{"id":17101,"date":"2024-11-18T14:44:14","date_gmt":"2024-11-18T06:44:14","guid":{"rendered":"https:\/\/fwq.ai\/blog\/17101\/"},"modified":"2024-11-18T14:44:14","modified_gmt":"2024-11-18T06:44:14","slug":"ssh%e5%ae%89%e5%85%a8%e5%8a%a0%e5%9b%ba%ef%bc%9a%e4%bf%9d%e6%8a%a4linux-sysops%e7%8e%af%e5%a2%83%e5%85%8d%e5%8f%97%e6%94%bb%e5%87%bb","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/17101\/","title":{"rendered":"SSH\u5b89\u5168\u52a0\u56fa\uff1a\u4fdd\u62a4Linux SysOps\u73af\u5883\u514d\u53d7\u653b\u51fb"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/164\/169569414956285.jpg\" class=\"aligncenter\" title=\"SSH\u5b89\u5168\u52a0\u56fa\uff1a\u4fdd\u62a4Linux SysOps\u73af\u5883\u514d\u53d7\u653b\u51fb\u63d2\u56fe\" alt=\"SSH\u5b89\u5168\u52a0\u56fa\uff1a\u4fdd\u62a4Linux SysOps\u73af\u5883\u514d\u53d7\u653b\u51fb\u63d2\u56fe\" \/><\/p>\n<p>SSH\u5b89\u5168\u52a0\u56fa\uff1a\u4fdd\u62a4Linux SysOps\u73af\u5883\u514d\u53d7\u653b\u51fb<\/p>\n<p>\u5f15\u8a00\uff1a<br \/>Secure Shell\uff08SSH\uff09\u662f\u4e00\u79cd\u5e7f\u6cdb\u5e94\u7528\u4e8e\u8fdc\u7a0b\u7ba1\u7406\u3001\u6587\u4ef6\u4f20\u8f93\u548c\u5b89\u5168\u4f20\u8f93\u7684\u534f\u8bae\u3002\u7136\u800c\uff0c\u7531\u4e8eSSH\u5e38\u5e38\u4f5c\u4e3a\u9ed1\u5ba2\u5165\u4fb5\u7684\u76ee\u6807\uff0c\u5b89\u5168\u52a0\u56faSSH\u670d\u52a1\u5668\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5b9e\u7528\u7684\u65b9\u6cd5\uff0c\u5e2e\u52a9SysOps\uff08\u7cfb\u7edf\u8fd0\u7ef4\uff09\u4eba\u5458\u52a0\u56fa\u548c\u4fdd\u62a4\u4ed6\u4eec\u7684Linux\u73af\u5883\u514d\u53d7SSH\u653b\u51fb\u3002<\/p>\n<p>\u4e00\u3001\u7981\u7528SSH ROOT\u767b\u5f55<br \/>SSH ROOT\u767b\u5f55\u662f\u6700\u53d7\u9ed1\u5ba2\u653b\u51fb\u7684\u76ee\u6807\u4e4b\u4e00\u3002\u9ed1\u5ba2\u80fd\u591f\u4f7f\u7528\u66b4\u529b\u7834\u89e3\u6216\u9488\u5bf9\u5df2\u77e5\u7684SSH\u6f0f\u6d1e\u8fdb\u884c\u653b\u51fb\u6765\u901a\u8fc7SSH ROOT\u767b\u5f55\u83b7\u53d6\u7ba1\u7406\u5458\u6743\u9650\u3002\u4e3a\u4e86\u9632\u6b62\u8fd9\u79cd\u60c5\u51b5\u53d1\u751f\uff0c\u7981\u7528SSH ROOT\u767b\u5f55\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u6b65\u3002<\/p>\n<p>\u5728SSH\u914d\u7f6e\u6587\u4ef6\uff08\u4e00\u822c\u4e3a\/etc\/ssh\/sshd_config\uff09\u4e2d\uff0c\u627e\u5230&#8221;PermitRootLogin&#8221;\u9009\u9879\uff0c\u5e76\u5c06\u5176\u503c\u4fee\u6539\u4e3a&#8221;no&#8221;\uff0c\u7136\u540e\u91cd\u542fSSH\u670d\u52a1\u3002\u4fee\u6539\u540e\u7684\u914d\u7f6e\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<p>PermitRootLogin