{"id":77510,"date":"2026-02-24T20:26:09","date_gmt":"2026-02-24T12:26:09","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/77510.html"},"modified":"2026-02-24T20:26:09","modified_gmt":"2026-02-24T12:26:09","slug":"%e7%bb%9f%e4%bf%a1uos%ef%bc%88debian%ef%bc%89%e6%9c%8d%e5%8a%a1%e5%99%a8%e9%ab%98%e5%8d%b1%e6%bc%8f%e6%b4%9e%e4%bf%ae%e5%a4%8d%e5%ae%9e%e6%88%98%ef%bc%9a%e4%bb%8e%e8%a1%a5%e4%b8%81%e5%ae%89%e8%a3%85","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/77510.html","title":{"rendered":"\u7edf\u4fe1UOS\uff08Debian\uff09\u670d\u52a1\u5668\u9ad8\u5371\u6f0f\u6d1e\u4fee\u590d\u5b9e\u6218\uff1a\u4ece\u8865\u4e01\u5b89\u88c5\u5230\u9632\u706b\u5899\u914d\u7f6e"},"content":{"rendered":"

1. \u5f53\u670d\u52a1\u5668\u4eae\u8d77\u7ea2\u706f：\u4e00\u6b21\u771f\u5b9e\u7684\u9ad8\u5371\u6f0f\u6d1e\u5e94\u6025\u54cd\u5e94<\/h3>\n

\u90a3\u5929\u4e0b\u5348，\u6211\u6b63\u5728\u60a0\u95f2\u5730\u559d\u7740\u5496\u5561，\u7a81\u7136\u76d1\u63a7\u5e73\u53f0\u7684\u544a\u8b66\u90ae\u4ef6\u50cf\u96ea\u7247\u4e00\u6837\u6d8c\u8fdb\u6765\u3002\u56db\u53f0\u6258\u7ba1\u5728\u4e91\u5e73\u53f0\u7684\u7edf\u4fe1UOS\u670d\u52a1\u5668，\u6e05\u4e00\u8272\u5730\u6807\u4e0a\u4e86\u201c\u9ad8\u5371\u6f0f\u6d1e\u201d\u7684\u7ea2\u8272\u6807\u7b7e\u3002\u5fc3\u8df3\u77ac\u95f4\u52a0\u901f，\u8fd9\u53ef\u4e0d\u662f\u666e\u901a\u7684\u7cfb\u7edf\u66f4\u65b0\u63d0\u9192，\u800c\u662f\u5b9e\u5b9e\u5728\u5728\u7684\u5b89\u5168\u5a01\u80c1\u3002\u6211\u7ba1\u7406\u7684\u8fd9\u51e0\u53f0\u670d\u52a1\u5668，\u627f\u8f7d\u7740\u516c\u53f8\u5185\u90e8\u7684\u91cd\u8981\u5e94\u7528\u548c\u6570\u636e，\u4e00\u65e6\u88ab\u5229\u7528，\u540e\u679c\u4e0d\u582a\u8bbe\u60f3\u3002\u8fd9\u79cd\u573a\u666f，\u76f8\u4fe1\u5f88\u591a\u8fd0\u7ef4\u670b\u53cb\u90fd\u9047\u5230\u8fc7，\u90a3\u79cd\u7d27\u5f20\u611f\u548c\u5fc5\u987b\u7acb\u523b\u884c\u52a8\u7684\u538b\u8feb\u611f，\u662f\u8fd9\u4efd\u5de5\u4f5c\u72ec\u7279\u7684\u201c\u9b45\u529b\u201d\u4e4b\u4e00\u3002<\/p>\n

\u8fd9\u6b21\u626b\u63cf\u51fa\u7684\u6f0f\u6d1e\u4e3b\u8981\u805a\u7126\u5728OpenSSH\u4e0a，\u5305\u62ecCVE-2020-15778\u3001CVE-2021-41617\u7b49\u3002\u7b80\u5355\u6765\u8bf4，OpenSSH\u662f\u6211\u4eec\u8fdc\u7a0b\u7ba1\u7406\u670d\u52a1\u5668\u7684\u201c\u5927\u95e8\u201d，\u8fd9\u4e9b\u6f0f\u6d1e\u5c31\u50cf\u95e8\u9501\u4e0a\u7684\u7f3a\u9677，\u53ef\u80fd\u8ba9\u653b\u51fb\u8005\u65e0\u9700\u6b63\u786e\u7684\u201c\u94a5\u5319\u201d\u5c31\u80fd\u6e9c\u8fdb\u6765，\u751a\u81f3\u6267\u884c\u6076\u610f\u547d\u4ee4\u3002\u5bf9\u4e8e\u670d\u52a1\u5668\u7ba1\u7406\u5458\u800c\u8a00，\u8fd9\u65e0\u5f02\u4e8e\u5bb6\u95e8\u6d1e\u5f00\u3002\u6211\u7684\u4efb\u52a1\u5c31\u662f\u5728\u653b\u51fb\u8005\u53d1\u73b0\u5e76\u5229\u7528\u8fd9\u4e9b\u7f3a\u9677\u4e4b\u524d，\u628a\u95e8\u9501\u4fee\u597d\u3001\u52a0\u56fa，\u751a\u81f3\u518d\u52a0\u4e00\u9053\u9632\u76d7\u95e8\u3002<\/p>\n

