{"id":29960,"date":"2026-04-15T16:00:00","date_gmt":"2026-04-15T08:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=29960"},"modified":"2026-04-28T11:07:08","modified_gmt":"2026-04-28T03:07:08","slug":"cc-attack-emergency-waf-rate-limit-origin-protection","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/cc-attack-emergency-waf-rate-limit-origin-protection\/","title":{"rendered":"CC \u653b\u51fb\u9632\u62a4\u5b8c\u6574\u6307\u5357\uff1aWAF \u89c4\u5219\u3001\u9650\u901f\u4e0e\u6e90\u7ad9\u5e94\u6025\u914d\u7f6e"},"content":{"rendered":"<p><img decoding=\"async\" alt=\"CC \u653b\u51fb\u5e94\u6025\u9632\u62a4\u5c01\u9762\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/04\/cc-attack-emergency-cover.webp\" \/><\/p>\n<p><em>\u56fe\u89e3\uff1a\u6d77\u5916\u4e91\u670d\u52a1\u5668\u906d\u9047 CC \u653b\u51fb\u65f6\u7684\u5e94\u6025\u54cd\u5e94\u6d41\u7a0b\u4e0e\u9632\u62a4\u67b6\u6784<\/em><\/p>\n<hr \/>\n<h2>\u4e3a\u4ec0\u4e48\u4f60\u7684\u670d\u52a1\u5668\u7a81\u7136\u65e0\u6cd5\u8bbf\u95ee\uff1f\u53ef\u80fd\u662f CC \u653b\u51fb<\/h2>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u8fd0\u8425\u5916\u8d38\u7f51\u7ad9\u6216\u8de8\u5883\u4e1a\u52a1\uff0c\u7a81\u7136\u906d\u9047\u7f51\u7ad9\u8bbf\u95ee\u7f13\u6162\u751a\u81f3\u5b8c\u5168\u65e0\u6cd5\u6253\u5f00\uff0c\u5f88\u53ef\u80fd\u662f\u906d\u9047\u4e86 <strong>CC \u653b\u51fb<\/strong>\uff08Challenge Collapsar\uff0c\u6311\u6218\u9ed1\u6d1e\u653b\u51fb\uff09\u3002\u8fd9\u7c7b\u653b\u51fb\u901a\u8fc7\u5927\u91cf\u770b\u4f3c\u6b63\u5e38\u7684 HTTP \u8bf7\u6c42\u8017\u5c3d\u670d\u52a1\u5668\u8d44\u6e90\uff0c\u5bfc\u81f4\u5408\u6cd5\u7528\u6237\u65e0\u6cd5\u8bbf\u95ee\u3002<\/p>\n<p>\u672c\u6587<strong>\u6559\u4f60\u5982\u4f55<\/strong>\u5728\u906d\u9047 CC \u653b\u51fb\u65f6\u5feb\u901f\u5e94\u6025\u54cd\u5e94\uff0c\u901a\u8fc7\u914d\u7f6e WAF\uff08Web \u5e94\u7528\u9632\u706b\u5899\uff09\u89c4\u5219\u3001\u8bbe\u7f6e\u8bf7\u6c42\u9650\u901f\u3001\u4f18\u5316\u6e90\u7ad9\u9632\u62a4\u7b56\u7565\uff0c\u5728\u6700\u77ed\u65f6\u95f4\u5185\u6062\u590d\u670d\u52a1\u5e76\u5efa\u7acb\u957f\u671f\u9632\u62a4\u673a\u5236\u3002<\/p>\n<p><img decoding=\"async\" alt=\"CC \u653b\u51fb\u68c0\u6d4b\u76d1\u63a7\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/04\/cc-attack-detection.webp\" \/><\/p>\n<p><em>\u56fe\u89e3\uff1a\u901a\u8fc7\u76d1\u63a7\u4eea\u8868\u76d8\u5feb\u901f\u8bc6\u522b CC \u653b\u51fb\u7279\u5f81<\/em><\/p>\n<hr \/>\n<h2>\u4ec0\u4e48\u662f CC \u653b\u51fb\uff1f\u5982\u4f55\u8bc6\u522b\u653b\u51fb\u7279\u5f81<\/h2>\n<p>CC \u653b\u51fb\u662f\u4e00\u79cd\u5e94\u7528\u5c42 DDoS \u653b\u51fb\uff0c\u653b\u51fb\u8005\u63a7\u5236\u5927\u91cf&#8221;\u8089\u9e21&#8221;\uff08\u88ab\u611f\u67d3\u7684\u8ba1\u7b97\u673a\uff09\u5411\u76ee\u6807\u670d\u52a1\u5668\u53d1\u9001\u5927\u91cf\u770b\u4f3c\u5408\u6cd5\u7684 HTTP \u8bf7\u6c42\u3002\u4e0e\u6d41\u91cf\u578b DDoS \u653b\u51fb\u4e0d\u540c\uff0cCC \u653b\u51fb\u4e0d\u6d88\u8017\u5e26\u5bbd\uff08\u7f51\u7edc\u4f20\u8f93\u5bb9\u91cf\uff09\uff0c\u800c\u662f\u8017\u5c3d\u670d\u52a1\u5668 CPU\u3001\u5185\u5b58\u6216\u6570\u636e\u5e93\u8fde\u63a5\u8d44\u6e90\u3002<\/p>\n<h3>\u5178\u578b\u653b\u51fb\u7279\u5f81<\/h3>\n<p>\u8bc6\u522b CC \u653b\u51fb\u7684\u5173\u952e\u5728\u4e8e\u89c2\u5bdf\u4ee5\u4e0b\u5f02\u5e38\u73b0\u8c61\uff1a<\/p>\n<ul>\n<li><strong>CPU \u4f7f\u7528\u7387\u5f02\u5e38\u98d9\u5347<\/strong>\uff1a\u670d\u52a1\u5668 CPU \u957f\u671f\u7ef4\u6301\u5728 90% \u4ee5\u4e0a\uff0c\u4f46\u6d41\u91cf\u5e76\u672a\u663e\u8457\u589e\u52a0<\/li>\n<li><strong>\u7279\u5b9a URL \u8bf7\u6c42\u6fc0\u589e<\/strong>\uff1a\u67d0\u4e2a\u9875\u9762\u6216 API \u63a5\u53e3\u5728\u77ed\u65f6\u95f4\u5185\u6536\u5230\u5927\u91cf\u8bf7\u6c42<\/li>\n<li><strong>\u5f02\u5e38 User-Agent<\/strong>\uff1a\u5927\u91cf\u8bf7\u6c42\u6765\u81ea\u76f8\u540c\u6216\u76f8\u4f3c\u7684 User-Agent \u5b57\u7b26\u4e32<\/li>\n<li><strong>IP \u6765\u6e90\u96c6\u4e2d<\/strong>\uff1a\u8bf7\u6c42\u6765\u81ea\u7279\u5b9a\u5730\u533a\u6216 IP \u6bb5\u7684\u9891\u7387\u5f02\u5e38\u9ad8<\/li>\n<\/ul>\n<p>\u4f60\u53ef\u4ee5\u4f7f\u7528 netstat\u3001top \u7b49\u547d\u4ee4\u5feb\u901f\u67e5\u770b\u5f53\u524d\u8fde\u63a5\u6570\u548c CPU \u4f7f\u7528\u7387\uff0c\u5224\u65ad\u662f\u5426\u906d\u9047\u653b\u51fb\u3002<\/p>\n<h3>CC \u653b\u51fb\u4e0e DDoS \u653b\u51fb\u7684\u533a\u522b<\/h3>\n<p><img decoding=\"async\" alt=\"WAF \u9632\u706b\u5899\u5de5\u4f5c\u539f\u7406\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/04\/waf-firewall-protection.webp\" \/><\/p>\n<p><em>\u56fe\u89e3\uff1aWAF \u9632\u706b\u5899\u62e6\u622a\u6076\u610f\u8bf7\u6c42\uff0c\u653e\u884c\u6b63\u5e38\u6d41\u91cf<\/em><\/p>\n<p>\u7406\u89e3\u4e24\u8005\u5dee\u5f02\u6709\u52a9\u4e8e\u9009\u62e9\u6b63\u786e\u7684\u9632\u62a4\u7b56\u7565\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5bf9\u6bd4\u7ef4\u5ea6<\/th>\n<th>CC \u653b\u51fb<\/th>\n<th>\u6d41\u91cf\u578b DDoS \u653b\u51fb<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u653b\u51fb\u5c42\u7ea7<\/td>\n<td>\u5e94\u7528\u5c42\uff08Layer 7\uff09<\/td>\n<td>\u7f51\u7edc\u5c42\/\u4f20\u8f93\u5c42\uff08Layer 3\/4\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u8d44\u6e90\u6d88\u8017<\/td>\n<td>CPU\u3001\u5185\u5b58\u3001\u6570\u636e\u5e93\u8fde\u63a5<\/td>\n<td>\u5e26\u5bbd\uff08\u7f51\u7edc\u4f20\u8f93\u5bb9\u91cf\uff09\u3001\u7f51\u7edc\u8bbe\u5907<\/td>\n<\/tr>\n<tr>\n<td>\u9632\u62a4\u96be\u5ea6<\/td>\n<td>\u8f83\u9ad8\uff0c\u9700\u667a\u80fd\u8bc6\u522b<\/td>\n<td>\u76f8\u5bf9\u8f83\u4f4e\uff0c\u6d41\u91cf\u6e05\u6d17\u5373\u53ef<\/td>\n<\/tr>\n<tr>\n<td>\u5178\u578b\u8868\u73b0<\/td>\n<td>\u7f51\u7ad9\u6162\u4f46\u80fd\u6253\u5f00<\/td>\n<td>\u7f51\u7edc\u5b8c\u5168\u4e0d\u901a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u5e94\u6025\u54cd\u5e94\u7b2c\u4e00\u6b65\uff1a\u5feb\u901f\u786e\u8ba4\u653b\u51fb\u7c7b\u578b<\/h2>\n<p>\u53d1\u73b0\u7f51\u7ad9\u5f02\u5e38\u540e\uff0c\u5148\u786e\u8ba4\u662f\u5426\u4e3a CC \u653b\u51fb\u4ee5\u53ca\u653b\u51fb\u89c4\u6a21\u3002<\/p>\n<h3>\u67e5\u770b Web \u670d\u52a1\u5668\u65e5\u5fd7<\/h3>\n<p>\u901a\u8fc7\u5206\u6790 Nginx \u6216 Apache \u8bbf\u95ee\u65e5\u5fd7\uff0c\u67e5\u770b\u9891\u7387\u6700\u9ad8\u7684 IP \u548c URL\uff0c\u53ef\u5feb\u901f\u8bc6\u522b\u653b\u51fb\u6765\u6e90\u3002\u4f7f\u7528 tail\u3001awk\u3001sort \u7b49\u547d\u4ee4\u7edf\u8ba1\u8bf7\u6c42\u9891\u7387\uff0c\u5b9a\u4f4d\u5f02\u5e38 IP \u6bb5\u3002<\/p>\n<h3>\u4f7f\u7528\u76d1\u63a7\u5de5\u5177\u5feb\u901f\u8bca\u65ad<\/h3>\n<p>\u5982\u679c\u4f60\u5df2\u5b89\u88c5\u76d1\u63a7\u5de5\u5177\uff0c\u53ef\u4ee5\u5feb\u901f\u67e5\u770b\u670d\u52a1\u5668\u8d1f\u8f7d\u3001\u8fdb\u7a0b\u72b6\u6001\u3001\u7f51\u7edc\u8fde\u63a5\u603b\u6570\u7b49\u6307\u6807\u3002\u5982\u679c\u786e\u8ba4\u662f CC \u653b\u51fb\uff0c\u7acb\u5373\u8fdb\u5165\u4e0b\u4e00\u6b65\u9632\u62a4\u914d\u7f6e\u3002<\/p>\n<h2>WAF \u89c4\u5219\u914d\u7f6e\uff1a\u7b2c\u4e00\u9053\u9632\u7ebf<\/h2>\n<p>WAF\uff08Web \u5e94\u7528\u9632\u706b\u5899\uff09\u662f\u9632\u62a4 CC \u653b\u51fb\u7684\u6838\u5fc3\u5de5\u5177\uff0c\u53ef\u4ee5\u901a\u8fc7\u89c4\u5219\u8bc6\u522b\u5e76\u62e6\u622a\u6076\u610f\u8bf7\u6c42\uff0c\u540c\u65f6\u5141\u8bb8\u6b63\u5e38\u6d41\u91cf\u901a\u8fc7\u3002\u5982\u9700\u540c\u65f6\u8bc4\u4f30\u670d\u52a1\u5668\u6574\u4f53\u6027\u80fd\uff0c\u53ef\u53c2\u8003 <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/ecommerce-server-cpu-spike-troubleshooting-guide\/\">\u7535\u5546\u7f51\u7ad9\u670d\u52a1\u5668 