{"id":34055,"date":"2026-10-30T10:00:00","date_gmt":"2026-10-30T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=34055"},"modified":"2026-10-24T06:35:18","modified_gmt":"2026-10-23T22:35:18","slug":"server-cc-2026-practical","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/server-cc-2026-practical\/","title":{"rendered":"\u670d\u52a1\u5668\u88abCC\u653b\u51fb\u6253\u762b\u600e\u4e48\u529e\uff1a\u8fde\u63a5\u6570\u5206\u6790\u3001\u9650\u6d41\u4e0e\u9632\u706b\u5899\u89c4\u5219\uff082026 \u5b9e\u6218\u7248\uff09"},"content":{"rendered":"<p>\u7f51\u7ad9\u534a\u591c\u7a81\u7136\u5361\u6b7b\uff0c\u91cd\u542f\u51e0\u5206\u949f\u540e\u53c8\u762b\u2014\u2014\u5982\u679c\u4f60\u9047\u5230\u8fc7\u8fd9\u79cd\u573a\u666f\uff0c\u5927\u6982\u7387\u4e0d\u662f\u914d\u7f6e\u4e0d\u591f\uff0c\u800c\u662f\u88ab CC \u653b\u51fb\uff08Challenge Collapsar\uff0c\u901a\u8fc7\u6d77\u91cf HTTP \u8bf7\u6c42\u8017\u5c3d\u670d\u52a1\u5668\u8d44\u6e90\u7684\u653b\u51fb\u65b9\u5f0f\uff09\u76ef\u4e0a\u4e86\u3002\u8fd9\u7bc7\u6307\u5357\u4f1a\u6559\u4f60\u4e09\u4ef6\u4e8b\uff1a\u5982\u4f55\u786e\u8ba4\u670d\u52a1\u5668\u88ab CC \u653b\u51fb\u3001\u600e\u6837\u7528\u8fde\u63a5\u6570\u5206\u6790\u548c\u65e5\u5fd7\u5b9a\u4f4d\u653b\u51fb\u6765\u6e90\u3001\u4ee5\u53ca\u5982\u4f55\u7528 Nginx \u9650\u6d41\u548c\u9632\u706b\u5899\u89c4\u5219\u5728\u534a\u5c0f\u65f6\u5185\u5b8c\u6210\u6b62\u8840\u3002\u548c\u5e38\u89c1\u7684\u6cdb\u6cdb\u800c\u8c08\u4e0d\u540c\uff0c\u672c\u6587\u4ee5\u4e00\u6b21\u771f\u5b9e\u7684\u5916\u8d38\u7ad9\u5e94\u6025\u590d\u76d8\u4e3a\u4e3b\u7ebf\uff0c\u6bcf\u4e00\u6b65\u90fd\u7ed9\u51fa\u53ef\u76f4\u63a5\u590d\u5236\u7684\u547d\u4ee4\u548c\u9a8c\u8bc1\u6807\u51c6\u3002<\/p>\n<h2>\u5148\u786e\u8ba4\uff1a\u8fd9\u4e9b\u8868\u73b0\u8bf4\u660e\u4f60\u88ab CC \u653b\u51fb\u4e86<\/h2>\n<p>CC \u653b\u51fb\u6700\u5bb9\u6613\u548c&#8221;\u6d41\u91cf\u9ad8\u5cf0&#8221;\u6df7\u6dc6\uff0c\u4e24\u8005\u7684\u672c\u8d28\u533a\u522b\u5728\u8bf7\u6c42\u8d28\u91cf\uff1a\u6b63\u5e38\u8bbf\u5ba2\u4f1a\u52a0\u8f7d\u5b8c\u6574\u9875\u9762\uff0c\u653b\u51fb\u6d41\u91cf\u5219\u53cd\u590d\u8bf7\u6c42\u5c11\u6570\u51e0\u4e2a\u6d88\u8017\u8d44\u6e90\u7684\u63a5\u53e3\u3002\u5224\u65ad\u65f6\u91cd\u70b9\u770b\u56db\u4e2a\u4fe1\u53f7\uff0c\u800c\u4e0d\u662f\u5355\u770b CPU \u6570\u5b57\u3002<\/p>\n<p>\u7b2c\u4e00\u770b\u54cd\u5e94\u65f6\u95f4\u7684\u8d70\u52bf\u3002\u6b63\u5e38\u9ad8\u5cf0\u662f&#8221;\u5c16\u5cf0\u56de\u843d&#8221;\uff0cCC \u653b\u51fb\u662f&#8221;\u5e73\u53f0\u72b6\u6301\u7eed\u9ad8\u538b&#8221;\u2014\u2014\u7f51\u7ad9\u54cd\u5e94\u4ece 200ms \u6da8\u5230 5 \u79d2\u4ee5\u4e0a\u540e\u4e0d\u518d\u56de\u843d\uff0c\u91cd\u542f\u670d\u52a1\u53ea\u80fd\u6362\u6765\u51e0\u5206\u949f\u5598\u606f\u3002\u7b2c\u4e8c\u770b\u8fde\u63a5\u72b6\u6001\u5206\u5e03\u3002\u5728\u670d\u52a1\u5668\u4e0a\u6267\u884c <code>netstat -n | awk '\/^tcp\/ {++S[$NF]} END {for(a in S) print a, S[a]}'<\/code>\uff0c\u5982\u679c TIME_WAIT\uff08\u8fde\u63a5\u5173\u95ed\u540e\u7684\u7b49\u5f85\u72b6\u6001\uff09\u5360\u6bd4\u8d85\u8fc7\u4e00\u534a\uff0c\u8bf4\u660e\u5927\u91cf\u8fde\u63a5\u5efa\u7acb\u540e\u7acb\u523b\u88ab\u4e22\u5f03\uff0c\u8fd9\u662f CC \u653b\u51fb\u6700\u5178\u578b\u7684\u6307\u7eb9\u3002\u7b2c\u4e09\u770b\u8bf7\u6c42\u96c6\u4e2d\u5ea6\u3002\u8bbf\u95ee\u65e5\u5fd7\u91cc\u540c\u4e00\u6279 IP \u6bcf\u79d2\u53d1\u8d77\u51e0\u5341\u6b21\u8bf7\u6c42\uff0c\u4e14\u5168\u90e8\u7838\u5411\u767b\u5f55\u9875\u3001\u641c\u7d22\u63a5\u53e3\u8fd9\u7c7b\u52a8\u6001\u8def\u5f84\u3002\u7b2c\u56db\u770b\u8d44\u6e90\u9519\u4f4d\uff1aCPU \u548c\u5e26\u5bbd\u88ab\u6253\u6ee1\uff0c\u4f46\u78c1\u76d8\u548c\u5185\u5b58\u4e00\u5207\u6b63\u5e38\u2014\u2014\u56e0\u4e3a\u653b\u51fb\u6d88\u8017\u7684\u662f\u8ba1\u7b97\u548c\u8fde\u63a5\u8d44\u6e90\uff0c\u4e0d\u662f\u5b58\u50a8\u3002<\/p>\n<p>\u56db\u6761\u4fe1\u53f7\u547d\u4e2d\u4e09\u6761\u4ee5\u4e0a\uff0c\u5c31\u53ef\u4ee5\u6309 CC \u653b\u51fb\u8fdb\u5165\u5e94\u6025\u6d41\u7a0b\u3002\u8fd9\u91cc\u6709\u4e2a\u5e38\u89c1\u8bef\u533a\u8981\u63d0\u9192\uff1a\u53d1\u73b0\u88ab\u653b\u51fb\u5c31\u6025\u7740\u5347\u7ea7\u914d\u7f6e\uff0c\u5f80\u5f80\u9002\u5f97\u5176\u53cd\u3002\u653b\u51fb\u8005\u770b\u5230\u4f60\u6362\u4e86\u66f4\u5927\u7684\u673a\u5668\uff0c\u53ea\u4f1a\u52a0\u5927\u8bf7\u6c42\u91cf\uff0c\u94b1\u82b1\u4e86\u95ee\u9898\u8fd8\u5728\u3002\u6b63\u786e\u987a\u5e8f\u662f\u5148\u5206\u6790\u3001\u518d\u9650\u5236\u3001\u6700\u540e\u624d\u8003\u8651\u6269\u5bb9\u6216\u6362\u9ad8\u9632\u65b9\u6848\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/cc-attack-2026-monitor.webp\" alt=\"CC \u653b\u51fb\u4e0b\u670d\u52a1\u5668\u8fde\u63a5\u6570\u4e0e CPU \u6301\u7eed\u8d70\u9ad8\u7684\u76d1\u63a7\u573a\u666f\" loading=\"lazy\" \/><\/p>\n<h2>\u8fde\u63a5\u6570\u5206\u6790\uff1a\u4e09\u6b65\u5b9a\u4f4d\u653b\u51fb\u6765\u6e90<\/h2>\n<p>\u786e\u8ba4\u653b\u51fb\u540e\uff0c\u5148\u522b\u6025\u7740\u5c01 IP\u3002\u5c01\u9519\u4e86\u6b63\u5e38\u7528\u6237\u7b49\u4e8e\u81ea\u5df1\u7ed9\u81ea\u5df1\u5236\u9020\u6545\u969c\uff0c\u6b63\u786e\u505a\u6cd5\u662f\u6309&#8221;\u603b\u91cf \u2192 \u5355 IP \u2192 \u8bf7\u6c42\u8def\u5f84&#8221;\u7684\u987a\u5e8f\u628a\u653b\u51fb\u753b\u50cf\u6478\u6e05\u695a\uff0c\u8fd9\u4e09\u6b65\u5728 Linux \u670d\u52a1\u5668\u4e0a\u5404\u53ea\u9700\u4e00\u6761\u547d\u4ee4\u3002<\/p>\n<p>\u7b2c\u4e00\u6b65\u770b\u603b\u91cf\u548c\u72b6\u6001\u3002<code>netstat -an | grep -E ':80|:443' | wc -l<\/code> \u7edf\u8ba1 Web \u7aef\u53e3\u7684\u5e76\u53d1\u8fde\u63a5\u603b\u6570\uff0c\u5982\u679c\u6570\u5b57\u662f\u65e5\u5e38\u6c34\u5e73\u7684 10 \u500d\u4ee5\u4e0a\uff0c\u914d\u5408\u524d\u9762\u8bf4\u7684 TIME_WAIT \u5360\u6bd4\u8fc7\u534a\uff0c\u653b\u51fb\u89c4\u6a21\u5c31\u6709\u4e86\u91cf\u5316\u7ed3\u8bba\u3002\u7b2c\u4e8c\u6b65\u627e\u5acc\u7591 IP\u3002<code>netstat -ntu | awk '{print $5}' | cut -d: -f1 | sort | uniq -c | sort -rn | head -20<\/code> \u6309\u8fde\u63a5\u6570\u5012\u5e8f\u5217\u51fa\u524d 20 \u540d\uff1a\u5355\u4e00 IP \u5360\u603b\u8fde\u63a5 30% \u4ee5\u4e0a\u53ef\u4ee5\u76f4\u63a5\u5217\u4e3a\u5c01\u7981\u5bf9\u8c61\uff1b\u5982\u679c\u6bcf\u4e2a IP \u53ea\u6709\u51e0\u5341\u4e2a\u8fde\u63a5\u3001\u603b\u91cf\u5374\u5f88\u5927\uff0c\u8bf4\u660e\u5bf9\u65b9\u5728\u7528\u4ee3\u7406\u6c60\uff0c\u8fd9\u65f6\u91cd\u70b9\u8981\u8f6c\u5411\u7b2c\u4e09\u6b65\u2014\u2014\u8def\u5f84\u5206\u6790\u3002<\/p>\n<p>\u7b2c\u4e09\u6b65\u5206\u6790\u653b\u51fb\u6253\u5728\u54ea\u91cc\u3002\u7528 <code>awk '{print $7}' \/var\/log\/nginx\/access.log | sort | uniq -c | sort -rn | head -10<\/code> \u7edf\u8ba1\u88ab\u8bf7\u6c42\u6700\u591a\u7684 URL\uff0c\u518d\u7528 <code>grep '\u5acc\u7591IP' \/var\/log\/nginx\/access.log | tail -100 | awk '{print $7}' | sort | uniq -c<\/code> \u770b\u8fd9\u4e2a IP \u6700\u8fd1\u5728\u8bbf\u95ee\u4ec0\u4e48\u3002CC \u653b\u51fb\u7684\u8bf7\u6c42\u51e0\u4e4e\u603b\u662f\u96c6\u4e2d\u5728\u5c11\u6570&#8221;\u8d35&#8221;\u7684\u8def\u5f84\u4e0a\uff1a\u767b\u5f55\u9a8c\u8bc1\u3001\u641c\u7d22\u63a5\u53e3\u3001\u8bc4\u8bba\u63d0\u4ea4\u3002\u627e\u5230\u8fd9\u6761\u8def\u5f84\uff0c\u540e\u9762\u7684\u9650\u6d41\u89c4\u5219\u5c31\u6709\u4e86\u660e\u786e\u9776\u5b50\uff0c\u800c\u4e0d\u662f\u5168\u7ad9\u4e00\u5200\u5207\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/cc-attack-2026-log.webp\" alt=\"\u8bbf\u95ee\u65e5\u5fd7\u4e2d\u653b\u51fb IP \u9ad8\u9891\u8bf7\u6c42\u540c\u4e00\u767b\u5f55\u8def\u5f84\u7684\u5206\u6790\u793a\u610f\" loading=\"lazy\" \/><\/p>\n<h2>Nginx \u9650\u6d41\uff1a\u7ed9\u5f02\u5e38\u6d41\u91cf\u8bbe\u4e00\u9053\u95f8\u95e8<\/h2>\n<p>\u5b9a\u4f4d\u5230\u653b\u51fb\u8def\u5f84\u540e\uff0c\u9650\u6d41\uff08Rate Limiting\uff0c\u9650\u5236\u5355\u4e2a IP \u5355\u4f4d\u65f6\u95f4\u5185\u7684\u8bf7\u6c42\u6b21\u6570\uff09\u662f\u6700\u5feb\u89c1\u6548\u7684\u6b62\u8840\u624b\u6bb5\u3002\u9608\u503c\u600e\u4e48\u5b9a\uff1f\u6709\u4e2a\u7b80\u5355\u7b97\u6cd5\uff1a\u6b63\u5e38\u8bbf\u5ba2\u9605\u8bfb\u4e00\u4e2a\u9875\u9762\u81f3\u5c11\u505c\u7559 3-5 \u79d2\uff0c\u628a\u5168\u7ad9\u9608\u503c\u8bbe\u5728\u6bcf\u79d2 10 \u6b21\u8bf7\u6c42\u3001\u653b\u51fb\u8def\u5f84\u5355\u72ec\u6536\u7d27\u5230\u6bcf\u79d2 2 \u6b21\uff0c\u5c31\u80fd\u5728\u6321\u4f4f\u653b\u51fb\u548c\u653e\u8fc7\u771f\u5b9e\u7528\u6237\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\u3002<\/p>\n<p>\u5728 Nginx \u914d\u7f6e\u7684 <code>http<\/code> \u5757\u4e2d\u52a0\u5165\u4ee5\u4e0b\u89c4\u5219\uff1a<\/p>\n<pre><code class=\"language-nginx\"># \u4ee5\u5ba2\u6237\u7aef IP \u4e3a\u952e\u5b9a\u4e49\u9650\u6d41\u533a\u57df\uff0c10MB \u5185\u5b58\u7ea6\u53ef\u8ddf\u8e2a 16 \u4e07\u4e2a IP\nlimit_req_zone $binary_remote_addr zone=one:10m rate=10r\/s;\n\nserver {\n    listen 80;\n\n    # \u5168\u7ad9\u9650\u6d41\uff1a\u7a81\u53d1\u6d41\u91cf\u5141\u8bb8\u6392\u961f 5 \u4e2a\u8bf7\u6c42\uff0c\u8d85\u8fc7\u76f4\u63a5\u62d2\u7edd\n    limit_req zone=one burst=5 nodelay;\n\n    # \u5bf9\u5b9a\u4f4d\u5230\u7684\u653b\u51fb\u8def\u5f84\u5355\u72ec\u6536\u7d27\uff0c\u4f8b\u5982\u767b\u5f55\u63a5\u53e3\n    location = \/wp-login.php {\n        limit_req zone=one burst=2 nodelay;\n        limit_req_status 503;\n    }\n}\n<\/code><\/pre>\n<p>\u6539\u5b8c\u5148\u8dd1 <code>nginx -t<\/code> \u9a8c\u8bc1\u8bed\u6cd5\uff0c\u518d <code>systemctl reload nginx<\/code> \u751f\u6548\u3002\u751f\u6548\u540e\u7528\u4e24\u4e2a\u6307\u6807\u9a8c\u8bc1\u6548\u679c\uff1a503 \u9519\u8bef\u7387\u5e94\u7a33\u5b9a\u5728\u603b\u8bf7\u6c42\u7684 5% \u4ee5\u4e0b\uff08\u8fc7\u9ad8\u8bf4\u660e\u9608\u503c\u592a\u7d27\uff0c\u8bef\u4f24\u4e86\u771f\u5b9e\u7528\u6237\uff09\uff0cCPU \u8d1f\u8f7d\u5e94\u5728\u4e00\u4e24\u5206\u949f\u5185\u660e\u663e\u56de\u843d\u3002\u5982\u679c\u4e24\u4e2a\u6307\u6807\u90fd\u4e0d\u8fbe\u6807\uff0c\u4f18\u5148\u6000\u7591\u914d\u7f6e\u6ca1\u751f\u6548\u6216\u653b\u51fb\u8def\u5f84\u5224\u65ad\u9519\u4e86\uff0c\u56de\u5230\u4e0a\u4e00\u6b65\u91cd\u65b0\u5206\u6790\u65e5\u5fd7\uff1b\u9650\u6d41\u4e4b\u5916\uff0c\u65e5\u5e38\u7684\u8d1f\u8f7d\u57fa\u7ebf\u600e\u4e48\u5b9a\uff0c\u53ef\u4ee5\u53c2\u8003<a href=\"https:\/\/cn.hostease.com\/blog\/server\/\">\u670d\u52a1\u5668\u914d\u7f6e\u4e0e\u4f18\u5316\u4e13\u9898<\/a>\u4e2d\u7684\u6027\u80fd\u6307\u6807\u8bf4\u660e\u3002<\/p>\n<p>\u6709\u4e00\u4e2a\u5751\u51e0\u4e4e\u6bcf\u4e2a\u7528 CDN\uff08Content Delivery Network\uff0c\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u7684\u7ad9\u70b9\u90fd\u4f1a\u8e29\uff1a<code>$binary_remote_addr<\/code> \u62ff\u5230\u7684\u662f CDN \u8282\u70b9\u7684 IP\uff0c\u6240\u6709\u8bbf\u5ba2\u5728 Nginx \u773c\u91cc\u90fd\u662f\u540c\u4e00\u4e2a\u6765\u6e90\uff0c\u9650\u6d41\u4e00\u5f00\u5c31\u662f\u5168\u7ad9\u4e0d\u53ef\u8bbf\u95ee\u3002\u89e3\u51b3\u529e\u6cd5\u662f\u7528 <code>realip<\/code> \u6a21\u5757\u4ece <code>X-Forwarded-For<\/code> \u5934\u8fd8\u539f\u771f\u5b9e\u5ba2\u6237\u7aef IP\uff0c\u518d\u5957\u7528\u4e0a\u9762\u7684\u89c4\u5219\u3002\u914d\u7f6e\u9650\u6d41\u524d\u52a1\u5fc5\u786e\u8ba4\u8fd9\u4e00\u6b65\uff0c\u5426\u5219\u6b62\u8840\u52a8\u4f5c\u672c\u8eab\u5c31\u4f1a\u53d8\u6210\u4e8b\u6545\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/cc-attack-2026-ratelimit.webp\" alt=\"\u9650\u6d41\u95f8\u95e8\u653e\u884c\u6b63\u5e38\u8bbf\u5ba2\u3001\u62e6\u622a\u9ad8\u9891\u653b\u51fb\u8bf7\u6c42\u7684\u5bf9\u6bd4\u793a\u610f\" loading=\"lazy\" \/><\/p>\n<h2>\u9632\u706b\u5899\u89c4\u5219\uff1a\u628a\u987d\u56fa\u653b\u51fb\u6e90\u6321\u5728\u95e8\u5916<\/h2>\n<p>\u9650\u6d41\u89e3\u51b3&#8221;\u8bf7\u6c42\u592a\u5feb&#8221;\uff0c\u9632\u706b\u5899\u89e3\u51b3&#8221;\u6765\u6e90\u592a\u574f&#8221;\u3002\u5bf9\u8fde\u63a5\u6570\u5206\u6790\u4e2d\u9501\u5b9a\u7684\u9ad8\u9891 