 0 0 127.0.0.1:59442 127.0.0.1:5901 ESTABLISHED 7623\/sshd: root
                                                                                          \ntcp 0 0 192.168.100.254:22 192.168.100.10:55490 ESTABLISHED 7623\/sshd: root
                                                                                          \n# \u660e\u663e\u7684\u770b\u5230 port 22 \u7684\u7a0b\u5e8f\u540c\u65f6\u8054\u673a\u5230 port 5901 \u5594！<\/span>
                                                                                          \n<\/span><\/span><\/span> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                          \u90a3\u5982\u4f55\u53d6\u6d88\u8fd9\u4e2a\u8054\u673a\u5462？\u5148\u5173\u95ed VNC \u4e4b\u540e，\u7136\u540e\u518d\u5c06 clientlinux.centos.vbird \u7684\u7b2c\u4e00\u4e2a\u52a8\u4f5c (ssh -L …) \u6309\u4e0b [ctrl]-c \u5c31\u4e2d\u65ad\u8fd9\u4e2a\u52a0\u5bc6\u901a\u9053\u5570！\u8fd9\u6837\u4f1a\u4f7f\u7528\u4e86\u5417？\u4f60\u53ef\u4ee5\u5c06\u8fd9\u4e2a\u52a8\u4f5c\u7528\u5728\u4efb\u4f55\u670d\u52a1\u4e0a\u5594！<\/span><\/span><\/p>\n

                                                                                          \n

                                                                                          <\/span><\/span> <\/p>\n

                                                                                          \"\u5c0f\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                                                                                          11.6.4 \u4ee5 ssh \u4fe1\u9053\u914d\u5408 X server \u4f20\u9012\u56fe\u5f62\u63a5\u53e3<\/span><\/span><\/span> <\/p>\n

                                                                                          \u4ece\u524d\u4e00\u4e2a\u5c0f\u8282\u6211\u4eec\u77e5\u9053 ssh \u53ef\u4ee5\u8fdb\u884c\u7a0b\u5e8f\u7684\u52a0\u5bc6\u4f20\u9012，\u4ea6\u5373 ssh \u901a\u9053\u5566！\u90a3\u4e48\u53ef\u4e0d\u53ef\u4ee5\u7528\u5728 X \u4e0a\u9762\u5462？ \u610f\u601d\u662f\u8bf4，\u90a3\u6211\u80fd\u4e0d\u80fd\u4e0d\u8981\u542f\u52a8\u751a\u4e48\u5f88\u590d\u6742\u7684\u63a5\u53e3，\u5c31\u662f\u5728\u539f\u6709\u7684\u63a5\u53e3\u5e95\u4e0b\u4f7f\u7528 ssh \u4fe1\u9053，\u5c06\u6211\u6240\u9700\u8981\u7684\u670d\u52a1\u5668\u4e0a\u9762\u7684\u56fe\u5f62\u63a5\u53e3\u4f20\u8fc7\u6765\u5c31\u597d\u4e86？ \u662f\u53ef\u4ee5\u7684\u5594！\u9e1f\u54e5\u7528\u4e00\u4e2a Windows \u4e0a\u9762\u7684 Xming X server \u4f5c\u8303\u4f8b\u597d\u4e86\u3002\u6574\u4e2a\u52a8\u4f5c\u662f\u8fd9\u6837\u7684：<\/span><\/span><\/p>\n

                                                                                            \n
                                                                                          • \u5148\u5728 Windows \u4e0a\u9762\u542f\u52a8 XLaunch，\u5e76\u8bbe\u5b9a\u597d\u8054\u673a\u5230 www.centos.vbird \u7684\u76f8\u5173\u4fe1\u606f；<\/span><\/span><\/li>\n
                                                                                          • \u542f\u52a8 Xming \u7a0b\u5e8f，\u4f1a\u53d6\u5f97\u4e00\u4e2a xterm \u7a0b\u5e8f，\u8be5\u7a0b\u5e8f\u662f www.centos.vbird \u7684\u7a0b\u5e8f；<\/span><\/span><\/li>\n
                                                                                          • \u5f00\u59cb\u5728 xterm \u4e0a\u9762\u6267\u884c X \u8f6f\u4ef6，\u5c31\u4f1a\u5728 Windows \u684c\u9762\u4e0a\u9762\u663e\u793a\u5570！<\/span><\/span><\/li>\n<\/ul>\n