CPU \u6253\u6ee1\u6392\u67e5\uff1aNginx\u3001PHP-FPM \u4e0e MySQL \u8054\u8c03<\/a>\u3002<\/p>\n<h3>\u542f\u7528\u4e91\u670d\u52a1\u5546 WAF<\/h3>\n<p>\u5927\u591a\u6570\u6d77\u5916<strong>\u4e91\u670d\u52a1\u5668<\/strong>\uff08<a href=\"https:\/\/cn.hostease.com\/vps\/\">\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668<\/a>\uff09\u63d0\u4f9b\u5546\u90fd\u63d0\u4f9b WAF \u670d\u52a1\uff0c\u8fd9\u662f\u6700\u5feb\u901f\u7684\u9632\u62a4\u65b9\u5f0f\u3002\u914d\u7f6e\u8981\u70b9\uff1a\u542f\u7528 CC \u9632\u62a4\u6a21\u677f\u3001\u8bbe\u7f6e\u5355 IP \u6bcf\u79d2 10-20 \u6b21\u8bf7\u6c42\u9608\u503c\u3001\u542f\u7528\u9a8c\u8bc1\u7801\u6311\u6218\u533a\u5206\u4eba\u673a\u3001\u914d\u7f6e\u653b\u51fb IP \u9ed1\u540d\u5355\u3002<\/p>\n<h3>Nginx \u81ea\u5b9a\u4e49 WAF \u89c4\u5219<\/h3>\n<p>\u5982\u679c\u672a\u4f7f\u7528\u4e91 WAF\uff0c\u53ef\u4ee5\u5728 Nginx \u5c42\u9762\u914d\u7f6e\u57fa\u7840\u9632\u62a4\u89c4\u5219\uff0c\u9650\u5236\u5355 IP \u5e76\u53d1\u8fde\u63a5\u6570\u548c\u8bf7\u6c42\u9891\u7387\uff0c\u540c\u65f6\u8fc7\u6ee4\u7a7a User-Agent \u548c\u5e38\u89c1\u653b\u51fb\u5de5\u5177\u7279\u5f81\u3002<\/p>\n<h2>\u8bf7\u6c42\u9650\u901f\uff1a\u63a7\u5236\u6d41\u91cf\u6d2a\u5cf0<\/h2>\n<p><img decoding=\"async\" alt=\"\u8bf7\u6c42\u9650\u901f\u6982\u5ff5\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/04\/rate-limiting-concept.webp\" \/><\/p>\n<p><em>\u56fe\u89e3\uff1a\u901a\u8fc7\u9600\u95e8\u63a7\u5236\u8bf7\u6c42\u6d41\u91cf\u901f\u5ea6<\/em><\/p>\n<p>\u9650\u901f\u662f\u9632\u62a4 CC \u653b\u51fb\u7684\u6709\u6548\u624b\u6bb5\uff0c\u901a\u8fc7\u9650\u5236\u5355 IP \u6216\u5168\u5c40\u8bf7\u6c42\u9891\u7387\uff0c\u9632\u6b62\u670d\u52a1\u5668\u88ab\u77ac\u95f4\u6d41\u91cf\u51fb\u57ae\u3002<\/p>\n<h3>Nginx \u8bf7\u6c42\u9650\u901f\u914d\u7f6e<\/h3>\n<p>\u901a\u8fc7 Nginx \u7684 limit_req \u6a21\u5757\u53ef\u9650\u5236\u5355 IP \u8bf7\u6c42\u9891\u7387\uff0c\u4f8b\u5982\u6bcf\u79d2 5 \u4e2a\u8bf7\u6c42\uff0c\u5141\u8bb8\u7a81\u53d1 10 \u4e2a\u3002\u5bf9\u767b\u5f55\u3001\u641c\u7d22\u7b49\u654f\u611f\u9875\u9762\u53ef\u8bbe\u7f6e\u66f4\u4e25\u683c\u9650\u5236\uff0c\u9632\u6b62\u8d44\u6e90\u8017\u5c3d\u3002<\/p>\n<h3>\u4f7f\u7528 fail2ban \u81ea\u52a8\u5c01\u7981 IP<\/h3>\n<p>fail2ban \u53ef\u4ee5\u76d1\u63a7\u65e5\u5fd7\u5e76\u81ea\u52a8\u5c01\u7981\u5f02\u5e38 IP\u3002\u5b89\u88c5\u540e\u914d\u7f6e Nginx CC 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