{"id":29856,"date":"2025-04-20T13:31:20","date_gmt":"2025-04-20T05:31:20","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/29856.html"},"modified":"2025-04-20T13:31:20","modified_gmt":"2025-04-20T05:31:20","slug":"%e3%80%90ubuntu%e7%99%bb%e9%99%86%e4%b8%8d%e4%b8%8a%e3%80%91ubuntu%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%a4%9a%e6%ac%a1%e7%99%bb%e5%bd%95%e4%b8%8d%e4%b8%8a%ef%bc%8c%e6%98%be%e7%a4%baaccess-denied%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/29856.html","title":{"rendered":"\u3010Ubuntu\u767b\u9646\u4e0d\u4e0a\u3011Ubuntu\u670d\u52a1\u5668\u591a\u6b21\u767b\u5f55\u4e0d\u4e0a\uff0c\u663e\u793aAccess Denied\u89e3\u51b3\u529e\u6cd5"},"content":{"rendered":"<h3>\u5904\u7406\u8d26\u6237\u767b\u5f55\u5c1d\u8bd5\u6b21\u6570\u8fc7\u591a\u5bfc\u81f4\u65e0\u6cd5\u767b\u5f55\u7684\u60c5\u51b5<\/h3>\n<p>\u5f53\u8d85\u8fc7\u4e86\u670d\u52a1\u5668\u540c\u4e00\u4e2a\u8d26\u6237\u5bc6\u7801\u5c1d\u8bd5\u6b21\u6570\u9650\u5236\u540e&#xff0c;\u53ef\u80fd\u4e0d\u7ba1\u5bc6\u7801\u6b63\u786e\u4e0e\u5426\u90fd\u65e0\u6cd5\u767b\u5f55\u3002\u8fd9\u65f6\u5019\u53ef\u4ee5\u4f7f\u7528\u53e6\u4e00\u4e2a\u53ef\u4ee5\u767b\u5f55\u7684\u8d26\u6237&#xff0c;\u6216\u8005\u8bf7\u5176\u4ed6\u53ef\u4ee5\u767b\u5f55\u7684\u4eba\u5e2e\u5fd9\u89e3\u51b3\u3002<\/p>\n<p>\u6ce8\u610f&#xff1a;\u4ee5\u4e0b\u65b9\u6cd5\u90fd\u9700\u8981\u7ba1\u7406\u5458 sudo \u6743\u9650\u3002<\/p>\n<h4>\u6b65\u9aa4 1&#xff1a;\u67e5\u770b\u767b\u5f55\u5931\u8d25\u7684\u539f\u56e0<\/h4>\n<p>\u9996\u5148&#xff0c;\u67e5\u770b\u767b\u5f55\u5931\u8d25\u7684\u539f\u56e0&#xff0c;\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> <span class=\"token function\">grep<\/span> <span class=\"token function\">ssh<\/span> \/var\/log\/auth.log<\/p>\n<p>\u5982\u679c\u6709\u7c7b\u4f3c\u4ee5\u4e0b\u5185\u5bb9&#xff1a;<\/p>\n<p>user xxx tally <span class=\"token number\">10<\/span>, deny <span class=\"token number\">5<\/span><\/p>\n<p>\u8868\u660e\u9650\u5236\u662f deny&#061;5&#xff0c;\u5373\u5141\u8bb8 5 \u6b21\u767b\u5f55\u5c1d\u8bd5&#xff0c;\u7528\u6237\u5df2\u7ecf\u5c1d\u8bd5\u4e86 10 \u6b21\u3002<\/p>\n<h4>\u6b65\u9aa4 2&#xff1a;\u91cd\u7f6e\u767b\u5f55\u5931\u8d25\u7684\u5c1d\u8bd5\u6b21\u6570<\/h4>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u91cd\u7f6e\u5c1d\u8bd5\u6b21\u6570&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> pam_tally2 &#8211;user<span class=\"token operator\">&#061;<\/span>xxx &#8211;reset<\/p>\n<p>\u7136\u540e&#xff0c;\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u5c1d\u8bd5\u6b21\u6570\u662f\u5426\u88ab\u91cd\u7f6e\u4e3a 0&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> pam_tally2 &#8211;user<span class=\"token operator\">&#061;<\/span>xxx<\/p>\n<h4>\u6b65\u9aa4 3&#xff1a;\u8c03\u6574\u5c1d\u8bd5\u6b21\u6570\u7684\u9650\u5236<\/h4>\n<p>\u5982\u679c\u4f60\u60f3\u6c38\u4e45\u6027\u5730\u8c03\u6574\u767b\u5f55\u5c1d\u8bd5\u6b21\u6570\u9650\u5236&#xff0c;\u53ef\u4ee5\u7f16\u8f91 pam_tally2 \u914d\u7f6e\u3002<\/p>\n<p>\u6253\u5f00 PAM \u7684 sshd \u914d\u7f6e\u6587\u4ef6&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> <span class=\"token function\">nano<\/span> \/etc\/pam.d\/sshd<\/p>\n<p>\u627e\u5230\u7c7b\u4f3c\u4ee5\u4e0b\u7684\u884c&#xff1a;<\/p>\n<p>auth required pam_tally2.so <span class=\"token assign-left variable\">deny<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">5<\/span> <span class=\"token assign-left variable\">unlock_time<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">300<\/span><\/p>\n<p>\u4f60\u53ef\u4ee5\u6839\u636e\u9700\u8981\u4fee\u6539 deny \u7684\u503c&#xff0c;\u8868\u793a\u5141\u8bb8\u7684\u5931\u8d25\u5c1d\u8bd5\u6b21\u6570\u3002\u4f8b\u5982&#xff1a;<\/p>\n<p>auth required pam_tally2.so <span class=\"token assign-left variable\">deny<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">10<\/span> <span class=\"token assign-left variable\">unlock_time<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">300<\/span><\/p>\n<p>\u6ce8\u610f&#xff1a;\u4e0d\u5efa\u8bae\u5c06 deny \u503c\u8bbe\u7f6e\u5f97\u8fc7\u5927&#xff0c;\u56e0\u4e3a\u8fd9\u53ef\u80fd\u4f1a\u589e\u52a0\u88ab\u66b4\u529b\u7834\u89e3\u7684\u98ce\u9669\u3002<\/p>\n<h4>\u6b65\u9aa4 4&#xff1a;\u53d6\u6d88\u767b\u5f55\u5c1d\u8bd5\u6b21\u6570\u7684\u9650\u5236&#xff08;\u4e0d\u5efa\u8bae&#xff09;<\/h4>\n<p>\u5982\u679c\u4e0d\u5e0c\u671b\u4f7f\u7528\u767b\u5f55\u5931\u8d25\u6b21\u6570\u9650\u5236&#xff0c;\u4f60\u53ef\u4ee5\u79fb\u9664 pam_tally2&#xff0c;\u4ece\u800c\u53d6\u6d88\u767b\u5f55\u5c1d\u8bd5\u6b21\u6570\u7684\u9650\u5236\u3002<\/p>\n<p>\u5728 \/etc\/pam.d\/sshd \u4e2d&#xff0c;\u627e\u5230\u5e76\u5220\u9664\u6216\u6ce8\u91ca\u6389\u5305\u542b pam_tally2.so \u7684\u884c\u3002<\/p>\n<p>\u4fdd\u5b58\u6587\u4ef6\u540e&#xff0c;\u91cd\u65b0\u542f\u52a8 SSH \u670d\u52a1\u4ee5\u5e94\u7528\u66f4\u6539&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> systemctl restart <span class=\"token