\u9762\u5bf9\u8fd9\u79cd\u60c5\u51b5，\u614c\u4e71\u662f\u6ca1\u7528\u7684\u3002\u6211\u8fc5\u901f\u5b9a\u4e0b\u4e86\u6e05\u6670\u7684\u4fee\u590d\u601d\u8def：\u5148\u6253\u8865\u4e01\u5835\u4e0a\u6f0f\u6d1e，\u518d\u914d\u7f6e\u9632\u706b\u5899\u7f29\u5c0f\u653b\u51fb\u9762\u3002\u8fd9\u5c31\u50cf\u5bb6\u91cc\u53d1\u73b0\u7a97\u6237\u7834\u4e86，\u7b2c\u4e00\u6b65\u80af\u5b9a\u662f\u8d76\u7d27\u628a\u73bb\u7483\u88c5\u4e0a（\u5b89\u88c5\u8865\u4e01），\u7b2c\u4e8c\u6b65\u662f\u68c0\u67e5\u5e76\u9501\u597d\u5176\u4ed6\u95e8\u7a97，\u751a\u81f3\u5b89\u88c5\u9632\u76d7\u7f51（\u914d\u7f6e\u9632\u706b\u5899\u7b56\u7565）\u3002\u6574\u4e2a\u6d41\u7a0b\u5fc5\u987b\u4e25\u8c28\u6709\u5e8f，\u5c24\u5176\u662f\u5728\u751f\u4ea7\u73af\u5883，\u4efb\u4f55\u8bef\u64cd\u4f5c\u90fd\u53ef\u80fd\u5bfc\u81f4\u670d\u52a1\u4e2d\u65ad\u3002\u4e0b\u9762，\u6211\u5c31\u628a\u8fd9\u6b21\u5b9e\u6218\u4e2d\u4ece\u6f0f\u6d1e\u786e\u8ba4\u3001\u79bb\u7ebf\u8865\u4e01\u5b89\u88c5\u5230\u9632\u706b\u5899\u6df1\u5ea6\u914d\u7f6e\u7684\u5168\u8fc7\u7a0b，\u4ee5\u53ca\u8e29\u8fc7\u7684\u5751\u548c\u603b\u7ed3\u7684\u7ecf\u9a8c，\u6beb\u65e0\u4fdd\u7559\u5730\u5206\u4eab\u7ed9\u4f60\u3002<\/p>\n

2. \u6f0f\u6d1e\u786e\u8ba4\u4e0e\u4fee\u590d\u73af\u5883\u51c6\u5907<\/h3>\n

\u52a8\u624b\u4fee\u590d\u4e4b\u524d，\u76f2\u76ee\u64cd\u4f5c\u662f\u5927\u5fcc\u3002\u9996\u5148\u5f97\u641e\u6e05\u695a：\u6f0f\u6d1e\u5230\u5e95\u5b58\u4e0d\u5b58\u5728？\u5f71\u54cd\u54ea\u4e2a\u8f6f\u4ef6？\u7cfb\u7edf\u73af\u5883\u5177\u4f53\u662f\u4ec0\u4e48？\u8fd9\u5c31\u50cf\u533b\u751f\u6cbb\u75c5，\u5f97\u5148\u786e\u8bca\u3002<\/p>\n

2.1 \u7cbe\u51c6\u5b9a\u4f4d\u6f0f\u6d1e\u4e0e\u7cfb\u7edf\u4fe1\u606f<\/p>\n

\u6211\u7528\u7684\u6f0f\u626b\u5de5\u5177\u7ed9\u51fa\u4e86\u6f0f\u6d1e\u7f16\u53f7，\u4f46\u4f5c\u4e3a\u7ba1\u7406\u5458，\u6211\u4eec\u9700\u8981\u81ea\u5df1\u624b\u52a8\u9a8c\u8bc1\u4e00\u4e0b\u3002\u767b\u5f55\u5230\u4efb\u610f\u4e00\u53f0\u670d\u52a1\u5668，\u901a\u8fc7\u51e0\u4e2a\u7b80\u5355\u7684\u547d\u4ee4\u5c31\u80fd\u6478\u6e05\u5bb6\u5e95：<\/p>\n

# \u67e5\u770b\u7cfb\u7edf\u7248\u672c，\u786e\u8ba4\u662f\u7edf\u4fe1UOS\u57fa\u4e8eDebian\u7684\u54ea\u4e2a\u7248\u672c
\ncat \/etc\/debian_version
\n# \u67e5\u770b\u5185\u6838\u548c\u67b6\u6784\u4fe1\u606f，\u8fd9\u5bf9\u5bfb\u627e\u5bf9\u5e94\u67b6\u6784\u7684\u8865\u4e01\u5305\u81f3\u5173\u91cd\u8981
\nuname -a
\n# \u67e5\u770b\u5f53\u524dOpenSSH\u76f8\u5173\u8f6f\u4ef6\u5305\u7684\u8be6\u7ec6\u7248\u672c
\ndpkg -l | grep openssh<\/p>\n

