{"id":41143,"date":"2025-05-31T07:35:54","date_gmt":"2025-05-30T23:35:54","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/41143.html"},"modified":"2025-05-31T07:35:54","modified_gmt":"2025-05-30T23:35:54","slug":"ubuntu-14-04-lts%e4%b8%8a%e6%89%8b%e5%8a%a8%e5%ae%89%e8%a3%85openssh%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e8%af%a6%e7%bb%86%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/41143.html","title":{"rendered":"Ubuntu 14.04 LTS\u4e0a\u624b\u52a8\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\u7684\u8be6\u7ec6\u6307\u5357"},"content":{"rendered":"<p>  \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90&#xff0c;\u70b9\u51fb\u83b7\u53d6  <img decoding=\"async\" alt=\"menu-r.4af5f7ec.gif\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250530233552-683a40d8ca17b.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom;cursor:text\" \/> <\/p>\n<p> \u7b80\u4ecb&#xff1a;\u672c\u6587\u4ecb\u7ecd\u5728\u65e0\u6cd5\u4f7f\u7528\u7f51\u7edc\u5305\u7ba1\u7406\u5668\u7684\u60c5\u51b5\u4e0b&#xff0c;\u5982\u4f55\u5728Ubuntu 14.04 LTS\u7cfb\u7edf\u4e0a\u624b\u52a8\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\u3002\u6587\u7ae0\u63d0\u4f9b\u4e86\u8be6\u7ec6\u7684\u6b65\u9aa4\u8bf4\u660e\u548c\u6240\u9700\u7684\u8f6f\u4ef6\u5305&#xff0c;\u5305\u62eczlib\u3001openssl\u548copenssh&#xff0c;\u8fd9\u4e9b\u8f6f\u4ef6\u5305\u662f\u5b89\u88c5OpenSSH\u7684\u5173\u952e\u4f9d\u8d56\u3002\u901a\u8fc7\u89e3\u538b\u3001\u914d\u7f6e\u3001\u7f16\u8bd1\u548c\u5b89\u88c5\u8fd9\u4e9b\u7ec4\u4ef6&#xff0c;\u4ee5\u53ca\u914d\u7f6eOpenSSH\u670d\u52a1\u5668\u548c\u8c03\u6574\u9632\u706b\u5899\u89c4\u5219&#xff0c;\u8bfb\u8005\u80fd\u591f\u79bb\u7ebf\u8bbe\u7f6e\u548c\u542f\u52a8OpenSSH\u670d\u52a1\u3002 <img decoding=\"async\" alt=\"open sshserver.rar\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250530233552-683a40d8d56e3.png\" \/> <\/p>\n<h2> 1. Ubuntu\u7cfb\u7edf\u4e2d\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\u7684\u603b\u4f53\u6982\u8ff0 <\/h2>\n<h3> \u6982\u8ff0\u4e0e\u91cd\u8981\u6027 <\/h3>\n<p> OpenSSH\u662f\u4e00\u4e2a\u5f00\u6e90\u9879\u76ee&#xff0c;\u63d0\u4f9b\u4e86\u4e00\u5957\u7528\u4e8e\u8fdc\u7a0b\u767b\u5f55\u548c\u6267\u884c\u547d\u4ee4\u7684\u52a0\u5bc6\u8f6f\u4ef6\u5305&#xff0c;\u5b83\u5b9e\u73b0\u4e86SSH\u534f\u8bae\u7684\u6240\u6709\u529f\u80fd\u3002\u5728Ubuntu\u7cfb\u7edf\u4e2d\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\u5141\u8bb8\u7528\u6237\u5b89\u5168\u5730\u901a\u8fc7\u7f51\u7edc\u8fdc\u7a0b\u8bbf\u95ee\u7cfb\u7edf&#xff0c;\u6267\u884c\u7ba1\u7406\u4efb\u52a1\u3001\u6570\u636e\u4f20\u8f93\u53ca\u5176\u4ed6\u7f51\u7edc\u670d\u52a1\u3002\u5bf9\u4e8eIT\u884c\u4e1a\u6765\u8bf4&#xff0c;\u8fdc\u7a0b\u8bbf\u95ee\u662f\u4e00\u79cd\u57fa\u672c\u4e14\u81f3\u5173\u91cd\u8981\u7684\u529f\u80fd&#xff0c;\u5b83\u63d0\u9ad8\u4e86\u5de5\u4f5c\u6548\u7387\u5e76\u7b80\u5316\u4e86IT\u7ba1\u7406\u3002\u56e0\u6b64&#xff0c;\u4e86\u89e3\u5982\u4f55\u5728Ubuntu\u4e2d\u5b89\u88c5\u548c\u914d\u7f6eOpenSSH\u670d\u52a1\u5668\u5bf9\u4e8e\u7cfb\u7edf\u7ba1\u7406\u5458\u53ca\u7f51\u7edc\u5de5\u7a0b\u5e08\u6765\u8bf4\u662f\u57fa\u7840\u4e14\u5fc5\u4e0d\u53ef\u5c11\u7684\u6280\u80fd\u3002 <\/p>\n<h2> 2. \u624b\u52a8\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\u7684\u8fc7\u7a0b\u89e3\u6790 <\/h2>\n<h3> 2.1 \u5b89\u88c5\u524d\u7684\u51c6\u5907\u5de5\u4f5c <\/h3>\n<h4> 2.1.1 \u7cfb\u7edf\u8981\u6c42\u4e0e\u517c\u5bb9\u6027\u68c0\u67e5 <\/h4>\n<p> \u5b89\u88c5OpenSSH\u670d\u52a1\u5668\u4e4b\u524d&#xff0c;\u9996\u5148\u8981\u786e\u8ba4Ubuntu\u7cfb\u7edf\u7684\u57fa\u672c\u8981\u6c42\u548c\u517c\u5bb9\u6027&#xff0c;\u4ee5\u786e\u4fdd\u8f6f\u4ef6\u53ef\u4ee5\u6b63\u5e38\u8fd0\u884c\u3002Ubuntu\u768416.04 LTS\u7248\u672c\u6216\u66f4\u9ad8\u7248\u672c\u662f\u63a8\u8350\u7684\u5b89\u88c5\u73af\u5883\u3002\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\u68c0\u67e5\u7cfb\u7edf\u4fe1\u606f&#xff1a; <\/p>\n<p>lsb_release -a<\/p>\n<p> \u6b64\u547d\u4ee4\u4f1a\u663e\u793a\u5f53\u524d\u7cfb\u7edf\u7684\u4fe1\u606f&#xff0c;\u5305\u62ec\u53d1\u884c\u7248\u4ee3\u53f7\u548c\u7248\u672c\u53f7&#xff0c;\u786e\u8ba4\u5176\u662f\u5426\u6ee1\u8db3OpenSSH\u670d\u52a1\u5668\u7684\u5b89\u88c5\u8981\u6c42\u3002 <\/p>\n<h4> 2.1.2 \u8f6f\u4ef6\u5305\u7684\u83b7\u53d6\u4e0e\u7248\u672c\u9009\u62e9 <\/h4>\n<p> \u63a5\u4e0b\u6765&#xff0c;\u9700\u8981\u83b7\u53d6OpenSSH\u7684\u8f6f\u4ef6\u5305\u3002Ubuntu\u4f7f\u7528APT&#xff08;Advanced Package Tool&#xff09;\u4f5c\u4e3a\u5176\u8f6f\u4ef6\u5305\u7ba1\u7406\u5de5\u5177\u3002\u4e3a\u4e86\u83b7\u53d6\u6700\u65b0\u7684OpenSSH\u670d\u52a1\u5668\u8f6f\u4ef6\u5305&#xff0c;\u9700\u786e\u4fddAPT\u8f6f\u4ef6\u6e90\u5217\u8868\u662f\u6700\u65b0\u7684&#xff0c;\u7136\u540e\u5b89\u88c5\u6216\u66f4\u65b0\u8f6f\u4ef6\u5305\u3002\u4ee5\u4e0b\u547d\u4ee4\u53ef\u7528\u4e8e\u66f4\u65b0\u8f6f\u4ef6\u6e90\u5e76\u5b89\u88c5OpenSSH\u670d\u52a1\u5668&#xff1a; <\/p>\n<p>sudo apt update<br \/>\nsudo apt install openssh-server<\/p>\n<p> \u5728\u5b89\u88c5\u524d&#xff0c;\u5982\u679c\u5bf9\u7248\u672c\u6709\u7279\u6b8a\u8981\u6c42&#xff0c;\u53ef\u4ee5\u4f7f\u7528  apt-cache search  \u547d\u4ee4\u6765\u641c\u7d22\u53ef\u7528\u7684\u7248\u672c&#xff1a; <\/p>\n<p>apt-cache search openssh-server<\/p>\n<p> \u7136\u540e\u6839\u636e\u9700\u8981&#xff0c;\u6307\u5b9a\u7279\u5b9a\u7248\u672c\u8fdb\u884c\u5b89\u88c5&#xff1a; <\/p>\n<p>sudo apt install openssh-server&#061;&lt;version_number&gt;<\/p>\n<h3> 2.2 \u624b\u52a8\u5b89\u88c5\u7684\u6b65\u9aa4\u8be6\u89e3 <\/h3>\n<h4> 2.2.1 zlib\u3001openssl\u8f6f\u4ef6\u5305\u7684\u5b89\u88c5 <\/h4>\n<p> OpenSSH\u5728\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u4f1a\u4f9d\u8d56\u4e8ezlib\u548copenssl\u8f6f\u4ef6\u5305&#xff0c;\u56e0\u6b64\u9700\u8981\u5148\u8fdb\u884c\u5b89\u88c5\u3002\u4f7f\u7528APT\u53ef\u4ee5\u8f7b\u677e\u5730\u5b89\u88c5\u8fd9\u4e9b\u4f9d\u8d56\u9879&#xff1a; <\/p>\n<p>sudo apt install zlib1g-dev libssl-dev<\/p>\n<h4> 2.2.2 openssh\u8f6f\u4ef6\u5305\u7684\u5b89\u88c5 <\/h4>\n<p> \u5f53\u4f9d\u8d56\u9879\u5b89\u88c5\u5b8c\u6bd5\u540e&#xff0c;\u5c31\u53ef\u4ee5\u6b63\u5f0f\u5b89\u88c5OpenSSH\u8f6f\u4ef6\u5305\u4e86\u3002\u5728Ubuntu\u4e0a&#xff0c;OpenSSH\u670d\u52a1\u5668\u7684\u5305\u540d\u662f  openssh-server  &#xff0c;\u5ba2\u6237\u7aef\u5305\u662f  openssh-client  \u3002\u5b89\u88c5\u670d\u52a1\u5668\u8f6f\u4ef6\u5305\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c&#xff1a; <\/p>\n<p>sudo apt install openssh-server<\/p>\n<h4> 2.2.3 \u5b89\u88c5\u8fc7\u7a0b\u4e2d\u7684\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6cd5 <\/h4>\n<p> \u5b89\u88c5OpenSSH\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\u3002\u4f8b\u5982&#xff0c;\u5982\u679c\u5728\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u63d0\u793a\u7f3a\u5c11\u4f9d\u8d56&#xff0c;\u53ef\u4ee5\u901a\u8fc7\u5b89\u88c5\u76f8\u5e94\u7684\u4f9d\u8d56\u89e3\u51b3\u3002\u53e6\u5916&#xff0c;\u5982\u679c\u9700\u8981\u5bf9\u5b89\u88c5\u8fc7\u7a0b\u8fdb\u884c\u65e5\u5fd7\u8bb0\u5f55&#xff0c;\u53ef\u4ee5\u5c06\u5b89\u88c5\u8fc7\u7a0b\u7684\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u6587\u4ef6\u4e2d&#xff0c;\u4ee5\u5907\u540e\u7eed\u5206\u6790&#xff1a; <\/p>\n<p>sudo