{"id":209084,"date":"2025-09-30T04:16:51","date_gmt":"2025-09-29T20:16:51","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209084\/"},"modified":"2025-09-30T04:16:58","modified_gmt":"2025-09-29T20:16:58","slug":"vps-181","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209084\/","title":{"rendered":"\u9999\u6e2fVPS\u9632\u706b\u5899\u5b9e\u6218\uff1a\u5168\u9762\u963b\u6b62\u5165\u4fb5\u653b\u51fb"},"content":{"rendered":"<p>\u5728\u9762\u5bf9\u65e5\u76ca\u590d\u6742\u7684\u7f51\u7edc\u5a01\u80c1\u65f6\uff0c\u90e8\u7f72\u5728\u9999\u6e2f\u7684\u6570\u636e\u4e2d\u5fc3\u7684VPS\u9700\u8981\u6bd4\u4ee5\u5f80\u66f4\u4e25\u5bc6\u7684\u9632\u62a4\u7b56\u7565\u3002\u672c\u6587\u56f4\u7ed5\u5728\u9999\u6e2fVPS\u4e0a\u6784\u5efa\u548c\u5b9e\u6218\u5e94\u7528\u9632\u706b\u5899\u7684\u6280\u672f\u7ec6\u8282\u5c55\u5f00\uff0c\u76ee\u6807\u8bfb\u8005\u4e3a\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\u3002\u6587\u4e2d\u5c06\u8ba8\u8bba\u9632\u706b\u5899\u539f\u7406\u3001\u5b9e\u6218\u914d\u7f6e\u3001\u4e0d\u540c\u573a\u666f\u7684\u5e94\u7528\u4ee5\u53ca\u4e0e\u5176\u4ed6\u5730\u533a\u4ea7\u54c1\uff08\u5982\u7f8e\u56fdVPS\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u9999\u6e2f\u670d\u52a1\u5668\uff09\u7684\u9009\u8d2d\u5efa\u8bae\uff0c\u5e2e\u52a9\u4f60\u5168\u9762\u963b\u6b62\u5165\u4fb5\u4e0e\u6ee5\u7528\u884c\u4e3a\u3002<\/p>\n<h2>\u9632\u706b\u5899\u57fa\u672c\u539f\u7406\u4e0e\u7ec4\u4ef6\u89e3\u6790<\/h2>\n<p>\u7406\u89e3\u9632\u706b\u5899\u7684\u6838\u5fc3\u6982\u5ff5\u662f\u6784\u5efa\u6709\u6548\u9632\u62a4\u7684\u7b2c\u4e00\u6b65\u3002\u9632\u706b\u5899\u5728\u4e3b\u673a\u6216\u7f51\u7edc\u8fb9\u754c\u4e0a\u6839\u636e\u89c4\u5219\u96c6\u5bf9\u6d41\u91cf\u8fdb\u884c\u5141\u8bb8\u6216\u62d2\u7edd\uff0c\u5176\u5b9e\u73b0\u65b9\u5f0f\u53ef\u5206\u4e3a\u5305\u8fc7\u6ee4\u3001\u72b6\u6001\u68c0\u6d4b\u3001\u4ee3\u7406\u548c\u5e94\u7528\u5c42\u8fc7\u6ee4\u7b49\u5c42\u6b21\u3002<\/p>\n<h3>\u5185\u6838\u5c42\u5305\u8fc7\u6ee4\u4e0e\u72b6\u6001\u68c0\u6d4b\uff08iptables\/nftables\uff09<\/h3>\n<p><strong>iptables<\/strong>\u548c<strong>nftables<\/strong>\u662fLinux\u73af\u5883\u4e2d\u6700\u5e38\u89c1\u7684\u5305\u8fc7\u6ee4\u5de5\u5177\u3002\u5b83\u4eec\u901a\u8fc7L3\/L4\u4fe1\u606f\uff08\u5982\u6e90IP\u3001\u76ee\u7684IP\u3001\u7aef\u53e3\u3001\u534f\u8bae\uff09\u4ee5\u53ca\u8fde\u63a5\u72b6\u6001\uff08NEW, 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CSF\uff09<\/h3>\n<p>\u5bf9\u4e8eSSH\u3001FTP\u3001HTTP\u66b4\u529b\u5c1d\u8bd5\uff0c<strong>fail2ban<\/strong>\u901a\u8fc7\u89e3\u6790\u65e5\u5fd7\uff08\/var\/log\/auth.log\u3001nginx\u65e5\u5fd7\u7b49\uff09\u81ea\u52a8\u751f\u6210\u4e34\u65f6\u9632\u706b\u5899\u89c4\u5219\u5c01\u7981\u53ef\u7591IP\u3002CSF\uff08ConfigServer