{"id":50619,"date":"2024-10-08T12:32:33","date_gmt":"2024-10-08T04:32:33","guid":{"rendered":"https:\/\/server.hk\/cnblog\/50619\/"},"modified":"2024-10-08T12:32:33","modified_gmt":"2024-10-08T04:32:33","slug":"nginx-%e5%ae%89%e5%85%a8%e7%ad%96%e7%95%a5%ef%bc%9a%e8%a8%ad%e7%bd%ae-ddos-%e7%b7%a9%e8%a7%a3%e7%ad%96%e7%95%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/50619\/","title":{"rendered":"Nginx \u5b89\u5168\u7b56\u7565\uff1a\u8a2d\u7f6e DDoS \u7de9\u89e3\u7b56\u7565"},"content":{"rendered":"

Nginx \u5b89\u5168\u7b56\u7565\uff1a\u8a2d\u7f6e DDoS \u7de9\u89e3\u7b56\u7565<\/h1>\n

\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u5206\u6563\u5f0f\u62d2\u7d55\u670d\u52d9\u653b\u64ca\uff08DDoS\uff09\u5df2\u6210\u70ba\u4e00\u7a2e\u5e38\u898b\u7684\u5b89\u5168\u5a01\u8105\u3002\u9019\u985e\u653b\u64ca\u901a\u904e\u5927\u91cf\u7684\u6d41\u91cf\u6df9\u6c92\u76ee\u6a19\u4f3a\u670d\u5668\uff0c\u5c0e\u81f4\u5176\u7121\u6cd5\u6b63\u5e38\u904b\u884c\u3002Nginx \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u7db2\u9801\u4f3a\u670d\u5668\u548c\u53cd\u5411\u4ee3\u7406\u4f3a\u670d\u5668\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u548c\u7b56\u7565\u4f86\u7de9\u89e3 DDoS \u653b\u64ca\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 Nginx \u4e2d\u8a2d\u7f6e\u6709\u6548\u7684 DDoS \u7de9\u89e3\u7b56\u7565\u3002<\/p>\n

\u7406\u89e3 DDoS \u653b\u64ca<\/h2>\n

DDoS \u653b\u64ca\u7684\u4e3b\u8981\u76ee\u7684\u662f\u4f7f\u76ee\u6a19\u4f3a\u670d\u5668\u7121\u6cd5\u63d0\u4f9b\u670d\u52d9\u3002\u653b\u64ca\u8005\u901a\u5e38\u6703\u5229\u7528\u5927\u91cf\u7684\u53d7\u611f\u67d3\u8a2d\u5099\uff08\u5982\u50f5\u5c4d\u7db2\u7d61\uff09\u767c\u8d77\u653b\u64ca\uff0c\u9019\u4e9b\u8a2d\u5099\u540c\u6642\u5411\u76ee\u6a19\u4f3a\u670d\u5668\u767c\u9001\u8acb\u6c42\u3002\u9019\u6703\u5c0e\u81f4\u4f3a\u670d\u5668\u8cc7\u6e90\u8017\u76e1\uff0c\u6700\u7d42\u4f7f\u5176\u7121\u6cd5\u97ff\u61c9\u5408\u6cd5\u7528\u6236\u7684\u8acb\u6c42\u3002<\/p>\n

Nginx \u7684 DDoS \u7de9\u89e3\u7b56\u7565<\/h2>\n

\u70ba\u4e86\u6709\u6548\u5730\u7de9\u89e3 DDoS \u653b\u64ca\uff0cNginx \u63d0\u4f9b\u4e86\u5e7e\u7a2e\u914d\u7f6e\u9078\u9805\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u7b56\u7565\uff1a<\/p>\n

1. \u9650\u5236\u9023\u63a5\u6578<\/h3>\n

\u901a\u904e\u9650\u5236\u6bcf\u500b IP \u5730\u5740\u7684\u9023\u63a5\u6578\uff0c\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u4f86\u81ea\u55ae\u4e00\u4f86\u6e90\u7684\u6d41\u91cf\u3002\u53ef\u4ee5\u5728 Nginx \u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u78bc\uff1a<\/p>\n

