{"id":28572,"date":"2025-04-20T01:16:11","date_gmt":"2025-04-19T17:16:11","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/28572.html"},"modified":"2025-04-20T01:16:11","modified_gmt":"2025-04-19T17:16:11","slug":"%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%9b%a0ddos%e6%94%bb%e5%87%bb%e8%a2%ab%e6%8b%89%e9%bb%91%e6%b4%9e%ef%bc%9f5%e6%ad%a5%e7%b4%a7%e6%80%a5%e8%87%aa%e6%95%91%e4%b8%8e%e9%95%bf%e6%95%88%e9%98%b2%e5%be%a1","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/28572.html","title":{"rendered":"\u670d\u52a1\u5668\u56e0DDoS\u653b\u51fb\u88ab\u62c9\u9ed1\u6d1e\uff1f5\u6b65\u7d27\u6025\u81ea\u6551\u4e0e\u957f\u6548\u9632\u5fa1\u65b9\u6848"},"content":{"rendered":"<h5>\u4e00\u3001\u4ec0\u4e48\u662f\u201c\u9ed1\u6d1e\u201d&#xff1f;<\/h5>\n<p>\u5f53\u670d\u52a1\u5668\u906d\u53d7\u5927\u6d41\u91cfDDoS\u653b\u51fb\u65f6&#xff0c;\u4e91\u670d\u52a1\u5546\u4f1a\u5c06\u76ee\u6807IP\u62c9\u5165\u9ed1\u6d1e\u2014\u2014\u6240\u6709\u5916\u90e8\u8bbf\u95ee\u6d41\u91cf\u88ab\u5f3a\u5236\u4e22\u5f03&#xff0c;\u670d\u52a1\u5668\u5916\u7f51\u4e2d\u65ad\u4f46\u5185\u7f51\u4ecd\u53ef\u7528\u3002\u8fd9\u662f\u4e91\u5e73\u53f0\u7684\u5168\u5c40\u4fdd\u62a4\u673a\u5236&#xff0c;\u9632\u6b62\u653b\u51fb\u6ce2\u53ca\u5176\u4ed6\u7528\u6237&#xff0c;\u4f46\u4f1a\u5bfc\u81f4\u4e1a\u52a1\u4e34\u65f6\u762b\u75ea\u3002<\/p>\n<hr 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\/>\n<h5>\u4e09\u3001\u957f\u6548\u9632\u5fa1&#xff1a;\u907f\u514d\u9ed1\u6d1e\u76844\u5c42\u9632\u62a4\u4f53\u7cfb<\/h5>\n<h6>1.\u00a0\u67b6\u6784\u8bbe\u8ba1&#xff1a;\u53bb\u4e2d\u5fc3\u5316\u4e0e\u5f39\u6027<\/h6>\n<ul>\n<li>\n<p>\u591a\u4e91\u90e8\u7f72&#xff1a;\u4e1a\u52a1\u5206\u6563\u81f32-3\u5bb6\u4e91\u5382\u5546&#xff08;\u5982\u534e\u4e3a\u4e91&#043;AWS&#xff09;&#xff0c;\u907f\u514d\u5355\u70b9\u88ab\u653b\u51fb\u3002<\/p>\n<\/li>\n<li>\n<p>\u65e0\u72b6\u6001\u8bbe\u8ba1&#xff1a;\u4f7f\u7528\u5bb9\u5668\u5316\u6280\u672f&#xff08;\u5982K8s&#xff09;&#xff0c;\u5b9e\u73b0\u670d\u52a1\u5feb\u901f\u6a2a\u5411\u6269\u5c55\u3002<\/p>\n<\/li>\n<\/ul>\n<h6>2.\u00a0\u7f51\u7edc\u5c42&#xff1a;\u9690\u85cf\u4e0e\u6e05\u6d17<\/h6>\n<ul>\n<li>\n<p>\u5f3a\u5236\u9ad8\u9632\u63a5\u5165&#xff1a;\u6240\u6709\u5916\u7f51\u6d41\u91cf\u5fc5\u987b\u7ecf\u8fc7\u9ad8\u9632\u8282\u70b9&#xff0c;\u9690\u85cf\u771f\u5b9e\u670d\u52a1\u5668IP\u3002<\/p>\n<\/li>\n<li>\n<p>BGP\u591a\u7ebf\u9632\u62a4&#xff1a;\u9009\u62e9BGP\u9ad8\u9632\u7ebf\u8def&#xff0c;\u964d\u4f4e\u8de8\u56fd\u8bbf\u95ee\u5ef6\u8fdf\u3002<\/p>\n<\/li>\n<\/ul>\n<h6>3.\u00a0\u5e94\u7528\u5c42&#xff1a;\u667a\u80fd\u62e6\u622a<\/h6>\n<ul>\n<li>\n<p>\u4eba\u673a\u9a8c\u8bc1&#xff1a;\u5728\u767b\u5f55\/\u6ce8\u518c\u63a5\u53e3\u589e\u52a0\u6ed1\u5757\u9a8c\u8bc1&#xff0c;\u62e6\u622a\u81ea\u52a8\u5316\u653b\u51fb\u5de5\u5177\u3002<\/p>\n<\/li>\n<li>\n<p>API\u52a8\u6001\u9650\u6d41&#xff1a;\u57fa\u4e8eIP\/\u8d26\u53f7\u8bbe\u7f6e\u8bf7\u6c42\u9608\u503c&#xff08;Nginx\u793a\u4f8b&#xff09;&#xff1a;<\/p>\n<p>nginx<\/p>\n<p> limit_req_zone $binary_remote_addr zone&#061;api_limit:10m rate&#061;100r\/s;<br \/>\nlocation \/api {<br \/>\n    limit_req zone&#061;api_limit burst&#061;200 nodelay;<br \/>\n    proxy_pass http:\/\/backend;<br \/>\n}   <\/li>\n<\/ul>\n<h6>4.