{"id":285658,"date":"2022-05-26T20:15:58","date_gmt":"2022-05-26T12:15:58","guid":{"rendered":"https:\/\/www.idc.net\/help\/285658\/"},"modified":"2022-05-26T20:15:58","modified_gmt":"2022-05-26T12:15:58","slug":"%e4%bd%bf%e7%94%a8nginx%e3%80%81nginx-plus%e6%8a%b5%e5%be%a1ddos%e6%94%bb%e5%87%bb","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/285658\/","title":{"rendered":"\u4f7f\u7528Nginx\u3001Nginx Plus\u62b5\u5fa1DDOS\u653b\u51fb"},"content":{"rendered":"<p>DDOS \u662f\u4e00\u79cd\u901a\u8fc7\u5927\u6d41\u91cf\u7684\u8bf7\u6c42\u5bf9\u76ee\u6807\u8fdb\u884c\u8f70\u70b8\u5f0f\u8bbf\u95ee\uff0c\u5bfc\u81f4\u63d0\u4f9b\u670d\u52a1\u7684\u670d\u52a1\u5668\u8d44\u6e90\u8017\u5c3d\u8fdb\u800c\u65e0\u6cd5\u7ee7\u7eed\u63d0\u4f9b\u670d\u52a1\u7684\u653b\u51fb\u624b\u6bb5\u3002<\/p>\n<p>\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u653b\u51fb\u8005\u901a\u8fc7\u5927\u91cf\u8bf7\u6c42\u4e0e\u8fde\u63a5\u4f7f\u670d\u52a1\u5668\u5904\u4e8e\u9971\u548c\u72b6\u6001\uff0c\u4ee5\u81f3\u4e8e\u65e0\u6cd5\u63a5\u53d7\u65b0\u7684\u8bf7\u6c42\u6216\u53d8\u5f97\u5f88\u6162\u3002<\/p>\n<p style=\"text-align: center\"><span>[[232305]]<\/span><\/p>\n<p><strong>\u4e00\u3001\u5e94\u7528\u5c42DDOS\u653b\u51fb\u7684\u7279\u5f81<\/strong><\/p>\n<p>\u5e94\u7528\u5c42(\u4e03\u5c42\/HTTP\u5c42)DDOS \u653b\u51fb\u901a\u5e38\u7531\u6728\u9a6c\u7a0b\u5e8f\u53d1\u8d77\uff0c\u5176\u53ef\u4ee5\u901a\u8fc7\u8bbe\u8ba1\u66f4\u597d\u7684\u5229\u7528\u76ee\u6807\u7cfb\u7edf\u7684\u8106\u5f31\u70b9\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u65e0\u6cd5\u5904\u7406\u5927\u91cf\u5e76\u53d1\u8bf7\u6c42\u7684\u7cfb\u7edf\uff0c\u4ec5\u4ec5\u901a\u8fc7\u5efa\u7acb\u5927\u91cf\u7684\u8fde\u63a5\uff0c\u5e76\u5468\u671f\u6027\u7684\u53d1\u51fa\u5c11\u91cf\u6570\u636e\u5305\u6765\u4fdd\u6301\u4f1a\u8bdd\u5c31\u53ef\u4ee5\u8017\u5c3d\u7cfb\u7edf\u7684\u8d44\u6e90\uff0c\u4f7f\u5176\u65e0\u6cd5\u63a5\u53d7\u65b0\u7684\u8fde\u63a5\u8bf7\u6c42\u8fbe\u5230 DDOS \u7684\u76ee\u7684\u3002\u5176\u4ed6\u8fd8\u6709\u91c7\u7528\u53d1\u9001\u5927\u91cf\u8fde\u63a5\u8bf7\u6c42\u53d1\u9001\u5927\u6570\u636e\u5305\u7684\u8bf7\u6c42\u8fdb\u884c\u653b\u51fb\u7684\u5f62\u5f0f\u3002\u56e0\u4e3a\u653b\u51fb\u662f\u7531\u6728\u9a6c\u7a0b\u5e8f\u53d1\u8d77\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5728\u5f88\u77ed\u65f6\u95f4\u5185\u5feb\u901f\u5efa\u7acb\u5927\u91cf\u7684\u8fde\u63a5\uff0c\u5e76\u53d1\u51fa\u5927\u91cf\u7684\u8bf7\u6c42\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9bDDOS\u7684\u7279\u8bc1\uff0c\u6211\u4eec\u53ef\u4ee5\u636e\u6b64\u7279\u5f81\u6765\u62b5\u6297 DDOS(\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e)\uff1a<\/p>\n<ul>\n<li>\u653b\u51fb\u7ecf\u5e38\u6765\u6e90\u4e8e\u4e00\u4e9b\u76f8\u5bf9\u56fa\u5b9a\u7684 