{"id":294776,"date":"2024-05-20T15:18:57","date_gmt":"2024-05-20T07:18:57","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/294776.html"},"modified":"2024-05-20T15:19:20","modified_gmt":"2024-05-20T07:19:20","slug":"nginx-%e5%a6%82%e4%bd%95%e9%98%b2%e5%be%a1-ddos-%e6%94%bb%e5%87%bb","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/294776.html","title":{"rendered":"Nginx \u5982\u4f55\u9632\u5fa1 DDOS \u653b\u51fb"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/27141915\/e5dec750-9970-4897-b9a4-8cd9b2185812.webp\" alt=\"Nginx \u5982\u4f55\u9632\u5fa1 DDOS \u653b\u51fb\" \/><\/p>\n<p><p>Nginx\u4f5c\u4e3a\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684Web\u670d\u52a1\u5668\u548c\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\uff0c\u5728\u5904\u7406DDOS\uff08\u5206\u5e03\u5f0f\u62d2\u7edd\u670d\u52a1\uff09\u653b\u51fb\u65b9\u9762\u5177\u6709\u4e00\u5b9a\u7684\u4f18\u52bf\u3002\u8981\u6709\u6548\u9632\u5fa1DDOS\u653b\u51fb\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<strong>\u9650\u5236\u8fde\u63a5\u6570\u3001\u8bbe\u7f6e\u5408\u7406\u7684\u8d85\u65f6\u65f6\u95f4\u3001\u4f7f\u7528HTTP\u9650\u6d41\u3001\u542f\u7528\u5931\u8d25\u5c1d\u8bd5\u7684\u9650\u5236<\/strong>\u3002 among these strategies, <strong>\u9650\u5236\u8fde\u63a5\u6570<\/strong> \u662f\u6700\u76f4\u63a5\u6709\u6548\u7684\u65b9\u6cd5\u4e4b\u4e00\uff0c\u5b83\u901a\u8fc7\u9650\u5236\u6bcf\u4e2a\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u6570\u6765\u51cf\u5c11\u6076\u610f\u6d41\u91cf\uff0c\u6709\u6548\u7f13\u89e3DDOS\u653b\u51fb\u7684\u5f71\u54cd\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u9650\u5236\u8fde\u63a5\u6570<\/h3>\n<\/p>\n<p><p>\u9650\u5236\u8fde\u63a5\u6570\u4e3b\u8981\u662f\u901a\u8fc7<code>limit_conn_module<\/code>\u6a21\u5757\u6765\u5b9e\u73b0\u3002\u8fd9\u4e2a\u6a21\u5757\u53ef\u4ee5\u9650\u5236\u6765\u81ea\u5355\u4e2aIP\u5730\u5740\u7684\u5e76\u53d1\u8fde\u63a5\u6570\uff0c\u6709\u52a9\u4e8e\u51cf\u8f7b\u6076\u610f\u7528\u6237\u7684\u51b2\u51fb\u3002<\/p>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u9700\u8981\u5728Nginx\u7684\u914d\u7f6e\u6587\u4ef6\uff08\u901a\u5e38\u662fnginx.conf\uff09\u4e2d\u542f\u7528<code>limit_conn_zone<\/code>\u6307\u4ee4\u6765\u5b9a\u4e49\u9650\u5236\u3002\u53ef\u4ee5\u901a\u8fc7\u5ba2\u6237\u7aef\u7684IP\u5730\u5740\u6765\u8bbe\u7f6e\u8fd9\u4e2a\u9650\u5236\uff0c\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code>http {<\/p>\n<p>    ...<\/p>\n<p>    limit_conn_zone $binary_remote_addr zone=perip:10m;<\/p>\n<p>    ...<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u6b64\u5904\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a<code>perip<\/code>\u7684\u5b58\u50a8\u533a\u57df\uff0c\u5927\u5c0f\u4e3a10MB\uff0c\u8db3\u4ee5\u8ddf\u8e2a\u6210\u5343\u4e0a\u4e07\u7684IP\u5730\u5740\u3002\u7136\u540e\uff0c\u5728\u9700\u8981\u9650\u5236\u8fde\u63a5\u6570\u7684\u4f4d\u7f6e\uff08\u5982\u5728server\u6216location\u5757\u4e2d\uff09\u4f7f\u7528<code>limit_conn<\/code>\u6307\u4ee4\uff1a<\/p>\n<\/p>\n<p><pre><code>server {<\/p>\n<p>    ...