no<\/p>\n<p>\u4e8c\u3001\u4f7f\u7528SSH\u5bc6\u94a5\u8ba4\u8bc1<br \/>SSH\u5bc6\u94a5\u8ba4\u8bc1\u4f7f\u7528\u4e86\u975e\u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5\uff0c\u6bd4\u4f20\u7edf\u7684\u57fa\u4e8e\u5bc6\u7801\u7684\u8ba4\u8bc1\u66f4\u5b89\u5168\u3002\u5728\u4f7f\u7528SSH\u5bc6\u94a5\u8ba4\u8bc1\u65f6\uff0c\u7528\u6237\u9700\u8981\u751f\u6210\u4e00\u5bf9\u5bc6\u94a5\uff0c\u516c\u94a5\u5b58\u50a8\u5728\u670d\u52a1\u5668\u4e0a\uff0c\u79c1\u94a5\u4fdd\u5b58\u5728\u5ba2\u6237\u7aef\u3002\u7528\u6237\u5728\u767b\u5f55\u65f6\uff0c\u670d\u52a1\u5668\u901a\u8fc7\u9a8c\u8bc1\u516c\u94a5\u7684\u6b63\u786e\u6027\u6765\u786e\u8ba4\u7528\u6237\u8eab\u4efd\u3002<\/p>\n<p>\u751f\u6210SSH\u5bc6\u94a5\u7684\u65b9\u6cd5\uff1a<\/p>\n<ol>\n<li>\u5728\u5ba2\u6237\u7aef\u4e0a\u4f7f\u7528ssh-keygen\u547d\u4ee4\u751f\u6210\u5bc6\u94a5\u5bf9\u3002<\/li>\n<li>\u5c06\u4ea7\u751f\u7684\u516c\u94a5\u590d\u5236\u5230\u670d\u52a1\u5668\u7684~\/.ssh\/authorized_keys\u6587\u4ef6\u4e2d\u3002<\/li>\n<li>\u786e\u4fdd\u79c1\u94a5\u6587\u4ef6\u7684\u6743\u9650\u8bbe\u7f6e\u4e3a600\uff08\u5373\u53ea\u6709\u6240\u6709\u8005\u53ef\u4ee5\u8bfb\u5199\uff09\u3002<\/li>\n<\/ol>\n<p>\u5728\u5b8c\u6210\u4ee5\u4e0a\u6b65\u9aa4\u540e\uff0c\u53ef\u4ee5\u7981\u7528\u5bc6\u7801\u767b\u5f55\uff0c\u53ea\u5141\u8bb8\u5bc6\u94a5\u767b\u5f55\u3002\u5728SSH\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u5c06&#8221;PasswordAuthentication&#8221;\u9009\u9879\u4fee\u6539\u4e3a&#8221;no&#8221;\uff0c\u7136\u540e\u91cd\u542fSSH\u670d\u52a1\u3002<\/p>\n<p>PasswordAuthentication no<\/p>\n<p>\u4e09\u3001\u66f4\u6539SSH\u7aef\u53e3<br \/>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cSSH\u670d\u52a1\u5668\u76d1\u542c\u7aef\u53e322\u3002\u7531\u4e8e\u8fd9\u4e2a\u7aef\u53e3\u662f\u516c\u5f00\u7684\uff0c\u5f88\u5bb9\u6613\u53d7\u5230\u66b4\u529b\u7834\u89e3\u6216\u7aef\u53e3\u626b\u63cf\u7684\u653b\u51fb\u3002\u4e3a\u4e86\u63d0\u9ad8\u5b89\u5168\u6027\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u6539SSH\u670d\u52a1\u5668\u7684\u76d1\u542c\u7aef\u53e3\u3002<\/p>\n<p>\u5728SSH\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u627e\u5230&#8221;Port&#8221;\u9009\u9879\uff0c\u5e76\u5c06\u5176\u8bbe\u7f6e\u4e3a\u4e00\u4e2a\u975e\u5e38\u89c4\u7684\u7aef\u53e3\u53f7\uff0c\u4f8b\u59822222\u3002\u8bb0\u5f97\u91cd\u65b0\u542f\u52a8SSH\u670d\u52a1\u3002<\/p>\n<p>Port 