IP \u6216 IP \u6bb5\uff0c\u6bcf\u4e2a IP \u90fd\u6709\u8fdc\u5927\u4e8e\u771f\u5b9e\u7528\u6237\u7684\u8fde\u63a5\u6570\u548c\u8bf7\u6c42\u6570\u3002(\u5907\u6ce8\uff1a\u8fd9\u5e76\u4e0d\u8868\u660e\u8fd9\u79cd\u8bf7\u6c42\u90fd\u662f\u4ee3\u8868\u7740 DDOS \u653b\u51fb\u3002\u5728\u5f88\u591a\u4f7f\u7528NAT\u7684\u7f51\u7edc\u67b6\u6784\u4e2d\uff0c\u5f88\u591a\u7684\u5ba2\u6237\u7aef\u4f7f\u7528\u7f51\u5173\u7684 IP \u5730\u5740\u8bbf\u95ee\u516c\u7f51\u8d44\u6e90\u3002\u4f46\u662f\uff0c\u5373\u4fbf\u5982\u6b64\uff0c\u8fd9\u6837\u7684\u8bf7\u6c42\u6570\u548c\u8fde\u63a5\u6570\u4e5f\u4f1a\u8fdc\u5c11\u4e8e DDOS \u653b\u51fb\u3002)<\/li>\n<li>\u56e0\u4e3a\u653b\u51fb\u662f\u7531\u6728\u9a6c\u53d1\u51fa\u4e14\u76ee\u7684\u662f\u4f7f\u670d\u52a1\u5668\u8d85\u8d1f\u8377\uff0c\u8bf7\u6c42\u7684\u9891\u7387\u4f1a\u8fdc\u8fdc\u8d85\u8fc7\u6b63\u5e38\u4eba\u7684\u8bf7\u6c42\u3002<\/li>\n<li>User-Agent \u901a\u5e38\u662f\u4e00\u4e2a\u975e\u6807\u51c6\u7684\u503c<\/li>\n<li>Referer \u6709\u65f6\u662f\u4e00\u4e2a\u5bb9\u6613\u8054\u60f3\u5230\u653b\u51fb\u7684\u503c<\/li>\n<\/ul>\n<p><strong>\u4e8c\u3001\u4f7f\u7528Nginx\u3001Nginx Plus\u62b5\u6297DDOS\u653b\u51fb<\/strong><\/p>\n<p>\u7ed3\u5408\u4e0a\u9762\u63d0\u5230\u7684 DDOS \u653b\u51fb\u7684\u7279\u5f81\uff0cNginx\u3001Nginx Plus\u6709\u5f88\u591a\u7684\u7279\u6027\u53ef\u4ee5\u7528\u6765\u6709\u6548\u7684\u9632\u5fa1 DDOS \u653b\u51fb\uff0c\u53ef\u4ee5\u4ece\u8c03\u6574\u5165\u53e3\u8bbf\u95ee\u6d41\u91cf\u548c\u63a7\u5236\u53cd\u5411\u4ee3\u7406\u5230\u540e\u7aef\u670d\u52a1\u5668\u7684\u6d41\u91cf\u4e24\u4e2a\u65b9\u9762\u6765\u8fbe\u5230\u62b5\u5fa1 DDOS \u653b\u51fb\u7684\u76ee\u7684\u3002<\/p>\n<p><strong>1. \u9650\u5236\u8bf7\u6c42\u901f\u5ea6<\/strong><\/p>\n<p>\u8bbe\u7f6e Nginx\u3001Nginx Plus \u7684\u8fde\u63a5\u8bf7\u6c42\u5728\u4e00\u4e2a\u771f\u5b9e\u7528\u6237\u8bf7\u6c42\u7684\u5408\u7406\u8303\u56f4\u5185\u3002\u6bd4\u5982\uff0c\u5982\u679c\u4f60\u89c9\u5f97\u4e00\u4e2a\u6b63\u5e38\u7528\u6237\u6bcf\u4e24\u79d2\u53ef\u4ee5\u8bf7\u6c42\u4e00\u6b21\u767b\u5f55\u9875\u9762\uff0c\u4f60\u5c31\u53ef\u4ee5\u8bbe\u7f6e Nginx \u6bcf\u4e24\u79d2\u949f\u63a5\u6536\u4e00\u4e2a\u5ba2\u6237\u7aef IP \u7684\u8bf7\u6c42(\u5927\u7ea6\u7b49\u540c\u4e8e\u6bcf\u5206\u949f30\u4e2a\u8bf7\u6c42)\u3002<\/p>\n<pre>\n \n \n \n <ol>\n  \n  \n  \n  <li><span><span>limit_req_zone&nbsp;$binary_remote_addr&nbsp;<\/span><span>zone<\/span><span>=one:10m&nbsp;<\/span><span>rate<\/span><span>=<\/span><span>30r<\/span><span>\/m;&nbsp;<\/span><\/span><\/li>\n  \n  \n  \n  <li><span>server&nbsp;{&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>...