\u5f53\u65f6\u6211\u770b\u5230\u7684\u8f93\u51fa\u662f 10.3 \u548c aarch64，\u8fd9\u660e\u786e\u4e86\u73af\u5883：\u7edf\u4fe1UOS（Debian 10 buster），ARM64\u67b6\u6784\u3002\u8fd9\u4e00\u70b9\u6781\u5176\u91cd\u8981，\u56e0\u4e3a\u540e\u7eed\u4e0b\u8f7d\u7684\u8865\u4e01\u5305\u5fc5\u987b\u4e25\u683c\u5339\u914d\u7cfb\u7edf\u7248\u672c\u548cCPU\u67b6\u6784，x86\u7684\u5305\u88c5\u5728ARM\u670d\u52a1\u5668\u4e0a\u53ea\u4f1a\u5bfc\u81f4\u5b89\u88c5\u5931\u8d25\u751a\u81f3\u7cfb\u7edf\u5f02\u5e38\u3002<\/p>\n

2.2 \u83b7\u53d6\u6b63\u786e\u7684\u79bb\u7ebf\u8865\u4e01\u5305<\/p>\n

\u6211\u4eec\u7684\u670d\u52a1\u5668\u5904\u4e8e\u5185\u7f51\u73af\u5883，\u65e0\u6cd5\u76f4\u63a5\u8fde\u63a5\u4e92\u8054\u7f51\u8fdb\u884capt-get update\u548c\u5347\u7ea7，\u56e0\u6b64\u79bb\u7ebf\u5b89\u88c5\u662f\u552f\u4e00\u9014\u5f84\u3002\u5bfb\u627e\u8865\u4e01\u5305\u662f\u4e2a\u6280\u672f\u6d3b，\u4e0d\u80fd\u968f\u4fbf\u4ece\u7f51\u4e0a\u4e0b\u8f7d\u4e00\u4e2a\u5c31\u7528\u3002\u6700\u53ef\u9760\u7684\u6765\u6e90\u662f\u64cd\u4f5c\u7cfb\u7edf\u5382\u5546\u7684\u5b98\u65b9\u6e20\u9053\u6216\u5176\u6240\u57fa\u4e8e\u7684\u4e0a\u6e38\u53d1\u884c\u7248\u7684\u5b89\u5168\u4ed3\u5e93\u3002<\/p>\n

\u4ee5\u8fd9\u6b21\u9700\u8981\u4fee\u590d\u7684OpenSSH\u6f0f\u6d1e\u4e3a\u4f8b，\u6211\u4eec\u9700\u8981\u627e\u5230\u9002\u7528\u4e8eDebian 10 buster\u3001ARM64\u67b6\u6784\u7684openssh-client， openssh-sftp-server\u548copenssh-server\u7684\u66f4\u65b0\u5305\u3002\u6211\u5f53\u65f6\u7684\u505a\u6cd5\u662f，\u5728\u4e00\u53f0\u80fd\u8054\u7f51\u7684\u540c\u67b6\u6784\u6d4b\u8bd5\u673a\u4e0a，\u914d\u7f6e\u597d\u963f\u91cc\u4e91\u63d0\u4f9b\u7684Debian\u5b89\u5168\u66f4\u65b0\u6e90（debian-security），\u7136\u540e\u4f7f\u7528apt-get download\u547d\u4ee4\u7cbe\u51c6\u4e0b\u8f7d\u6240\u9700\u7684deb\u5305\u3002\u8fd9\u6837\u505a\u80fd\u6700\u5927\u7a0b\u5ea6\u4fdd\u8bc1\u5305\u7684\u6b63\u7edf\u6027\u548c\u517c\u5bb9\u6027\u3002<\/p>\n

# \u5728\u53ef\u8054\u7f51\u7684\u673a\u5668\u4e0a\u64cd\u4f5c\u793a\u4f8b
\napt-get download openssh-client openssh-sftp-server openssh-server<\/p>\n

\u4e0b\u8f7d\u5b8c\u6210\u540e，\u4f60\u4f1a\u5f97\u5230\u51e0\u4e2a.deb\u6587\u4ef6，\u8fd9\u5c31\u662f\u6211\u4eec\u7684\u201c\u6551\u547d\u8865\u4e01\u201d\u3002\u5c06\u5b83\u4eec\u901a\u8fc7U\u76d8\u3001\u5185\u7f51SFTP\u6216\u8005\u5176\u4ed6\u5b89\u5168\u7684\u79bb\u7ebf\u65b9\u5f0f，\u4f20\u8f93\u5230\u9700\u8981\u4fee\u590d\u7684\u670d\u52a1\u5668\u4e0a\u3002\u8bb0\u4f4f，\u6c38\u8fdc\u8981\u5bf9\u4e0b\u8f7d\u7684\u8f6f\u4ef6\u5305\u8fdb\u884c\u54c8\u5e0c\u6821\u9a8c（\u5982sha256sum），\u786e\u4fdd\u5176\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u672a\u88ab\u7be1\u6539，\u8fd9\u662f\u5b89\u5168\u8fd0\u7ef4\u7684\u57fa\u672c\u7d20\u517b\u3002<\/p>\n

