{"id":59877,"date":"2023-10-30T11:56:42","date_gmt":"2023-10-30T03:56:42","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=59877"},"modified":"2023-10-30T11:56:50","modified_gmt":"2023-10-30T03:56:50","slug":"linux%e8%bf%9e%e6%8e%a5ssh%e6%97%b6%e6%9c%89%e4%b8%80%e5%8f%b0%e5%a7%8b%e7%bb%88%e6%97%a0%e6%b3%95%e8%bf%9e%e6%8e%a5%e6%80%8e%e4%b9%88%e8%a7%a3%e5%86%b3","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/59877.html","title":{"rendered":"Linux\u8fde\u63a5SSH\u65f6\u6709\u4e00\u53f0\u59cb\u7ec8\u65e0\u6cd5\u8fde\u63a5\u600e\u4e48\u89e3\u51b3"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote\">\n<p>\u200b\u9047\u5230Linux\u7cfb\u7edf\u4e2dSSH\u8fde\u63a5\u95ee\u9898\u65f6\uff0c\u8be5\u600e\u4e48\u89e3\u51b3\uff1f\u672c\u6587\u5c06\u4e3a\u60a8\u63d0\u4f9b\u4ee5\u4e0b\u51e0\u6b65\uff1a1.\u786e\u8ba4\u7f51\u7edc\u8fde\u901a\u6027\uff1b2.\u68c0\u67e5SSH\u670d\u52a1\u72b6\u6001\uff1b3.\u67e5\u770b\u7aef\u53e3\u8bbe\u7f6e\uff1b4.\u9a8c\u8bc1SSH\u914d\u7f6e\u6587\u4ef6\uff1b5.\u7814\u7a76\u9632\u706b\u5899\u8bbe\u7f6e\u3002\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u786e\u5b9aSSH\u670d\u52a1\u662f\u5426\u6b63\u5728\u8fd0\u884c\u5e76\u76d1\u542c\u6b63\u786e\u7684\u7aef\u53e3\u3002<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">1.\u786e\u8ba4\u7f51\u7edc\u8fde\u901a\u6027<\/h2>\n\n\n\n<p>\u5728\u5904\u7406SSH\u8fde\u63a5\u95ee\u9898\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u786e\u4fdd\u76ee\u6807\u673a\u5668\u662f\u53ef\u4ee5\u8bbf\u95ee\u7684\u3002\u4f7f\u7528<strong>ping<\/strong>\u547d\u4ee4\u6765\u786e\u8ba4\u7f51\u7edc\u7684\u8fde\u901a\u6027\u3002\u5982\u679c\u65e0\u6cd5ping\u901a\uff0c\u90a3\u53ef\u80fd\u662f\u7f51\u7edc\u8bbe\u7f6e\u6216\u7269\u7406\u8fde\u63a5\u5b58\u5728\u95ee\u9898\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2.\u68c0\u67e5SSH\u670d\u52a1\u72b6\u6001<\/h2>\n\n\n\n<p>\u8981\u786e\u4fddSSH\u670d\u52a1\u6b63\u5728\u8fd0\u884c\uff0c\u53ef\u4ee5\u4f7f\u7528<strong>systemctl status sshd<\/strong>\u6765\u67e5\u770bSSH\u670d\u52a1\u7684\u72b6\u6001\u3002\u5982\u679cSSH\u670d\u52a1\u6ca1\u6709\u8fd0\u884c\uff0c\u4f7f\u7528<strong>systemctl start sshd<\/strong>\u542f\u52a8\u5b83\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3.\u67e5\u770b\u7aef\u53e3\u8bbe\u7f6e<\/h2>\n\n\n\n<p>SSH\u9ed8\u8ba4\u76d1\u542c22\u7aef\u53e3\uff0c\u4f46\u8fd9\u53ef\u80fd\u5df2\u7ecf\u88ab\u4fee\u6539\u3002\u4f7f\u7528<strong>netstat -tuln<\/strong>\u547d\u4ee4\u67e5\u770b\u6240\u6709\u76d1\u542c\u7684\u7aef\u53e3\uff0c\u786e\u8ba4SSH\u6b63\u5728\u76d1\u542c\u9884\u671f\u7684\u7aef\u53e3\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4.