&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>location&nbsp;\/login.html&nbsp;{&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>limit_req&nbsp;<span>zone<\/span><span>=one;&nbsp;<\/span><\/span><\/li>\n  \n  \n  \n  <li><span>...&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>}&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>}&nbsp;<\/span><\/li>\n \n \n \n <\/ol><\/pre>\n<p>`limit_req_zone` \u547d\u4ee4\u8bbe\u7f6e\u4e86\u4e00\u4e2a\u53eb one \u7684\u5171\u4eab\u5185\u5b58\u533a\u6765\u5b58\u50a8\u8bf7\u6c42\u72b6\u6001\u7684\u7279\u5b9a\u952e\u503c\uff0c\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\u662f\u5ba2\u6237\u7aef IP($binary_remote_addr)\u3002location \u5757\u4e2d\u7684 `limit_req` \u901a\u8fc7\u5f15\u7528 one \u5171\u4eab\u5185\u5b58\u533a\u6765\u5b9e\u73b0\u9650\u5236\u8bbf\u95ee \/login.html \u7684\u76ee\u7684\u3002<\/p>\n<p><strong>2. \u9650\u5236\u8fde\u63a5\u6570\u91cf<\/strong><\/p>\n<p>\u8bbe\u7f6e Nginx\u3001Nginx Plus \u7684\u8fde\u63a5\u6570\u5728\u4e00\u4e2a\u771f\u5b9e\u7528\u6237\u8bf7\u6c42\u7684\u5408\u7406\u8303\u56f4\u5185\u3002\u6bd4\u5982\uff0c\u4f60\u53ef\u4ee5\u8bbe\u7f6e\u6bcf\u4e2a\u5ba2\u6237\u7aef IP \u8fde\u63a5 \/store \u4e0d\u53ef\u4ee5\u8d85\u8fc710\u4e2a\u3002<\/p>\n<pre>\n \n \n \n <ol>\n  \n  \n  \n  <li><span><span>limit_conn_zone&nbsp;$binary_remote_addr&nbsp;<\/span><span>zone<\/span><span>=<\/span><span>addr<\/span><span>:10m;&nbsp;<\/span><\/span><\/li>\n  \n  \n  \n  <li><span>server&nbsp;{&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>...&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>location&nbsp;\/store\/&nbsp;{&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>limit_conn&nbsp;addr&nbsp;10;&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>...&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>}&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>}&nbsp;<\/span><\/li>\n \n \n \n <\/ol><\/pre>\n<p>`limit_conn_zone` \u547d\u4ee4\u8bbe\u7f6e\u4e86\u4e00\u4e2a\u53eb addr \u7684\u5171\u4eab\u5185\u5b58\u533a\u6765\u5b58\u50a8\u7279\u5b9a\u952e\u503c\u7684\u72b6\u6001\uff0c\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\u662f\u5ba2\u6237\u7aef IP( $binary_remote_addr)\u3002location \u5757\u4e2d `limit_conn` \u901a\u8fc7\u5f15\u7528 addr \u5171\u4eab\u5185\u5b58\u533a\u6765\u9650\u5236\u5230 \/store\/ \u7684\u6700\u5927\u8fde\u63a5\u6570\u4e3a10\u3002<\/p>\n<p><strong>3. \u5173\u95ed\u6162\u8fde\u63a5<\/strong><\/p>\n<p>\u6709\u4e00\u4e9b DDOS \u653b\u51fb\uff0c\u6bd4\u5982 