3. \u6b65\u6b65\u4e3a\u8425：\u79bb\u7ebf\u8865\u4e01\u5b89\u88c5\u5b9e\u6218\u8be6\u89e3<\/h3>\n

\u8865\u4e01\u5305\u4e0a\u4f20\u5230\u670d\u52a1\u5668\u7684\u67d0\u4e2a\u76ee\u5f55（\u4f8b\u5982\/root\/patch\/）\u540e，\u771f\u6b63\u7684\u64cd\u4f5c\u5f00\u59cb\u4e86\u3002\u5b89\u88c5\u987a\u5e8f\u548c\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u7684\u9009\u62e9，\u90fd\u6709\u8bb2\u7a76\u3002<\/p>\n

3.1 \u4e25\u683c\u9075\u5b88\u7684\u5b89\u88c5\u987a\u5e8f：Client -> SFTP -> Server<\/p>\n

\u4e3a\u4ec0\u4e48\u662f\u8fd9\u4e2a\u987a\u5e8f？\u8fd9\u6d89\u53ca\u5230\u8f6f\u4ef6\u5305\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u3002openssh-server（\u670d\u52a1\u5668\u7aef）\u4f9d\u8d56\u4e8eopenssh-sftp-server（SFTP\u5b50\u7cfb\u7edf）\u548copenssh-client（\u5ba2\u6237\u7aef\u5de5\u5177）\u7684\u4e00\u4e9b\u6838\u5fc3\u5e93\u6587\u4ef6\u3002\u5982\u679c\u5148\u5b89\u88c5server，\u53ef\u80fd\u4f1a\u56e0\u4e3a\u4f9d\u8d56\u7684\u5e93\u6587\u4ef6\u7248\u672c\u4e0d\u5339\u914d\u800c\u62a5\u9519\u3002\u56e0\u6b64，\u7a33\u59a5\u7684\u5b89\u88c5\u987a\u5e8f\u662f：<\/p>\n

  • openssh-client<\/li>\n
  • openssh-sftp-server<\/li>\n
  • openssh-server<\/li>\n

    \u8fd9\u4e2a\u987a\u5e8f\u80fd\u786e\u4fdd\u5e95\u5c42\u4f9d\u8d56\u5148\u88ab\u66f4\u65b0，\u4e0a\u5c42\u670d\u52a1\u518d\u57fa\u4e8e\u65b0\u7684\u4f9d\u8d56\u8fdb\u884c\u914d\u7f6e\u3002\u8fdb\u5165\u5b58\u653e\u8865\u4e01\u5305\u7684\u76ee\u5f55，\u4f9d\u6b21\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4：<\/p>\n

    cd \/root\/patch\/
    \ndpkg -i openssh-client_7.9p1.10-deepin1_arm64.deb
    \ndpkg -i openssh-sftp-server_7.9p1.10-deepin1_arm64.deb
    \ndpkg -i openssh-server_7.9p1.10-deepin1_arm64.deb<\/p>\n

    \u6bcf\u6267\u884c\u4e00\u6761\u547d\u4ee4，\u4f60\u90fd\u4f1a\u770b\u5230dpkg\u5de5\u5177\u7684\u8f93\u51fa\u4fe1\u606f，\u5305\u62ec\u201c\u6b63\u5728\u51c6\u5907\u89e3\u5305\u201d\u3001\u201c\u6b63\u5728\u89e3\u5305\u201d\u3001\u201c\u6b63\u5728\u8bbe\u7f6e\u201d\u7b49\u3002\u53ea\u8981\u6ca1\u6709\u51fa\u73b0\u7ea2\u8272\u7684\u9519\u8bef（Error）\u63d0\u793a，\u901a\u5e38\u5c31\u662f\u987a\u5229\u7684\u3002\u5b89\u88c5client\u548csftp-server\u7684\u8fc7\u7a0b\u4e00\u822c\u5f88\u5e73\u6ed1\u3002<\/p>\n

    3.2 \u5904\u7406\u914d\u7f6e\u6587\u4ef6\u51b2\u7a81：\u4e00\u4e2a\u5173\u952e\u7684\u9009\u62e9<\/p>\n

    \u5728\u5b89\u88c5openssh-server\u5305\u65f6，\u4f60\u5f88\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e2a\u91cd\u8981\u7684\u63d0\u793a，\u8fd9\u662f\u79bb\u7ebf\u5347\u7ea7\u6216\u4fee\u6539\u7cfb\u7edf\u5173\u952e\u670d\u52a1\u65f6\u5e38\u89c1\u7684\u573a\u666f：<\/p>\n

    Configuration file '\/etc\/ssh\/sshd_config'
    \n==> Modified (by you or by a script) since installation.
    \n==> Package distributor has shipped an updated version.
    \nWhat would you like to do about it ?
    \nYour options are:
    \nY or I : install the package maintainer's version
    \nN or O : keep your currently-installed version
    \nD : show the differences between the versions
    \nZ : start a shell to examine the situation<\/p>\n

