{"id":32573,"date":"2026-08-12T10:00:00","date_gmt":"2026-08-12T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=32573"},"modified":"2026-08-16T18:19:48","modified_gmt":"2026-08-16T10:19:48","slug":"nginx-limit-req-rate-limiting","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/nginx-limit-req-rate-limiting\/","title":{"rendered":"Nginx \u9650\u6d41\u914d\u7f6e\u5b9e\u6218\uff1a\u7528 limit_req \u4fdd\u62a4\u767b\u5f55\u63a5\u53e3\u4e0e API"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/nginx-limit-req-rate-limiting-cover.webp\" alt=\"Nginx \u9650\u6d41\u914d\u7f6e\u5c01\u9762\" loading=\"lazy\" \/><\/p>\n<p>\u8fd9\u7bc7\u6307\u5357\u5e2e\u52a9\u4f60\u7528 Nginx\uff08\u4e00\u79cd Web \u670d\u52a1\u5668\uff09\u7684 limit_req \u6a21\u5757\u4e3a\u767b\u5f55\u63a5\u53e3\u548c API\uff08\u5e94\u7528\u7a0b\u5e8f\u63a5\u53e3\uff09\u914d\u7f6e\u901f\u7387\u9650\u5236\uff0c\u9632\u6b62\u66b4\u529b\u7834\u89e3\u548c\u9ad8\u9891\u8bf7\u6c42\u62d6\u57ae\u670d\u52a1\u3002\u9650\u6d41\u4e0d\u662f\u628a\u6240\u6709\u8bf7\u6c42\u90fd\u5361\u4f4f\uff0c\u800c\u662f\u8ba9\u6b63\u5e38\u7528\u6237\u4e0d\u53d7\u5f71\u54cd\u7684\u540c\u65f6\uff0c\u628a\u5f02\u5e38\u9ad8\u9891\u8bf7\u6c42\u6321\u5728\u95e8\u5916\u3002<\/p>\n<p>\u5982\u679c\u4f60\u5df2\u7ecf\u505a\u8fc7 <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/wordpress-security-hardening\/\">WordPress \u5b89\u5168\u52a0\u56fa<\/a>\uff0c\u9650\u6d41\u662f\u5176\u4e2d\u7684\u5e94\u7528\u5c42\u9632\u62a4\u8865\u5145\u3002Hostease \u4e2d\u6587\u535a\u5ba2\u7684 <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/wordpress-database-cleanup-query-optimization\/\">\u6570\u636e\u5e93\u4f18\u5316\u6307\u5357<\/a>\u8bb2\u4e86\u67e5\u8be2\u5c42\u9762\u7684\u6027\u80fd\uff0c\u672c\u6587\u5219\u805a\u7126\u5165\u53e3\u5c42\u9762\u7684\u6d41\u91cf\u63a7\u5236\uff1a\u600e\u4e48\u914d\u3001\u600e\u4e48\u6d4b\u3001\u600e\u4e48\u907f\u514d\u8bef\u4f24\u6b63\u5e38\u7528\u6237\u3002<\/p>\n<h2>\u4e00\u3001limit_req \u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>limit_req \u57fa\u4e8e\u4ee4\u724c\u6876\u7b97\u6cd5\u3002Nginx \u4e3a\u6bcf\u4e2a\u9650\u6d41\u952e\uff08\u901a\u5e38\u662f\u5ba2\u6237\u7aef IP\uff09\u7ef4\u62a4\u4e00\u4e2a\u8bf7\u6c42\u6876\uff0c\u6309\u8bbe\u5b9a\u901f\u7387\u5f80\u6876\u91cc\u653e\u4ee4\u724c\uff0c\u8bf7\u6c42\u6765\u65f6\u5982\u679c\u6876\u91cc\u6709\u4ee4\u724c\u5c31\u653e\u884c\uff0c\u6ca1\u6709\u5c31\u6392\u961f\u6216\u62d2\u7edd\u3002\u4e24\u4e2a\u6838\u5fc3\u53c2\u6570\u51b3\u5b9a\u9650\u6d41\u884c\u4e3a\uff1a<\/p>\n<ul>\n<li><strong>rate<\/strong>\uff1a\u4ee4\u724c\u586b\u5145\u901f\u7387\uff0c\u5982 