                                                                                            \u90a3\u6211\u4eec\u5c31\u5f00\u59cb\u6765\u5904\u7406\u4e00\u4e0b Xming \u8fd9\u4e2a\u7a0b\u5e8f\u5427！\u542f\u52a8 XLaunch \u4e4b\u540e\u51fa\u73b0\u4e0b\u56fe\u6a21\u6837：<\/span><\/span><\/p>\n

                                                                                            \"\u542f\u52a8<\/p>\n

                                                                                            \u56fe 11.6-2\u3001\u542f\u52a8 XLaunch \u7a0b\u5e8f-\u9009\u62e9\u663e\u793a\u6a21\u5f0f<\/span><\/span><\/p>\n

                                                                                            \u8bb0\u5f97\u4e0a\u56fe\u4e2d\u8981\u9009\u62e9 Multiple windows \u4f1a\u6bd4\u8f83\u6f02\u4eae\u5594！\u7136\u540e\u6309\u4e0b\u300e\u4e0b\u4e00\u6b65\u300f\u4f1a\u51fa\u73b0\u4e0b\u56fe：<\/span><\/span><\/p>\n

                                                                                            \"\u8bbe\u5b9a<\/p>\n

                                                                                            \u56fe 11.6-3\u3001\u8bbe\u5b9a XLaunch \u7a0b\u5e8f-\u9009\u62e9\u8054\u673a\u65b9\u5f0f<\/span><\/span><\/p>\n

                                                                                            \u6211\u4eec\u8981\u542f\u52a8\u4e00\u53ea\u7a0b\u5e8f，\u5e76\u4e14\u662f\u5f00\u653e\u5728 ssh\/putty \u4e4b\u7c7b\u7684\u8f6f\u4ef6\u5e2e\u5fd9\u8fdb\u884c ssh \u4fe1\u9053\u7684\u5efa\u7acb\u5594！\u7136\u540e\u4e0b\u4e00\u6b65\u5427\u3002<\/span><\/span><\/p>\n

                                                                                            \"\u8bbe\u5b9a<\/p>\n

                                                                                            \u56fe 11.6-4\u3001\u8bbe\u5b9a XLaunch \u7a0b\u5e8f-\u8bbe\u5b9a\u8fdc\u7a0b\u8054\u673a\u7684\u76f8\u5173\u53c2\u6570<\/span><\/span><\/p>\n

                                                                                            Xming \u4f1a\u4e3b\u52a8\u7684\u542f\u52a8\u4e00\u4e2a putty \u7684\u7a0b\u5e8f\u5e2e\u4f60\u8fde\u8fdb sshd \u670d\u52a1\u5668，\u6240\u4ee5\u8fd9\u91cc\u5f97\u8981\u5e2e\u5fd9\u8bbe\u5b9a\u597d\u8d26\u53f7\u5bc6\u7801\u7684\u76f8\u5173\u4fe1\u606f\u3002 \u9e1f\u54e5\u8fd9\u91cc\u5047\u8bbe\u4f60\u7684 sshd \u5c1a\u672a\u53d6\u6d88 root \u767b\u5165，\u56e0\u6b64\u8fd9\u91cc\u4f7f\u7528 root \u7684\u6743\u9650\u5594！<\/span><\/span><\/p>\n

                                                                                            \"\u8bbe\u5b9a<\/p>\n

                                                                                            \u56fe 11.6-5\u3001\u8bbe\u5b9a XLaunch \u7a0b\u5e8f-\u662f\u5426\u652f\u6301\u590d\u5236\u8d34\u4e0a\u529f\u80fd<\/span><\/span><\/p>\n

                                                                                            \u4f7f\u7528\u9ed8\u8ba4\u503c\u5427！\u76f4\u63a5\u4e0b\u4e00\u6b65\u3002<\/span><\/span><\/p>\n