2222<\/p>\n<p>\u56db\u3001\u4f7f\u7528\u9632\u706b\u5899\u9650\u5236SSH\u8bbf\u95ee<br \/>\u914d\u7f6e\u9632\u706b\u5899\u662f\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u91cd\u8981\u6b65\u9aa4\u4e4b\u4e00\u3002\u901a\u8fc7\u4f7f\u7528\u9632\u706b\u5899\uff0c\u6211\u4eec\u53ef\u4ee5\u9650\u5236SSH\u8bbf\u95ee\u4ec5\u6765\u81ea\u7279\u5b9a\u7684IP\u5730\u5740\u6216IP\u5730\u5740\u8303\u56f4\u3002<\/p>\n<p>\u4f7f\u7528iptables\u9632\u706b\u5899\uff0c\u53ef\u4ee5\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u9650\u5236SSH\u8bbf\u95ee\uff1a<\/p>\n<p>sudo iptables -A INPUT -p tcp &#8211;dport 2222 -s \u5141\u8bb8\u8bbf\u95ee\u7684IP\u5730\u5740 -j ACCEPT<br \/>sudo iptables -A INPUT -p tcp &#8211;dport 2222 -j DROP<\/p>\n<p>\u4ee5\u4e0a\u547d\u4ee4\u5141\u8bb8\u6307\u5b9aIP\u5730\u5740\u8bbf\u95eeSSH\uff0c\u5e76\u4e14\u963b\u6b62\u5176\u4ed6\u6240\u6709IP\u5730\u5740\u7684\u8bbf\u95ee\u3002\u8bb0\u5f97\u4fdd\u5b58\u5e76\u5e94\u7528\u9632\u706b\u5899\u89c4\u5219\u3002<\/p>\n<p>\u4e94\u3001\u4f7f\u7528Fail2Ban\u81ea\u52a8\u963b\u6b62\u6076\u610fIP<br \/>Fail2Ban\u662f\u4e00\u4e2a\u53ef\u4ee5\u81ea\u52a8\u76d1\u63a7\u65e5\u5fd7\u6587\u4ef6\u5e76\u5bf9\u6076\u610f\u884c\u4e3a\u8fdb\u884c\u5c01\u9501\u7684\u5de5\u5177\u3002\u901a\u8fc7\u76d1\u63a7SSH\u767b\u5f55\u5931\u8d25\u7684\u60c5\u51b5\uff0cFail2Ban\u53ef\u4ee5\u81ea\u52a8\u963b\u6b62\u653b\u51fb\u8005\u7684IP\u5730\u5740\u3002<\/p>\n<p>\u5728\u5b89\u88c5Fail2Ban\u540e\uff0c\u6253\u5f00\u5176\u914d\u7f6e\u6587\u4ef6\uff08\u4e00\u822c\u4e3a\/etc\/fail2ban\/jail.conf\uff09\u5e76\u8fdb\u884c\u4ee5\u4e0b\u914d\u7f6e\uff1a<\/p>\n<p>[sshd]<br \/>enabled = true<br \/>port = 2222<br \/>filter = sshd<br \/>maxretry = 3<br \/>findtime = 600<br \/>bantime = 3600<\/p>\n<p>\u4ee5\u4e0a\u914d\u7f6e\u610f\u5473\u7740\uff0c\u5982\u679c\u4e00\u4e2aIP\u5730\u5740\u572810\u5206\u949f\u5185\u5c1d\u8bd5SSH\u767b\u5f55\u8d85\u8fc73\u6b21\uff0c\u5b83\u5c06\u88ab\u81ea\u52a8\u963b\u6b621\u5c0f\u65f6\u3002\u914d\u7f6e\u5b8c\u6210\u540e\uff0c\u91cd\u65b0\u542f\u52a8Fail2Ban\u670d\u52a1\u3002<\/p>\n<p>\u603b\u7ed3\uff1a<br \/>\u901a\u8fc7\u7981\u7528SSH