10r\/s \u8868\u793a\u6bcf\u79d2\u653e 10 \u4e2a\u4ee4\u724c\u3002<\/li>\n<li><strong>burst<\/strong>\uff1a\u7a81\u53d1\u961f\u5217\u957f\u5ea6\uff0c\u5141\u8bb8\u77ed\u65f6\u95f4\u8d85\u8fc7\u901f\u7387\u7684\u8bf7\u6c42\u6392\u961f\u7b49\u5f85\uff0c\u800c\u4e0d\u662f\u7acb\u5373\u62d2\u7edd\u3002<\/li>\n<\/ul>\n<p>\u7406\u89e3 burst \u5f88\u5173\u952e\uff1arate \u8bbe\u4e3a 10r\/s \u4f46\u7528\u6237\u5728 100ms \u5185\u53d1\u4e86 5 \u4e2a\u8bf7\u6c42\uff0c\u5982\u679c\u6ca1\u6709 burst\uff0c\u540e 4 \u4e2a\u4f1a\u88ab\u62d2\u7edd\u3002\u8bbe burst=5 \u540e\uff0c\u8fd9 5 \u4e2a\u8bf7\u6c42\u4f1a\u6392\u961f\u6309\u901f\u7387\u5904\u7406\uff0c\u4e0d\u4f1a\u7acb\u5373\u62d2\u7edd\u4f46\u4f1a\u5ef6\u8fdf\u3002\u5982\u679c\u6392\u961f\u4e5f\u6ee1\u4e86\uff0c\u624d\u4f1a\u8fd4\u56de 503\u3002<\/p>\n<h2>\u4e8c\u3001\u4e3a\u767b\u5f55\u63a5\u53e3\u914d\u7f6e\u9650\u6d41<\/h2>\n<p>\u767b\u5f55\u63a5\u53e3\u662f\u66b4\u529b\u7834\u89e3\u7684\u4e3b\u8981\u76ee\u6807\u3002\u4ee5\u4e0b\u914d\u7f6e\u9650\u5236\u6bcf\u4e2a IP \u6bcf\u79d2\u6700\u591a 1 \u6b21\u767b\u5f55\u8bf7\u6c42\uff0c\u7a81\u53d1\u6700\u591a 5 \u6b21\u6392\u961f\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">http {\n    limit_req_zone $binary_remote_addr zone=login:10m rate=1r\/s;\n}\nserver {\n    location \/wp-login.php {\n        limit_req zone=login burst=5 nodelay;\n        proxy_pass http:\/\/backend;\n    }\n}<\/pre>\n<p>nodelay \u53c2\u6570\u8ba9 burst \u5185\u7684\u8bf7\u6c42\u7acb\u5373\u5904\u7406\u800c\u4e0d\u662f\u6392\u961f\u7b49\u5f85\uff0c\u9002\u5408\u767b\u5f55\u573a\u666f\uff1a\u6b63\u5e38\u7528\u6237\u5076\u5c14\u5feb\u901f\u91cd\u8bd5\u4e0d\u4f1a\u88ab\u5ef6\u8fdf\uff0c\u4f46\u8fde\u7eed\u9ad8\u9891\u8bf7\u6c42\u4f1a\u88ab\u9650\u6d41\u300210m \u7684\u5171\u4eab\u5185\u5b58\u533a\u53ef\u4ee5\u8bb0\u5f55\u7ea6 16 \u4e07\u4e2a IP\uff0c\u5bf9\u4e8e\u4e2d\u5c0f\u7ad9\u70b9\u8db3\u591f\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/nginx-limit-req-rate-limiting-flow.webp\" alt=\"\u9650\u6d41\u53c2\u6570\u4e0e\u8bf7\u6c42\u5904\u7406\u6d41\u7a0b\" loading=\"lazy\" \/><\/p>\n<h2>\u4e09\u3001\u4e3a API \u914d\u7f6e\u9650\u6d41<\/h2>\n<p>API \u9650\u6d41\u9700\u8981\u66f4\u7cbe\u7ec6\u7684\u7b56\u7565\u3002\u4e0d\u540c\u63a5\u53e3\u7684\u5408\u7406\u901f\u7387\u4e0d\u540c\uff1a\u67e5\u8be2\u7c7b\u53ef\u4ee5\u5bbd\u677e\uff0c\u5199\u5165\u7c7b\u9700\u8981\u4e25\u683c\u3002\u53ef\u4ee5\u7528 location \u5206\u522b\u914d\u7f6e\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">limit_req_zone $binary_remote_addr zone=api_read:10m rate=20r\/s;\nlimit_req_zone $binary_remote_addr zone=api_write:10m rate=5r\/s;\n\nlocation \/api\/v1\/query {\n    limit_req zone=api_read burst=10 nodelay;\n    proxy_pass http:\/\/backend;\n}\nlocation \/api\/v1\/update {\n    limit_req zone=api_write burst=3 nodelay;\n    proxy_pass http:\/\/backend;\n}<\/pre>\n<p>\u67e5\u8be2\u63a5\u53e3\u8bbe\u4e3a 20r\/s \u5141\u8bb8\u8f83\u9ad8\u5e76\u53d1\uff0c\u5199\u5165\u63a5\u53e3\u8bbe\u4e3a 5r\/s \u66f4\u4fdd\u5b88\u3002burst \u5206\u522b\u8bbe\u4e3a 10 \u548c 3\uff0c\u8ba9\u6b63\u5e38\u6279\u5904\u7406\u8bf7\u6c42\u53ef\u4ee5\u77ed\u65f6\u95f4\u7a81\u53d1\u3002\u5982\u679c\u4f60\u7684 API \u540e\u7aef\u8fde\u4e86\u6570\u636e\u5e93\uff0c\u5199\u5165\u9650\u6d41\u8fd8\u80fd\u95f4\u63a5\u4fdd\u62a4\u6570\u636e\u5e93\uff0c\u907f\u514d\u9ad8\u9891\u5199\u5165\u62d6\u6162\u67e5\u8be2\uff0c\u8fd9\u70b9\u548c <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/mysql-slow-query-analysis\/\">MySQL \u6162\u67e5\u8be2\u6cbb\u7406<\/a>\u914d\u5408\u6548\u679c\u66f4\u597d\u3002<\/p>\n<h2>\u56db\u3001\u907f\u514d\u8bef\u4f24\u6b63\u5e38\u7528\u6237<\/h2>\n<p>\u9650\u6d41\u6700\u5bb9\u6613\u51fa\u95ee\u9898\u662f\u8bef\u4f24\u3002\u4ee5\u4e0b\u573a\u666f\u9700\u8981\u6ce8\u610f\uff1aNAT \u51fa\u53e3 IP \u5171\u4eab\u65f6\uff0c\u591a\u4e2a\u7528\u6237\u7684\u8bf7\u6c42\u5408\u5e76\u5230\u4e00\u4e2a IP\uff0c\u5355\u4e2a IP \u901f\u7387\u9650\u5236\u4f1a\u628a\u6b63\u5e38\u7528\u6237\u4e5f\u9650\u4f4f\u3002\u89e3\u51b3\u65b9\u6cd5\u662f\u63d0\u9ad8 rate \u6216\u7528\u66f4\u7cbe\u7ec6\u7684\u9650\u6d41\u952e\uff08\u5982 IP \u52a0 URI\u3001IP \u52a0 API key\uff09\u3002\u79fb\u52a8\u7aef\u7528\u6237\u5728\u5f31\u7f51\u4e0b\u4f1a\u81ea\u52a8\u91cd\u8bd5\u5931\u8d25\u8bf7\u6c42\uff0c\u5982\u679c\u9650\u6d41\u628a\u8fd9\u4e9b\u91cd\u8bd5\u4e5f\u62d2\u7edd\u4e86\uff0c\u7528\u6237\u4f53\u9a8c\u4f1a\u5f88\u5dee\u3002\u5efa\u8bae\u79fb\u52a8\u7aef\u63a5\u53e3\u7684 burst \u8bbe\u5f97\u6bd4\u684c\u9762\u7aef\u66f4\u5bbd\u677e\uff0c\u5bb9\u5fcd\u7f51\u7edc\u6296\u52a8\u5bfc\u81f4\u7684\u5408\u7406\u91cd\u8bd5\u3002<\/p>\n<p>\u53e6\u4e00\u4e2a\u5e38\u89c1\u8bef\u4f24\u573a\u666f\u662f\u641c\u7d22\u5f15\u64ce\u722c\u866b\u3002\u722c\u866b\u7684\u9ad8\u9891\u6293\u53d6\u53ef\u80fd\u89e6\u53d1\u9650\u6d41\uff0c\u5bfc\u81f4\u9875\u9762\u4e0d\u88ab\u7d22\u5f15\u3002\u53ef\u4ee5\u5728\u9650\u6d41\u89c4\u5219\u524d\u7528 map \u5339\u914d\u722c\u866b User-Agent \u5e76\u653e\u884c\uff0c\u6216\u8005\u4e3a\u722c\u866b\u5355\u72ec\u914d\u7f6e\u66f4\u5bbd\u677e\u7684 rate\u3002\u4f46\u8981\u6ce8\u610f\u4e0d\u8981\u5b8c\u5168\u514d\u9664\u722c\u866b\u9650\u6d41\uff0c\u6076\u610f\u722c\u866b\u53ef\u4ee5\u4f2a\u9020 User-Agent \u7ed5\u8fc7\u9632\u62a4\u3002\u5efa\u8bae\u7ed3\u5408\u8bf7\u6c42\u9891\u7387\u548c\u8bbf\u95ee\u6a21\u5f0f\u7efc\u5408\u5224\u65ad\uff0c\u800c\u4e0d\u662f\u53ea\u770b User-Agent \u6807\u8bc6\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u9650\u6d41\u952e<\/th>\n<th>\u7cbe\u5ea6<\/th>\n<th>\u9002\u7528\u573a\u666f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>$binary_remote_addr<\/td>\n<td>IP \u7ea7<\/td>\n<td>\u901a\u7528\u9632\u62a4<\/td>\n<\/tr>\n<tr>\n<td>$binary_remote_addr$uri<\/td>\n<td>IP + \u8def\u5f84<\/td>\n<td>\u533a\u5206\u63a5\u53e3\u901f\u7387<\/td>\n<\/tr>\n<tr>\n<td>$http_x_api_key<\/td>\n<td>API key \u7ea7<\/td>\n<td>\u591a\u79df\u6237 API<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>CDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u573a\u666f\u4e0b\uff0c\u6240\u6709\u8bf7\u6c42\u7684\u6765\u6e90 IP \u90fd\u662f CDN \u8282\u70b9 IP\uff0c\u76f4\u63a5\u7528 IP \u9650\u6d41\u4f1a\u628a CDN \u8282\u70b9\u7684\u6240\u6709\u7528\u6237\u5408\u5e76\u9650\u6d41\u3002\u6b64\u65f6\u9700\u8981\u7528 <code>$http_x_real_ip<\/code> \u6216 <code>$http_x_forwarded_for<\/code> \u63d0\u53d6\u771f\u5b9e\u5ba2\u6237\u7aef IP \u4f5c\u4e3a\u9650\u6d41\u952e\u3002\u5982\u679c\u4f60\u505a\u8fc7 <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/multi-layer-cache-architecture\/\">\u591a\u5c42\u7f13\u5b58\u67b6\u6784<\/a>\u914d\u7f6e\uff0cCDN \u56de\u6e90\u65f6\u7684\u9650\u6d41\u952e\u8bbe\u7f6e\u9700\u8981\u548c\u7f13\u5b58\u5c42\u7684\u771f\u5b9e IP \u4f20\u9012\u4e00\u81f4\u3002<\/p>\n<h2>\u4e94\u3001\u6d4b\u8bd5\u4e0e\u9a8c\u8bc1<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/nginx-limit-req-rate-limiting-comparison.webp\" alt=\"\u9650\u6d41\u7b56\u7565\u5bf9\u6bd4\" loading=\"lazy\" \/><\/p>\n<p>\u914d\u7f6e\u540e\u5fc5\u987b\u6d4b\u8bd5\u9a8c\u8bc1\u3002\u7528 