Slowlris\uff0c\u662f\u901a\u8fc7\u5efa\u7acb\u5927\u91cf\u7684\u8fde\u63a5\u5e76\u5468\u671f\u6027\u7684\u53d1\u9001\u4e00\u4e9b\u6570\u636e\u5305\u4fdd\u6301\u4f1a\u8bdd\u6765\u8fbe\u5230\u653b\u51fb\u76ee\u7684\uff0c\u8fd9\u79cd\u5468\u671f\u901a\u5e38\u4f1a\u4f4e\u4e8e\u6b63\u5e38\u7684\u8bf7\u6c42\u3002\u8fd9\u79cd\u60c5\u51b5\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5173\u95ed\u6162\u8fde\u63a5\u6765\u62b5\u5fa1\u653b\u51fb\u3002<\/p>\n<p>`client_body_timeout` \u547d\u4ee4\u7528\u6765\u5b9a\u4e49\u8bfb\u53d6\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u8d85\u65f6\u65f6\u95f4\uff0c`client_header_timeout` \u547d\u4ee4\u7528\u6765\u5b9a\u4e8e\u8bfb\u53d6\u5ba2\u6237\u7aef\u8bf7\u6c42\u5934\u7684\u8d85\u65f6\u65f6\u95f4\u3002\u8fd9\u4e24\u4e2a\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\u90fd\u662f 60s\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4e0b\u9762\u7684\u547d\u4ee4\u5c06\u4ed6\u4eec\u8bbe\u7f6e\u4e3a 5s\uff1a<\/p>\n<pre>\n \n \n \n <ol>\n  \n  \n  \n  <li><span><span>server&nbsp;{&nbsp;<\/span><\/span><\/li>\n  \n  \n  \n  <li><span>client_body_timeout&nbsp;5s;&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>client_header_timeout&nbsp;5s;&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>...&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>}&nbsp;<\/span><\/li>\n \n \n \n <\/ol><\/pre>\n<p><strong>4. \u8bbe\u7f6eIP\u9ed1\u540d\u5355<\/strong><\/p>\n<p>\u5982\u679c\u786e\u5b9a\u653b\u51fb\u6765\u6e90\u4e8e\u67d0\u4e9b IP \u5730\u5740\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u5176\u52a0\u5165\u9ed1\u540d\u5355\uff0cNginx \u5c31\u4e0d\u4f1a\u518d\u63a5\u53d7\u4ed6\u4eec\u7684\u8bf7\u6c42\u3002\u6bd4\u5982\uff0c\u4f60\u5df2\u7ecf\u786e\u5b9a\u653b\u51fb\u6765\u81ea\u4e8e\u4ece123.123.123.1\u5230123.123.123.16\u7684\u4e00\u6bb5 IP \u5730\u5740\uff0c\u4f60\u53ef\u4ee5\u8fd9\u6837\u8bbe\u7f6e\uff1a<\/p>\n<p>&nbsp;<\/p>\n<pre>\n \n \n \n <ol>\n  \n  \n  \n  <li><span><span>location&nbsp;\/&nbsp;{&nbsp;<\/span><\/span><\/li>\n  \n  \n  \n  <li><span>deny&nbsp;123.123.123.0\/28;&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>...&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>}&nbsp;<\/span><\/li>\n \n \n \n <\/ol><\/pre>\n<p>\u6216\u8005\u4f60\u786e\u5b9a\u653b\u51fb\u6765\u6e90\u4e8e123.123.123.3\u3001123.123.123.5\u3001123.123.123.7\u51e0\u4e2aIP\uff0c\u53ef\u4ee5\u8fd9\u6837\u8bbe\u7f6e\uff1a<\/p>\n<pre>\n \n \n \n <ol>\n  \n  \n  \n  <li><span><span>location&nbsp;\/&nbsp;{&nbsp;<\/span><\/span><\/li>\n  \n  \n  \n  <li><span>deny&nbsp;123.123.123.3;&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>deny&nbsp;123.123.123.5;&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>deny&nbsp;123.123.123.7;&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>...