    \u8fd9\u91cc\u52a1\u5fc5\u8c28\u614e\u9009\u62e9！ \u8fd9\u4e2a\u914d\u7f6e\u6587\u4ef6（sshd_config）\u5305\u542b\u4e86SSH\u670d\u52a1\u7684\u6240\u6709\u8fd0\u884c\u53c2\u6570，\u6bd4\u5982\u7aef\u53e3\u53f7\u3001\u662f\u5426\u5141\u8bb8root\u767b\u5f55\u3001\u5bc6\u7801\u8ba4\u8bc1\u8bbe\u7f6e\u7b49\u3002\u5982\u679c\u4f60\u4e4b\u524d\u5df2\u7ecf\u6839\u636e\u4e1a\u52a1\u9700\u6c42\u4fee\u6539\u8fc7\u8fd9\u4e2a\u6587\u4ef6（\u6bd4\u5982\u6539\u4e86SSH\u7aef\u53e3\u3001\u542f\u7528\u4e86\u5bc6\u94a5\u767b\u5f55），\u90a3\u4e48\u9009\u62e9\u5b89\u88c5\u7ef4\u62a4\u8005\u7684\u7248\u672c（Y）\u4f1a\u8986\u76d6\u4f60\u6240\u6709\u7684\u81ea\u5b9a\u4e49\u914d\u7f6e，\u53ef\u80fd\u5bfc\u81f4SSH\u670d\u52a1\u65e0\u6cd5\u6309\u9884\u671f\u542f\u52a8，\u751a\u81f3\u628a\u81ea\u5df1\u5173\u5728\u670d\u52a1\u5668\u5916\u9762\u3002<\/p>\n

    \u6211\u7684\u5efa\u8bae\u662f，\u9664\u975e\u4f60\u786e\u5b9a\u81ea\u5df1\u6ca1\u6709\u4fee\u6539\u8fc7\u4efb\u4f55\u914d\u7f6e，\u6216\u8005\u613f\u610f\u5728\u5b89\u88c5\u540e\u91cd\u65b0\u914d\u7f6e，\u5426\u5219\u4e00\u5f8b\u9009\u62e9\u201cN\u201d\u6216\u201cO\u201d\u6765\u4fdd\u7559\u5f53\u524d\u5b89\u88c5\u7684\u672c\u5730\u7248\u672c\u3002\u8865\u4e01\u5305\u66f4\u65b0\u7684\u662f\u4e8c\u8fdb\u5236\u7a0b\u5e8f\u6587\u4ef6\u4ee5\u4fee\u590d\u6f0f\u6d1e，\u901a\u5e38\u4e0d\u4f1a\u5f3a\u5236\u8981\u6c42\u4f7f\u7528\u65b0\u7684\u914d\u7f6e\u6587\u4ef6\u3002\u9009\u62e9\u4fdd\u7559\u540e，\u539f\u6709\u7684\u670d\u52a1\u914d\u7f6e\u4f1a\u4fdd\u6301\u4e0d\u53d8，\u670d\u52a1\u4f1a\u4f7f\u7528\u65b0\u7684\u3001\u5df2\u4fee\u590d\u6f0f\u6d1e\u7684\u7a0b\u5e8f\u6587\u4ef6\u91cd\u65b0\u542f\u52a8\u3002<\/p>\n

    3.3 \u9a8c\u8bc1\u6f0f\u6d1e\u4fee\u590d\u662f\u5426\u6210\u529f<\/p>\n

    \u4e09\u4e2a\u5305\u90fd\u5b89\u88c5\u5b8c\u6210\u540e，\u4e0d\u8981\u4ee5\u4e3a\u5c31\u4e07\u4e8b\u5927\u5409\u4e86\u3002\u5fc5\u987b\u8fdb\u884c\u9a8c\u8bc1\u3002\u9996\u5148\u91cd\u542fSSH\u670d\u52a1（\u5982\u679c\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u6ca1\u6709\u81ea\u52a8\u91cd\u542f\u7684\u8bdd）：<\/p>\n

    systemctl restart sshd
    \nsystemctl status sshd # \u786e\u8ba4\u670d\u52a1\u72b6\u6001\u662factive (running)<\/p>\n

    \u7136\u540e，\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a\u975e\u5e38\u5b9e\u7528\u7684\u547d\u4ee4\u6765\u67e5\u9a8c\u5b89\u88c5\u7684\u8f6f\u4ef6\u5305\u662f\u5426\u786e\u5b9e\u5305\u542b\u4e86\u7279\u5b9aCVE\u6f0f\u6d1e\u7684\u4fee\u590d：<\/p>\n