\u9a8c\u8bc1SSH\u914d\u7f6e\u6587\u4ef6<\/h2>\n\n\n\n<p>SSH\u914d\u7f6e\u6587\u4ef6\u4f4d\u4e8e<strong>\/etc\/ssh\/sshd_config<\/strong>\uff0c\u786e\u4fdd\u6ca1\u6709\u9519\u8bef\u7684\u914d\u7f6e\u6216\u4e0d\u5fc5\u8981\u7684\u66f4\u6539\u3002\u7279\u522b\u8981\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n\n\n\n<ul>\n<li><strong>Port<\/strong>: \u786e\u4fdd\u5b83\u8bbe\u7f6e\u7684\u662f\u4f60\u671f\u671bSSH\u76d1\u542c\u7684\u7aef\u53e3\u3002<\/li>\n\n\n\n<li><strong>PermitRootLogin<\/strong>: \u6839\u636e\u9700\u8981\u786e\u8ba4\u662f\u5426\u5141\u8bb8root\u767b\u5f55\u3002<\/li>\n\n\n\n<li><strong>PasswordAuthentication<\/strong>: \u786e\u5b9a\u662f\u5426\u5141\u8bb8\u5bc6\u7801\u8ba4\u8bc1\u3002<\/li>\n\n\n\n<li><strong>AllowUsers<\/strong>\u6216<strong>DenyUsers<\/strong>: \u786e\u4fdd\u4f60\u7684\u7528\u6237\u6ca1\u6709\u88ab\u62d2\u7edd\u6216\u88ab\u9650\u5236\u3002 \u8bb0\u5f97\u6bcf\u6b21\u66f4\u6539\u914d\u7f6e\u540e\u90fd\u8981\u91cd\u542fSSH\u670d\u52a1\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">5.\u7814\u7a76\u9632\u706b\u5899\u8bbe\u7f6e<\/h2>\n\n\n\n<p>\u9632\u706b\u5899\u53ef\u80fd\u4f1a\u963b\u6b62SSH\u8fde\u63a5\u3002\u4f7f\u7528<strong>firewall-cmd<\/strong>\u6216<strong>iptables<\/strong>\u547d\u4ee4\u6765\u67e5\u770b\u548c\u66f4\u6539\u9632\u706b\u5899\u89c4\u5219\uff0c\u786e\u4fddSSH\u7aef\u53e3\u662f\u5f00\u653e\u7684\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6.\u68c0\u67e5\u5bc6\u94a5\u548c\u8ba4\u8bc1<\/h2>\n\n\n\n<p>\u5982\u679c\u4f7f\u7528\u5bc6\u94a5\u8ba4\u8bc1\u800c\u4e0d\u662f\u5bc6\u7801\uff0c\u786e\u4fdd\u4f60\u7684\u79c1\u94a5\u4e0e\u670d\u52a1\u5668\u7684\u516c\u94a5\u5339\u914d\u3002\u79c1\u94a5\u6587\u4ef6\u6743\u9650\u4e5f\u5e94\u8be5\u4ec5\u9650\u4e8e\u7528\u6237\uff08chmod 600 ~\/.ssh\/id_rsa\uff09\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7.\u67e5\u770bSSH\u65e5\u5fd7<\/h2>\n\n\n\n<p>SSH\u65e5\u5fd7\u6587\u4ef6\u901a\u5e38\u4f4d\u4e8e<strong>\/var\/log\/auth.log<\/strong>\u6216<strong>\/var\/log\/secure<\/strong>\u3002\u67e5\u770b\u8fd9\u4e9b\u65e5\u5fd7\u53ef\u80fd\u4f1a\u7ed9\u51fa\u65e0\u6cd5\u8fde\u63a5\u7684\u539f\u56e0\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">8.\u5c1d\u8bd5\u4f7f\u7528\u4e0d\u540c\u7684SSH\u5ba2\u6237\u7aef<\/h2>\n\n\n\n<p>\u6709\u65f6\u5019\u95ee\u9898\u53ef\u80fd\u51fa\u5728SSH\u5ba2\u6237\u7aef\uff0c\u5c1d\u8bd5\u4f7f\u7528\u4e0d\u540c\u7684\u5ba2\u6237\u7aef\u6765\u6392\u9664\u8fd9\u4e2a\u53ef\u80fd\u6027\u3002<\/p>\n\n\n\n<p>\u7ed3\u8bba\uff1a \u9047\u5230Linux\u4e0a\u7684SSH\u8fde\u63a5\u95ee\u9898\u65f6\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u8bca\u65ad\u548c\u89e3\u51b3\u3002\u4ece\u7f51\u7edc\u8fde\u901a\u6027\u68c0\u67e5\u5230SSH\u670d\u52a1\u72b6\u6001\uff0c\u518d\u5230\u914d\u7f6e\u548c\u9632\u706b\u5899\u8bbe\u7f6e\uff0c\u6bcf\u4e00\u6b65\u90fd\u662f\u4e3a\u4e86\u786e\u4fdd\u8fde\u63a5\u80fd\u591f\u6210\u529f\u5efa\u7acb\u3002\u5982\u679c\u6309\u7167\u4e0a\u8ff0\u6b65\u9aa4\u4ecd\u65e0\u6cd5\u89e3\u51b3\u95ee\u9898\uff0c\u53ef\u80fd\u9700\u8981\u8003\u8651\u7cfb\u7edf\u65e5\u5fd7\u3001\u786c\u4ef6\u95ee\u9898\u6216\u7f51\u7edc\u4f9b\u5e94\u5546\u7684\u95ee\u9898\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"484\" height=\"300\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/10\/\u5982\u4f55\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u5b89\u88c5\u548c\u7ba1\u7406\u5b57\u4f53-2023-10-30T115604.399.png?x-oss-process=image\/auto-orient,1\/format,webp\" alt=\"\" class=\"wp-image-59879\" \/><\/figure><\/div>\n\n\n<p><strong>\u5e38\u89c1\u95ee\u7b54<\/strong>\uff1a<\/p>\n\n\n\n<ul>\n<li><strong>\u95ee<\/strong>\uff1a\u6211\u5df2\u7ecf\u786e\u8ba4\u4e86\u6211\u8f93\u5165\u7684IP\u5730\u5740\u3001\u7528\u6237\u540d\u548c\u5bc6\u7801\u90fd\u662f\u6b63\u786e\u7684\uff0c\u4f46\u6211\u4ecd\u7136\u65e0\u6cd5\u8fde\u63a5\u5230\u6211\u7684Linux\u670d\u52a1\u5668\uff0c\u4e3a\u4ec0\u4e48\uff1f<\/li>\n\n\n\n<li><strong>\u7b54<\/strong>\uff1a\u5373\u4f7f\u60a8\u8f93\u5165\u7684\u51ed\u636e\u662f\u6b63\u786e\u7684\uff0c\u4ecd\u6709\u53ef\u80fd\u7531\u4e8e\u8bf8\u5982SSH\u670d\u52a1\u672a\u8fd0\u884c\u3001\u7aef\u53e3\u88ab\u9632\u706b\u5899\u5c01\u9501\u3001\u5bc6\u94a5\u9a8c\u8bc1\u5931\u8d25\u7b49\u539f\u56e0\u5bfc\u81f4\u8fde\u63a5\u5931\u8d25\u3002\u5efa\u8bae\u60a8\u6309\u7167\u6587\u7ae0\u4e2d\u7684\u6b65\u9aa4\u4e00\u4e00\u68c0\u67e5\u548c\u89e3\u51b3\u3002<\/li>\n<\/ul>\n\n\n\n<ul>\n<li><strong>\u95ee<\/strong>\uff1a\u6211\u600e\u6837\u624d\u80fd\u77e5\u9053\u6211\u7684SSH\u670d\u52a1\u662f\u5426\u6b63\u5728\u8fd0\u884c\uff1f<\/li>\n\n\n\n<li><strong>\u7b54<\/strong>\uff1a\u60a8\u53ef\u4ee5\u767b\u5f55\u5230\u60a8\u7684Linux\u670d\u52a1\u5668\uff0c\u5e76\u6267\u884c\u547d\u4ee4<strong>sudo systemctl status sshd<\/strong>\u6765\u67e5\u770bSSH\u670d\u52a1\u7684\u72b6\u6001\u3002\u5982\u679c\u5b83\u6ca1\u6709\u8fd0\u884c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528<strong>sudo systemctl start sshd<\/strong>\u6765\u542f\u52a8\u5b83\u3002<\/li>\n<\/ul>\n\n\n\n<ul>\n<li><strong>\u95ee<\/strong>\uff1a\u6211\u5982\u4f55\u68c0\u67e5Linux\u670d\u52a1\u5668\u7684SSH\u7aef\u53e3\u662f\u5426\u88ab\u9632\u706b\u5899\u5c01\u9501\uff1f<\/li>\n\n\n\n<li><strong>\u7b54<\/strong>\uff1a\u60a8\u53ef\u4ee5\u5728\u670d\u52a1\u5668\u4e0a\u6267\u884c<strong>sudo ufw status<\/strong>\uff08\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662fUFW\u9632\u706b\u5899\uff09\u6765\u67e5\u770b\u9632\u706b\u5899\u89c4\u5219\u3002\u786e\u4fddSSH\u7684\u7aef\u53e3\uff08\u9ed8\u8ba4\u662f22\uff09\u662f\u5f00\u653e\u7684\u3002\u5982\u679c\u4e0d\u662f\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4<strong>sudo ufw allow 22\/tcp<\/strong>\u6765\u6253\u5f00\u5b83\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"\u200b\u9047\u5230Linux\u7cfb\u7edf\u4e2dSSH\u8fde\u63a5\u95ee\u9898\u65f6\uff0c\u8be5\u600e\u4e48\u89e3\u51b3\uff1f\u672c\u6587\u5c06\u4e3a\u60a8\u63d0\u4f9b\u4ee5\u4e0b\u51e0\u6b65\uff1a1.\u786e\u8ba4\u7f51\u7edc\u8fde\u901a\u6027\uff1b2.\u68c0\u67e5SSH [&hellip;]","protected":false},"author":7,"featured_media":59879,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/59877"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=59877"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/59877\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/59879"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=59877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=59877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=59877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}