ROOT\u767b\u5f55\u3001\u4f7f\u7528SSH\u5bc6\u94a5\u8ba4\u8bc1\u3001\u66f4\u6539SSH\u7aef\u53e3\u3001\u4f7f\u7528\u9632\u706b\u5899\u9650\u5236SSH\u8bbf\u95ee\u548c\u4f7f\u7528Fail2Ban\u7b49\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u6709\u6548\u5730\u52a0\u56fa\u548c\u4fdd\u62a4Linux SysOps\u73af\u5883\u514d\u53d7SSH\u653b\u51fb\u3002\u4ee5\u4e0a\u662f\u4e00\u4e9b\u5b9e\u7528\u7684\u65b9\u6cd5\uff0cSysOps\u4eba\u5458\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u6765\u9009\u62e9\u5408\u9002\u7684\u5b89\u5168\u63aa\u65bd\u5e76\u5b9e\u65bd\u5b83\u4eec\u3002\u540c\u65f6\uff0c\u5b9a\u671f\u66f4\u65b0\u548c\u76d1\u63a7\u670d\u52a1\u5668\u4e0a\u7684\u8f6f\u4ef6\u548c\u8865\u4e01\u4e5f\u662f\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u653b\u51fb\u7684\u5173\u952e\u3002\u53ea\u6709\u4fdd\u6301\u8b66\u60d5\u5e76\u91c7\u53d6\u9002\u5f53\u7684\u5b89\u5168\u63aa\u65bd\uff0c\u6211\u4eec\u624d\u80fd\u786e\u4fdd\u6211\u4eec\u7684Linux\u73af\u5883\u7684\u5b89\u5168\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fSSH\u5b89\u5168\u52a0\u56fa\uff1a\u4fdd\u62a4Linux SysOps\u73af\u5883\u514d\u53d7\u653b\u51fb\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SSH\u5b89\u5168\u52a0\u56fa\uff1a\u4fdd\u62a4Linux SysOps\u73af\u5883\u514d\u53d7\u653b\u51fb \u5f15\u8a00\uff1aSecure Shell\uff08SSH\uff09\u662f\u4e00\u79cd\u5e7f\u6cdb\u5e94\u7528\u4e8e\u8fdc\u7a0b\u7ba1\u7406\u3001\u6587\u4ef6\u4f20\u8f93\u548c\u5b89\u5168\u4f20\u8f93\u7684\u534f\u8bae\u3002\u7136\u800c\uff0c\u7531\u4e8eSSH\u5e38\u5e38\u4f5c\u4e3a\u9ed1\u5ba2\u5165\u4fb5\u7684\u76ee\u6807\uff0c\u5b89\u5168\u52a0\u56faSSH\u670d\u52a1\u5668\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5b9e\u7528\u7684\u65b9\u6cd5\uff0c\u5e2e\u52a9SysOps\uff08\u7cfb\u7edf\u8fd0\u7ef4\uff09\u4eba\u5458\u52a0\u56fa\u548c\u4fdd\u62a4\u4ed6\u4eec\u7684Linux\u73af\u5883\u514d\u53d7SSH\u653b\u51fb\u3002 \u4e00\u3001\u7981\u7528SSH ROOT\u767b\u5f55SSH ROOT\u767b\u5f55\u662f\u6700\u53d7\u9ed1\u5ba2\u653b\u51fb\u7684\u76ee\u6807\u4e4b\u4e00\u3002\u9ed1\u5ba2\u80fd\u591f\u4f7f\u7528\u66b4\u529b\u7834\u89e3\u6216\u9488\u5bf9\u5df2\u77e5\u7684SSH\u6f0f\u6d1e\u8fdb\u884c\u653b\u51fb\u6765\u901a\u8fc7SSH ROOT\u767b\u5f55\u83b7\u53d6\u7ba1\u7406\u5458\u6743\u9650\u3002\u4e3a\u4e86\u9632\u6b62\u8fd9\u79cd\u60c5\u51b5\u53d1\u751f\uff0c\u7981\u7528SSH