    apt-get changelog openssh-server | grep -i CVE-2020-15778<\/p>\n

    \u8fd9\u4e2a\u547d\u4ee4\u4f1a\u67e5\u8be2openssh-server\u5305\u7684\u66f4\u65b0\u65e5\u5fd7，\u5e76\u8fc7\u6ee4\u51fa\u5305\u542b\u7279\u5b9aCVE\u7f16\u53f7\u7684\u8bb0\u5f55\u3002\u5982\u679c\u8f93\u51fa\u4e2d\u663e\u793a\u4e86\u8be5CVE\u7f16\u53f7\u53ca\u76f8\u5173\u7684\u4fee\u590d\u63cf\u8ff0（\u5982\u201cfixes command injection vulnerability\u201d），\u90a3\u5c31\u4ece\u8f6f\u4ef6\u5305\u5c42\u9762\u8bc1\u5b9e\u4e86\u4fee\u590d\u5df2\u7ecf\u751f\u6548\u3002\u5f53\u7136，\u6700\u76f4\u63a5\u7684\u9a8c\u8bc1\u65b9\u6cd5\u662f\u91cd\u65b0\u8fd0\u884c\u6f0f\u6d1e\u626b\u63cf，\u770b\u76f8\u5173\u9ad8\u5371\u6f0f\u6d1e\u662f\u5426\u5df2\u6d88\u5931\u3002\u5728\u6211\u7684\u5b9e\u6218\u4e2d，\u5b8c\u6210\u8fd9\u4e09\u6b65\u5b89\u88c5\u540e，\u91cd\u65b0\u6f0f\u626b，\u539f\u6765\u7684OpenSSH\u76f8\u5173\u9ad8\u5371\u6f0f\u6d1e\u63d0\u793a\u5c31\u5168\u90e8\u6e05\u9664\u4e86\u3002<\/p>\n

    4. \u6f0f\u6d1e\u201c\u5047\u9633\u6027\u201d\u4e0e\u9632\u706b\u5899\u7eb5\u6df1\u9632\u5fa1<\/h3>\n

    \u7136\u800c，\u6545\u4e8b\u5230\u8fd9\u91cc\u5e76\u6ca1\u6709\u7ed3\u675f\u3002\u6709\u65f6\u5019，\u5373\u4f7f\u4f60\u5df2\u7ecf\u5b89\u88c5\u4e86\u6240\u6709\u5b98\u65b9\u8865\u4e01，\u6f0f\u6d1e\u626b\u63cf\u5de5\u5177\u53ef\u80fd\u4ecd\u7136\u4f1a\u62a5\u544a\u4e00\u4e9b\u4e2d\u4f4e\u5371\u6f0f\u6d1e，\u6216\u8005\u56e0\u4e3a\u626b\u63cf\u7b56\u7565\u95ee\u9898\u51fa\u73b0\u201c\u5047\u9633\u6027\u201d\u3002\u8fd9\u65f6\u5019，\u5355\u7eaf\u7684\u8865\u4e01\u66f4\u65b0\u53ef\u80fd\u4e0d\u591f，\u6211\u4eec\u9700\u8981\u4ece\u7f51\u7edc\u8bbf\u95ee\u63a7\u5236\u7684\u5c42\u9762\u8fdb\u884c\u52a0\u56fa，\u8fd9\u5c31\u662f\u9632\u706b\u5899\u7684\u4ef7\u503c\u6240\u5728\u3002<\/p>\n

    4.1 \u7406\u89e3\u6f0f\u6d1e\u626b\u63cf\u7684\u5c40\u9650\u6027<\/p>\n

    \u5f88\u591a\u81ea\u52a8\u5316\u6f0f\u6d1e\u626b\u63cf\u5de5\u5177\u7684\u5de5\u4f5c\u539f\u7406，\u662f\u57fa\u4e8e\u7248\u672c\u53f7\u5339\u914d\u548c\u516c\u5f00\u7684\u6f0f\u6d1e\u63cf\u8ff0\u5e93\u3002\u5b83\u4eec\u53ef\u80fd\u4f1a\u53d1\u73b0\u67d0\u4e2a\u670d\u52a1\u5b58\u5728\u67d0\u4e2a\u901a\u7528\u6f0f\u6d1e，\u4f46\u8be5\u6f0f\u6d1e\u5728\u7279\u5b9a\u7684\u64cd\u4f5c\u7cfb\u7edf\u53d1\u884c\u7248（\u5982\u7edf\u4fe1UOS）\u4e0a，\u53ef\u80fd\u5df2\u7ecf\u88ab\u5382\u5546\u901a\u8fc7\u80cc\u7aef\u53e3（backport）\u7684\u65b9\u5f0f\u4fee\u590d\u4e86，\u53ea\u662f\u8f6f\u4ef6\u7684\u4e3b\u7248\u672c\u53f7\u6ca1\u6709\u63d0\u5347\u3002\u626b\u63cf\u5de5\u5177\u8bc6\u522b\u4e0d\u51fa\u8fd9\u79cd\u201c\u5b9a\u5236\u5316\u4fee\u590d\u201d，\u5c31\u4f1a\u8bef\u62a5\u3002<\/p>\n