DEBIAN_FRONTEND&#061;noninteractive apt -o Dpkg::Options::&#061;&#034;&#8211;force-unsafe-io&#034; -o Dpkg::Options::&#061;&#034;&#8211;force-confdef&#034; -o Dpkg::Options::&#061;&#034;&#8211;force-confold&#034; &#8211;install &#8211;reinstall openssh-server &gt; \/tmp\/ssh_install.log 2&gt;&amp;1<\/p>\n<p> \u4e0a\u8ff0\u547d\u4ee4\u4e2d\u7684  DEBIAN_FRONTEND&#061;noninteractive  \u8bbe\u7f6e\u4e3a\u975e\u4ea4\u4e92\u5f0f\u6a21\u5f0f&#xff0c;\u800c  &#8211;force-*  \u9009\u9879\u662f\u5f3a\u5236\u6267\u884c&#xff0c;\u5373\u4f7f\u5b83\u4eec\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u6216\u7cfb\u7edf\u7834\u574f\u3002\u56e0\u6b64&#xff0c;\u4ec5\u5728\u9047\u5230\u65e0\u6cd5\u89e3\u51b3\u7684\u95ee\u9898\u65f6\u4f7f\u7528&#xff0c;\u5e76\u4e14\u6700\u597d\u5728\u4e13\u4e1a\u4eba\u58eb\u7684\u6307\u5bfc\u4e0b\u8fdb\u884c\u3002 <\/p>\n<p> \u5728\u5b89\u88c5\u7ed3\u675f\u540e&#xff0c;\u786e\u4fddSSH\u670d\u52a1\u5df2\u7ecf\u542f\u52a8&#xff0c;\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\u670d\u52a1\u72b6\u6001&#xff1a; <\/p>\n<p>sudo systemctl status ssh<\/p>\n<p> \u6216\u8005\u4f7f\u7528\u4f20\u7edf\u7684\u547d\u4ee4&#xff1a; <\/p>\n<p>sudo service ssh status<\/p>\n<p> \u5982\u679cSSH\u670d\u52a1\u6ca1\u6709\u8fd0\u884c&#xff0c;\u5219\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\u542f\u52a8\u670d\u52a1&#xff1a; <\/p>\n<p>sudo systemctl start ssh<\/p>\n<p> \u5728\u672c\u7ae0\u4e2d&#xff0c;\u6211\u4eec\u4ecb\u7ecd\u4e86\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\u4e4b\u524d\u9700\u8981\u505a\u7684\u51c6\u5907\u5de5\u4f5c&#xff0c;\u5305\u62ec\u7cfb\u7edf\u8981\u6c42\u68c0\u67e5\u3001\u4f9d\u8d56\u9879\u548c\u8f6f\u4ef6\u5305\u7684\u83b7\u53d6&#xff0c;\u4ee5\u53ca\u5b9e\u9645\u7684\u5b89\u88c5\u6b65\u9aa4\u3002\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u9047\u5230\u7684\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6cd5\u4e5f\u88ab\u4ed4\u7ec6\u8ba8\u8bba&#xff0c;\u4e3a\u63a5\u4e0b\u6765\u7684\u914d\u7f6e\u548c\u4f7f\u7528\u6253\u4e0b\u4e86\u575a\u5b9e\u7684\u57fa\u7840\u3002 <\/p>\n<h2> 3. OpenSSH\u670d\u52a1\u5668\u914d\u7f6e\u4e0e\u542f\u52a8\u6307\u5357 <\/h2>\n<h3> 3.1 OpenSSH\u914d\u7f6e\u6587\u4ef6\u4ecb\u7ecd <\/h3>\n<h4> 3.1.1 \u914d\u7f6e\u6587\u4ef6\u7684\u7ed3\u6784\u4e0e\u8bed\u6cd5 <\/h4>\n<p> OpenSSH\u670d\u52a1\u5668\u7684\u914d\u7f6e\u6587\u4ef6\u901a\u5e38\u4f4d\u4e8e  \/etc\/ssh\/sshd_config  &#xff0c;\u8fd9\u4e2a\u6587\u4ef6\u4f7f\u7528\u7b80\u5355\u7684\u8bed\u6cd5&#xff0c;\u5176\u4e2d\u5927\u90e8\u5206\u662f\u6ce8\u91ca&#xff08;\u4ee5  #  \u5f00\u5934&#xff09;\u3002\u914d\u7f6e\u6587\u4ef6\u7684\u6bcf\u4e00\u884c\u5b9a\u4e49\u4e86\u4e00\u4e2a\u914d\u7f6e\u9879&#xff0c;\u683c\u5f0f\u4e3a  \u914d\u7f6e\u9879\u540d\u79f0[\u7a7a\u683c]\u914d\u7f6e\u503c  &#xff0c;\u4f8b\u5982&#xff1a; <\/p>\n<p>Port 22<br \/>\nProtocol 2<br \/>\nHostKey \/etc\/ssh\/ssh_host_rsa_key<\/p>\n<p> \u914d\u7f6e\u9879\u53ef\u4ee5\u5206\u4e3a\u51e0\u4e2a\u7c7b\u522b&#xff1a;\u5b89\u5168\u6027\u914d\u7f6e\u3001\u7f51\u7edc\u914d\u7f6e\u3001\u6027\u80fd\u53c2\u6570\u4ee5\u53ca\u8d44\u6e90\u9650\u5236\u8bbe\u7f6e\u7b49\u3002 <\/p>\n<h4> 3.1.2 \u5e38\u89c1\u914d\u7f6e\u9879\u7684\u8bbe\u7f6e\u65b9\u6cd5 <\/h4>\n<p> \u4e3a\u4e86\u5b9a\u5236OpenSSH\u670d\u52a1\u5668\u884c\u4e3a&#xff0c;\u4e86\u89e3\u4e00\u4e9b\u5e38\u89c1\u914d\u7f6e\u9879\u7684\u542b\u4e49\u548c\u8bbe\u7f6e\u65b9\u6cd5\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u57fa\u7840\u4e14\u5e38\u7528\u7684\u914d\u7f6e\u9879&#xff1a; <\/p>\n<ul>\n<li>  Port  &#xff1a;\u6307\u5b9aSSH\u670d\u52a1\u76d1\u542c\u7684\u7aef\u53e3&#xff0c;\u9ed8\u8ba4\u662f22\u3002 <\/li>\n<li>  PermitRootLogin  &#xff1a;\u63a7\u5236\u662f\u5426\u5141\u8bb8root\u7528\u6237\u8fdc\u7a0b\u767b\u5f55&#xff0c;\u9ed8\u8ba4\u662fyes&#xff0c;\u51fa\u4e8e\u5b89\u5168\u8003\u8651&#xff0c;\u901a\u5e38\u5c06\u5176\u8bbe\u7f6e\u4e3ano\u3002 <\/li>\n<li>  PubkeyAuthentication  &#xff1a;\u662f\u5426\u5141\u8bb8\u57fa\u4e8e\u516c\u94a5\u7684\u8ba4\u8bc1&#xff0c;\u9ed8\u8ba4\u4e3ayes&#xff0c;\u6709\u52a9\u4e8e\u63d0\u9ad8\u5b89\u5168\u6027\u3002 <\/li>\n<li>  PasswordAuthentication  &#xff1a;\u662f\u5426\u5141\u8bb8\u5bc6\u7801\u8ba4\u8bc1&#xff0c;\u9ed8\u8ba4\u4e5f\u4e3ayes&#xff0c;\u4f46\u5728\u5b89\u5168\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u73af\u5883\u4e0b&#xff0c;\u5efa\u8bae\u5c06\u5176\u8bbe\u7f6e\u4e3ano\u3002 <\/li>\n<\/ul>\n<h4> \u4ee3\u7801\u5757\u793a\u4f8b <\/h4>\n<p> \u5047\u8bbe\u6211\u4eec\u9700\u8981\u914d\u7f6esshd\u5141\u8bb8\u4f7f\u7528\u5bc6\u7801\u8ba4\u8bc1&#xff0c;\u53ef\u4ee5\u5982\u4e0b\u4fee\u6539  sshd_config  \u6587\u4ef6\u4e2d\u7684\u76f8\u5e94\u914d\u7f6e\u9879&#xff1a; <\/p>\n<p>PasswordAuthentication yes<\/p>\n<p> \u4e4b\u540e&#xff0c;\u91cd\u65b0\u542f\u52a8sshd\u670d\u52a1\u4ee5\u5e94\u7528\u66f4\u6539\u3002\u4f7f\u7528\u4e0b\u9762\u7684\u547d\u4ee4\u91cd\u542fOpenSSH\u670d\u52a1&#xff1a; <\/p>\n<p>sudo systemctl restart sshd<\/p>\n<h4> \u53c2\u6570\u8bf4\u660e <\/h4>\n<p> \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u5757\u4e2d&#xff0c;\u6211\u4eec\u4f7f\u7528\u4e86  sudo  \u547d\u4ee4\u4ee5\u7ba1\u7406\u5458\u6743\u9650\u6267\u884c\u64cd\u4f5c\u3002  systemctl restart sshd  \u662f\u7528\u4e8e\u91cd\u542fsshd\u670d\u52a1\u7684\u547d\u4ee4&#xff0c;  restart  \u9009\u9879\u8868\u793a\u505c\u6b62\u5e76\u91cd\u65b0\u542f\u52a8\u670d\u52a1\u3002  sshd  \u662fSSH\u670d\u52a1\u7684\u7cfb\u7edf\u670d\u52a1\u540d\u79f0\u3002 <\/p>\n<h3> 3.2 \u542f\u52a8\u4e0e\u6d4b\u8bd5OpenSSH\u670d\u52a1 <\/h3>\n<h4> 3.2.1 \u542f\u52a8OpenSSH\u670d\u52a1\u7684\u547d\u4ee4\u4e0e\u65b9\u6cd5 <\/h4>\n<p> \u542f\u52a8OpenSSH\u670d\u52a1\u7684\u6b65\u9aa4\u76f8\u5bf9\u7b80\u5355\u3002\u5728\u5927\u591a\u6570Linux\u53d1\u884c\u7248\u4e2d&#xff0c;OpenSSH\u670d\u52a1\u53ef\u4ee5\u901a\u8fc7\u7cfb\u7edf\u670d\u52a1\u7ba1\u7406\u5668\u6765\u7ba1\u7406&#xff0c;\u5e38\u7528\u7684\u547d\u4ee4\u4e3a  systemctl  \u3002\u4ee5\u4e0b\u662f\u542f\u52a8OpenSSH\u670d\u52a1\u7684\u547d\u4ee4&#xff1a; <\/p>\n<p>sudo systemctl start sshd<\/p>\n<p> \u5982\u679c\u5e0c\u671bOpenSSH\u670d\u52a1\u5728\u7cfb\u7edf\u542f\u52a8\u65f6\u81ea\u52a8\u8fd0\u884c&#xff0c;\u53ef\u4ee5\u4f7f\u7528&#xff1a; <\/p>\n<p>sudo systemctl enable sshd<\/p>\n<h4> 3.2.2 \u8fde\u63a5\u6d4b\u8bd5\u4e0e\u6545\u969c\u6392\u67e5 <\/h4>\n<p> \u5728\u542f\u52a8\u4e86OpenSSH\u670d\u52a1\u4e4b\u540e&#xff0c;\u5e94\u5f53\u6d4b\u8bd5\u662f\u5426\u80fd\u591f\u6210\u529f\u8fde\u63a5\u3002\u53ef\u4ee5\u4f7f\u7528SSH\u5ba2\u6237\u7aef\u8fdb\u884c\u8fde\u63a5\u6d4b\u8bd5\u3002\u8fde\u63a5\u547d\u4ee4\u7684\u4e00\u822c\u5f62\u5f0f\u4e3a&#xff1a; <\/p>\n<p>ssh \u7528\u6237\u540d&#064;\u670d\u52a1\u5668\u5730\u5740<\/p>\n<p> \u5982\u679c\u65e0\u6cd5\u8fde\u63a5&#xff0c;\u9700\u8981\u8fdb\u884c\u6545\u969c\u6392\u67e5\u3002\u9996\u5148\u68c0\u67e5  sshd_config  \u6587\u4ef6\u662f\u5426\u6709\u9519\u8bef\u914d\u7f6e&#xff0c;\u63a5\u7740\u68c0\u67e5\u7f51\u7edc\u8bbe\u7f6e&#xff0c;\u786e\u4fdd\u670d\u52a1\u5668\u7684SSH\u7aef\u53e3&#xff08;\u9ed8\u8ba4\u662f22&#xff09;\u6ca1\u6709\u88ab\u9632\u706b\u5899\u963b\u6b62&#xff0c;\u5e76\u4e14\u670d\u52a1\u5668\u7684\u7f51\u7edc\u662f\u53ef\u8fbe\u7684\u3002 <\/p>\n<h4> \u8868\u683c\u5c55\u793a <\/h4>\n<p> \u4e0b\u9762\u662f\u4e00\u4e9b\u57fa\u672c\u7684\u6545\u969c\u6392\u67e5\u6b65\u9aa4&#xff0c;\u7528\u4e8e\u89e3\u51b3\u8fde\u63a5\u95ee\u9898&#xff1a; <\/p>\n<p> | \u6545\u969c\u73b0\u8c61 | \u53ef\u80fd\u539f\u56e0 | \u6392\u67e5\u65b9\u6cd5 | | :&#8212;&#8212;: | :&#8212;&#8212;: | :&#8212;&#8212;: | | \u8fde\u63a5\u8d85\u65f6 | \u7f51\u7edc\u95ee\u9898\u6216SSH\u7aef\u53e3\u88ab\u963b\u585e | \u68c0\u67e5\u7f51\u7edc\u8fde\u63a5\u6216\u4f7f\u7528nmap\u626b\u63cf\u7aef\u53e3 | | \u8eab\u4efd\u9a8c\u8bc1\u5931\u8d25 | \u7528\u6237\u540d\u6216\u5bc6\u7801\u9519\u8bef | \u68c0\u67e5\u7528\u6237\u540d\u548c\u5bc6\u7801\u662f\u5426\u6b63\u786e | | \u6743\u9650\u4e0d\u8db3 | root\u7528\u6237\u4e0d\u5141\u8bb8\u767b\u5f55 | \u4fee\u6539sshd_config\u6587\u4ef6&#xff0c;\u8bbe\u7f6e  PermitRootLogin yes  | <\/p>\n<h4> Mermaid\u6d41\u7a0b\u56fe <\/h4>\n<p> \u63a5\u4e0b\u6765\u662f\u4e00\u4e2a\u4f7f\u7528Mermaid\u6d41\u7a0b\u56fe\u5c55\u793a\u7684SSH\u8fde\u63a5\u6545\u969c\u6392\u67e5\u6d41\u7a0b&#xff1a; <\/p>\n<p>graph LR<br \/>\n    A[\u5f00\u59cb\u8fde\u63a5\u6d4b\u8bd5] &#8211;&gt; B{\u80fd\u5426\u8fde\u63a5\u5230SSH\u670d\u52a1?}<br \/>\n    B &#8211;&gt;|\u662f| C[\u8fde\u63a5\u6210\u529f]<br \/>\n    B &#8211;&gt;|\u5426| D[\u68c0\u67e5\u670d\u52a1\u5668SSH\u670d\u52a1\u72b6\u6001]<br \/>\n    D &#8211;&gt;|\u672a\u8fd0\u884c| E[\u542f\u52a8SSH\u670d\u52a1]<br \/>\n    D &#8211;&gt;|\u8fd0\u884c\u4e2d| F[\u68c0\u67e5sshd_config\u914d\u7f6e]<br \/>\n    F &#8211;&gt;|\u914d\u7f6e\u9519\u8bef| G[\u4fee\u6539\u914d\u7f6e\u5e76\u91cd\u542fSSH\u670d\u52a1]<br \/>\n    F &#8211;&gt;|\u914d\u7f6e\u65e0\u8bef| H[\u68c0\u67e5\u670d\u52a1\u5668\u7f51\u7edc\u8bbe\u7f6e]<br \/>\n    H &#8211;&gt;|\u7f51\u7edc\u95ee\u9898| I[\u89e3\u51b3\u7f51\u7edc\u95ee\u9898]<br \/>\n    H &#8211;&gt;|\u7aef\u53e3\u88ab\u963b\u585e| J[\u4fee\u6539\u9632\u706b\u5899\u89c4\u5219]<br \/>\n    G &#8211;&gt; K[\u91cd\u542fSSH\u670d\u52a1]<br \/>\n    I &#8211;&gt; C<br \/>\n    J &#8211;&gt; C<br \/>\n    K &#8211;&gt; B<\/p>\n<p> \u6b64\u6d41\u7a0b\u56fe\u5f00\u59cb\u4e8e\u8fde\u63a5\u6d4b\u8bd5&#xff0c;\u5e76\u6839\u636e\u53ef\u80fd\u7684\u5931\u8d25\u539f\u56e0\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u6392\u67e5\u6b65\u9aa4&#xff0c;\u76f4\u5230\u8fde\u63a5\u6210\u529f\u6216\u786e\u5b9a\u4e86\u6545\u969c\u70b9\u3002\u8fd9\u79cd\u89c6\u89c9\u5316\u5c55\u793a\u80fd\u591f\u5e2e\u52a9\u7528\u6237\u76f4\u89c2\u5730\u7406\u89e3\u6545\u969c\u6392\u67e5\u7684\u6b65\u9aa4\u548c\u6d41\u7a0b\u3002 <\/p>\n<h2> 4. \u9632\u706b\u5899\u89c4\u5219\u8bbe\u7f6e\u4fdd\u969c\u5b89\u5168\u6027 <\/h2>\n<h3> 4.1 \u9632\u706b\u5899\u57fa\u7840\u4e0e\u91cd\u8981\u6027 <\/h3>\n<h4> 4.1.1 \u9632\u706b\u5899\u7684\u7c7b\u578b\u4e0e\u4f5c\u7528 <\/h4>\n<p> \u9632\u706b\u5899\u662f\u7f51\u7edc\u5b89\u5168\u7684\u91cd\u8981\u7ec4\u4ef6&#xff0c;\u53ef\u4ee5\u963b\u6b62\u672a\u6388\u6743\u7684\u8bbf\u95ee\u540c\u65f6\u5141\u8bb8\u6388\u6743\u7684\u6d41\u91cf\u901a\u8fc7\u3002\u5728\u7406\u89e3\u5982\u4f55\u901a\u8fc7\u9632\u706b\u5899\u89c4\u5219\u8bbe\u7f6e\u6765\u4fdd\u62a4OpenSSH\u670d\u52a1\u5668\u4e4b\u524d&#xff0c;\u4e86\u89e3\u4e0d\u540c\u7c7b\u578b\u7684\u9632\u706b\u5899\u53ca\u5176\u4f5c\u7528\u662f\u975e\u5e38\u5173\u952e\u7684\u3002 <\/p>\n<p> \u4f20\u7edf\u7684\u5305\u8fc7\u6ee4\u9632\u706b\u5899\u901a\u8fc7\u68c0\u67e5\u6570\u636e\u5305\u7684\u6e90\u548c\u76ee\u7684IP\u5730\u5740\u4ee5\u53ca\u7aef\u53e3\u53f7\u6765\u63a7\u5236\u6d41\u91cf\u3002\u5b83\u57fa\u4e8e\u4e00\u7ec4\u89c4\u5219\u6765\u51b3\u5b9a\u662f\u5426\u5141\u8bb8\u6570\u636e\u5305\u901a\u8fc7&#xff0c;\u8fd9\u4e9b\u89c4\u5219\u5b9a\u4e49\u4e86\u54ea\u4e9b\u7c7b\u578b\u7684\u6570\u636e\u5305\u662f\u88ab\u5141\u8bb8\u7684&#xff0c;\u54ea\u4e9b\u662f\u88ab\u62d2\u7edd\u7684\u3002 <\/p>\n<p> \u66f4\u9ad8\u7ea7\u7684\u9632\u706b\u5899\u7c7b\u578b\u5982\u72b6\u6001\u68c0\u6d4b\u9632\u706b\u5899&#xff08;\u4e5f\u79f0\u4e3a\u72b6\u6001\u5168\u8fde\u63a5\u9632\u706b\u5899&#xff09;\u4e0d\u4ec5\u68c0\u67e5\u6570\u636e\u5305\u7684\u5185\u5bb9&#xff0c;\u8fd8\u4f1a\u8ddf\u8e2a\u8fde\u63a5\u72b6\u6001\u3002\u5b83\u4eec\u80fd\u591f\u8bc6\u522b\u6570\u636e\u5305\u662f\u5c5e\u4e8e\u73b0\u6709\u7684\u4f1a\u8bdd\u8fd8\u662f\u65b0\u7684\u8fde\u63a5\u8bf7\u6c42&#xff0c;\u8fd9\u79cd\u673a\u5236\u63d0\u4f9b\u4e86\u66f4\u52a0\u7ec6\u81f4\u7684\u63a7\u5236\u5e76\u4e14\u53ef\u4ee5\u9632\u6b62\u4e00\u4e9b\u66f4\u590d\u6742\u7684\u653b\u51fb\u3002 <\/p>\n<p> \u5e94\u7528\u5c42\u9632\u706b\u5899&#xff0c;\u4f8b\u5982\u4ee3\u7406\u670d\u52a1\u5668&#xff0c;\u63d0\u4f9b\u5728\u5e94\u7528\u5c42\u5bf9\u6d41\u91cf\u8fdb\u884c\u8fc7\u6ee4\u7684\u80fd\u529b\u3002\u5b83\u4eec\u901a\u5e38\u53ef\u4ee5\u89e3\u6790\u591a\u79cd\u534f\u8bae\u5e76\u6267\u884c\u66f4\u6df1\u5c42\u6b21\u7684\u68c0\u67e5&#xff0c;\u63d0\u4f9b\u66f4\u4e3a\u590d\u6742\u7684\u8bbf\u95ee\u63a7\u5236\u7b56\u7565\u548c\u5185\u5bb9\u8fc7\u6ee4\u3002 <\/p>\n<p> \u5728Ubuntu\u7cfb\u7edf\u4e2d&#xff0c;  ufw  &#xff08;Uncomplicated Firewall&#xff09;\u662f\u4e00\u4e2a\u7528\u6237\u53cb\u597d\u7684\u524d\u7aef\u5de5\u5177&#xff0c;\u7528\u6765\u7ba1\u7406  iptables  \u9632\u706b\u5899\u89c4\u5219\u3002\u5b83\u63d0\u4f9b\u4e86\u547d\u4ee4\u884c\u754c\u9762&#xff0c;\u65b9\u4fbf\u7528\u6237\u914d\u7f6e\u3001\u542f\u7528\u6216\u7981\u7528\u9632\u706b\u5899\u89c4\u5219\u3002 <\/p>\n<h4> 4.1.2 Ubuntu\u7cfb\u7edf\u4e2d\u9632\u706b\u5899\u7684\u7ba1\u7406\u5de5\u5177 <\/h4>\n<p>  ufw  \u662fUbuntu\u7cfb\u7edf\u4e2d\u9ed8\u8ba4\u7684\u9632\u706b\u5899\u7ba1\u7406\u5de5\u5177\u3002\u5b83\u5c06\u590d\u6742\u7684  iptables  \u547d\u4ee4\u62bd\u8c61\u5316&#xff0c;\u63d0\u4f9b\u4e86\u66f4\u52a0\u76f4\u89c2\u7684\u63a5\u53e3&#xff0c;\u5141\u8bb8\u7528\u6237\u4ee5\u975e\u5e38\u7b80\u5355\u7684\u65b9\u5f0f\u8bbe\u7f6e\u9632\u706b\u5899\u89c4\u5219\u3002 <\/p>\n<p> \u4e3a\u4e86\u7ba1\u7406  ufw  &#xff0c;\u4f60\u53ef\u4ee5\u4f7f\u7528\u8bf8\u5982  ufw status  \u6765\u68c0\u67e5\u9632\u706b\u5899\u7684\u72b6\u6001&#xff0c;\u6216\u8005\u4f7f\u7528  ufw allow  \u548c  ufw deny  \u6765\u5141\u8bb8\u6216\u62d2\u7edd\u7279\u5b9a\u7c7b\u578b\u7684\u6d41\u91cf\u3002  ufw  \u8fd8\u53ef\u4ee5\u4e0e\u5176\u4ed6\u7a0b\u5e8f\u96c6\u6210&#xff0c;\u4f8b\u5982\u53ef\u4ee5\u4e0e  Fail2Ban  \u4e00\u8d77\u4f7f\u7528&#xff0c;\u540e\u8005\u901a\u8fc7\u8bc6\u522b\u548c\u963b\u65ad\u957f\u65f6\u95f4\u5185\u5c1d\u8bd5\u767b\u5f55\u5931\u8d25\u7684IP\u5730\u5740\u6765\u52a0\u5f3a\u5b89\u5168\u9632\u62a4\u3002 <\/p>\n<h3> 4.2 OpenSSH\u670d\u52a1\u7684\u9632\u706b\u5899\u89c4\u5219\u914d\u7f6e <\/h3>\n<h4> 4.2.1 \u5141\u8bb8SSH\u670d\u52a1\u7684\u89c4\u5219\u8bbe\u7f6e <\/h4>\n<p> \u5728Ubuntu\u7cfb\u7edf\u4e2d&#xff0c;\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\u6765\u5141\u8bb8SSH\u670d\u52a1\u7684\u6b65\u9aa4\u5982\u4e0b&#xff1a; <\/p>\n<li> \u9996\u5148&#xff0c;\u786e\u4fdd  ufw  \u670d\u52a1\u5df2\u7ecf\u5b89\u88c5\u5e76\u542f\u7528\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\u548c\u542f\u7528  ufw  &#xff1a; <\/li>\n<p>sudo ufw enable<\/p>\n<p> \u542f\u7528  ufw  \u670d\u52a1\u540e&#xff0c;\u6240\u6709\u672a\u5b9a\u4e49\u7684\u89c4\u5219\u9ed8\u8ba4\u88ab\u62d2\u7edd\u3002\u8fd9\u610f\u5473\u7740\u4f60\u9700\u8981\u663e\u5f0f\u5730\u6dfb\u52a0\u89c4\u5219\u4ee5\u5141\u8bb8SSH\u670d\u52a1&#xff08;\u901a\u5e38\u5728\u7aef\u53e322\u4e0a\u8fd0\u884c&#xff09;\u3002 <\/p>\n<li> \u63a5\u4e0b\u6765&#xff0c;\u5141\u8bb8SSH\u670d\u52a1\u901a\u8fc7\u9632\u706b\u5899&#xff1a; <\/li>\n<p>sudo ufw allow ssh<\/p>\n<p> \u8fd9\u6761\u547d\u4ee4\u5b9e\u9645\u4e0a\u662f\u5141\u8bb8\u7aef\u53e322\u4e0a\u7684TCP\u6d41\u91cf&#xff0c;\u56e0\u4e3aSSH\u9ed8\u8ba4\u5c31\u662f\u5728\u8fd9\u4e2a\u7aef\u53e3\u4e0a\u8fd0\u884c\u3002  ufw  \u5c06\u4f1a\u81ea\u52a8\u8bc6\u522b\u7aef\u53e3\u53f7\u5e76\u914d\u7f6e\u76f8\u5e94\u7684\u89c4\u5219\u3002 <\/p>\n<h4> 4.2.2 \u89c4\u5219\u6d4b\u8bd5\u4e0e\u9a8c\u8bc1\u65b9\u6cd5 <\/h4>\n<p> \u4e00\u65e6\u4f60\u6dfb\u52a0\u4e86\u89c4\u5219\u5141\u8bb8SSH\u670d\u52a1&#xff0c;\u6700\u597d\u7684\u6d4b\u8bd5\u65b9\u6cd5\u662f\u5c1d\u8bd5\u4ece\u4e0d\u540c\u7684\u673a\u5668\u8bbf\u95ee\u670d\u52a1\u5668\u4e0a\u7684SSH\u670d\u52a1\u3002\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528  ufw  \u548c  netstat  \u547d\u4ee4\u6765\u68c0\u67e5\u89c4\u5219\u662f\u5426\u5df2\u7ecf\u6b63\u786e\u8bbe\u7f6e\u3002 <\/p>\n<p> \u4f7f\u7528  ufw status verbose  \u53ef\u4ee5\u8be6\u7ec6\u67e5\u770b\u6240\u6709\u5f53\u524d\u8bbe\u7f6e\u7684\u89c4\u5219&#xff1a; <\/p>\n<p>sudo ufw status verbose<\/p>\n<p> \u6b64\u547d\u4ee4\u5c06\u663e\u793a\u5f53\u524d\u9632\u706b\u5899\u7684\u8be6\u7ec6\u72b6\u6001&#xff0c;\u5e76\u5217\u51fa\u6240\u6709\u5141\u8bb8\u548c\u62d2\u7edd\u7684\u89c4\u5219\u3002 <\/p>\n<p> \u4e3a\u4e86\u68c0\u67e5\u7aef\u53e322\u662f\u5426\u771f\u6b63\u5f00\u653e&#xff0c;\u53ef\u4ee5\u4f7f\u7528  netstat  \u547d\u4ee4&#xff1a; <\/p>\n<p>sudo netstat -tulnp | grep :22<\/p>\n<p> \u8fd9\u4e2a\u547d\u4ee4\u4f1a\u663e\u793a\u6240\u6709\u76d1\u542c\u5728\u7aef\u53e322\u4e0a\u7684\u8fdb\u7a0b&#xff0c;\u5982\u679cSSH\u670d\u52a1\u6b63\u5e38\u8fd0\u884c&#xff0c;\u4f60\u5e94\u8be5\u80fd\u591f\u770b\u5230  sshd  \u8fdb\u7a0b\u5728\u76d1\u542c\u3002 <\/p>\n<p> \u4f7f\u7528  telnet  \u547d\u4ee4\u6d4b\u8bd5SSH\u7aef\u53e3\u4e5f\u53ef\u4ee5&#xff1a; <\/p>\n<p>telnet your_server_ip 22<\/p>\n<p> \u5982\u679c\u9632\u706b\u5899\u89c4\u5219\u8bbe\u7f6e\u6b63\u786e&#xff0c;\u4f60\u5e94\u8be5\u80fd\u591f\u8fde\u63a5\u5230SSH\u7aef\u53e3&#xff08;\u7aef\u53e322&#xff09;\u3002\u5728\u8fde\u63a5\u6210\u529f\u540e&#xff0c;\u4f60\u53ef\u4ee5\u7acb\u5373\u5173\u95ed  telnet  \u4f1a\u8bdd&#xff0c;\u56e0\u4e3a  telnet  \u672c\u8eab\u5e76\u4e0d\u5b89\u5168&#xff0c;\u8fd9\u91cc\u53ea\u662f\u7528\u4e8e\u6d4b\u8bd5\u76ee\u7684\u3002 <\/p>\n<p>  \u6ce8\u610f  &#xff1a;\u6d4b\u8bd5\u9632\u706b\u5899\u89c4\u5219\u65f6&#xff0c;\u52a1\u5fc5\u4f7f\u7528\u4f60\u63a7\u5236\u7684\u673a\u5668\u8fdb\u884c\u64cd\u4f5c&#xff0c;\u4ee5\u514d\u5f71\u54cd\u5230\u5176\u4ed6\u7528\u6237\u6216\u670d\u52a1\u3002\u540c\u65f6&#xff0c;\u8bf7\u786e\u4fdd\u5728\u6d4b\u8bd5\u8fc7\u7a0b\u4e2d\u9075\u5b88\u6240\u6709\u7f51\u7edc\u548c\u5b89\u5168\u7684\u6700\u4f73\u5b9e\u8df5\u3002 <\/p>\n<h2> 5. \u8be6\u7ec6\u5b89\u88c5\u6b65\u9aa4\u6587\u6863 <\/h2>\n<h3> 5.1 \u521d\u5b66\u8005\u5feb\u901f\u5b89\u88c5\u6307\u5357 <\/h3>\n<h4> 5.1.1 \u5b89\u88c5\u6d41\u7a0b\u56fe\u89e3 <\/h4>\n<p> \u4e3a\u4e86\u5e2e\u52a9\u521d\u5b66\u8005\u5feb\u901f\u4e0a\u624b&#xff0c;\u4ee5\u4e0b\u662f\u4e00\u6b65\u4e00\u6b65\u7684\u5b89\u88c5\u6d41\u7a0b\u56fe\u89e3&#xff1a; <\/p>\n<p>graph LR<br \/>\nA[\u5f00\u59cb] &#8211;&gt; B[\u68c0\u67e5\u7cfb\u7edf\u517c\u5bb9\u6027]<br \/>\nB &#8211;&gt; C[\u66f4\u65b0\u7cfb\u7edf\u5305\u7d22\u5f15]<br \/>\nC &#8211;&gt; D[\u5b89\u88c5zlib\u548copenssl]<br \/>\nD &#8211;&gt; E[\u5b89\u88c5OpenSSH\u8f6f\u4ef6\u5305]<br \/>\nE &#8211;&gt; F[\u542f\u52a8OpenSSH\u670d\u52a1]<br \/>\nF &#8211;&gt; G[\u8fdb\u884c\u8fde\u63a5\u6d4b\u8bd5]<br \/>\nG &#8211;&gt; H[\u6545\u969c\u6392\u67e5\u4e0e\u89e3\u51b3]<br \/>\nH &#8211;&gt; I[\u5b89\u88c5\u5b8c\u6210]<\/p>\n<p> \u786e\u4fdd\u5728\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u9075\u5faa\u4e0a\u8ff0\u6b65\u9aa4&#xff0c;\u6bcf\u4e00\u6b65\u90fd\u8981\u68c0\u67e5\u7cfb\u7edf\u7684\u54cd\u5e94&#xff0c;\u786e\u4fdd\u5b89\u88c5\u987a\u5229\u8fdb\u884c\u3002 <\/p>\n<h4> 5.1.2 \u6bcf\u6b65\u9aa4\u7684\u8be6\u7ec6\u8bf4\u660e\u4e0e\u64cd\u4f5c <\/h4>\n<h5> B. \u68c0\u67e5\u7cfb\u7edf\u517c\u5bb9\u6027 <\/h5>\n<p> \u5728\u5b89\u88c5\u4e4b\u524d&#xff0c;\u9700\u8981\u786e\u8ba4\u7cfb\u7edf\u662f\u5426\u6ee1\u8db3OpenSSH\u670d\u52a1\u5668\u7684\u8981\u6c42\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u68c0\u67e5\u7cfb\u7edf\u662f\u5426\u652f\u6301SSH\u670d\u52a1&#xff1a; <\/p>\n<p>ssh -V<\/p>\n<p> \u8be5\u547d\u4ee4\u4f1a\u663e\u793a\u5f53\u524d\u7cfb\u7edf\u6240\u5b89\u88c5\u7684OpenSSH\u7248\u672c&#xff0c;\u5982\u679c\u663e\u793a\u4e86\u7248\u672c\u4fe1\u606f&#xff0c;\u8868\u793a\u7cfb\u7edf\u5df2\u652f\u6301SSH\u670d\u52a1\u3002 <\/p>\n<h5> C. \u66f4\u65b0\u7cfb\u7edf\u5305\u7d22\u5f15 <\/h5>\n<p> \u5728\u5b89\u88c5\u4efb\u4f55\u8f6f\u4ef6\u4e4b\u524d&#xff0c;\u5efa\u8bae\u5148\u66f4\u65b0\u7cfb\u7edf\u5305\u7d22\u5f15&#xff0c;\u4ee5\u786e\u4fdd\u6240\u6709\u8f6f\u4ef6\u5305\u90fd\u662f\u6700\u65b0\u7684\u3002\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4&#xff1a; <\/p>\n<p>sudo apt-get update<\/p>\n<h5> D. \u5b89\u88c5zlib\u548copenssl <\/h5>\n<p> zlib\u548copenssl\u662fOpenSSH\u4f9d\u8d56\u7684\u8f6f\u4ef6\u5305&#xff0c;\u9700\u8981\u5148\u5b89\u88c5\u8fd9\u4e24\u4e2a\u4f9d\u8d56\u5305\u3002\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4&#xff1a; <\/p>\n<p>sudo apt-get install zlib1g-dev libssl-dev<\/p>\n<h5> E. \u5b89\u88c5OpenSSH\u8f6f\u4ef6\u5305 <\/h5>\n<p> \u5b89\u88c5\u4f9d\u8d56\u5305\u540e&#xff0c;\u53ef\u4ee5\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\u8f6f\u4ef6\u5305\u3002\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4&#xff1a; <\/p>\n<p>sudo apt-get install openssh-server<\/p>\n<h5> F. \u542f\u52a8OpenSSH\u670d\u52a1 <\/h5>\n<p> \u5b89\u88c5\u5b8c\u6210\u540e&#xff0c;\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u542f\u52a8OpenSSH\u670d\u52a1&#xff1a; <\/p>\n<p>sudo systemctl start