ab\uff08Apache Benchmark\uff09\u6216 wrk \u6a21\u62df\u9ad8\u5e76\u53d1\u8bf7\u6c42\uff0c\u786e\u8ba4\u9650\u6d41\u6309\u9884\u671f\u5de5\u4f5c\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\"> ab -n 100 -c 20 https:\/\/example.com\/wp-login.php\nwrk -t4 -c20 -d10s https:\/\/example.com\/api\/v1\/query<\/pre>\n<p>\u89c2\u5bdf Nginx \u9519\u8bef\u65e5\u5fd7\u4e2d\u7684 limiting requests \u4fe1\u606f\uff0c\u786e\u8ba4\u8d85\u9650\u8bf7\u6c42\u88ab\u8bb0\u5f55\u548c\u62d2\u7edd\u3002\u6b63\u5e38\u7528\u6237\u7684\u8bf7\u6c42\u4e0d\u5e94\u51fa\u73b0\u5728\u9650\u6d41\u65e5\u5fd7\u4e2d\u3002\u5982\u679c\u6b63\u5e38\u7528\u6237\u4e5f\u88ab\u9650\u6d41\uff0c\u8bf4\u660e rate \u6216 burst \u592a\u4f4e\uff0c\u9700\u8981\u8c03\u6574\u3002\u6d4b\u8bd5\u65f6\u5efa\u8bae\u5148\u8bbe\u5bbd\u677e\u53c2\u6570\uff0c\u9010\u6b65\u6536\u7d27\u5230\u76ee\u6807\u503c\uff0c\u89c2\u5bdf\u4e1a\u52a1\u662f\u5426\u6b63\u5e38\u3002<\/p>\n<p>\u9664\u4e86\u5373\u65f6\u6d4b\u8bd5\uff0c\u957f\u671f\u76d1\u63a7\u4e5f\u5f88\u91cd\u8981\u3002\u9650\u6d41\u914d\u7f6e\u4e0a\u7ebf\u540e\u5e94\u8be5\u5728\u65e5\u5fd7\u5206\u6790\u5e73\u53f0\u7edf\u8ba1\u6bcf\u65e5\u88ab\u9650\u6d41\u7684\u8bf7\u6c42\u6570\u91cf\u548c\u6d89\u53ca\u7684 IP\u3002\u5982\u679c\u67d0\u4e2a IP \u88ab\u9891\u7e41\u9650\u6d41\u4f46\u4e1a\u52a1\u6ca1\u6709\u5f02\u5e38\u62a5\u544a\uff0c\u53ef\u80fd\u662f\u8be5 IP \u540e\u9762\u7684\u7528\u6237\u6709\u5408\u7406\u7684\u9ad8\u9891\u9700\u6c42\uff08\u5982\u6279\u91cf\u64cd\u4f5c\u6216\u8f6e\u8be2\uff09\uff0c\u9700\u8981\u5728\u9650\u6d41\u7b56\u7565\u4e2d\u4e3a\u8fd9\u7c7b\u573a\u666f\u7559\u51fa\u4f59\u91cf\u6216\u7528\u767d\u540d\u5355\u653e\u884c\u3002\u540c\u65f6\u8981\u76d1\u63a7 503 \u9519\u8bef\u7387\uff0c\u5982\u679c\u9650\u6d41\u5bfc\u81f4 503 \u9519\u8bef\u660e\u663e\u589e\u52a0\uff0c\u8bf4\u660e\u53c2\u6570\u8fc7\u4e8e\u4e25\u683c\u3002\u9650\u6d41\u53c2\u6570\u4e0d\u662f\u4e00\u6b21\u914d\u597d\u5c31\u4e0d\u7528\u6539\u7684\uff0c\u4e1a\u52a1\u6d41\u91cf\u589e\u957f\u540e\u9700\u8981\u5b9a\u671f\u590d\u6838\u548c\u8c03\u6574\u3002<\/p>\n<p>\u5982\u679c\u4f60\u7684\u670d\u52a1\u5728 <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/container-security-hardening\/\">\u5bb9\u5668\u5b89\u5168\u52a0\u56fa<\/a>\u540e\u7684\u73af\u5883\u4e2d\u8fd0\u884c\uff0cNginx 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