    \u6b64\u5916，\u4e00\u4e9b\u6f0f\u6d1e\u7684\u5229\u7528\u9700\u8981\u6ee1\u8db3\u7279\u5b9a\u7684\u7f51\u7edc\u6761\u4ef6\u3002\u6bd4\u5982，\u4e00\u4e2a\u6f0f\u6d1e\u9700\u8981\u653b\u51fb\u8005\u80fd\u591f\u4ece\u7f51\u7edc\u8bbf\u95ee\u5230\u670d\u52a1\u7684\u67d0\u4e2a\u7279\u5b9a\u7aef\u53e3\u3002\u5982\u679c\u6211\u4eec\u901a\u8fc7\u9632\u706b\u5899，\u4e25\u683c\u9650\u5236\u4e86\u80fd\u8bbf\u95ee\u8be5\u7aef\u53e3\u7684\u6e90IP\u5730\u5740，\u90a3\u4e48\u5373\u4f7f\u6f0f\u6d1e\u7406\u8bba\u4e0a\u5b58\u5728，\u5176\u5b9e\u9645\u98ce\u9669\u4e5f\u88ab\u964d\u5230\u4e86\u6781\u4f4e\u3002\u5b89\u5168\u662f\u4e00\u4e2a\u52a8\u6001\u7684\u8fc7\u7a0b，\u4fee\u590d\u6f0f\u6d1e\u662f\u6cbb\u672c，\u800c\u9650\u5236\u8bbf\u95ee\u8def\u5f84\u5219\u662f\u6784\u5efa\u9632\u5fa1\u7eb5\u6df1\u3002<\/p>\n

    4.2 \u4f7f\u7528UFW\u914d\u7f6e\u7cbe\u7ec6\u5316\u8bbf\u95ee\u7b56\u7565<\/p>\n

    \u7edf\u4fe1UOS（Debian）\u9ed8\u8ba4\u63d0\u4f9b\u4e86ufw（Uncomplicated Firewall）\u5de5\u5177，\u5b83\u662fiptables\u7684\u524d\u7aef，\u914d\u7f6e\u8d77\u6765\u66f4\u76f4\u89c2\u3002\u6211\u4eec\u7684\u76ee\u6807\u662f：\u5728\u4fdd\u8bc1\u4e1a\u52a1\u6b63\u5e38\u8bbf\u95ee\u7684\u524d\u63d0\u4e0b，\u5c3d\u53ef\u80fd\u6536\u7d27SSH\u7b49\u670d\u52a1\u7684\u5165\u53e3\u3002<\/p>\n

    \u9996\u5148\u786e\u4fddUFW\u6ca1\u6709\u542f\u7528，\u7136\u540e\u8bbe\u7f6e\u9ed8\u8ba4\u7b56\u7565\u4e3a\u62d2\u7edd\u6240\u6709\u5165\u7ad9\u3001\u5141\u8bb8\u6240\u6709\u51fa\u7ad9，\u8fd9\u662f\u6700\u5b89\u5168\u7684\u8d77\u70b9：<\/p>\n

    sudo ufw disable # \u5982\u679c\u4e4b\u524d\u542f\u7528\u8fc7，\u5148\u5173\u95ed
    \nsudo ufw default deny incoming
    \nsudo ufw default allow outgoing<\/p>\n

    \u63a5\u4e0b\u6765，\u6839\u636e\u4e1a\u52a1\u9700\u8981\u653e\u884c\u7aef\u53e3\u3002\u4f8b\u5982，\u9664\u4e86SSH，\u670d\u52a1\u5668\u4e0a\u53ef\u80fd\u8fd8\u6709Web\u670d\u52a1（80\/443）\u3001\u6570\u636e\u5e93（3306）\u6216NFS\u670d\u52a1（111，2049）\u7b49\u3002\u653e\u884c\u89c4\u5219\u8981\u9075\u5faa\u6700\u5c0f\u5316\u539f\u5219，\u53ea\u5f00\u653e\u5fc5\u8981\u7684\u7aef\u53e3\u7ed9\u5fc5\u8981\u7684\u6765\u6e90\u3002<\/p>\n

    \u5bf9\u4e8eSSH（\u7aef\u53e322），\u6700\u4f73\u5b9e\u8df5\u662f\u7981\u6b62\u5bf9\u6240\u6709IP\u5f00\u653e，\u53ea\u5141\u8bb8\u6765\u81ea\u7279\u5b9a\u7ba1\u7406IP\u6216IP\u6bb5\u7684\u8fde\u63a5\u3002\u5047\u8bbe\u6211\u4eec\u516c\u53f8\u7684\u8fd0\u7ef4\u51fa\u53e3IP\u662f 203.0.113.100 \u548c 198.51.100.0\/24 \u8fd9\u4e2a\u7f51\u6bb5，\u5185\u7f51\u7ba1\u7406\u7f51\u6bb5\u662f 192.168.1.0\/24，\u90a3\u4e48\u5e94\u8be5\u8fd9\u6837\u914d\u7f6e：<\/p>\n

    # \u5148\u653e\u884c\u5176\u4ed6\u5fc5\u8981\u7684\u4e1a\u52a1\u7aef\u53e3，\u4f8b\u5982NFS\u76f8\u5173
    \nsudo ufw allow 111\/tcp
    \nsudo ufw allow 2049\/tcp<\/p>\n

    # \u7136\u540e，\u4e25\u683c\u9650\u5236SSH\u7aef\u53e3（22）\u7684\u8bbf\u95ee\u6e90
    \nsudo ufw allow from 203.0.113.100 to any port 22
    \nsudo ufw allow from 198.51.100.0\/24 to any port 22
    \nsudo ufw allow from 192.168.1.0\/24 to any port 22<\/p>\n