                                                                                            \"\u8bbe\u5b9a<\/p>\n

                                                                                            \u56fe 11.6-6\u3001\u8bbe\u5b9a XLaunch \u7a0b\u5e8f-\u5b8c\u6210\u8bbe\u5b9a<\/span><\/span><\/p>\n

                                                                                            \u5f88\u7b80\u5355！\u8fd9\u6837\u5c31\u5b8c\u6210\u8bbe\u5b9a\u4e86！\u8bf7\u6309\u4e0b\u5b8c\u6210，\u4f60\u5c31\u4f1a\u770b\u5230 Windows \u7684\u684c\u9762\u7adf\u7136\u51fa\u73b0\u5982\u4e0b\u7684\u56fe\u793a\u4e86！<\/span><\/span><\/p>\n

                                                                                            \"Windows<\/p>\n

                                                                                            \u56fe 11.6-7\u3001Windows \u684c\u9762\u51fa\u73b0\u7684 X client \u7a0b\u5e8f<\/span><\/span><\/p>\n

                                                                                            \u4e0a\u9762\u8fd9\u53ea\u7a0b\u5e8f\u5c31\u662f xterm \u8fd9\u4e2a X \u7684\u7ec8\u7aef\u673a\u7a0b\u5e8f\u3002\u4f60\u53ef\u4ee5\u5728\u4e0a\u9762\u8f93\u5165\u6307\u4ee4，\u8be5\u6307\u4ee4\u4f1a\u4f20\u9001\u5230 Linux server ， \u7136\u540e\u518d\u5c06\u4f60\u8981\u6267\u884c\u7684\u56fe\u5f62\u6570\u636e\u900f\u8fc7 ssh \u4fe1\u9053\u4f20\u9001\u5230\u76ee\u524d\u7684 Windows \u4e0a\u9762\u7684 Xming ，\u4f60\u7684 Linux \u5b8c\u5168\u4e0d\u7528\u542f\u52a8 VNC, X, xrdp \u7b49\u670d\u52a1！\u53ea\u8981\u6709 sshd \u5c31\u641e\u5b9a\u4e86！\u5c31\u662f\u8fd9\u4e48\u7b80\u5355！\u4f8b\u5982\u9e1f\u54e5\u8f93\u5165\u51e0\u4e2a\u6e38\u620f\u7a0b\u5e8f， \u4f60\u7684 Windows \u7a97\u53e3 (\u770b\u4efb\u52a1\u680f\u5c31\u77e5\u9053\u4e86) \u5c31\u4f1a\u51fa\u73b0\u8fd9\u6837\u7684\u60c5\u51b5：<\/span><\/span><\/p>\n\n\n\n
                                                                                            Tips:\u4e8b\u5b9e\u4e0a，\u6211\u4eec\u7684 basic server \u5b89\u88c5\u65b9\u5f0f\u5e76\u6ca1\u6709\u5e2e\u4f60\u5b89\u88c5 xterm \u5594！\u6240\u4ee5，\u4f60\u5f97\u8981\u81ea\u5df1\u5b89\u88c5 xterm \u624d\u884c！ yum install xterm \u5c31\u5b89\u88c5\u597d\u5566！\u7136\u540e\u4e0a\u9762\u7684\u52a8\u4f5c\u518d\u91cd\u6765\u4e00\u6b21，\u5c31\u53ef\u4ee5\u6210\u529f\u5570！\u800c\u5e95\u4e0b\u7684\u56fe\u6807\u91cc\u9762\u7684\u76f8\u5173\u8f6f\u4ef6， \u4e5f\u662f\u9700\u8981\u4f60\u81ea\u5df1\u5b89\u88c5\u7684\u5466！ ^_^<\/span><\/span><\/span><\/td>\n\n

                                                                                            \"\u9e1f\u54e5\u7684\u56fe\u793a\"<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                            \"Windows<\/p>\n

                                                                                            \u56fe 11.6-8\u3001Windows \u684c\u9762\u51fa\u73b0\u7684 X client \u7a0b\u5e8f<\/span><\/span><\/p>\n