<\/p>\n<p>    limit_conn perip 5;<\/p>\n<p>    ...<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u8868\u793a\u6bcf\u4e2aIP\u5730\u5740\u540c\u65f6\u5141\u8bb8\u7684\u6700\u5927\u8fde\u63a5\u6570\u4e3a5\u3002\u5f53\u8bf7\u6c42\u8d85\u8fc7\u6b64\u9650\u5236\u65f6\uff0cNginx\u4f1a\u8fd4\u56de503\u9519\u8bef\u7801\uff08\u670d\u52a1\u4e0d\u53ef\u7528\uff09\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u8bbe\u7f6e\u5408\u7406\u7684\u8d85\u65f6\u65f6\u95f4<\/h3>\n<\/p>\n<p><p>\u5c06Keep-Alive\u8d85\u65f6\u65f6\u95f4\u8bbe\u7f6e\u5f97\u5f53\uff0c\u53ef\u4ee5\u9632\u6b62\u6076\u610f\u8fde\u63a5\u957f\u65f6\u95f4\u5360\u7528\u670d\u52a1\u5668\u8d44\u6e90\u3002\u901a\u8fc7\u8c03\u6574<code>keepalive_timeout<\/code>\u6307\u4ee4\u7684\u503c\u53ef\u4ee5\u5b9e\u73b0\u3002<\/p>\n<\/p>\n<p><pre><code>http {<\/p>\n<p>    ...<\/p>\n<p>    keepalive_timeout 20s;<\/p>\n<p>    ...<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u4e2a\u914d\u7f6e\u6307\u5b9a\u4e86\u670d\u52a1\u5668\u7aef\u4fdd\u6301keep-alive\u8fde\u63a5\u7684\u6700\u5927\u65f6\u95f4\u4e3a20\u79d2\uff0c\u6709\u52a9\u4e8e\u91ca\u653e\u957f\u65f6\u95f4\u672a\u6d3b\u52a8\u7684\u8fde\u63a5\uff0c\u4ece\u800c\u4e3a\u5176\u4ed6\u6b63\u5e38\u7528\u6237\u7559\u51fa\u66f4\u591a\u7684\u8d44\u6e90\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u4f7f\u7528HTTP\u9650\u6d41<\/h3>\n<\/p>\n<p><p>Nginx\u901a\u8fc7<code>limit_req_module<\/code>\u6a21\u5757\u63d0\u4f9bHTTP\u8bf7\u6c42\u7684\u9650\u5236\u529f\u80fd\uff0c\u53ef\u4ee5\u9650\u5236\u6765\u81ea\u5355\u4e2aIP\u5730\u5740\u7684\u8bf7\u6c42\u7387\uff0c\u9632\u6b62\u6076\u610f\u7684\u9ad8\u9891\u8bf7\u6c42\u3002<\/p>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u5728http\u5757\u4e2d\u4f7f\u7528<code>limit_req_zone<\/code>\u6307\u4ee4\u5b9a\u4e49\u9650\u5236\uff1a<\/p>\n<\/p>\n<p><pre><code>http {<\/p>\n<p>    ...<\/p>\n<p>    limit_req_zone $binary_remote_addr zone=one:10m rate=1r\/s;<\/p>\n<p>    ...<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u91cc\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a<code>one<\/code>\u7684\u533a\u57df\uff0c\u5141\u8bb8\u6bcf\u4e2aIP\u6bcf\u79d2\u53d1\u90011\u4e2a\u8bf7\u6c42\u3002\u7136\u540e\uff0c\u5728server\u6216location\u4e2d\u5f15\u7528\u8be5\u9650\u5236\uff1a<\/p>\n<\/p>\n<p><pre><code>location \/ {<\/p>\n<p>    limit_req zone=one burst=5;<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><code>burst<\/code>\u53c2\u6570\u5b9a\u4e49\u4e86\u5141\u8bb8\u8d85\u8fc7\u9650\u5236\u7684\u8bf7\u6c42\u6570\uff0c\u5373\u5728\u77ed\u65f6\u95f4\u5185\u53ef\u4ee5\u5bb9\u5fcd\u7684\u7a81\u53d1\u8bf7\u6c42\u91cf\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u542f\u7528\u5931\u8d25\u5c1d\u8bd5\u7684\u9650\u5236<\/h3>\n<\/p>\n<p><p>\u901a\u8fc7<code>limit_req_module<\/code>\u548c<code>limit_conn_module<\/code>\u6a21\u5757\uff0c\u6211\u4eec\u53ef\u4ee5\u5bf9\u6076\u610f\u8bf7\u6c42\u5b9e\u65bd\u9650\u5236\u3002\u4f46\u9664\u6b64\u4e4b\u5916\uff0c\u8fd8\u53ef\u4ee5\u5229\u7528Nginx\u7684<code>auth_basic<\/code>\u6307\u4ee4\u7ed3\u5408<code>limit_req_zone<\/code>\u6765\u9650\u5236\u5931\u8d25\u7684\u767b\u9646\u5c1d\u8bd5\u3002<\/p>\n<\/p>\n<p><pre><code>location \/login {<\/p>\n<p>    auth_basic &quot;Administrator\u2019s Area&quot;;<\/p>\n<p>    auth_basic_user_file \/etc\/nginx\/.htpasswd;<\/p>\n<p>    limit_req zone=one;<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u4e2a\u914d\u7f6e\u4e0d\u4ec5\u542f\u7528\u4e86\u57fa\u672c\u8ba4\u8bc1\u6765\u4fdd\u62a4\u767b\u5f55\u533a\u57df\uff0c\u8fd8\u5229\u7528\u4e4b\u524d\u5b9a\u4e49\u7684\u8bf7\u6c42\u9650\u5236\u6765\u51cf\u5c11\u5bc6\u7801\u731c\u6d4b\u653b\u51fb\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>1. Nginx \u5982\u4f55\u4fdd\u62a4\u7f51\u7ad9\u514d\u53d7DDoS\u653b\u51fb\u7684\u5f71\u54cd\uff1f<\/strong><\/p>\n<p>Nginx \u662f\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684Web\u670d\u52a1\u5668\u548c\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u4fdd\u62a4\u7f51\u7ad9\u514d\u53d7DDoS\u653b\u51fb\u7684\u5f71\u54cd\u3002\u9996\u5148\uff0c\u901a\u8fc7\u914d\u7f6eNginx\u7684\u9650\u5236\u5e76\u53d1\u8fde\u63a5\u6570\u548c\u8bf7\u6c42\u9891\u7387\u7684\u53c2\u6570\uff0c\u53ef\u4ee5\u9650\u5236\u6765\u81ea\u540c\u4e00IP\u5730\u5740\u7684\u8fde\u63a5\u6570\u548c\u8bf7\u6c42\u9891\u7387\uff0c\u9632\u6b62\u88ab\u6076\u610f\u8bf7\u6c42\u62d6\u57ae\u3002\u5176\u6b21\uff0c\u4f7f\u7528Nginx\u7684\u7f13\u5b58\u673a\u5236\uff0c\u53ef\u4ee5\u51cf\u8f7b\u540e\u7aef\u670d\u52a1\u5668\u7684\u538b\u529b\uff0c\u63d0\u9ad8\u7f51\u7ad9\u7684\u54cd\u5e94\u901f\u5ea6\u548c\u7a33\u5b9a\u6027\uff0c\u4ece\u800c\u62b5\u5fa1DDoS\u653b\u51fb\u3002\u8fd8\u53ef\u4ee5\u4f7f\u7528Nginx\u7684\u8d1f\u8f7d\u5747\u8861\u529f\u80fd\uff0c\u5c06\u6d41\u91cf\u5206\u6563\u5230\u591a\u4e2a\u670d\u52a1\u5668\u4e0a\uff0c\u63d0\u9ad8\u7f51\u7ad9\u7684\u53ef\u7528\u6027\u548c\u6297\u538b\u80fd\u529b\u3002\u6b64\u5916\uff0c\u7ed3\u5408\u5176\u4ed6\u5b89\u5168\u9632\u62a4\u8bbe\u5907\u6216\u670d\u52a1\uff0c\u5982\u9632\u706b\u5899\u3001DDoS\u9632\u62a4\u8bbe\u5907\u7b49\uff0c\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u4fdd\u62a4\u7f51\u7ad9\u514d\u53d7DDoS\u653b\u51fb\u3002<\/p>\n<p><strong>2. Nginx \u6709\u54ea\u4e9b\u9632\u5fa1DDoS\u653b\u51fb\u7684\u6a21\u5757\u548c\u63d2\u4ef6\uff1f<\/strong><\/p>\n<p>Nginx \u63d0\u4f9b\u4e86\u4e00\u4e9b\u53ef\u4ee5\u7528\u4e8e\u9632\u5fa1DDoS\u653b\u51fb\u7684\u6a21\u5757\u548c\u63d2\u4ef6\u3002\u5176\u4e2d\u6bd4\u8f83\u5e38\u7528\u7684\u662f<code>ngx_http_limit_req_module<\/code>\u6a21\u5757\u548c<code>ngx_http_limit_conn_module<\/code>\u6a21\u5757\u3002<code>ngx_http_limit_req_module<\/code>\u6a21\u5757\u53ef\u4ee5\u9650\u5236\u5e76\u53d1\u8bf7\u6c42\u7684\u901f\u7387\uff0c\u4ee5\u53ca\u6bcf\u4e2aIP\u5730\u5740\u7684\u8bf7\u6c42\u6570\u91cf\uff0c\u4ece\u