ROOT\u767b\u5f55\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u6b65\u3002 \u5728SSH\u914d\u7f6e\u6587\u4ef6\uff08\u4e00\u822c\u4e3a\/etc\/ssh\/sshd_config\uff09\u4e2d\uff0c\u627e\u5230&#8221;PermitRootLogin&#8221;\u9009\u9879\uff0c\u5e76\u5c06\u5176\u503c\u4fee\u6539\u4e3a&#8221;no&#8221;\uff0c\u7136\u540e\u91cd\u542fSSH\u670d\u52a1\u3002\u4fee\u6539\u540e\u7684\u914d\u7f6e\u5982\u4e0b\u6240\u793a\uff1a PermitRootLogin no \u4e8c\u3001\u4f7f\u7528SSH\u5bc6\u94a5\u8ba4\u8bc1SSH\u5bc6\u94a5\u8ba4\u8bc1\u4f7f\u7528\u4e86\u975e\u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5\uff0c\u6bd4\u4f20\u7edf\u7684\u57fa\u4e8e\u5bc6\u7801\u7684\u8ba4\u8bc1\u66f4\u5b89\u5168\u3002\u5728\u4f7f\u7528SSH\u5bc6\u94a5\u8ba4\u8bc1\u65f6\uff0c\u7528\u6237\u9700\u8981\u751f\u6210\u4e00\u5bf9\u5bc6\u94a5\uff0c\u516c\u94a5\u5b58\u50a8\u5728\u670d\u52a1\u5668\u4e0a\uff0c\u79c1\u94a5\u4fdd\u5b58\u5728\u5ba2\u6237\u7aef\u3002\u7528\u6237\u5728\u767b\u5f55\u65f6\uff0c\u670d\u52a1\u5668\u901a\u8fc7\u9a8c\u8bc1\u516c\u94a5\u7684\u6b63\u786e\u6027\u6765\u786e\u8ba4\u7528\u6237\u8eab\u4efd\u3002 \u751f\u6210SSH\u5bc6\u94a5\u7684\u65b9\u6cd5\uff1a \u5728\u5ba2\u6237\u7aef\u4e0a\u4f7f\u7528ssh-keygen\u547d\u4ee4\u751f\u6210\u5bc6\u94a5\u5bf9\u3002 \u5c06\u4ea7\u751f\u7684\u516c\u94a5\u590d\u5236\u5230\u670d\u52a1\u5668\u7684~\/.ssh\/authorized_keys\u6587\u4ef6\u4e2d\u3002 \u786e\u4fdd\u79c1\u94a5\u6587\u4ef6\u7684\u6743\u9650\u8bbe\u7f6e\u4e3a600\uff08\u5373\u53ea\u6709\u6240\u6709\u8005\u53ef\u4ee5\u8bfb\u5199\uff09\u3002 \u5728\u5b8c\u6210\u4ee5\u4e0a\u6b65\u9aa4\u540e\uff0c\u53ef\u4ee5\u7981\u7528\u5bc6\u7801\u767b\u5f55\uff0c\u53ea\u5141\u8bb8\u5bc6\u94a5\u767b\u5f55\u3002\u5728SSH\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u5c06&#8221;PasswordAuthentication&#8221;\u9009\u9879\u4fee\u6539\u4e3a&#8221;no&#8221;\uff0c\u7136\u540e\u91cd\u542fSSH\u670d\u52a1\u3002 PasswordAuthentication no \u4e09\u3001\u66f4\u6539SSH\u7aef\u53e3\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cSSH\u670d\u52a1\u5668\u76d1\u542c\u7aef\u53e322\u3002\u7531\u4e8e\u8fd9\u4e2a\u7aef\u53e3\u662f\u516c\u5f00\u7684\uff0c\u5f88\u5bb9\u6613\u53d7\u5230\u66b4\u529b\u7834\u89e3\u6216\u7aef\u53e3\u626b\u63cf\u7684\u653b\u51fb\u3002\u4e3a\u4e86\u63d0\u9ad8\u5b89\u5168\u6027\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u6539SSH\u670d\u52a1\u5668\u7684\u76d1\u542c\u7aef\u53e3\u3002 \u5728SSH\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u627e\u5230&#8221;Port&#8221;\u9009\u9879\uff0c\u5e76\u5c06\u5176\u8bbe\u7f6e\u4e3a\u4e00\u4e2a\u975e\u5e38\u89c4\u7684\u7aef\u53e3\u53f7\uff0c\u4f8b\u59822222\u3002\u8bb0\u5f97\u91cd\u65b0\u542f\u52a8SSH\u670d\u52a1\u3002 Port 2222 \u56db\u3001\u4f7f\u7528\u9632\u706b\u5899\u9650\u5236SSH\u8bbf\u95ee\u914d\u7f6e\u9632\u706b\u5899\u662f\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u91cd\u8981\u6b65\u9aa4\u4e4b\u4e00\u3002\u901a\u8fc7\u4f7f\u7528\u9632\u706b\u5899\uff0c\u6211\u4eec\u53ef\u4ee5\u9650\u5236SSH\u8bbf\u95ee\u4ec5\u6765\u81ea\u7279\u5b9a\u7684IP\u5730\u5740\u6216IP\u5730\u5740\u8303\u56f4\u3002 \u4f7f\u7528iptables\u9632\u706b\u5899\uff0c\u53ef\u4ee5\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u9650\u5236SSH\u8bbf\u95ee\uff1a sudo iptables -A INPUT -p tcp &#8211;dport 2222 -s \u5141\u8bb8\u8bbf\u95ee\u7684IP\u5730\u5740 -j ACCEPTsudo iptables -A INPUT -p tcp &#8211;dport 2222 -j DROP \u4ee5\u4e0a\u547d\u4ee4\u5141\u8bb8\u6307\u5b9aIP\u5730\u5740\u8bbf\u95eeSSH\uff0c\u5e76\u4e14\u963b\u6b62\u5176\u4ed6\u6240\u6709IP\u5730\u5740\u7684\u8bbf\u95ee\u3002\u8bb0\u5f97\u4fdd\u5b58\u5e76\u5e94\u7528\u9632\u706b\u5899\u89c4\u5219\u3002 \u4e94\u3001\u4f7f\u7528Fail2Ban\u81ea\u52a8\u963b\u6b62\u6076\u610fIPFail2Ban\u662f\u4e00\u4e2a\u53ef\u4ee5\u81ea\u52a8\u76d1\u63a7\u65e5\u5fd7\u6587\u4ef6\u5e76\u5bf9\u6076\u610f\u884c\u4e3a\u8fdb\u884c\u5c01\u9501\u7684\u5de5\u5177\u3002\u901a\u8fc7\u76d1\u63a7SSH\u767b\u5f55\u5931\u8d25\u7684\u60c5\u51b5\uff0cFail2Ban\u53ef\u4ee5\u81ea\u52a8\u963b\u6b62\u653b\u51fb\u8005\u7684IP\u5730\u5740\u3002 \u5728\u5b89\u88c5Fail2Ban\u540e\uff0c\u6253\u5f00\u5176\u914d\u7f6e\u6587\u4ef6\uff08\u4e00\u822c\u4e3a\/etc\/fail2ban\/jail.conf\uff09\u5e76\u8fdb\u884c\u4ee5\u4e0b\u914d\u7f6e\uff1a [sshd]enabled = trueport = 2222filter [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-17101","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/17101","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=17101"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/17101\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=17101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=17101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=17101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}