                                                                                            \n

                                                                                            \"\u5927\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                                                                                            11.7 \u91cd\u70b9\u56de\u987e<\/span><\/span><\/p>\n

                                                                                              \n
                                                                                            • \u8fdc\u7a0b\u8054\u673a\u670d\u52a1\u5668\u53ef\u4ee5\u8ba9\u4f7f\u7528\u8005\u5728\u4efb\u4f55\u4e00\u90e8\u8ba1\u7b97\u673a\u767b\u5165\u4e3b\u673a，\u4ee5\u4f7f\u7528\u4e3b\u673a\u7684\u8d44\u6e90\u6216\u7ba1\u7406\u4e0e\u7ef4\u62a4\u4e3b\u673a；<\/span><\/span><\/li>\n
                                                                                            • \u5e38\u89c1\u7684\u8fdc\u7a0b\u767b\u5f55\u670d\u52a1\u6709 rsh, telnet, ssh, vnc, xdmcp \u53ca RDP \u7b49；<\/span><\/span><\/li>\n
                                                                                            • telnet \u4e0e rsh \u90fd\u662f\u4ee5\u660e\u7801\u4f20\u8f93\u6570\u636e，\u5f53\u6570\u636e\u5728 Internet \u4e0a\u9762\u4f20\u8f93\u65f6\u8f83\u4e0d\u5b89\u5168；<\/span><\/span><\/li>\n
                                                                                            • ssh \u7531\u4e8e\u4f7f\u7528\u5bc6\u94a5\u7cfb\u7edf，\u56e0\u6b64\u6570\u636e\u5728 Internet \u4e0a\u9762\u4f20\u8f93\u65f6\u662f\u52a0\u5bc6\u8fc7\u7684，\u6240\u4ee5\u8f83\u4e3a\u5b89\u5168；<\/span><\/span><\/li>\n
                                                                                            • \u4f46 ssh \u8fd8\u662f\u5c5e\u4e8e\u6bd4\u8f83\u5371\u9669\u7684\u670d\u52a1，\u8bf7\u4e0d\u8981\u5bf9\u6574\u4e2a Internet \u5f00\u653e ssh \u7684\u53ef\u767b\u5165\u6743\u9650，\u53ef\u5229\u7528 iptables \u89c4\u8303\u53ef\u767b\u5165\u8303\u56f4；<\/span><\/span><\/li>\n
                                                                                            • ssh \u7684 public Key \u662f\u653e\u5728\u670d\u52a1\u5668\u7aef，\u800c private key \u662f\u653e\u5728 client \u7aef；<\/span><\/span><\/li>\n
                                                                                            • ssh \u7684\u8054\u673a\u673a\u5236\u6709\u4e24\u79cd\u7248\u672c，\u5efa\u8bae\u4f7f\u7528\u53ef\u786e\u8ba4\u8054\u673a\u6b63\u786e\u6027\u7684 version 2 ；<\/span><\/span><\/li>\n
                                                                                            • \u4f7f\u7528 ssh \u65f6，\u5c3d\u91cf\u4f7f\u7528\u7c7b\u4f3c email \u7684\u65b9\u5f0f\u6765\u767b\u5165，\u4ea6\u5373： ssh username@hostname<\/span><\/span><\/li>\n
                                                                                            • client \u7aef\u53ef\u4ee5\u6bd4\u5bf9 server \u4f20\u6765\u7684 public key \u7684\u4e00\u81f4\u6027，\u5229\u7528\u7684\u6863\u6848\u4e3a ~user\/.ssh\/known_hosts；<\/span><\/span><\/li>\n
                                                                                            • ssh \u7684 client \u7aef\u8f6f\u4ef6\u63d0\u4f9b ssh, scp, sftp \u7b49\u7a0b\u5e8f；<\/span><\/span><\/li>\n
                                                                                            • \u5236\u4f5c\u4e0d\u9700\u8981\u5bc6\u7801\u7684 ssh \u8d26\u53f7\u53ef\u5229\u7528 ssh-keygen -t rsa \u6765\u5236\u4f5c public, private Key pair；<\/span><\/span><\/li>\n
                                                                                            • \u4e0a\u8ff0\u6307\u4ee4\u6240\u5236\u4f5c\u51fa\u7684 public key \u5fc5\u987b\u8981\u4e0a\u4f20\u5230 server \u7684 ~user\/.ssh\/authorized_keys \u6863\u6848\u4e2d；<\/span><\/span><\/li>\n
                                                                                            • Xdmcp \u662f\u900f\u8fc7 X display manager (xdm, gdm, kdm \u7b49) \u6240\u63d0\u4f9b\u7684\u529f\u80fd\u534f\u8bae；<\/span><\/span><\/li>\n
                                                                                            • \u82e5 client \u7aef\u4e3a Linux \u65f6，\u9700\u8981\u5728 X \u73af\u5883\u4e0b\u4ee5 xhost \u589e\u52a0\u53ef\u8fde\u63a5\u5230\u672c\u673a X Server \u7684 IP \u624d\u884c；<\/span><\/span><\/li>\n
                                                                                            • \u9664\u4e86 Xdmcp \u4e4b\u5916，\u6211\u4eec\u53ef\u4ee5\u5229\u7528 VNC \u6765\u8fdb\u884c X \u7684\u8fdc\u7a0b\u767b\u5f55\u67b6\u6784；<\/span><\/span><\/li>\n
                                                                                            • VNC \u9884\u8bbe\u5f00\u7684 port number \u4e3a 5900 \u5f00\u59cb，\u6bcf\u4e2a port \u4ec5\u5141\u8bb8\u4e00\u4e2a\u8054\u673a；<\/span><\/span><\/li>\n
                                                                                            • rsync \u53ef\u900f\u8fc7 ssh \u7684\u670d\u52a1\u901a\u9053\u6216 rsync –daemon \u7684\u65b9\u5f0f\u6765\u8054\u673a\u4f20\u8f93，\u5176\u4e3b\u8981\u529f\u80fd\u53ef\u4ee5\u900f\u8fc7\u7c7b\u4f3c\u955c\u50cf\u5907\u4efd， \u4ec5\u5907\u4efd\u65b0\u7684\u6570\u636e，\u56e0\u6b64\u4f20\u8f93\u5907\u4efd\u901f\u5ea6\u76f8\u5f53\u5feb\u901f！<\/span><\/span><\/li>\n<\/ul>\n
                                                                                              \n