function\">ssh<\/span><\/p>\n<p>\u8fd9\u6837\u4f60\u5c31\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8c03\u6574\u767b\u5f55\u5c1d\u8bd5\u6b21\u6570\u9650\u5236&#xff0c;\u6216\u8005\u53d6\u6d88\u8be5\u9650\u5236\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.3k\u6b21\uff0c\u70b9\u8d5e8\u6b21\uff0c\u6536\u85cf2\u6b21\u3002\u5f53\u8d85\u8fc7\u4e86\u670d\u52a1\u5668\u540c\u4e00\u4e2a\u8d26\u6237\u5bc6\u7801\u5c1d\u8bd5\u6b21\u6570\u9650\u5236\u540e\uff0c\u53ef\u80fd\u4e0d\u7ba1\u5bc6\u7801\u6b63\u786e\u4e0e\u5426\u90fd\u65e0\u6cd5\u767b\u5f55\u3002\u8fd9\u65f6\u5019\u53ef\u4ee5\u4f7f\u7528\u53e6\u4e00\u4e2a\u53ef\u4ee5\u767b\u5f55\u7684\u8d26\u6237\uff0c\u6216\u8005\u8bf7\u5176\u4ed6\u53ef\u4ee5\u767b\u5f55\u7684\u4eba\u5e2e\u5fd9\u89e3\u51b3\u3002\u8fd9\u6837\u4f60\u5c31\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8c03\u6574\u767b\u5f55\u5c1d\u8bd5\u6b21\u6570\u9650\u5236\uff0c\u6216\u8005\u53d6\u6d88\u8be5\u9650\u5236\u3002\uff0c\u5373\u5141\u8bb8 5 \u6b21\u767b\u5f55\u5c1d\u8bd5\uff0c\u7528\u6237\u5df2\u7ecf\u5c1d\u8bd5\u4e86 10 \u6b21\u3002\u503c\u8bbe\u7f6e\u5f97\u8fc7\u5927\uff0c\u56e0\u4e3a\u8fd9\u53ef\u80fd\u4f1a\u589e\u52a0\u88ab\u66b4\u529b\u7834\u89e3\u7684\u98ce\u9669\u3002\u5982\u679c\u4f60\u60f3\u6c38\u4e45\u6027\u5730\u8c03\u6574\u767b\u5f55\u5c1d\u8bd5\u6b21\u6570\u9650\u5236\uff0c\u53ef\u4ee5\u7f16\u8f91\u3002\u5982\u679c\u4e0d\u5e0c\u671b\u4f7f\u7528\u767b\u5f55\u5931\u8d25\u6b21\u6570\u9650\u5236\uff0c\u4f60\u53ef\u4ee5\u79fb\u9664\u3002\u7684\u503c\uff0c\u8868\u793a\u5141\u8bb8\u7684\u5931\u8d25\u5c1d\u8bd5\u6b21\u6570\u3002\uff0c\u4ece\u800c\u53d6\u6d88\u767b\u5f55\u5c1d\u8bd5\u6b21\u6570\u7684\u9650\u5236\u3002\u4e2d\uff0c\u627e\u5230\u5e76\u5220\u9664\u6216\u6ce8\u91ca\u6389\u5305\u542b\u3002_ubuntu ssh access denied<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,103,43],"topic":[],"class_list":["post-29856","post","type-post","status-publish","format-standard","hentry","category-server","tag-linux","tag-ubuntu","tag-43"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010Ubuntu\u767b\u9646\u4e0d\u4e0a\u3011Ubuntu\u670d\u52a1\u5668\u591a\u6b21\u767b\u5f55\u4e0d\u4e0a\uff0c\u663e\u793aAccess Denied\u89e3\u51b3\u529e\u6cd5 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/29856.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010Ubuntu\u767b\u9646\u4e0d\u4e0a\u3011Ubuntu\u670d\u52a1\u5668\u591a\u6b21\u767b\u5f55\u4e0d\u4e0a\uff0c\u663e\u793aAccess Denied\u89e3\u51b3\u529e\u6cd5 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" 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