IP\uff0c\u5728\u9632\u706b\u5899\u5c42\u76f4\u63a5\u4e22\u5f03\u6bd4\u8ba9 Nginx \u9010\u4e2a\u5904\u7406\u66f4\u7701\u8d44\u6e90\u2014\u2014\u6570\u636e\u5305\u5728\u5185\u6838\u5c42\u5c31\u88ab\u4e22\u6389\uff0c\u6839\u672c\u4e0d\u4f1a\u6d88\u8017 Web \u8fdb\u7a0b\u7684\u8fde\u63a5\u6c60\u3002<\/p>\n<p>\u4ee5\u6700\u5e38\u89c1\u7684 firewalld \u548c iptables \u4e3a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-bash\"># firewalld\uff1a\u5c01\u7981\u5355\u4e2a\u653b\u51fb IP\nfirewall-cmd --permanent --add-rich-rule='rule family=&quot;ipv4&quot; source address=&quot;203.0.113.45&quot; reject'\nfirewall-cmd --reload\n\n# iptables\uff1a\u5c01\u7981\u4e00\u4e2a\u653b\u51fb\u7f51\u6bb5\uff0c\u9002\u7528\u4e8e\u540c\u6bb5 IP \u96c6\u4e2d\u653b\u51fb\niptables -A INPUT -s 203.0.113.0\/24 -j DROP\n\n# \u9650\u5236\u5355 IP \u7684 80 \u7aef\u53e3\u5e76\u53d1\u8fde\u63a5\u6570\uff0c\u8d85\u8fc7 20 \u76f4\u63a5\u4e22\u5f03\niptables -A INPUT -p tcp --dport 80 -m connlimit --connlimit-above 20 -j DROP\n<\/code><\/pre>\n<p>\u5c01\u7981\u4e0d\u662f\u4e00\u6b21\u6027\u7684\u52a8\u4f5c\uff0c\u8981\u6309&#8221;\u89c2\u5bdf\u2014\u5c01\u7981\u2014\u590d\u67e5&#8221;\u7684\u8282\u594f\u5faa\u73af\uff1a\u5c01\u7981 30 \u5206\u949f\u540e\u56de\u770b\u65e5\u5fd7\uff0c\u5982\u679c\u653b\u51fb\u5207\u6362\u4e86 IP \u6bb5\uff0c\u5c31\u66f4\u65b0\u89c4\u5219\u518d\u5c01\u3002\u7279\u522b\u63d0\u9192\u505a\u8de8\u5883\u7535\u5546\u7684\u7ad9\u957f\uff0c\u5207\u5fcc\u4e00\u4e0a\u6765\u5c31\u5c01\u6574\u4e2a\u56fd\u5bb6\u6216\u5730\u533a\u7684\u7f51\u6bb5\u2014\u2014\u90a3\u4f1a\u6321\u6389\u5927\u91cf\u771f\u5b9e\u5ba2\u6237\uff0c\u635f\u5931\u53ef\u80fd\u6bd4\u653b\u51fb\u672c\u8eab\u8fd8\u5927\u3002\u53e6\u5916\uff0c\u53ef\u4ee5\u628a SSH \u7b49\u7ba1\u7406\u7aef\u53e3\u6539\u6210\u975e\u5e38\u89c4\u7aef\u53e3\u5e76\u53ea\u653e\u884c\u81ea\u5df1\u7684\u5e38\u7528 IP\uff0c\u5148\u628a\u653b\u51fb\u9762\u6536\u7a84\u4e00\u5708\u3002<\/p>\n<p>\u5982\u679c\u4f60\u7684\u4e1a\u52a1\u5bf9\u53ef\u7528\u6027\u8981\u6c42\u9ad8\u3001\u53c8\u6ca1\u6709\u4e13\u804c\u8fd0\u7ef4\u76ef\u7740\u65e5\u5fd7\uff0c\u53ef\u4ee5\u8003\u8651\u628a\u8fd9\u7c7b\u89c4\u5219\u548c\u9ad8\u9632\u7ebf\u8def\u914d\u5408\u4f7f\u7528\u3002\u4f8b\u5982 