&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>}&nbsp;<\/span><\/li>\n \n \n \n <\/ol><\/pre>\n<p><strong>5. \u8bbe\u7f6eIP\u767d\u540d\u5355<\/strong><\/p>\n<p>\u5982\u679c\u4f60\u7684\u7f51\u7ad9\u4ec5\u5141\u8bb8\u7279\u5b9a\u7684 IP \u6216 IP \u6bb5\u8bbf\u95ee\uff0c\u4f60\u53ef\u4ee5\u7ed3\u5408\u4f7f\u7528 allow \u548c deny \u547d\u4ee4\u6765\u9650\u5236\u4ec5\u5141\u8bb8\u4f60\u6307\u5b9a\u7684 IP \u5730\u5740\u8bbf\u95ee\u4f60\u7684\u7f51\u7ad9\u3002\u5982\u4e0b\uff0c\u4f60\u53ef\u4ee5\u8bbe\u7f6e\u4ec5\u5141\u8bb8 192.168.1.0 \u6bb5\u7684\u5185\u7f51\u7528\u6237\u8bbf\u95ee\uff1a<\/p>\n<pre>\n \n \n \n <ol>\n  \n  \n  \n  <li><span><span>location&nbsp;\/&nbsp;{&nbsp;<\/span><\/span><\/li>\n  \n  \n  \n  <li><span>allow&nbsp;192.168.1.0\/24;&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>deny&nbsp;all;&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>...&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>}&nbsp;<\/span><\/li>\n \n \n \n <\/ol><\/pre>\n<p>deny \u547d\u4ee4\u4f1a\u62d2\u7edd\u9664\u4e86 allow \u6307\u5b9a\u7684 IP \u6bb5\u4e4b\u5916\u7684\u6240\u6709\u5176\u4ed6 IP \u7684\u8bbf\u95ee\u8bf7\u6c42\u3002<\/p>\n<p><strong>6. \u4f7f\u7528\u7f13\u5b58\u8fdb\u884c\u6d41\u91cf\u524a\u5cf0<\/strong><\/p>\n<p>\u901a\u8fc7\u6253\u5f00 Nginx \u7684\u7f13\u5b58\u529f\u80fd\u5e76\u8bbe\u7f6e\u7279\u5b9a\u7684\u7f13\u5b58\u53c2\u6570\uff0c\u53ef\u4ee5\u524a\u51cf\u6765\u81ea\u653b\u51fb\u7684\u6d41\u91cf\uff0c\u540c\u65f6\u4e5f\u53ef\u4ee5\u51cf\u8f7b\u5bf9\u540e\u7aef\u670d\u52a1\u5668\u7684\u8bf7\u6c42\u538b\u529b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6709\u7528\u7684\u8bbe\u7f6e\uff1a<\/p>\n<ul>\n<li>proxy_cache_use_stale ` \u7684 updating \u53c2\u6570\u544a\u8bc9 Nginx \u4ec0\u4e48\u65f6\u5019\u8be5\u66f4\u65b0\u6240\u7f13\u5b58\u7684\u5bf9\u8c61\u3002\u53ea\u9700\u8981\u5230\u540e\u7aef\u7684\u4e00\u4e2a\u66f4\u65b0\u8bf7\u6c42\uff0c\u5728\u7f13\u5b58\u6709\u6548\u671f\u95f4\u5ba2\u6237\u7aef\u5bf9\u8be5\u5bf9\u8c61\u7684\u8bf7\u6c42\u90fd\u65e0\u9700\u8bbf\u95ee\u540e\u7aef\u670d\u52a1\u5668\u3002\u5f53\u901a\u8fc7\u5bf9\u4e00\u4e2a\u6587\u4ef6\u7684\u9891\u7e41\u8bf7\u6c42\u6765\u5b9e\u65bd\u653b\u51fb\u65f6\uff0c\u7f13\u5b58\u529f\u80fd\u53ef\u6781\u5927\u7684\u964d\u4f4e\u5230\u540e\u7aef\u670d\u52a1\u5668\u7684\u8bf7\u6c42\u3002<\/li>\n<li>proxy_cache_key ` \u547d\u4ee4\u5b9a\u4e49\u7684\u952e\u503c\u901a\u5e38\u5305\u542b\u4e00\u4e9b\u5185\u5d4c\u7684\u53d8\u91cf(\u9ed8\u8ba4\u7684\u952e\u503c $scheme$proxy_host$request_uri \u5305\u542b\u4e86\u4e09\u4e2a\u53d8\u91cf)\u3002\u5982\u679c\u952e\u503c\u5305\u542b `$query_string` \u53d8\u91cf\uff0c\u5f53\u653b\u51fb\u7684\u8bf7\u6c42\u5b57\u7b26\u4e32\u662f\u968f\u673a\u7684\u65f6\u5019\u5c31\u4f1a\u7ed9 Nginx \u4ee3\u7406\u8fc7\u91cd\u7684\u7f13\u5b58\u8d1f\u62c5\uff0c\u56e0\u6b64\u6211\u4eec\u5efa\u8bae\u4e00\u822c\u60c5\u51b5\u4e0b\u4e0d\u8981\u5305\u542b `$query_string` \u53d8\u91cf\u3002<\/li>\n<\/ul>\n<p><strong>7. \u5c4f\u853d\u7279\u5b9a\u7684\u8bf7\u6c42<\/strong><\/p>\n<p>\u53ef\u4ee5\u8bbe\u7f6e