    # \u6700\u540e，\u663e\u5f0f\u62d2\u7edd\u6240\u6709\u5176\u4ed6\u5730\u5740\u5bf922\u7aef\u53e3\u7684\u8bbf\u95ee（\u53ef\u9009，\u56e0\u4e3a\u9ed8\u8ba4\u7b56\u7565\u5df2\u662fdeny incoming）
    \n# sudo ufw deny 22\/tcp<\/p>\n

    \u7279\u522b\u6ce8\u610f\u987a\u5e8f：UFW\u89c4\u5219\u662f\u6309\u987a\u5e8f\u5339\u914d\u7684，\u7b2c\u4e00\u6761\u5339\u914d\u5230\u7684\u89c4\u5219\u751f\u6548\u3002\u4e00\u5b9a\u8981\u5148\u8bbe\u7f6e\u5141\u8bb8（allow）\u89c4\u5219，\u518d\u8bbe\u7f6e\u62d2\u7edd（deny）\u89c4\u5219，\u5426\u5219\u4f60\u7684\u5141\u8bb8\u89c4\u5219\u53ef\u80fd\u4e0d\u751f\u6548\u3002<\/p>\n

    4.3 UFW\u89c4\u5219\u7ba1\u7406\u4e0e\u72b6\u6001\u68c0\u67e5<\/p>\n

    \u914d\u7f6e\u5b8c\u6210\u540e，\u542f\u7528UFW\u5e76\u67e5\u770b\u72b6\u6001：<\/p>\n

    sudo ufw enable
    \nsudo ufw status numbered<\/p>\n

    status numbered \u4f1a\u4ee5\u5e26\u7f16\u53f7\u7684\u5217\u8868\u5f62\u5f0f\u663e\u793a\u6240\u6709\u89c4\u5219，\u975e\u5e38\u4fbf\u4e8e\u7ba1\u7406\u3002\u5982\u679c\u4f60\u53d1\u73b0\u67d0\u6761\u89c4\u5219\u914d\u7f6e\u9519\u4e86，\u6216\u8005\u9700\u8981\u5220\u9664\u67d0\u4e2a\u65e7\u7684\u5141\u8bb8IP，\u53ef\u4ee5\u4f7f\u7528\u7f16\u53f7\u6765\u7cbe\u51c6\u64cd\u4f5c：<\/p>\n

    # \u5047\u8bbe\u8981\u5220\u9664\u7f16\u53f7\u4e3a5\u7684\u89c4\u5219
    \nsudo ufw delete 5<\/p>\n

    \u7cfb\u7edf\u4f1a\u63d0\u793a\u4f60\u786e\u8ba4，\u8f93\u5165 y \u5373\u53ef\u3002\u5728\u5220\u9664\u9650\u5236\u6027\u89c4\u5219（\u6bd4\u5982\u5220\u9664\u4e00\u4e2a\u5141\u8bb8IP\u7684\u89c4\u5219）\u524d，\u4e00\u5b9a\u8981\u518d\u4e09\u786e\u8ba4\u81ea\u5df1\u8fd8\u6709\u5176\u4ed6\u53ef\u7528\u7684\u8bbf\u95ee\u9014\u5f84（\u6bd4\u5982\u901a\u8fc7\u63a7\u5236\u53f0），\u5426\u5219\u53ef\u80fd\u4f1a\u628a\u81ea\u5df1\u9501\u5728\u5916\u9762\u3002<\/p>\n

    \u901a\u8fc7\u8fd9\u5957\u201c\u8865\u4e01+\u9632\u706b\u5899\u201d\u7684\u7ec4\u5408\u62f3，\u6211\u7684\u56db\u53f0\u670d\u52a1\u5668\u4e0d\u4ec5\u4fee\u590d\u4e86\u5df2\u8bc6\u522b\u7684\u4ee3\u7801\u5c42\u6f0f\u6d1e，\u8fd8\u6781\u5927\u5730\u7f29\u5c0f\u4e86\u7f51\u7edc\u653b\u51fb\u9762\u3002\u540e\u7eed\u7684\u5468\u671f\u6027\u626b\u63cf\u62a5\u544a\u4e5f\u201c\u5e72\u51c0\u201d\u4e86\u8bb8\u591a\u3002\u8fd9\u79cd\u5c06\u6f0f\u6d1e\u4fee\u590d\u4e0e\u7f51\u7edc\u52a0\u56fa\u76f8\u7ed3\u5408\u7684\u601d\u8def，\u5728\u9762\u5bf9\u590d\u6742\u7684\u4f01\u4e1a\u670d\u52a1\u5668\u73af\u5883\u65f6，\u663e\u5f97\u66f4\u52a0\u7a33\u5065\u548c\u53ef\u9760\u3002\u5b89\u5168\u6ca1\u6709\u4e00\u52b3\u6c38\u9038，\u4fdd\u6301\u8b66\u60d5，\u5b9a\u671f\u5ba1\u67e5\u66f4\u65b0\u548c\u89c4\u5219，\u624d\u662f\u8fd0\u7ef4\u5de5\u4f5c\u7684\u5e38\u6001\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    1. \u5f53\u670d\u52a1\u5668\u4eae\u8d77\u7ea2\u706f：\u4e00\u6b21\u771f\u5b9e\u7684\u9ad8\u5371\u6f0f\u6d1e\u5e94\u6025\u54cd\u5e94
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