Security &amp; Firewall\uff09\u5219\u5728iptables\/nftables\u4e4b\u4e0a\u63d0\u4f9b\u4e00\u5957\u7ba1\u7406\u754c\u9762\uff0c\u652f\u6301\u7aef\u53e3\u7ba1\u7406\u3001\u8fde\u63a5\u8ddf\u8e2a\u9650\u5236\u4e0e\u767b\u5f55\u901a\u77e5\u3002<\/p>\n<ul>\n<li>\u63a8\u8350\u7ed3\u5408fail2ban\u4e0e\u7cfb\u7edf\u9632\u706b\u5899\u4f7f\u7528\uff1afail2ban\u8d1f\u8d23\u5feb\u901f\u54cd\u5e94\uff0c\u9632\u706b\u5899\u8d1f\u8d23\u957f\u671f\u7b56\u7565\u3002<\/li>\n<li>\u4e3a\u51cf\u5c11\u8bef\u5c01\uff0c\u53ef\u4f7f\u7528\u767d\u540d\u5355\u673a\u5236\u5c06\u5185\u7f51\u6216\u8fd0\u7ef4IP\u5217\u5165\u4fe1\u4efb\u5217\u8868\u3002<\/li>\n<\/ul>\n<h3>\u5e94\u7528\u5c42\u9632\u62a4\uff08ModSecurity\u3001WAF\uff09<\/h3>\n<p>HTTP(S)\u6d41\u91cf\u7684\u5a01\u80c1\u5f80\u5f80\u53d1\u751f\u5728\u5e94\u7528\u5c42\uff08L7\uff09\uff0c\u4f8b\u5982SQL\u6ce8\u5165\u3001\u8de8\u7ad9\u811a\u672c\u3001\u6587\u4ef6\u4e0a\u4f20\u6f0f\u6d1e\u3002<strong>ModSecurity<\/strong>\u914d\u5408\u89c4\u5219\u96c6\uff08\u5982OWASP CRS\uff09\u53ef\u4ee5\u5728Web\u670d\u52a1\u5668\u5c42\u9762\u62e6\u622a\u5e38\u89c1\u653b\u51fb\u3002\u5bf9\u4e8e\u6d41\u91cf\u8f83\u5927\u6216\u9762\u5411\u516c\u7f51\u7684\u7ad9\u70b9\uff0c\u5efa\u8bae\u90e8\u7f72\u4e13\u4e1aWAF\u6216\u4e91\u7aefWAF\u7b56\u7565\u6765\u7f13\u89e3\u590d\u6742\u653b\u51fb\u3002<\/p>\n<h2>\u5b9e\u6218\u573a\u666f\u4e0e\u914d\u7f6e\u8981\u70b9<\/h2>\n<p>\u4e0b\u9762\u5217\u51fa\u5728\u9999\u6e2fVPS\u4e0a\u5e38\u89c1\u7684\u5a01\u80c1\u573a\u666f\u4e0e\u5bf9\u5e94\u7684\u5b9e\u6218\u914d\u7f6e\u7ec6\u8282\uff0c\u4fbf\u4e8e\u5feb\u901f\u4e0a\u624b\u3002<\/p>\n<h3>\u573a\u666f\u4e00\uff1aSSH\u66b4\u529b\u7834\u89e3<\/h3>\n<ul>\n<li>\u5173\u95ed\u5bc6\u7801\u8ba4\u8bc1\uff0c\u4f7f\u7528\u516c\u94a5\u8ba4\u8bc1\uff08\/etc\/ssh\/sshd_config: PasswordAuthentication no\uff09\u3002<\/li>\n<li>\u53d8\u66f4\u9ed8\u8ba4\u7aef\u53e3\u5e76\u914d\u5408iptables\u901f\u7387\u9650\u5236\uff1a\u4f8b\u5982\u9650\u5236\u6bcf\u5206\u949f\u6765\u81ea\u540c\u4e00IP\u7684\u65b0\u8fde\u63a5\u6570\u3002<\/li>\n<li>\u542f\u7528fail2ban\uff0c\u8bbe\u7f6e\u8f83\u77ed\u7684\u68c0\u6d4b\u7a97\u53e3\u4e0e\u9010\u6b65\u589e\u957f\u7684\u5c01\u7981\u65f6\u95f4\uff0c\u914d\u5408\u90ae\u4ef6\u544a\u8b66\u3002<\/li>\n<\/ul>\n<h3>\u573a\u666f\u4e8c\uff1aHTTP\u5c42\u7684\u81ea\u52a8\u626b\u63cf\u4e0e\u653b\u51fb<\/h3>\n<ul>\n<li>\u90e8\u7f72ModSecurity\u5e76\u542f\u7528OWASP CRS\u4ee5\u963b\u6321\u5df2\u77e5\u653b\u51fb\u7b7e\u540d\u3002<\/li>\n<li>\u4f7f\u7528nginx\u4f5c\u4e3a\u53cd\u5411\u4ee3\u7406\u8fdb\u884c\u8bf7\u6c42\u901f\u7387\u9650\u5236\uff08limit_req_zone, 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