Nginx\u3001Nginx Plus \u5c4f\u853d\u4e00\u4e9b\u7c7b\u578b\u7684\u8bf7\u6c42\uff1a<\/p>\n<ul>\n<li>\u9488\u5bf9\u7279\u5b9a URL \u7684\u8bf7\u6c42<\/li>\n<li>\u9488\u5bf9\u4e0d\u662f\u5e38\u89c1\u7684 User-Agent \u7684\u8bf7\u6c42<\/li>\n<li>\u9488\u5bf9 Referer \u5934\u4e2d\u5305\u542b\u53ef\u4ee5\u8054\u60f3\u5230\u653b\u51fb\u7684\u503c\u7684\u8bf7\u6c42<\/li>\n<li>\u9488\u5bf9\u5176\u4ed6\u8bf7\u6c42\u5934\u4e2d\u5305\u542b\u53ef\u4ee5\u8054\u60f3\u5230\u653b\u51fb\u7684\u503c\u7684\u8bf7\u6c42<\/li>\n<\/ul>\n<p>\u6bd4\u5982\uff0c\u5982\u679c\u4f60\u5224\u5b9a\u653b\u51fb\u662f\u9488\u5bf9\u4e00\u4e2a\u7279\u5b9a\u7684 URL\uff1a\/foo.php\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5c4f\u853d\u5230\u8fd9\u4e2a\u9875\u9762\u7684\u8bf7\u6c42\uff1a<\/p>\n<pre>\n \n \n \n <ol>\n  \n  \n  \n  <li><span><span>location&nbsp;\/foo.php&nbsp;{&nbsp;<\/span><\/span><\/li>\n  \n  \n  \n  <li><span>deny&nbsp;all;&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>}&nbsp;<\/span><\/li>\n \n \n \n <\/ol><\/pre>\n<p>\u6216\u8005\u4f60\u5224\u5b9a\u653b\u51fb\u8bf7\u6c42\u7684 User-Agent \u4e2d\u5305\u542b foo \u6216 bar\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u5c4f\u853d\u8fd9\u4e9b\u8bf7\u6c42\uff1a<\/p>\n<pre>\n \n \n \n <ol>\n  \n  \n  \n  <li><span><span>location&nbsp;\/&nbsp;{&nbsp;<\/span><\/span><\/li>\n  \n  \n  \n  <li><span>if&nbsp;($http_user_agent&nbsp;~*&nbsp;foo|bar)&nbsp;{&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>return&nbsp;403;&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>}&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>...&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>}&nbsp;<\/span><\/li>\n \n \n \n <\/ol><\/pre>\n<p>http_name \u53d8\u91cf\u5f15\u7528\u4e00\u4e2a\u8bf7\u6c42\u5934\uff0c\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\u662f User-Agent \u5934\u3002\u53ef\u4ee5\u9488\u5bf9\u5176\u4ed6\u7684 http \u5934\u4f7f\u7528\u7c7b\u4f3c\u7684\u65b9\u6cd5\u6765\u8bc6\u522b\u653b\u51fb\u3002<\/p>\n<p><strong>8. \u9650\u5236\u5230\u540e\u7aef\u670d\u52a1\u5668\u7684\u8fde\u63a5\u6570<\/strong><\/p>\n<p>\u4e00\u4e2a Nginx\u3001Nginx Plus \u5b9e\u4f8b\u53ef\u4ee5\u5904\u7406\u6bd4\u540e\u7aef\u670d\u52a1\u5668\u591a\u7684\u591a\u7684\u5e76\u53d1\u8bf7\u6c42\u3002\u5728 Nginx Plus \u4e2d\uff0c\u4f60\u53ef\u4ee5\u9650\u5236\u5230\u6bcf\u4e00\u4e2a\u540e\u7aef\u670d\u52a1\u5668\u7684\u8fde\u63a5\u6570\uff0c\u6bd4\u5982\u53ef\u4ee5\u8bbe\u7f6e Nginx Plus \u4e0e website upstream \u4e2d\u7684\u6bcf\u4e2a\u540e\u7aef\u670d\u52a1\u5668\u5efa\u7acb\u7684\u8fde\u63a5\u6570\u4e0d\u5f97\u8d85\u8fc7200\u4e2a\uff1a<\/p>\n<pre>\n \n \n \n <ol>\n  \n  \n  \n  <li><span><span>upstream&nbsp;website&nbsp;{&nbsp;<\/span><\/span><\/li>\n  \n  \n  \n  <li><span>server&nbsp;192.168.100.1:80&nbsp;<span>max_conns<\/span><span>=<\/span><span>200<\/span><span>;&nbsp;<\/span><\/span><\/li>\n  \n  \n  \n  <li><span>server&nbsp;192.168.100.2:80&nbsp;<span>max_conns<\/span><span>=<\/span><span>200<\/span><span>;&nbsp;<\/span><\/span><\/li>\n  \n  \n  \n  <li><span>queue&nbsp;10&nbsp;<span>timeout<\/span><span>=<\/span><span>30s<\/span><span>;&nbsp;<\/span><\/span><\/li>\n  \n  \n  \n  <li><span>}&nbsp;<\/span><\/li>\n \n \n \n <\/ol><\/pre>\n<p>`max_conns` \u53c2\u6570\u53ef\u4ee5\u9488\u5bf9\u6bcf\u4e00\u4e2a\u540e\u7aef\u670d\u52a1\u5668\u8bbe\u7f6e Nginx Plus \u53ef\u4ee5\u4e0e\u4e4b\u5efa\u7acb\u7684\u6700\u5927\u8fde\u63a5\u6570\u3002`queue` \u547d\u4ee4\u8bbe\u7f6e\u4e86\u5f53\u6bcf\u4e2a\u540e\u7aef\u670d\u52a1\u5668\u90fd\u8fbe\u5230\u6700\u5927\u8fde\u63a5\u6570\u540e\u7684\u961f\u5217\u5927\u5c0f\uff0c`timeout` \u53c2\u6570\u6307\u5b9a\u4e86\u8bf7\u6c42\u5728\u961f\u5217\u4e2d\u7684\u4fdd\u7559\u65f6\u95f4\u3002<\/p>\n<p><strong>9. \u5904\u7406\u7279\u5b9a\u7c7b\u578b\u7684\u653b\u51fb<\/strong><\/p>\n<p>\u6709\u4e00\u79cd\u653b\u51fb\u662f\u53d1\u9001\u5305\u542b\u7279\u522b\u5927\u7684\u503c\u7684\u8bf7\u6c42\u5934\uff0c\u5f15\u8d77\u670d\u52a1\u5668\u7aef\u7f13\u51b2\u533a\u6ea2\u51fa\u3002Nginx\u3001Nginx Plus \u9488\u5bf9\u8fd9\u79cd\u653b\u51fb\u7c7b\u578b\u7684\u9632\u5fa1\uff0c\u53ef\u4ee5\u53c2\u8003<\/p>\n<pre>\n \n \n \n <ol>\n  \n  \n  \n  <li><span><span>[Using&nbsp;NGINX&nbsp;and&nbsp;NGINX&nbsp;Plus&nbsp;to&nbsp;Protect&nbsp;Against&nbsp;CVE-2015-1635]&nbsp;<\/span><\/span><\/li>\n  \n  \n  \n  <li><span>http:\/\/nginx.com\/blog\/nginx-protect-cve-2015-1635\/?<span>_ga<\/span><span>=<\/span><span>1<\/span><span>.14368116.2137319792.1439284699)&nbsp;<\/span><\/span><\/li>\n \n \n \n <\/ol><\/pre>\n<p><strong>10. \u4f18\u5316Nginx\u6027\u80fd<\/strong><\/p>\n<p>DDOS \u653b\u51fb\u901a\u5e38\u4f1a\u5e26\u6765\u9ad8\u7684\u8d1f\u8f7d\u538b\u529b\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b\u8c03\u4f18\u53c2\u6570\uff0c\u63d0\u9ad8 Nginx\u3001Nginx Plus \u5904\u7406\u6027\u80fd\uff0c\u786c\u6297 DDOS \u653b\u51fb\uff0c\u8be6\u7ec6\u53c2\u8003\uff1a<\/p>\n<pre>\n \n \n \n <ol>\n  \n  \n  \n  <li><span><span>[Tuning&nbsp;NGINX&nbsp;for&nbsp;Performance]&nbsp;<\/span><\/span><\/li>\n  \n  \n  \n  <li><span>http:\/\/nginx.com\/blog\/tuning-nginx\/?<span>_ga<\/span><span>=<\/span><span>1<\/span><span>.48422373.2137319792.1439284699&nbsp;<\/span><\/span><\/li>\n \n \n \n <\/ol><\/pre>\n<p><strong>\u4e09\u3001\u8bc6\u522bDDOS\u653b\u51fb<\/strong><\/p>\n<p>\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u4eec\u90fd\u662f\u96c6\u4e2d\u5728\u5982\u4f55\u662f\u7528 Nginx\u3001Nginx Plus \u6765\u51cf\u8f7b DDOS \u653b\u51fb\u5e26\u6765\u7684\u5f71\u54cd\u3002\u5982\u4f55\u624d\u80fd\u8ba9 Nginx\u3001Nginx Plus \u5e2e\u52a9\u6211\u4eec\u8bc6\u522b DDOS \u653b\u51fb\u5462?