ssh<\/p>\n<p> \u6216\u8005&#xff0c;\u5982\u679c\u7cfb\u7edf\u652f\u6301\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u542f\u52a8\u670d\u52a1&#xff1a; <\/p>\n<p>sudo service ssh start<\/p>\n<h5> G. \u8fdb\u884c\u8fde\u63a5\u6d4b\u8bd5 <\/h5>\n<p> \u4e3a\u4e86\u6d4b\u8bd5\u5b89\u88c5\u662f\u5426\u6210\u529f&#xff0c;\u53ef\u4ee5\u5c1d\u8bd5\u4f7f\u7528SSH\u5ba2\u6237\u7aef\u8fde\u63a5\u5230\u670d\u52a1\u5668\u3002\u5728\u5ba2\u6237\u7aef\u673a\u5668\u4e0a\u6267\u884c&#xff1a; <\/p>\n<p>ssh \u7528\u6237\u540d&#064;\u670d\u52a1\u5668IP\u5730\u5740<\/p>\n<h5> H. \u6545\u969c\u6392\u67e5\u4e0e\u89e3\u51b3 <\/h5>\n<p> \u5982\u679c\u65e0\u6cd5\u8fde\u63a5&#xff0c;\u9996\u5148\u68c0\u67e5\u670d\u52a1\u662f\u5426\u6b63\u5728\u8fd0\u884c&#xff1a; <\/p>\n<p>sudo systemctl status ssh<\/p>\n<p> \u6216\u8005 <\/p>\n<p>sudo service ssh status<\/p>\n<p> \u67e5\u770b\u662f\u5426\u6709\u9519\u8bef\u4fe1\u606f\u8f93\u51fa&#xff0c;\u8fdb\u884c\u76f8\u5e94\u7684\u6545\u969c\u6392\u67e5\u3002 <\/p>\n<h3> 5.2 \u8fdb\u9636\u7528\u6237\u6df1\u5165\u914d\u7f6e\u6307\u5357 <\/h3>\n<h4> 5.2.1 \u9ad8\u7ea7\u914d\u7f6e\u9009\u9879\u89e3\u6790 <\/h4>\n<p> \u5bf9\u4e8e\u8fdb\u9636\u7528\u6237\u6765\u8bf4&#xff0c;SSH\u670d\u52a1\u5668\u7684\u9ed8\u8ba4\u914d\u7f6e\u53ef\u80fd\u9700\u8981\u8c03\u6574\u4ee5\u9002\u5e94\u7279\u5b9a\u7684\u5b89\u5168\u6216\u6027\u80fd\u9700\u6c42\u3002\u5728  \/etc\/ssh\/sshd_config  \u6587\u4ef6\u4e2d\u53ef\u4ee5\u627e\u5230\u8bb8\u591a\u9ad8\u7ea7\u914d\u7f6e\u9009\u9879\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u9ad8\u7ea7\u914d\u7f6e\u9879&#xff1a; <\/p>\n<h5> \u4fee\u6539\u7aef\u53e3 <\/h5>\n<p> \u9ed8\u8ba4\u60c5\u51b5\u4e0b&#xff0c;SSH\u8fd0\u884c\u572822\u7aef\u53e3&#xff0c;\u4e3a\u4e86\u589e\u5f3a\u5b89\u5168\u6027&#xff0c;\u5efa\u8bae\u4fee\u6539\u8fd9\u4e2a\u7aef\u53e3&#xff1a; <\/p>\n<p>Port 2222<\/p>\n<h5> \u7981\u6b62root\u767b\u5f55 <\/h5>\n<p> \u51fa\u4e8e\u5b89\u5168\u8003\u8651&#xff0c;\u6700\u597d\u7981\u6b62\u4f7f\u7528root\u7528\u6237\u901a\u8fc7SSH\u767b\u5f55&#xff1a; <\/p>\n<p>PermitRootLogin no<\/p>\n<h5> \u9650\u5236\u7279\u5b9a\u7528\u6237 <\/h5>\n<p> \u5982\u679c\u53ea\u5e0c\u671b\u7279\u5b9a\u7528\u6237\u80fd\u591f\u767b\u5f55&#xff0c;\u53ef\u4ee5\u6dfb\u52a0\u4ee5\u4e0b\u884c&#xff1a; <\/p>\n<p>AllowUsers username1 username2<\/p>\n<h4> 5.2.2 \u5b89\u5168\u52a0\u56fa\u4e0e\u6027\u80fd\u4f18\u5316\u5efa\u8bae <\/h4>\n<h5> \u4f7f\u7528SSH\u5bc6\u94a5\u8ba4\u8bc1 <\/h5>\n<p> SSH\u5bc6\u94a5\u8ba4\u8bc1\u6bd4\u5bc6\u7801\u8ba4\u8bc1\u66f4\u52a0\u5b89\u5168&#xff0c;\u8bbe\u7f6e\u6b65\u9aa4\u5982\u4e0b&#xff1a; <\/p>\n<li> \u5728\u5ba2\u6237\u7aef\u751f\u6210\u5bc6\u94a5\u5bf9&#xff1a; <\/li>\n<p>ssh-keygen -t rsa<\/p>\n<li> \u5c06\u516c\u94a5\u590d\u5236\u5230\u670d\u52a1\u5668&#xff1a; <\/li>\n<p>ssh-copy-id username&#064;server_ip<\/p>\n<h5> \u914d\u7f6eFail2Ban <\/h5>\n<p> Fail2Ban\u53ef\u4ee5\u9632\u6b62\u66b4\u529b\u7834\u89e3\u653b\u51fb&#xff0c;\u5b89\u88c5\u5e76\u914d\u7f6e\u6b65\u9aa4\u5982\u4e0b&#xff1a; <\/p>\n<p>sudo apt-get install fail2ban<\/p>\n<p> \u7136\u540e\u7f16\u8f91\u914d\u7f6e\u6587\u4ef6  \/etc\/fail2ban\/jail.local  &#xff0c;\u8bbe\u7f6e\u76f8\u5e94\u7684\u53c2\u6570\u3002 <\/p>\n<h5> \u5173\u95ed\u4e0d\u5fc5\u8981\u7684\u670d\u52a1 <\/h5>\n<p> \u5982\u679c\u670d\u52a1\u5668\u4e0a\u8fd0\u884c\u4e86\u4e0d\u5fc5\u8981\u7684\u670d\u52a1&#xff0c;\u5173\u95ed\u5b83\u4eec\u53ef\u4ee5\u51cf\u5c11\u6f5c\u5728\u7684\u98ce\u9669&#xff1a; <\/p>\n<p>sudo systemctl disable service_name<\/p>\n<p> \u786e\u4fdd\u53ea\u4fdd\u7559\u5fc5\u9700\u7684\u670d\u52a1\u8fd0\u884c\u5728\u670d\u52a1\u5668\u4e0a\u3002 <\/p>\n<p> \u4ee5\u4e0a\u7ae0\u8282\u5185\u5bb9\u5c55\u793a\u4e86\u5982\u4f55\u4ece\u521d\u7ea7\u5230\u8fdb\u9636\u7528\u6237&#xff0c;\u5bf9OpenSSH\u670d\u52a1\u5668\u8fdb\u884c\u5b89\u88c5\u548c\u914d\u7f6e\u3002\u6bcf\u4e00\u6b65\u9aa4\u90fd\u7ecf\u8fc7\u4e86\u7ec6\u81f4\u7684\u5206\u6790\u548c\u5b9e\u9645\u64cd\u4f5c\u7684\u6307\u5bfc&#xff0c;\u786e\u4fdd\u8bfb\u8005\u80fd\u591f\u987a\u5229\u638c\u63e1OpenSSH\u670d\u52a1\u5668\u7684\u5b89\u88c5\u548c\u7ba1\u7406\u3002 <\/p>\n<h2> 6. \u5728Ubuntu 14.04 LTS\u7cfb\u7edf\u4e0a\u7ef4\u62a4OpenSSH\u670d\u52a1\u5668 <\/h2>\n<p> \u5728\u7b2c\u4e94\u7ae0\u4e2d&#xff0c;\u6211\u4eec\u5df2\u7ecf\u5b8c\u6210\u4e86OpenSSH\u670d\u52a1\u5668\u7684\u5b89\u88c5\u4e0e\u521d\u6b65\u914d\u7f6e\u3002\u7136\u800c&#xff0c;\u4e3a\u4e86\u786e\u4fdd\u7cfb\u7edf\u7684\u7a33\u5b9a\u4e0e\u5b89\u5168&#xff0c;\u5bf9OpenSSH\u670d\u52a1\u5668\u7684\u65e5\u5e38\u7ef4\u62a4\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u3002\u672c\u7ae0\u5c06\u91cd\u70b9\u4ecb\u7ecd\u5728Ubuntu 14.04 LTS\u7cfb\u7edf\u4e0a\u5982\u4f55\u8fdb\u884cOpenSSH\u670d\u52a1\u5668\u7684\u66f4\u65b0\u4e0e\u5347\u7ea7&#xff0c;\u4ee5\u53ca\u5982\u4f55\u76d1\u63a7\u670d\u52a1\u5668\u72b6\u6001\u548c\u5206\u6790\u65e5\u5fd7\u6587\u4ef6\u3002 <\/p>\n<h3> 6.1 \u66f4\u65b0\u4e0e\u5347\u7ea7OpenSSH\u670d\u52a1\u5668 <\/h3>\n<h4> 6.1.1 \u66f4\u65b0\u6d41\u7a0b\u4e0e\u6ce8\u610f\u4e8b\u9879 <\/h4>\n<p> \u5728Ubuntu\u7cfb\u7edf\u4e2d&#xff0c;\u66f4\u65b0\u8f6f\u4ef6\u5305\u901a\u5e38\u662f\u4e3a\u4e86\u83b7\u5f97\u6700\u65b0\u7684\u5b89\u5168\u8865\u4e01\u548c\u529f\u80fd\u66f4\u65b0\u3002\u5bf9\u4e8eOpenSSH\u670d\u52a1\u5668\u6765\u8bf4&#xff0c;\u5b9a\u671f\u66f4\u65b0\u662f\u4fdd\u6301\u7cfb\u7edf\u5b89\u5168\u7684\u5173\u952e\u3002\u5728Ubuntu 14.04 LTS\u4e0a&#xff0c;\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7  apt-get  \u6216  apt  \u547d\u4ee4\u6765\u66f4\u65b0OpenSSH\u670d\u52a1\u5668\u3002 <\/p>\n<p> \u4ee5\u4e0b\u662f\u4e00\u4e9b\u66f4\u65b0\u524d\u7684\u6ce8\u610f\u4e8b\u9879&#xff1a; <\/p>\n<li> \u786e\u4fdd\u7cfb\u7edf\u7684\u5907\u4efd\u3002\u5728\u6267\u884c\u66f4\u65b0\u4e4b\u524d&#xff0c;\u59cb\u7ec8\u5efa\u8bae\u5bf9\u7cfb\u7edf\u8fdb\u884c\u5907\u4efd&#xff0c;\u4ee5\u9632\u4e07\u4e00\u66f4\u65b0\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u95ee\u9898\u3002 <\/li>\n<li> \u68c0\u67e5\u517c\u5bb9\u6027\u3002\u5728\u66f4\u65b0OpenSSH\u4e4b\u524d&#xff0c;\u68c0\u67e5\u5b98\u65b9\u6587\u6863\u786e\u8ba4\u65b0\u7248\u672c\u4e0e\u4f60\u7684\u7cfb\u7edf\u517c\u5bb9\u3002 <\/li>\n<li> \u7f51\u7edc\u8fde\u63a5\u3002\u786e\u4fdd\u4f60\u7684\u7cfb\u7edf\u8fde\u63a5\u5230\u4e92\u8054\u7f51&#xff0c;\u5e76\u4e14\u5305\u7ba1\u7406\u5668\u7684\u6e90\u5217\u8868\u4e2d\u5305\u542b\u4e86\u6700\u65b0\u8f6f\u4ef6\u5305\u7684\u4fe1\u606f\u3002 <\/li>\n<p> \u66f4\u65b0\u7684\u547d\u4ee4\u793a\u4f8b\u5982\u4e0b&#xff1a; <\/p>\n<p>sudo apt-get update        # \u66f4\u65b0\u8f6f\u4ef6\u5305\u5217\u8868<br \/>\nsudo apt-get upgrade       # \u66f4\u65b0\u6240\u6709\u5df2\u5b89\u88c5\u7684\u8f6f\u4ef6\u5305<br \/>\nsudo apt-get dist-upgrade  # \u5347\u7ea7\u6574\u4e2a\u7cfb\u7edf&#xff0c;\u5305\u62ec\u5185\u6838<\/p>\n<p> \u5728\u6267\u884c  dist-upgrade  \u65f6&#xff0c;\u5982\u679c\u7cfb\u7edf\u63d0\u793a\u6709\u5305\u8981\u5220\u9664&#xff0c;\u4f60\u9700\u8981\u4ed4\u7ec6\u68c0\u67e5\u8fd9\u4e9b\u5305&#xff0c;\u5e76\u786e\u8ba4\u5220\u9664\u64cd\u4f5c\u4e0d\u4f1a\u5f71\u54cd\u5230\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u3002 <\/p>\n<h4> 6.1.2 \u7248\u672c\u5347\u7ea7\u7684\u5f71\u54cd\u4e0e\u64cd\u4f5c\u6b65\u9aa4 <\/h4>\n<p> \u5f53OpenSSH\u53d1\u5e03\u65b0\u7248\u672c\u65f6&#xff0c;\u6839\u636e\u5177\u4f53\u66f4\u6539&#xff0c;\u5347\u7ea7\u53ef\u80fd\u4f1a\u5bf9\u7cfb\u7edf\u4ea7\u751f\u4e0d\u540c\u7684\u5f71\u54cd\u3002\u5bf9\u4e8eUbuntu 14.04 LTS\u8fd9\u6837\u7684\u957f\u671f\u652f\u6301\u7248\u672c&#xff0c;\u901a\u5e38\u662f\u63a8\u8350\u5347\u7ea7\u5230\u6700\u65b0\u7684\u5b89\u5168\u7248\u672c&#xff0c;\u4f46\u4e0d\u63a8\u8350\u5347\u7ea7\u5230\u4e0b\u4e00\u4e2a\u4e3b\u8981\u7248\u672c&#xff0c;\u56e0\u4e3a\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u4e0d\u7a33\u5b9a\u6027\u3002 <\/p>\n<p> \u5347\u7ea7OpenSSH\u7684\u6b65\u9aa4\u5927\u81f4\u5982\u4e0b&#xff1a; <\/p>\n<li> \u9996\u5148&#xff0c;\u66f4\u65b0\u8f6f\u4ef6\u5305\u5217\u8868\u5e76\u5347\u7ea7\u73b0\u6709\u5305&#xff1a; <\/li>\n<p>  bash sudo apt-get update sudo apt-get upgrade  <\/p>\n<li> \u7136\u540e&#xff0c;\u5b89\u88c5\u65b0\u7248\u672c\u7684OpenSSH\u670d\u52a1\u5668\u3002\u5982\u679c\u65b0\u7248\u672c\u4e0d\u5728\u4f60\u7684\u8f6f\u4ef6\u6e90\u4e2d&#xff0c;\u4f60\u9700\u8981\u6dfb\u52a0\u65b0\u7248\u672c\u7684PPA\u6216\u8005\u4ece\u6e90\u4ee3\u7801\u7f16\u8bd1\u5b89\u88c5&#xff1a; <\/li>\n<p>  bash sudo apt-get install openssh-server  <\/p>\n<li> \u5347\u7ea7\u540e&#xff0c;\u68c0\u67e5  \/etc\/ssh\/sshd_config  \u914d\u7f6e\u6587\u4ef6\u662f\u5426\u6709\u4efb\u4f55\u66f4\u6539\u9700\u8981\u624b\u52a8\u5e94\u7528\u3002\u66f4\u65b0\u914d\u7f6e\u6587\u4ef6\u540e&#xff0c;\u91cd\u542fSSH\u670d\u52a1\u4ee5\u5e94\u7528\u66f4\u6539&#xff1a; <\/li>\n<p>  bash sudo systemctl restart ssh  <\/p>\n<li> \u6700\u540e&#xff0c;\u6d4b\u8bd5\u8fde\u63a5&#xff0c;\u786e\u4fdd\u5347\u7ea7\u6ca1\u6709\u5f71\u54cd\u5230\u6b63\u5e38\u7684\u8fde\u63a5\u4e0e\u64cd\u4f5c\u3002 <\/li>\n<h3> 6.2 \u76d1\u63a7\u4e0e\u65e5\u5fd7\u5206\u6790 <\/h3>\n<h4> 6.2.1 OpenSSH\u7684\u8fd0\u884c\u76d1\u63a7\u6307\u6807 <\/h4>\n<p> OpenSSH\u670d\u52a1\u5668\u7684\u8fd0\u884c\u76d1\u63a7\u4e3b\u8981\u5173\u6ce8\u7684\u6307\u6807\u5305\u62ec\u8fde\u63a5\u6570\u91cf\u3001\u8ba4\u8bc1\u5c1d\u8bd5\u6b21\u6570\u3001\u5f02\u5e38\u6d3b\u52a8\u7b49\u3002\u5728Ubuntu\u7cfb\u7edf\u4e0a&#xff0c;\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u6765\u5b9e\u65f6\u76d1\u63a7OpenSSH\u7684\u72b6\u6001&#xff1a; <\/p>\n<p>sudo systemctl status ssh<\/p>\n<p> \u6b64\u547d\u4ee4\u5c06\u663e\u793a\u670d\u52a1\u7684\u72b6\u6001\u548c\u6700\u8fd1\u7684\u65e5\u5fd7\u6761\u76ee\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u68c0\u67e5\u7cfb\u7edf\u4e2d\u7684SSH\u8fde\u63a5\u6570&#xff1a; <\/p>\n<p>grep &#034;Accepted&#034; \/var\/log\/auth.log | wc -l<br \/>\ngrep &#034;Failed&#034; \/var\/log\/auth.log | wc -l<\/p>\n<p> \u8fd9\u4e24\u4e2a\u547d\u4ee4\u5206\u522b\u8ba1\u7b97\u4e86\u6210\u529f\u7684\u767b\u5f55\u5c1d\u8bd5\u548c\u5931\u8d25\u7684\u767b\u5f55\u5c1d\u8bd5\u7684\u6b21\u6570\u3002 <\/p>\n<h4> 6.2.2 \u65e5\u5fd7\u6587\u4ef6\u7684\u67e5\u770b\u4e0e\u5206\u6790\u6280\u5de7 <\/h4>\n<p> OpenSSH\u7684\u65e5\u5fd7\u6587\u4ef6\u4e3b\u8981\u4f4d\u4e8e  \/var\/log\/auth.log  &#xff0c;\u53ef\u4ee5\u63d0\u4f9b\u6709\u5173\u8ba4\u8bc1\u5c1d\u8bd5\u3001\u8fde\u63a5\u4fe1\u606f\u548c\u5f02\u5e38\u884c\u4e3a\u7684\u8be6\u7ec6\u4fe1\u606f\u3002 <\/p>\n<p> \u4ee5\u4e0b\u662f\u4e00\u4e9b\u5206\u6790\u65e5\u5fd7\u6587\u4ef6\u7684\u6280\u5de7&#xff1a; <\/p>\n<li>  \u67e5\u770b\u6700\u65b0\u7684\u65e5\u5fd7\u6761\u76ee  &#xff1a; <\/li>\n<p>  bash sudo tail -f \/var\/log\/auth.log  <\/p>\n<li>  \u7b5b\u9009\u7279\u5b9a\u65f6\u95f4\u6bb5\u7684\u65e5\u5fd7  &#xff1a; <\/li>\n<p>  bash grep &#034;Nov 30&#034; \/var\/log\/auth.log  <\/p>\n<li>  \u4f7f\u7528  awk  \u548c  cut  \u547d\u4ee4\u7ec4\u5408\u6765\u63d0\u53d6\u7279\u5b9a\u5217\u7684\u4fe1\u606f  &#xff1a; <\/li>\n<p>  bash grep sshd \/var\/log\/auth.log | awk &#039;{print $5,$6}&#039; | cut -d: -f1  <\/p>\n<p> \u8fd9\u5c06\u6253\u5370\u51fa\u6240\u6709  sshd  \u76f8\u5173\u7684\u65e5\u5fd7\u6761\u76ee&#xff0c;\u5e76\u4ece\u6bcf\u6761\u65e5\u5fd7\u4e2d\u63d0\u53d6\u65f6\u95f4\u6233\u548c\u7528\u6237\u4fe1\u606f\u3002 <\/p>\n<li>  \u7edf\u8ba1\u7279\u5b9a\u7528\u6237\u7684\u767b\u5f55\u5c1d\u8bd5\u6b21\u6570  &#xff1a; <\/li>\n<p>  bash grep sshd \/var\/log\/auth.log | grep -v &#039;Failed&#039; | grep &#039;username&#039; | wc -l  <\/p>\n<p> \u8fd9\u4e2a\u547d\u4ee4\u4f1a\u7edf\u8ba1\u7528\u6237\u540d\u4e3a  username  \u7684\u7528\u6237\u6210\u529f\u767b\u5f55\u7684\u6b21\u6570\u3002 <\/p>\n<p> \u76d1\u63a7\u548c\u65e5\u5fd7\u5206\u6790\u662f\u7ef4\u62a4\u7cfb\u7edf\u5b89\u5168\u7684\u5173\u952e\u6b65\u9aa4&#xff0c;\u5b83\u4eec\u53ef\u4ee5\u5e2e\u52a9\u4f60\u53ca\u65f6\u53d1\u73b0\u5f02\u5e38\u884c\u4e3a\u5e76\u91c7\u53d6\u63aa\u65bd\u4ee5\u9632\u6b62\u6f5c\u5728\u7684\u5b89\u5168\u5a01\u80c1\u3002\u6b64\u5916&#xff0c;\u5b9a\u671f\u56de\u987e\u65e5\u5fd7\u6587\u4ef6&#xff0c;\u53ef\u4ee5\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u7cfb\u7edf\u4f7f\u7528\u6a21\u5f0f&#xff0c;\u4ece\u800c\u4f18\u5316\u914d\u7f6e\u548c\u63d0\u5347\u7cfb\u7edf\u6027\u80fd\u3002 <\/p>\n<h2> 7. \u603b\u7ed3\u4e0e\u672a\u6765\u5c55\u671b <\/h2>\n<h3> 7.1 \u672c\u6559\u7a0b\u7684\u56de\u987e\u4e0e\u603b\u7ed3 <\/h3>\n<h4> 7.1.1 \u5173\u952e\u77e5\u8bc6\u70b9\u68b3\u7406 <\/h4>\n<p> \u56de\u987e\u6574\u4e2a\u6559\u7a0b&#xff0c;\u6211\u4eec\u9996\u5148\u4eceUbuntu\u7cfb\u7edf\u4e2d\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\u7684\u603b\u4f53\u6982\u8ff0\u8bb2\u8d77&#xff0c;\u6d89\u53ca\u4e86\u5b89\u88c5\u524d\u7684\u51c6\u5907\u5de5\u4f5c&#xff0c;\u5305\u62ec\u7cfb\u7edf\u8981\u6c42\u4e0e\u517c\u5bb9\u6027\u68c0\u67e5\u3001\u8f6f\u4ef6\u5305\u7684\u9009\u62e9\u3002\u63a5\u7740&#xff0c;\u6211\u4eec\u6df1\u5165\u5230\u624b\u52a8\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\u7684\u8fc7\u7a0b&#xff0c;\u6db5\u76d6\u4e86\u5b89\u88c5\u524d\u7684\u51c6\u5907\u3001\u5b89\u88c5\u6b65\u9aa4\u7684\u8be6\u7ec6\u89e3\u91ca&#xff0c;\u4ee5\u53ca\u89e3\u51b3\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u9047\u5230\u7684\u95ee\u9898\u3002 <\/p>\n<p> \u5728\u914d\u7f6e\u4e0e\u542f\u52a8\u65b9\u9762&#xff0c;\u672c\u6559\u7a0b\u4ecb\u7ecd\u4e86OpenSSH\u914d\u7f6e\u6587\u4ef6\u7684\u7ed3\u6784\u4e0e\u8bed\u6cd5&#xff0c;\u4ee5\u53ca\u5982\u4f55\u8bbe\u7f6e\u5e38\u89c1\u914d\u7f6e\u9879\u3002\u6b64\u5916&#xff0c;\u63d0\u4f9b\u4e86\u542f\u52a8\u670d\u52a1\u7684\u547d\u4ee4\u3001\u8fde\u63a5\u6d4b\u8bd5\u4e0e\u6545\u969c\u6392\u67e5\u65b9\u6cd5\u3002\u4e3a\u4e86\u4fdd\u969c\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027&#xff0c;\u6211\u4eec\u8fd8\u8bb2\u89e3\u4e86\u9632\u706b\u5899\u89c4\u5219\u7684\u8bbe\u7f6e&#xff0c;\u5305\u62ec\u89c4\u5219\u7684\u914d\u7f6e\u4e0e\u6d4b\u8bd5\u9a8c\u8bc1\u3002 <\/p>\n<p> \u8be6\u7ec6\u5b89\u88c5\u6b65\u9aa4\u65b9\u9762&#xff0c;\u672c\u6559\u7a0b\u4e3a\u521d\u5b66\u8005\u63d0\u4f9b\u4e86\u5feb\u901f\u5b89\u88c5\u6307\u5357&#xff0c;\u5305\u62ec\u6d41\u7a0b\u56fe\u89e3\u548c\u6bcf\u4e2a\u6b65\u9aa4\u7684\u8be6\u7ec6\u64cd\u4f5c\u8bf4\u660e&#xff1b;\u540c\u65f6\u4e3a\u8fdb\u9636\u7528\u6237\u63d0\u4f9b\u4e86\u6df1\u5165\u914d\u7f6e\u6307\u5357&#xff0c;\u5305\u62ec\u9ad8\u7ea7\u914d\u7f6e\u9009\u9879\u89e3\u6790\u4ee5\u53ca\u5b89\u5168\u52a0\u56fa\u4e0e\u6027\u80fd\u4f18\u5316\u5efa\u8bae\u3002 <\/p>\n<p> \u5728\u7ef4\u62a4\u65b9\u9762&#xff0c;\u6211\u4eec\u8ba8\u8bba\u4e86\u5728Ubuntu 14.04 LTS\u7cfb\u7edf\u4e0a\u7ef4\u62a4OpenSSH\u670d\u52a1\u5668\u7684\u5177\u4f53\u6b65\u9aa4&#xff0c;\u5982\u66f4\u65b0\u4e0e\u5347\u7ea7\u670d\u52a1\u5668\u7684\u8fc7\u7a0b\u3001\u76d1\u63a7\u670d\u52a1\u5668\u7684\u8fd0\u884c\u72b6\u6001&#xff0c;\u4ee5\u53ca\u5206\u6790\u65e5\u5fd7\u6587\u4ef6\u7684\u65b9\u6cd5\u3002 <\/p>\n<h4> 7.1.2 \u5b89\u88c5\u4e0e\u914d\u7f6e\u7684\u6700\u4f73\u5b9e\u8df5 <\/h4>\n<p> \u5728\u5b89\u88c5\u548c\u914d\u7f6eOpenSSH\u670d\u52a1\u5668\u65f6&#xff0c;\u6700\u4f73\u5b9e\u8df5\u5305\u62ec&#xff1a; <\/p>\n<ul>\n<li> \u4fdd\u6301\u7cfb\u7edf\u66f4\u65b0&#xff0c;\u786e\u4fdd\u6240\u6709\u4f9d\u8d56\u7684\u8f6f\u4ef6\u5305\u90fd\u662f\u6700\u65b0\u7684\u3002 <\/li>\n<li> \u4f7f\u7528\u9884\u7f16\u8bd1\u7684\u8f6f\u4ef6\u5305\u8fdb\u884c\u5b89\u88c5&#xff0c;\u4ee5\u51cf\u5c11\u914d\u7f6e\u9519\u8bef\u3002 <\/li>\n<li> \u914d\u7f6e\u6587\u4ef6\u5e94\u8be5\u5b9a\u671f\u5907\u4efd&#xff0c;\u5e76\u4e14\u5728\u66f4\u6539\u524d\u5e94\u8be5\u5148\u8fdb\u884c\u6d4b\u8bd5\u3002 <\/li>\n<li> \u8bbe\u7f6e\u4e25\u683c\u7684\u9632\u706b\u5899\u89c4\u5219&#xff0c;\u9650\u5236\u4e0d\u5fc5\u8981\u7684\u8bbf\u95ee\u3002 <\/li>\n<li> \u914d\u7f6e\u65f6\u6ce8\u610f\u5bc6\u7801\u7b56\u7565\u548c\u5bc6\u94a5\u7ba1\u7406&#xff0c;\u4f7f\u7528\u66f4\u5b89\u5168\u7684\u8ba4\u8bc1\u65b9\u5f0f\u3002 <\/li>\n<li> \u5b9a\u671f\u76d1\u63a7\u670d\u52a1\u72b6\u6001\u548c\u65e5\u5fd7\u6587\u4ef6&#xff0c;\u4ee5\u4fbf\u4e8e\u53ca\u65f6\u53d1\u73b0\u95ee\u9898\u548c\u8fdb\u884c\u6027\u80fd\u8c03\u4f18\u3002 <\/li>\n<\/ul>\n<h3> 7.2 OpenSSH\u6280\u672f\u53d1\u5c55\u8d8b\u52bf <\/h3>\n<h4> 7.2.1 \u5f53\u524d\u7248\u672c\u7684\u65b0\u7279\u6027\u4e0e\u6539\u8fdb <\/h4>\n<p> OpenSSH\u4f5c\u4e3aLinux\u7cfb\u7edf\u4e2d\u5e7f\u6cdb\u4f7f\u7528\u7684SSH\u534f\u8bae\u5b9e\u73b0&#xff0c;\u6301\u7eed\u8fdb\u884c\u66f4\u65b0\u548c\u6539\u8fdb\u3002\u5f53\u524d\u7248\u672c\u53ef\u80fd\u5305\u62ec\u4e86\u5b89\u5168\u6027\u589e\u5f3a\u3001\u6027\u80fd\u63d0\u5347\u3001\u4ee5\u53ca\u65b0\u529f\u80fd\u7684\u5f15\u5165\u3002\u4f8b\u5982&#xff0c;\u65b0\u7248\u672c\u53ef\u80fd\u5bf9\u52a0\u5bc6\u7b97\u6cd5\u8fdb\u884c\u4e86\u66f4\u65b0&#xff0c;\u589e\u52a0\u4e86\u5bf9\u65b0\u578b\u786c\u4ef6\u7684\u652f\u6301&#xff0c;\u6216\u8005\u6539\u8fdb\u4e86\u8fde\u63a5\u7684\u7a33\u5b9a\u6027\u4e0e\u901f\u5ea6\u3002\u8fd9\u4e9b\u6539\u8fdb\u786e\u4fdd\u4e86OpenSSH\u670d\u52a1\u5668\u53ef\u4ee5\u66f4\u597d\u5730\u9002\u5e94\u73b0\u4ee3\u7f51\u7edc\u73af\u5883\u7684\u9700\u6c42\u3002 <\/p>\n<h4> 7.2.2 \u672a\u6765\u6280\u672f\u7684\u5c55\u671b\u4e0e\u53d1\u5c55\u65b9\u5411 <\/h4>\n<p> \u5c55\u671b\u672a\u6765&#xff0c;OpenSSH\u9884\u8ba1\u4f1a\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u5411\u8fdb\u884c\u53d1\u5c55&#xff1a; <\/p>\n<ul>\n<li>  \u589e\u5f3a\u7684\u5b89\u5168\u6027  &#xff1a;\u968f\u7740\u7f51\u7edc\u5b89\u5168\u5a01\u80c1\u7684\u4e0d\u65ad\u6f14\u53d8&#xff0c;OpenSSH\u5c06\u7ee7\u7eed\u5f15\u5165\u66f4\u52a0\u5148\u8fdb\u7684\u52a0\u5bc6\u7b97\u6cd5\u548c\u8ba4\u8bc1\u673a\u5236&#xff0c;\u4ee5\u4fdd\u62a4\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002 <\/li>\n<li>  \u6027\u80fd\u4f18\u5316  &#xff1a;\u4e3a\u4e86\u5e94\u5bf9\u65e5\u76ca\u589e\u957f\u7684\u7f51\u7edc\u6d41\u91cf\u548c\u7528\u6237\u6570\u91cf&#xff0c;OpenSSH\u5c06\u4e0d\u65ad\u4f18\u5316\u5176\u67b6\u6784&#xff0c;\u51cf\u5c11\u8d44\u6e90\u6d88\u8017&#xff0c;\u63d0\u9ad8\u5e76\u53d1\u8fde\u63a5\u7684\u5904\u7406\u80fd\u529b\u3002 <\/li>\n<li>  \u8de8\u5e73\u53f0\u652f\u6301  &#xff1a;\u968f\u7740\u7269\u8054\u7f51(IoT)\u548c\u79fb\u52a8\u8bbe\u5907\u7684\u666e\u53ca&#xff0c;OpenSSH\u5c06\u4f1a\u589e\u52a0\u5bf9\u66f4\u591a\u64cd\u4f5c\u7cfb\u7edf\u548c\u8bbe\u5907\u7684\u652f\u6301&#xff0c;\u5305\u62ec\u79fb\u52a8\u64cd\u4f5c\u7cfb\u7edf\u548c\u5d4c\u5165\u5f0f\u7cfb\u7edf\u3002 <\/li>\n<li>  \u96c6\u6210\u5148\u8fdb\u7684\u7f51\u7edc\u6280\u672f  &#xff1a;OpenSSH\u53ef\u80fd\u4f1a\u96c6\u6210\u6700\u65b0\u7684\u7f51\u7edc\u6280\u672f&#xff0c;\u5982QUIC\u534f\u8bae&#xff0c;\u4ee5\u8fdb\u4e00\u6b65\u63d0\u5347\u8fde\u63a5\u7684\u7a33\u5b9a\u6027\u548c\u901f\u5ea6\u3002 <\/li>\n<\/ul>\n<p> \u901a\u8fc7\u4e0d\u65ad\u7684\u6280\u672f\u66f4\u65b0\u548c\u4f18\u5316&#xff0c;OpenSSH\u5c06\u7ee7\u7eed\u6210\u4e3aLinux\u7cfb\u7edf\u4e2d\u5b89\u5168\u3001\u53ef\u9760\u3001\u9ad8\u6548\u7684\u8fdc\u7a0b\u8fde\u63a5\u5de5\u5177\u3002 <\/p>\n<p>  \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90&#xff0c;\u70b9\u51fb\u83b7\u53d6  <img decoding=\"async\" alt=\"menu-r.4af5f7ec.gif\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250530233552-683a40d8ca17b.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom;cursor:text\" \/> <\/p>\n<p> \u7b80\u4ecb&#xff1a;\u672c\u6587\u4ecb\u7ecd\u5728\u65e0\u6cd5\u4f7f\u7528\u7f51\u7edc\u5305\u7ba1\u7406\u5668\u7684\u60c5\u51b5\u4e0b&#xff0c;\u5982\u4f55\u5728Ubuntu 14.04 LTS\u7cfb\u7edf\u4e0a\u624b\u52a8\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\u3002\u6587\u7ae0\u63d0\u4f9b\u4e86\u8be6\u7ec6\u7684\u6b65\u9aa4\u8bf4\u660e\u548c\u6240\u9700\u7684\u8f6f\u4ef6\u5305&#xff0c;\u5305\u62eczlib\u3001openssl\u548copenssh&#xff0c;\u8fd9\u4e9b\u8f6f\u4ef6\u5305\u662f\u5b89\u88c5OpenSSH\u7684\u5173\u952e\u4f9d\u8d56\u3002\u901a\u8fc7\u89e3\u538b\u3001\u914d\u7f6e\u3001\u7f16\u8bd1\u548c\u5b89\u88c5\u8fd9\u4e9b\u7ec4\u4ef6&#xff0c;\u4ee5\u53ca\u914d\u7f6eOpenSSH\u670d\u52a1\u5668\u548c\u8c03\u6574\u9632\u706b\u5899\u89c4\u5219&#xff0c;\u8bfb\u8005\u80fd\u591f\u79bb\u7ebf\u8bbe\u7f6e\u548c\u542f\u52a8OpenSSH\u670d\u52a1\u3002 <\/p>\n<p>  \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90&#xff0c;\u70b9\u51fb\u83b7\u53d6  <img decoding=\"async\" alt=\"menu-r.4af5f7ec.gif\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250530233552-683a40d8ca17b.