http {\n    limit_conn_zone $binary_remote_addr zone=addr:10m;\n    \n    server {\n        location \/ {\n            limit_conn addr 10;  # \u6bcf\u500b IP \u6700\u591a 10 \u500b\u9023\u63a5\n        }\n    }\n}<\/code><\/pre>\n
2. \u9650\u5236\u8acb\u6c42\u901f\u7387<\/h3>\n
\u9664\u4e86\u9650\u5236\u9023\u63a5\u6578\uff0c\u9084\u53ef\u4ee5\u9650\u5236\u6bcf\u500b IP \u5730\u5740\u7684\u8acb\u6c42\u901f\u7387\u3002\u9019\u53ef\u4ee5\u9632\u6b62\u67d0\u4e9b IP \u5730\u5740\u767c\u9001\u904e\u591a\u7684\u8acb\u6c42\u3002\u4ee5\u4e0b\u662f\u914d\u7f6e\u793a\u4f8b\uff1a<\/p>\n
http {\n    limit_req_zone $binary_remote_addr zone=req_limit:10m rate=1r\/s;  # \u6bcf\u79d2\u6700\u591a 1 \u500b\u8acb\u6c42\n    \n    server {\n        location \/ {\n            limit_req zone=req_limit burst=5;  # \u7a81\u767c\u6d41\u91cf\u6700\u591a 5 \u500b\u8acb\u6c42\n        }\n    }\n}<\/code><\/pre>\n
3. \u4f7f\u7528\u9632\u706b\u7246<\/h3>\n
\u5728 Nginx \u524d\u9762\u4f7f\u7528\u9632\u706b\u7246\uff08\u5982 iptables \u6216 fail2ban\uff09\u53ef\u4ee5\u9032\u4e00\u6b65\u589e\u5f37\u5b89\u5168\u6027\u3002\u9019\u4e9b\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u904e\u6ffe\u53ef\u7591\u6d41\u91cf\uff0c\u4e26\u963b\u6b62\u4f86\u81ea\u7279\u5b9a IP \u5730\u5740\u7684\u8acb\u6c42\u3002<\/p>\n
4. \u555f\u7528\u7de9\u5b58<\/h3>\n
\u555f\u7528\u7de9\u5b58\u53ef\u4ee5\u6e1b\u5c11\u4f3a\u670d\u5668\u7684\u8ca0\u64d4\uff0c\u5f9e\u800c\u63d0\u9ad8\u5176\u62b5\u6297 DDoS \u653b\u64ca\u7684\u80fd\u529b\u3002Nginx \u7684\u7de9\u5b58\u529f\u80fd\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u914d\u7f6e\u555f\u7528\uff1a<\/p>\n
http {\n    proxy_cache_path \/tmp\/nginx_cache levels=1:2 keys_zone=my_cache:10m max_size=1g inactive=60m use_temp_path=off;\n    \n    server {\n        location \/ {\n            proxy_cache my_cache;\n            proxy_pass http:\/\/backend;\n        }\n    }\n}<\/code><\/pre>\n
5. \u4f7f\u7528\u7b2c\u4e09\u65b9\u670d\u52d9<\/h3>\n
\u9664\u4e86 Nginx \u7684\u5167\u5efa\u529f\u80fd\uff0c\u9084\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u7b2c\u4e09\u65b9 DDoS \u7de9\u89e3\u670d\u52d9\uff0c\u5982 Cloudflare \u6216 Akamai\u3002\u9019\u4e9b\u670d\u52d9\u53ef\u4ee5\u5728\u6d41\u91cf\u5230\u9054\u4f3a\u670d\u5668\u4e4b\u524d\u904e\u6ffe\u6389\u60e1\u610f\u6d41\u91cf\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u5728\u7576\u524d\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0cDDoS \u653b\u64ca\u5c0d\u65bc\u4efb\u4f55\u5728\u7dda\u696d\u52d9\u90fd\u662f\u4e00\u500b\u6f5b\u5728\u7684\u5a01\u8105\u3002\u901a\u904e\u5408\u7406\u914d\u7f6e Nginx \u7684\u5b89\u5168\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u9019\u985e\u653b\u64ca\u5c0d\u4f3a\u670d\u5668\u7684\u5f71\u97ff\u3002\u7121\u8ad6\u662f\u9650\u5236\u9023\u63a5\u6578\u3001\u8acb\u6c42\u901f\u7387\uff0c\u9084\u662f\u4f7f\u7528\u9632\u706b\u7246\u548c\u7de9\u5b58\uff0c\u9019\u4e9b\u63aa\u65bd\u90fd\u80fd\u589e\u5f37\u4f3a\u670d\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 \u9999\u6e2f VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u4fdd\u8b77\u60a8\u7684\u696d\u52d9\u514d\u53d7 DDoS \u653b\u64ca\u7684\u5f71\u97ff\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3\u5982\u4f55\u5728 Nginx \u4e2d\u8a2d\u7f6e DDoS \u7de9\u89e3\u7b56\u7565\uff0c\u589e\u5f37\u7db2\u7ad9\u5b89\u5168\u6027\uff0c\u4fdd\u8b77\u4f3a\u670d\u5668\u514d\u53d7\u653b\u64ca\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-50619","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/50619","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=50619"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/50619\/revisions"}],"predecessor-version":[{"id":50620,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/50619\/revisions\/50620"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=50619"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=50619"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=50619"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}