`Nginx Plus Status module` \u63d0\u4f9b\u4e86\u5230\u540e\u7aef\u670d\u52a1\u5668\u6d41\u91cf\u7684\u8be6\u7ec6\u7edf\u8ba1\uff0c\u53ef\u4ee5\u7528\u6765\u8bc6\u522b\u5f02\u5e38\u7684\u6d41\u91cf\u3002Nginx Plus \u63d0\u4f9b\u4e00\u4e2a\u5f53\u524d\u670d\u52a1\u72b6\u6001\u7684\u4eea\u8868\u76d8\u9875\u9762\uff0c\u540c\u65f6\u4e5f\u53ef\u4ee5\u5728\u81ea\u5b9a\u4e49\u7cfb\u7edf\u6216\u5176\u4ed6\u7b2c\u4e09\u65b9\u7cfb\u7edf\u4e2d\u901a\u8fc7 API \u7684\u65b9\u5f0f\u83b7\u53d6\u8fd9\u4e9b\u7edf\u8ba1\u4fe1\u606f\uff0c\u5e76\u6839\u636e\u5386\u53f2\u8d8b\u52bf\u5206\u6790\u8bc6\u522b\u975e\u6b63\u5e38\u7684\u6d41\u91cf\u8fdb\u800c\u53d1\u51fa\u544a\u8b66\u3002<\/p>\n<p><strong>\u56db\u3001\u603b\u7ed3<\/strong><\/p>\n<p>Nginx \u548c Nginx Plus \u53ef\u4ee5\u4f5c\u4e3a\u62b5\u5fa1 DDOS \u653b\u51fb\u7684\u4e00\u4e2a\u6709\u529b\u624b\u6bb5\uff0c\u800c\u4e14 Nginx Plus \u4e2d\u63d0\u4f9b\u4e86\u4e00\u4e9b\u9644\u52a0\u7684\u7279\u6027\u6765\u66f4\u597d\u7684\u62b5\u5fa1 DDOS \u653b\u51fb\u5e76\u4e14\u5f53\u653b\u51fb\u53d1\u751f\u65f6\u53ca\u65f6\u7684\u8bc6\u522b\u5230\u3002<\/p>\n<p>\u3010\u672c\u6587\u662f\u4e13\u680f\u673a\u6784\u201c\u5c82\u5b89\u79d1\u6280\u201d\u7684\u539f\u521b\u6587\u7ae0\uff0c\u8f6c\u8f7d\u8bf7\u901a\u8fc7\u5fae\u4fe1\u516c\u4f17\u53f7(bigsec)\u8054\u7cfb\u539f\u4f5c\u8005\u3011<\/p>\n<p style=\"text-align: center\">\n<p>\u6233\u8fd9\u91cc\uff0c\u770b\u8be5\u4f5c\u8005\u66f4\u591a\u597d\u6587<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DDOS \u662f\u4e00\u79cd\u901a\u8fc7\u5927\u6d41\u91cf\u7684\u8bf7\u6c42\u5bf9\u76ee\u6807\u8fdb\u884c\u8f70\u70b8\u5f0f\u8bbf\u95ee\uff0c\u5bfc\u81f4\u63d0\u4f9b\u670d\u52a1\u7684\u670d\u52a1\u5668\u8d44\u6e90\u8017\u5c3d\u8fdb\u800c\u65e0\u6cd5\u7ee7\u7eed\u63d0\u4f9b\u670d\u52a1\u7684\u653b\u51fb\u624b [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":285659,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[202645],"tags":[],"class_list":["post-285658","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-202645"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/285658","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=285658"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/285658\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media\/285659"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=285658"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=285658"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=285658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}