Hostease \u7684<a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u72ec\u7acb\u670d\u52a1\u5668<\/a>\u63d0\u4f9b\u9ad8\u9632\u9009\u9879\uff08\u9632\u62a4\u65b9\u6848\u4e0e\u4ef7\u683c\u622a\u81f3 2026 \u5e74 10 \u6708\uff0c\u4ee5\u5b98\u7f51\u5b9e\u65f6\u62a5\u4ef7\u4e3a\u51c6\uff09\uff0c\u524d\u7f6e\u6e05\u6d17\u6389\u5927\u6d41\u91cf\u653b\u51fb\u540e\uff0c\u670d\u52a1\u5668\u4e0a\u7684\u9650\u6d41\u548c\u5c01\u7981\u89c4\u5219\u53ea\u9700\u5904\u7406\u6f0f\u7f51\u7684\u4f4e\u9891\u8bf7\u6c42\uff0c\u4e24\u5c42\u9632\u7ebf\u5404\u53f8\u5176\u804c\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/cc-attack-2026-firewall.webp\" alt=\"\u9632\u706b\u5899\u5728\u670d\u52a1\u5668\u524d\u90e8\u5206\u5c42\u62e6\u622a\u6076\u610f\u6d41\u91cf\u7684\u7ed3\u6784\u793a\u610f\" loading=\"lazy\" \/><\/p>\n<h2>\u5b9e\u6218\u590d\u76d8\uff1a\u4e00\u6b21 30 \u5206\u949f\u7684\u5b8c\u6574\u5e94\u6025<\/h2>\n<p>\u628a\u524d\u9762\u7684\u6b65\u9aa4\u4e32\u8d77\u6765\u770b\u4e00\u4e2a\u771f\u5b9e\u6848\u4f8b\u3002\u67d0\u5916\u8d38\u72ec\u7acb\u7ad9\u665a\u4e0a 9 \u70b9\u88ab\u76ef\u4e0a\uff1a\u9996\u9875\u6bcf\u79d2\u88ab\u8bf7\u6c42 80 \u6b21\uff0cCPU \u98d9\u5230 95%\uff0c\u7f51\u7ad9\u51e0\u4e4e\u762b\u75ea\u3002\u7ad9\u957f\u6309\u672c\u6587\u6d41\u7a0b\u64cd\u4f5c\u2014\u2014\u5148\u7528 <code>netstat<\/code> \u786e\u8ba4\u5e76\u53d1\u8fde\u63a5\u4ece\u65e5\u5e38\u7684 400 \u6da8\u5230 9000\uff0cTIME_WAIT \u5360\u6bd4\u7ea6\u516d\u6210\uff0c\u786e\u8ba4\u662f CC \u653b\u51fb\uff1b\u518d\u7edf\u8ba1 IP\uff0c\u53d1\u73b0 3 \u4e2a IP \u5404\u5360 25% \u7684\u8fde\u63a5\uff1b\u65e5\u5fd7\u663e\u793a\u8fd9\u4e9b\u8bf7\u6c42\u5168\u90e8\u96c6\u4e2d\u5728 <code>\/wp-login.php<\/code>\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\u4ed6\u5728 Nginx \u7ed9\u767b\u5f55\u9875\u5355\u72ec\u8bbe\u4e86\u6bcf\u79d2 2 \u6b21\u7684\u9650\u6d41\u9608\u503c\uff0c\u5e76\u7528 iptables \u5c01\u6389 3 \u4e2a\u653b\u51fb IP \u6240\u5728\u7684 \/24 \u7f51\u6bb5\u300215 \u5206\u949f\u540e CPU \u56de\u843d\u5230 30%\uff0c\u7f51\u7ad9\u6062\u590d\u8bbf\u95ee\uff0c\u5168\u7a0b\u6ca1\u6709\u6362\u670d\u52a1\u5668\u3001\u6ca1\u6709\u5347\u7ea7\u914d\u7f6e\u3001\u6ca1\u6709\u82b1\u4e00\u5206\u94b1\u4e70\u9ad8\u9632\u3002\u8fd9\u4e2a\u6848\u4f8b\u7684\u4ef7\u503c\u5728\u4e8e\u5c55\u793a\u51b3\u7b56\u987a\u5e8f\uff1a\u5148\u91cf\u5316\u786e\u8ba4\u3001\u518d\u7cbe\u51c6\u6253\u51fb\uff0c\u7edd\u5927\u591a\u6570\u51e0\u5341 