800c\u9632\u6b62\u5927\u91cf\u8bf7\u6c42\u5bf9\u670d\u52a1\u5668\u9020\u6210\u8fc7\u5927\u7684\u538b\u529b\u3002<code>ngx_http_limit_conn_module<\/code>\u6a21\u5757\u5219\u53ef\u4ee5\u9650\u5236\u5e76\u53d1\u8fde\u63a5\u6570\uff0c\u9632\u6b62\u8fc7\u591a\u7684\u8fde\u63a5\u5bfc\u81f4\u670d\u52a1\u5668\u8d44\u6e90\u8017\u5c3d\u3002\u6b64\u5916\uff0c\u8fd8\u6709\u4e00\u4e9b\u7b2c\u4e09\u65b9\u63d2\u4ef6\uff0c\u5982<code>NAXSI<\/code>\u3001<code>ModSecurity<\/code>\u7b49\uff0c\u53ef\u4ee5\u589e\u52a0\u89c4\u5219\uff0c\u5bf9\u8bf7\u6c42\u8fdb\u884c\u8fc7\u6ee4\u548c\u68c0\u6d4b\uff0c\u4ee5\u9632\u6b62\u6076\u610f\u653b\u51fb\u3002<\/p>\n<p><strong>3. \u9664\u4e86Nginx\u7684\u914d\u7f6e\u548c\u63d2\u4ef6\uff0c\u8fd8\u6709\u54ea\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u9632\u5fa1DDoS\u653b\u51fb\uff1f<\/strong><\/p>\n<p>\u9664\u4e86\u5bf9Nginx\u8fdb\u884c\u914d\u7f6e\u548c\u4f7f\u7528\u76f8\u5173\u63d2\u4ef6\u5916\uff0c\u8fd8\u53ef\u4ee5\u91c7\u53d6\u5176\u4ed6\u63aa\u65bd\u6765\u9632\u5fa1DDoS\u653b\u51fb\u3002\u9996\u5148\uff0c\u53ef\u4ee5\u4f7f\u7528CDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u6765\u5206\u53d1\u7f51\u7ad9\u7684\u9759\u6001\u8d44\u6e90\uff0c\u5c06\u90e8\u5206\u8bbf\u95ee\u6d41\u91cf\u5206\u6d41\u5230CDN\u8282\u70b9\u4e0a\uff0c\u51cf\u8f7b\u670d\u52a1\u5668\u7684\u8d1f\u8f7d\u3002\u5176\u6b21\uff0c\u53ef\u4ee5\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\uff0c\u901a\u8fc7\u8fc7\u6ee4\u548c\u963b\u6b62\u53ef\u7591\u8bf7\u6c42\uff0c\u51cf\u5c11\u5bf9\u670d\u52a1\u5668\u7684\u653b\u51fb\u3002\u53e6\u5916\uff0c\u4f7f\u7528\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\uff0c\u5982Cloudflare\u7b49\uff0c\u53ef\u4ee5\u5c06\u6d41\u91cf\u5f15\u5bfc\u5230\u4ee3\u7406\u670d\u52a1\u5668\u4e0a\uff0c\u4ece\u800c\u8fc7\u6ee4\u6389\u6076\u610f\u8bf7\u6c42\u548cDDoS\u653b\u51fb\u3002\u6700\u540e\uff0c\u5efa\u8bae\u76d1\u63a7\u670d\u52a1\u5668\u7684\u6027\u80fd\u6307\u6807\uff0c\u53ca\u65f6\u68c0\u6d4b\u5f02\u5e38\u6d41\u91cf\u5e76\u91c7\u53d6\u76f8\u5e94\u7684\u63aa\u65bd\u5e94\u5bf9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Nginx\u4f5c\u4e3a\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684Web\u670d\u52a1\u5668\u548c\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\uff0c\u5728\u5904\u7406DDOS\uff08\u5206\u5e03\u5f0f\u62d2\u7edd\u670d\u52a1\uff09\u653b\u51fb\u65b9\u9762\u5177\u6709\u4e00\u5b9a\u7684\u4f18\u52bf [&hellip;]","protected":false},"author":3,"featured_media":294805,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/294776"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=294776"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/294776\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/294805"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=294776"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=294776"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=294776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}