                                                                                              \"\u5927\u6807\u9898\u7684\u56fe\u793a\"<\/p>\n

                                                                                              11.8 \u672c\u7ae0\u4e60\u9898<\/span><\/span><\/p>\n

                                                                                                \n
                                                                                              • Telnet \u4e0e SSH \u90fd\u662f\u8fdc\u7a0b\u8054\u673a\u670d\u52a1\u5668，\u4e3a\u4f55\u6211\u4eec\u90fd\u4f1a\u63a8\u8350\u4f7f\u7528 SSH \u800c\u907f\u514d\u4f7f\u7528 Telnet \u5462？\u539f\u56e0\u4f55\u5728？<\/span><\/span>\n

                                                                                                \u56e0\u4e3a Telnet \u9664\u4e86\u4f7f\u7528\u300e\u660e\u7801\u300f\u4f20\u9001\u6570\u636e\u5916，\u672c\u8eab telnet \u5c31\u662f\u5f88\u5bb9\u6613\u88ab\u5165\u4fb5\u7684\u4e00\u4e2a\u670d\u52a1\u5668，\u6240\u4ee5\u5f53\u7136\u4e5f\u5c31\u6bd4\u8f83\u5371\u9669\u4e86\u3002 \u81f3\u4e8e ssh \u5176\u5b9e\u4e5f\u4e0d\u662f\u5f88\u5b89\u5168\u7684！\u7531\u53f0\u6e7e\u8ba1\u7b97\u673a\u5371\u673a\u5904\u7406\u5c0f\u7ec4\u7684\u6587\u4ef6\u53ef\u4ee5\u660e\u663e\u7684\u53d1\u73b0 openssl + openssh \u4e5f\u662f\u5e38\u5e38\u6709\u6f0f\u6d1e\u5728\u53d1\u5e03！\u4e0d\u8fc7，\u6bd4\u8d77 telnet \u6765\u8bf4，\u786e\u5b9e\u662f\u7a0d\u5fae\u5b89\u5168\u4e00\u4e9b！<\/span><\/span><\/span>\n <\/li>\n