G \u4ee5\u4e0b\u91cf\u7ea7\u7684 CC \u653b\u51fb\uff0c\u9760\u8fde\u63a5\u6570\u5206\u6790\u52a0\u9650\u6d41\u89c4\u5219\u5c31\u80fd\u89e3\u51b3\uff0c\u771f\u6b63\u9700\u8981\u9ad8\u9632\u786c\u4ef6\u7684\u662f\u5c11\u6570\u6781\u7aef\u573a\u666f\u3002<\/p>\n<p>\u590d\u76d8\u91cc\u8fd8\u6709\u4e00\u4e2a\u5bb9\u6613\u5ffd\u7565\u7684\u7ec6\u8282\uff1a\u653b\u51fb\u505c\u6b62\u540e\u7684 24 \u5c0f\u65f6\u5185\u662f\u4e8c\u6b21\u653b\u51fb\u9ad8\u53d1\u671f\uff0c\u653b\u51fb\u8005\u4f1a\u6362 IP \u6bb5\u518d\u6765\u4e00\u6b21\u3002\u6240\u4ee5\u5e94\u6025\u7ed3\u675f\u4e0d\u7b49\u4e8e\u6536\u5de5\uff0c\u65e5\u5fd7\u76d1\u63a7\u8981\u81f3\u5c11\u518d\u4fdd\u6301\u4e00\u5468\u3002<\/p>\n<h2>\u957f\u671f\u9632\u62a4\uff1a\u628a\u4e0b\u4e00\u6b21\u653b\u51fb\u7684\u635f\u5931\u964d\u5230\u6700\u4f4e<\/h2>\n<p>\u5e94\u6025\u53ea\u662f\u6b62\u8840\uff0c\u8981\u907f\u514d\u6bcf\u6b21\u90fd\u534a\u591c\u8d77\u6765\u6551\u706b\uff0c\u5efa\u8bae\u628a\u4e09\u4ef6\u4e8b\u7eb3\u5165\u65e5\u5e38\u8fd0\u7ef4\u3002\u7b2c\u4e00\uff0c\u57fa\u7840\u76d1\u63a7\u52a0\u544a\u8b66\uff1aCPU \u8d1f\u8f7d\u3001\u5e76\u53d1\u8fde\u63a5\u6570\u3001\u5e26\u5bbd\uff08\u670d\u52a1\u5668\u5355\u4f4d\u65f6\u95f4\u5185\u53ef\u4f20\u8f93\u7684\u6570\u636e\u91cf\uff0c\u597d\u6bd4\u516c\u8def\u7684\u8f66\u9053\u5bbd\u5ea6\uff09\u4e09\u9879\u5404\u8bbe\u9608\u503c\uff08\u6bd4\u5982\u5e76\u53d1\u8fde\u63a5\u8d85\u8fc7\u65e5\u5e38\u5747\u503c 5 \u500d\u5c31\u544a\u8b66\uff09\uff0c\u653b\u51fb\u53d1\u751f\u65f6\u7b2c\u4e00\u65f6\u95f4\u77e5\u9053\uff0c\u800c\u4e0d\u662f\u7b49\u5ba2\u6237\u6295\u8bc9\u3002\u7b2c\u4e8c\uff0c\u9759\u6001\u8d44\u6e90\u63a5\u5165 CDN\uff0c\u8ba9\u653b\u51fb\u6d41\u91cf\u5728\u524d\u7f6e\u8282\u70b9\u88ab\u5438\u6536\uff0c\u56de\u6e90\u8bf7\u6c42\u5927\u5e45\u51cf\u5c11\uff0c\u76f8\u5f53\u4e8e\u7ed9\u6e90\u7ad9\u52a0\u4e86\u4e00\u5c42\u7f13\u51b2\u57ab\u3002\u7b2c\u4e09\uff0c\u5982\u679c\u4e1a\u52a1\u6301\u7eed\u88ab\u653b\u51fb\u6216\u653b\u51fb\u91cf\u7ea7\u660e\u663e\u4e0a\u5347\uff0c\u63a8\u8350\u8bc4\u4f30\u81ea\u5e26 DDoS 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