{"id":50737,"date":"2024-10-08T13:22:37","date_gmt":"2024-10-08T05:22:37","guid":{"rendered":"https:\/\/server.hk\/cnblog\/50737\/"},"modified":"2024-10-08T13:22:37","modified_gmt":"2024-10-08T05:22:37","slug":"nginx-%e6%8c%87%e4%bb%a4%ef%bc%9alimit_req-%ef%bc%88%e9%99%90%e5%88%b6%e8%ab%8b%e6%b1%82%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/50737\/","title":{"rendered":"Nginx \u6307\u4ee4\uff1alimit_req \uff08\u9650\u5236\u8acb\u6c42\uff09"},"content":{"rendered":"<h1 id=\"nginx-%e6%8c%87%e4%bb%a4%ef%bc%9alimit_req-%ef%bc%88%e9%99%90%e5%88%b6%e8%ab%8b%e6%b1%82%ef%bc%89-einPWRoOBf\">Nginx \u6307\u4ee4\uff1alimit_req \uff08\u9650\u5236\u8acb\u6c42\uff09<\/h1>\n<p>Nginx \u662f\u4e00\u6b3e\u9ad8\u6548\u80fd\u7684\u7db2\u9801\u4f3a\u670d\u5668\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5f0f\u4e2d\u3002\u96a8\u8457\u7db2\u8def\u6d41\u91cf\u7684\u589e\u52a0\uff0c\u4f3a\u670d\u5668\u9762\u81e8\u7684\u6311\u6230\u4e5f\u96a8\u4e4b\u589e\u591a\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u8acb\u6c42\u6642\u3002\u70ba\u4e86\u4fdd\u8b77\u4f3a\u670d\u5668\u8cc7\u6e90\uff0cNginx \u63d0\u4f9b\u4e86\u591a\u7a2e\u6307\u4ee4\uff0c\u5176\u4e2d <code>limit_req<\/code> \u6307\u4ee4\u662f\u7528\u4f86\u9650\u5236\u8acb\u6c42\u7684\u983b\u7387\uff0c\u5f9e\u800c\u9632\u6b62\u904e\u8f09\u548c\u6f5b\u5728\u7684\u62d2\u7d55\u670d\u52d9\u653b\u64ca\uff08DoS\uff09\u3002<\/p>\n<h2 id=\"limit_req-%e6%8c%87%e4%bb%a4%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-einPWRoOBf\">limit_req \u6307\u4ee4\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p><code>limit_req<\/code> \u6307\u4ee4\u7684\u4e3b\u8981\u529f\u80fd\u662f\u9650\u5236\u7279\u5b9a\u6642\u9593\u5167\u7684\u8acb\u6c42\u6578\u91cf\u3002\u9019\u5c0d\u65bc\u9632\u6b62\u67d0\u4e9b\u7528\u6236\u6216\u6a5f\u5668\u904e\u5ea6\u8acb\u6c42\u4f3a\u670d\u5668\u8cc7\u6e90\u975e\u5e38\u6709\u6548\u3002\u900f\u904e\u8a2d\u7f6e\u8acb\u6c42\u901f\u7387\uff0c\u4f3a\u670d\u5668\u53ef\u4ee5\u66f4\u597d\u5730\u7ba1\u7406\u6d41\u91cf\uff0c\u78ba\u4fdd\u6240\u6709\u7528\u6236\u90fd\u80fd\u7372\u5f97\u7a69\u5b9a\u7684\u670d\u52d9\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-limit_req-%e6%8c%87%e4%bb%a4-einPWRoOBf\">\u5982\u4f55\u4f7f\u7528 limit_req \u6307\u4ee4<\/h2>\n<p>\u8981\u4f7f\u7528 <code>limit_req<\/code> \u6307\u4ee4\uff0c\u9996\u5148\u9700\u8981\u5728 Nginx \u914d\u7f6e\u6587\u4ef6\u4e2d\u5b9a\u7fa9\u4e00\u500b\u5171\u4eab\u7684\u8a18\u61b6\u9ad4\u5340\u57df\uff0c\u7136\u5f8c\u518d\u8a2d\u7f6e\u8acb\u6c42\u9650\u5236\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u7684\u914d\u7f6e\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>http {\n    # \u5b9a\u7fa9\u4e00\u500b\u5171\u4eab\u8a18\u61b6\u9ad4\u5340\u57df\n    limit_req_zone $binary_remote_addr zone=one:10m rate=1r\/s;\n\n    server {\n        listen 80;\n        server_name example.com;\n\n        location \/ {\n            # \u61c9\u7528\u8acb\u6c42\u9650\u5236\n            limit_req zone=one burst=5 nodelay;\n            proxy_pass http:\/\/backend;\n        }\n    }\n}<\/code><\/pre>\n<h3 id=\"%e9%85%8d%e7%bd%ae%e8%aa%aa%e6%98%8e-einPWRoOBf\">\u914d\u7f6e\u8aaa\u660e<\/h3>\n<ul>\n<li><code>limit_req_zone<\/code>: \u5b9a\u7fa9\u4e00\u500b\u540d\u70ba <code>one<\/code> \u7684\u5171\u4eab\u8a18\u61b6\u9ad4\u5340\u57df\uff0c\u5927\u5c0f\u70ba 10MB\uff0c\u4e26\u8a2d\u7f6e\u6bcf\u79d2\u5141\u8a31 1 \u6b21\u8acb\u6c42\u3002<\/li>\n<li><code>limit_req<\/code>: \u5728\u6307\u5b9a\u7684 <code>location<\/code> \u4e2d\u61c9\u7528\u8acb\u6c42\u9650\u5236\uff0c<code>burst=5<\/code> \u8868\u793a\u5728\u77ed\u6642\u9593\u5167\u53ef\u4ee5\u63a5\u53d7\u6700\u591a 5 \u6b21\u7a81\u767c\u8acb\u6c42\uff0c\u800c <code>nodelay<\/code> \u5247\u8868\u793a\u4e0d\u6703\u5ef6\u9072\u9019\u4e9b\u7a81\u767c\u8acb\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"limit_req-%e7%9a%84%e5%8f%83%e6%95%b8%e8%a7%a3%e9%87%8b-einPWRoOBf\">limit_req \u7684\u53c3\u6578\u89e3\u91cb<\/h2>\n<p>\u5728\u4f7f\u7528 <code>limit_req<\/code> \u6307\u4ee4\u6642\uff0c\u6709\u5e7e\u500b\u91cd\u8981\u7684\u53c3\u6578\u9700\u8981\u4e86\u89e3\uff1a<\/p>\n<ul>\n<li><code>zone<\/code>: \u6307\u5b9a\u4f7f\u7528\u7684\u5171\u4eab\u8a18\u61b6\u9ad4\u5340\u57df\u3002<\/li>\n<li><code>burst<\/code>: \u5141\u8a31\u7684\u7a81\u767c\u8acb\u6c42\u6578\u91cf\uff0c\u8d85\u904e\u9019\u500b\u6578\u91cf\u7684\u8acb\u6c42\u5c07\u6703\u88ab\u62d2\u7d55\u6216\u5ef6\u9072\u3002<\/li>\n<li><code>nodelay<\/code>: \u5982\u679c\u8a2d\u7f6e\uff0c\u7a81\u767c\u8acb\u6c42\u5c07\u4e0d\u6703\u88ab\u5ef6\u9072\uff0c\u800c\u662f\u7acb\u5373\u8655\u7406\u3002<\/li>\n<li><code>delay<\/code>: \u5982\u679c\u4e0d\u8a2d\u7f6e <code>nodelay<\/code>\uff0c\u5247\u8d85\u904e <code>burst<\/code> \u7684\u8acb\u6c42\u5c07\u6703\u88ab\u5ef6\u9072\uff0c\u76f4\u5230\u53ef\u4ee5\u8655\u7406\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8-limit_req-%e7%9a%84%e5%a5%bd%e8%99%95-einPWRoOBf\">\u4f7f\u7528 limit_req \u7684\u597d\u8655<\/h2>\n<p>\u4f7f\u7528 <code>limit_req<\/code> \u6307\u4ee4\u6709\u52a9\u65bc\uff1a<\/p>\n<ul>\n<li>\u4fdd\u8b77\u4f3a\u670d\u5668\u514d\u53d7\u904e\u8f09\u5f71\u97ff\uff0c\u78ba\u4fdd\u7a69\u5b9a\u6027\u3002<\/li>\n<li>\u6e1b\u5c11\u62d2\u7d55\u670d\u52d9\u653b\u64ca\u7684\u98a8\u96aa\uff0c\u63d0\u5347\u5b89\u5168\u6027\u3002<\/li>\n<li>\u6539\u5584\u7528\u6236\u9ad4\u9a57\uff0c\u78ba\u4fdd\u6240\u6709\u7528\u6236\u90fd\u80fd\u7372\u5f97\u516c\u5e73\u7684\u8cc7\u6e90\u5206\u914d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-einPWRoOBf\">\u7d50\u8ad6<\/h2>\n<p>\u900f\u904e\u5408\u7406\u914d\u7f6e <code>limit_req<\/code> \u6307\u4ee4\uff0cNginx \u4f7f\u7528\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u4f3a\u670d\u5668\u7684\u8acb\u6c42\u6d41\u91cf\uff0c\u63d0\u5347\u4f3a\u670d\u5668\u7684\u7a69\u5b9a\u6027\u548c\u5b89\u5168\u6027\u3002\u9019\u5c0d\u65bc\u4efb\u4f55\u5e0c\u671b\u5728\u9ad8\u6d41\u91cf\u74b0\u5883\u4e2d\u904b\u884c\u7684\u7db2\u7ad9\u6216\u61c9\u7528\u7a0b\u5f0f\u4f86\u8aaa\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u80fd\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u4f3a\u670d\u5668\u6d41\u91cf\uff0c\u78ba\u4fdd\u7db2\u7ad9\u7684\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3 Nginx \u7684 limit_req \u6307\u4ee4\uff0c\u5982\u4f55\u6709\u6548\u9650\u5236\u8acb\u6c42\u901f\u7387\uff0c\u4fdd\u8b77\u4f3a\u670d\u5668\u514d\u53d7\u904e\u8f09\u653b\u64ca\uff0c\u63d0\u5347\u7db2\u7ad9\u7a69\u5b9a\u6027\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-50737","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/50737","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=50737"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/50737\/revisions"}],"predecessor-version":[{"id":50738,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/50737\/revisions\/50738"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=50737"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=50737"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=50737"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}