                                                                                              • \u8bf7\u5c1d\u8bd5\u8bf4\u660e SSH \u5728 Server \u4e0e Client \u7aef\u8054\u673a\u65f6\u7684\u5c01\u5305\u52a0\u5bc6\u673a\u5236；<\/span><\/span>\n

                                                                                                \u5229\u7528 key pair \u6765\u8fbe\u5230\u52a0\u5bc6\u7684\u673a\u5236：Server \u63d0\u4f9b Public Key \u7ed9 Client \u7aef\u6f14\u7b97 Private key ，\u4ee5\u63d0\u4f9b\u5c01\u5305\u4f20\u9001\u65f6\u7684\u52a0\u5bc6\u3001\u89e3\u5bc6！<\/span><\/span><\/span>\n <\/li>\n

                                                                                              • \u8bf7\u95ee SSH \u7684\u914d\u7f6e\u6587\u4ef6\u662f\u54ea\u4e00\u4e2a？\u5982\u679c\u6211\u8981\u4fee\u6539\u8ba9 root \u65e0\u6cd5\u4f7f\u7528 SSH \u8054\u673a\u8fdb\u5165\u6211\u7684 SSH \u4e3b\u673a，\u5e94\u8be5\u5982\u4f55\u8bbe\u5b9a？\u53c8，\u5982\u679c\u8981\u8ba9 badbird \u8fd9\u4e2a\u7528\u6237\u65e0\u6cd5\u767b\u5165 SSH \u4e3b\u673a，\u8be5\u5982\u4f55\u8bbe\u5b9a？<\/span><\/span>\n

                                                                                                SSH \u914d\u7f6e\u6587\u4ef6\u6863\u540d\u4e3a sshd_config ，\u901a\u5e38\u653e\u7f6e\u5728 \/etc\/ssh\/sshd_config \u5185；\u5982\u679c\u4e0d\u60f3\u8ba9 root \u767b\u5165，\u53ef\u4ee5\u4fee\u6539 sshd_config \u5185\u7684\u53c2\u6570\u6210\u4e3a：\u300ePermitRootLogin no \u300f，\u5e76\u91cd\u65b0\u542f\u52a8 ssh \u6765\u8bbe\u5b9a！\u5982\u679c\u8981\u8ba9 badbird \u4f7f\u7528\u8005\u65e0\u6cd5\u767b\u5165，\u540c\u6837\u5728 sshd_config \u91cc\u9762\u8bbe\u5b9a\u4e3a：\u300eDenyUsers badbird\u300f\u5373\u53ef！<\/span><\/span><\/span>\n <\/li>\n

                                                                                              • \u5728 Linux \u4e0a，\u9884\u8bbe\u7684 Telnet \u4e0e SSH \u670d\u52a1\u5668\u4f7f\u7528\u7684\u57e0\u53e3(port number)\u5404\u4e3a\u591a\u5c11？<\/span><\/span>\n

                                                                                                telnet \u4e0e ssh \u7684\u57e0\u53e3\u5206\u522b\u662f：23 \u4e0e 22！\u8bf7\u53c2\u8003 \/etc\/services \u5594！<\/span><\/span><\/span>\n <\/li>\n

                                                                                              • \u5982\u679c\u53d1\u73b0\u6211\u65e0\u6cd5\u5728 Client \u7aef\u4f7f\u7528 ssh \u7a0b\u5e8f\u767b\u5165\u6211\u7684 Linux \u4e3b\u673a，\u4f46\u662f Linux \u4e3b\u673a\u5374\u4e00\u5207\u6b63\u5e38，\u53ef\u80fd\u7684\u539f\u56e0\u4e3a\u4f55？(\u9632\u706b\u5899\u3001known_hosts…)<\/span><\/span>\n