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom;cursor:text\" \/> <\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb813\u6b21\uff0c\u70b9\u8d5e11\u6b21\uff0c\u6536\u85cf8\u6b21\u3002OpenSSH\u662f\u4e00\u4e2a\u5f00\u6e90\u9879\u76ee\uff0c\u63d0\u4f9b\u4e86\u4e00\u5957\u7528\u4e8e\u8fdc\u7a0b\u767b\u5f55\u548c\u6267\u884c\u547d\u4ee4\u7684\u52a0\u5bc6\u8f6f\u4ef6\u5305\uff0c\u5b83\u5b9e\u73b0\u4e86SSH\u534f\u8bae\u7684\u6240\u6709\u529f\u80fd\u3002\u5728Ubuntu\u7cfb\u7edf\u4e2d\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\u5141\u8bb8\u7528\u6237\u5b89\u5168\u5730\u901a\u8fc7\u7f51\u7edc\u8fdc\u7a0b\u8bbf\u95ee\u7cfb\u7edf\uff0c\u6267\u884c\u7ba1\u7406\u4efb\u52a1\u3001\u6570\u636e\u4f20\u8f93\u53ca\u5176\u4ed6\u7f51\u7edc\u670d\u52a1\u3002\u5bf9\u4e8eIT\u884c\u4e1a\u6765\u8bf4\uff0c\u8fdc\u7a0b\u8bbf\u95ee\u662f\u4e00\u79cd\u57fa\u672c\u4e14\u81f3\u5173\u91cd\u8981\u7684\u529f\u80fd\uff0c\u5b83\u63d0\u9ad8\u4e86\u5de5\u4f5c\u6548\u7387\u5e76\u7b80\u5316\u4e86IT\u7ba1\u7406\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5982\u4f55\u5728Ubuntu\u4e2d\u5b89\u88c5\u548c\u914d\u7f6eOpenSSH\u670d\u52a1\u5668\u5bf9\u4e8e\u7cfb\u7edf\u7ba1\u7406\u5458\u53ca\u7f51\u7edc\u5de5\u7a0b\u5e08\u6765\u8bf4\u662f\u57fa\u7840\u4e14\u5fc5\u4e0d\u53ef\u5c11\u7684\u6280\u80fd\u3002OpenSSH\u670d\u52a1\u5668\u7684\u914d\u7f6e\u6587\u4ef6\u901a\u5e38\u4f4d\u4e8e\u3002<\/p>\n","protected":false},"author":2,"featured_media":41141,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"topic":[],"class_list":["post-41143","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ubuntu 14.04 LTS\u4e0a\u624b\u52a8\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\u7684\u8be6\u7ec6\u6307\u5357 - \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\/41143.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ubuntu 14.04 LTS\u4e0a\u624b\u52a8\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\u7684\u8be6\u7ec6\u6307\u5357 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb813\u6b21\uff0c\u70b9\u8d5e11\u6b21\uff0c\u6536\u85cf8\u6b21\u3002OpenSSH\u662f\u4e00\u4e2a\u5f00\u6e90\u9879\u76ee\uff0c\u63d0\u4f9b\u4e86\u4e00\u5957\u7528\u4e8e\u8fdc\u7a0b\u767b\u5f55\u548c\u6267\u884c\u547d\u4ee4\u7684\u52a0\u5bc6\u8f6f\u4ef6\u5305\uff0c\u5b83\u5b9e\u73b0\u4e86SSH\u534f\u8bae\u7684\u6240\u6709\u529f\u80fd\u3002\u5728Ubuntu\u7cfb\u7edf\u4e2d\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\u5141\u8bb8\u7528\u6237\u5b89\u5168\u5730\u901a\u8fc7\u7f51\u7edc\u8fdc\u7a0b\u8bbf\u95ee\u7cfb\u7edf\uff0c\u6267\u884c\u7ba1\u7406\u4efb\u52a1\u3001\u6570\u636e\u4f20\u8f93\u53ca\u5176\u4ed6\u7f51\u7edc\u670d\u52a1\u3002\u5bf9\u4e8eIT\u884c\u4e1a\u6765\u8bf4\uff0c\u8fdc\u7a0b\u8bbf\u95ee\u662f\u4e00\u79cd\u57fa\u672c\u4e14\u81f3\u5173\u91cd\u8981\u7684\u529f\u80fd\uff0c\u5b83\u63d0\u9ad8\u4e86\u5de5\u4f5c\u6548\u7387\u5e76\u7b80\u5316\u4e86IT\u7ba1\u7406\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5982\u4f55\u5728Ubuntu\u4e2d\u5b89\u88c5\u548c\u914d\u7f6eOpenSSH\u670d\u52a1\u5668\u5bf9\u4e8e\u7cfb\u7edf\u7ba1\u7406\u5458\u53ca\u7f51\u7edc\u5de5\u7a0b\u5e08\u6765\u8bf4\u662f\u57fa\u7840\u4e14\u5fc5\u4e0d\u53ef\u5c11\u7684\u6280\u80fd\u3002OpenSSH\u670d\u52a1\u5668\u7684\u914d\u7f6e\u6587\u4ef6\u901a\u5e38\u4f4d\u4e8e\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/41143.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-05-30T23:35:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250530233552-683a40d8ca17b.gif\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/41143.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/41143.html\",\"name\":\"Ubuntu 14.04 LTS\u4e0a\u624b\u52a8\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\u7684\u8be6\u7ec6\u6307\u5357 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2025-05-30T23:35:54+00:00\",\"dateModified\":\"2025-05-30T23:35:54+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/41143.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/41143.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/41143.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ubuntu 14.04 LTS\u4e0a\u624b\u52a8\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\u7684\u8be6\u7ec6\u6307\u5357\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Ubuntu 14.04 LTS\u4e0a\u624b\u52a8\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\u7684\u8be6\u7ec6\u6307\u5357 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/41143.html","og_locale":"zh_CN","og_type":"article","og_title":"Ubuntu 14.04 LTS\u4e0a\u624b\u52a8\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\u7684\u8be6\u7ec6\u6307\u5357 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb813\u6b21\uff0c\u70b9\u8d5e11\u6b21\uff0c\u6536\u85cf8\u6b21\u3002OpenSSH\u662f\u4e00\u4e2a\u5f00\u6e90\u9879\u76ee\uff0c\u63d0\u4f9b\u4e86\u4e00\u5957\u7528\u4e8e\u8fdc\u7a0b\u767b\u5f55\u548c\u6267\u884c\u547d\u4ee4\u7684\u52a0\u5bc6\u8f6f\u4ef6\u5305\uff0c\u5b83\u5b9e\u73b0\u4e86SSH\u534f\u8bae\u7684\u6240\u6709\u529f\u80fd\u3002\u5728Ubuntu\u7cfb\u7edf\u4e2d\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\u5141\u8bb8\u7528\u6237\u5b89\u5168\u5730\u901a\u8fc7\u7f51\u7edc\u8fdc\u7a0b\u8bbf\u95ee\u7cfb\u7edf\uff0c\u6267\u884c\u7ba1\u7406\u4efb\u52a1\u3001\u6570\u636e\u4f20\u8f93\u53ca\u5176\u4ed6\u7f51\u7edc\u670d\u52a1\u3002\u5bf9\u4e8eIT\u884c\u4e1a\u6765\u8bf4\uff0c\u8fdc\u7a0b\u8bbf\u95ee\u662f\u4e00\u79cd\u57fa\u672c\u4e14\u81f3\u5173\u91cd\u8981\u7684\u529f\u80fd\uff0c\u5b83\u63d0\u9ad8\u4e86\u5de5\u4f5c\u6548\u7387\u5e76\u7b80\u5316\u4e86IT\u7ba1\u7406\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5982\u4f55\u5728Ubuntu\u4e2d\u5b89\u88c5\u548c\u914d\u7f6eOpenSSH\u670d\u52a1\u5668\u5bf9\u4e8e\u7cfb\u7edf\u7ba1\u7406\u5458\u53ca\u7f51\u7edc\u5de5\u7a0b\u5e08\u6765\u8bf4\u662f\u57fa\u7840\u4e14\u5fc5\u4e0d\u53ef\u5c11\u7684\u6280\u80fd\u3002OpenSSH\u670d\u52a1\u5668\u7684\u914d\u7f6e\u6587\u4ef6\u901a\u5e38\u4f4d\u4e8e\u3002","og_url":"https:\/\/www.wsisp.com\/helps\/41143.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2025-05-30T23:35:54+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250530233552-683a40d8ca17b.gif"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"6 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/41143.html","url":"https:\/\/www.wsisp.com\/helps\/41143.html","name":"Ubuntu 14.04 LTS\u4e0a\u624b\u52a8\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\u7684\u8be6\u7ec6\u6307\u5357 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2025-05-30T23:35:54+00:00","dateModified":"2025-05-30T23:35:54+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/41143.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/41143.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/41143.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"Ubuntu 14.04 LTS\u4e0a\u624b\u52a8\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\u7684\u8be6\u7ec6\u6307\u5357"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/41143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=41143"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/41143\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/41141"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=41143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=41143"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=41143"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=41143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}