\u00a0\u76d1\u63a7\u4e0e\u81ea\u52a8\u5316<\/h6>\n<ul>\n<li>\n<p>\u5b9e\u65f6\u544a\u8b66&#xff1a;\u914d\u7f6e\u5e26\u5bbd\u3001\u8fde\u63a5\u6570\u9608\u503c\u544a\u8b66&#xff08;\u5982\u5e26\u5bbd\u8d8580%\u89e6\u53d1\u77ed\u4fe1&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u81ea\u52a8\u5207\u6362&#xff1a;\u7f16\u5199\u811a\u672c\u5b9e\u73b0\u653b\u51fb\u65f6\u81ea\u52a8\u5207\u6362\u9ad8\u9632\u8282\u70b9&#xff08;Python\u793a\u4f8b&#xff09;&#xff1a;<\/p>\n<p>python<\/p>\n<p> import requests<br \/>\ndef auto_switch():<br \/>\n    if get_attack_traffic() &gt; 50G:<br \/>\n        update_dns_record(new_ip&#061;&#034;\u9ad8\u9632IP&#034;)   <\/li>\n<\/ul>\n<hr \/>\n<h5>\u56db\u3001\u6ce8\u610f\u4e8b\u9879<\/h5>\n<li>\n<p>\u62d2\u7edd\u652f\u4ed8\u8d4e\u91d1&#xff1a;\u652f\u4ed8\u8d4e\u91d1\u4e0d\u4ec5\u8fdd\u6cd5&#xff0c;\u4e14\u65e0\u6cd5\u4fdd\u8bc1\u653b\u51fb\u505c\u6b62\u3002<\/p>\n<\/li>\n<li>\n<p>\u6cd5\u5f8b\u53d6\u8bc1&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u4f7f\u7528tcpdump\u4fdd\u5b58\u653b\u51fb\u6d41\u91cf&#xff1a;tcpdump -i eth0 -w attack.pcap<\/p>\n<\/li>\n<li>\n<p>\u5411\u516c\u5b89\u673a\u5173\u7f51\u5b89\u90e8\u95e8\u63d0\u4ea4\u653b\u51fbIP\u3001\u65f6\u95f4\u3001\u6d41\u91cf\u89c4\u6a21\u7b49\u8bc1\u636e\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6210\u672c\u4f18\u5316&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u4e2d\u5c0f\u4e1a\u52a1\u9009\u62e9\u201c\u4fdd\u5e95&#043;\u5f39\u6027\u201d\u5957\u9910&#xff0c;\u7a81\u53d1\u6d41\u91cf\u6309\u9700\u4ed8\u8d39\u3002<\/p>\n<\/li>\n<li>\n<p>\u957f\u671f\u5408\u7ea6\u53ef\u4eab\u6298\u6263&#xff08;\u5982\u5305\u5e74\u9632\u62a4\u5e26\u5bbd\u4f18\u60e030%&#xff09;\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<hr \/>\n<h5>\u4e94\u3001\u603b\u7ed3<\/h5>\n<p>\u670d\u52a1\u5668\u88ab\u62c9\u9ed1\u6d1e\u662fDDoS\u653b\u51fb\u7684\u5178\u578b\u7ed3\u679c&#xff0c;\u4f46\u901a\u8fc7\u5feb\u901f\u66f4\u6362IP\u3001\u6570\u636e\u8fc1\u79fb\u3001\u63a5\u5165\u9ad8\u9632\u4e09\u62db\u53ef\u6700\u5927\u9650\u5ea6\u964d\u4f4e\u635f\u5931\u3002\u9632\u5fa1\u6838\u5fc3\u5728\u4e8e\u201c\u4e1a\u52a1\u9690\u85cf&#043;\u6d41\u91cf\u6e05\u6d17\u201d&#xff0c;\u914d\u5408\u591a\u4e91\u5bb9\u707e\u4e0e\u81ea\u52a8\u5316\u54cd\u5e94&#xff0c;\u6784\u5efa\u6301\u7eed\u53ef\u7528\u7684\u5b89\u5168\u67b6\u6784\u3002<\/p>\n<p>\u5de5\u5177\u63a8\u8350&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u6d41\u91cf\u5206\u6790&#xff1a;Wireshark\u3001tcpdump<\/p>\n<\/li>\n<li>\n<p>\u538b\u529b\u6d4b\u8bd5&#xff1a;Hping3\u3001SlowHTTPTest<\/p>\n<\/li>\n<li>\n<p>\u9632\u62a4\u670d\u52a1&#xff1a;\u767d\u5c71\u4e91DDoS\u9ad8\u9632\u3001\u4e0a\u6d77\u4e91\u76fe<\/p>\n<\/li>\n<\/ul>\n<p>\u63d0\u793a&#xff1a;\u4f01\u4e1a\u5e94\u6bcf\u5e74\u81f3\u5c11\u8fdb\u884c\u4e00\u6b21\u653b\u9632\u6f14\u7ec3&#xff0c;\u6a21\u62df\u9ed1\u6d1e\u573a\u666f\u5e76\u9a8c\u8bc1\u5e94\u6025\u9884\u6848\u6709\u6548\u6027\u3002<\/p>\n<hr 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