                                                                                                \u65e0\u6cd5\u767b\u5165\u7684\u539f\u56e0\u53ef\u80fd\u6709\u5f88\u591a，\u6700\u597d\u5148\u67e5\u8be2\u4e00\u4e0b \/var\/log\/messages \u91cc\u9762\u7684\u9519\u8bef\u8baf\u606f\u6765\u5224\u65ad，\u5f53\u7136，\u8fd8\u6709\u5176\u4ed6\u53ef\u80fd\u7684\u539f\u56e0\u4e3a：<\/span><\/span><\/span> <\/p>\n

                                                                                              • \u88ab\u9632\u706b\u5899\u6321\u4f4f\u4e86，\u8bf7\u4ee5 iptables -L -n \u6765\u5bdf\u770b，\u5f53\u7136\u4e5f\u8981\u5bdf\u770b \/etc\/hosts.deny；<\/span><\/span><\/span><\/li>\n
                                                                                              • \u53ef\u80fd\u7531\u4e8e\u4e3b\u673a\u91cd\u65b0\u542f\u52a8\u8fc7， public key \u6539\u53d8\u4e86，\u8bf7\u4fee\u6539\u4f60\u7684 ~\/ssh\/known_hosts \u91cc\u9762\u7684\u4e3b\u673a IP ；<\/span><\/span><\/span><\/li>\n
                                                                                              • \u53ef\u80fd\u7531\u4e8e \/etc\/ssh\/sshd_config \u91cc\u9762\u7684\u8bbe\u5b9a\u95ee\u9898，\u5bfc\u81f4\u4f60\u8fd9\u4e2a\u4f7f\u7528\u8005\u65e0\u6cd5\u4f7f\u7528；<\/span><\/span><\/span><\/li>\n
                                                                                              • \u5728 \/etc\/passwd \u91cc\u9762，\u4f60\u7684 user \u4e0d\u5177\u6709\u53ef\u4ee5\u767b\u5165\u7684 shell ；<\/span><\/span><\/span><\/li>\n
                                                                                              • \u5176\u4ed6\u56e0\u7d20(\u5982\u8d26\u53f7\u5bc6\u7801\u8fc7\u671f\u7b49\u7b49)<\/span><\/span><\/span><\/li>\n<\/li>\n
                                                                                              • \u65e2\u7136 ssh \u662f\u6bd4\u8f83\u5b89\u5168\u7684\u8d44\u6599\u5c01\u5305\u4f20\u9001\u65b9\u5f0f，\u90a3\u4e48\u6211\u5c31\u53ef\u4ee5\u5728 Internet \u4e0a\u9762\u5f00\u653e\u6211\u7684 Linux \u4e3b\u673a\u7684 SSH \u670d\u52a1\u4e86\u5417？！\u8bf7\u8bf4\u660e\u4f60\u9009\u62e9\u7684\u7b54\u6848\u7684\u539f\u56e0！<\/span><\/span>\n

                                                                                                \u6700\u597d\u4e0d\u8981\u5bf9 Internet \u5f00\u653e\u4f60\u7684 SSH \u670d\u52a1，\u56e0\u4e3a SSH \u7684\u52a0\u5bc6\u51fd\u5f0f\u5e93\u4f7f\u7528\u7684\u662f openssl ，\u4e00\u822c Linux distribution \u4f7f\u7528\u7684 SSH \u5219\u662f openssh ，\u8fd9\u4e24\u4e2a\u5957\u4ef6\u4e8b\u5b9e\u4e0a\u4ecd\u6709\u4e0d\u5c11\u7684\u6f0f\u6d1e\u88ab\u53d1\u5e03\u8fc7，\u56e0\u6b64，\u6700\u597d\u4e0d\u8981\u5bf9 Internet \u5f00\u653e，\u6bd5\u7adf SSH \u5bf9\u4e8e\u4e3b\u673a\u7684\u6743\u9650\u662f\u5f88\u9ad8\u7684！<\/span><\/span><\/span>\n <\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

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