{"id":1576,"date":"2026-10-05T22:29:45","date_gmt":"2026-10-05T14:29:45","guid":{"rendered":"https:\/\/www.gxcom.net\/"},"modified":"2026-10-05T22:58:18","modified_gmt":"2026-10-05T14:58:18","slug":"%e5%a6%82%e4%bd%95%e9%98%b2%e8%8c%83ddos%e6%94%bb%e5%87%bb","status":"publish","type":"post","link":"https:\/\/www.gxcom.net\/zh\/%e5%a6%82%e4%bd%95%e9%98%b2%e8%8c%83ddos%e6%94%bb%e5%87%bb\/","title":{"rendered":"\u5982\u4f55\u9632\u8303DDoS\u653b\u51fb\uff1a\u7f51\u7ad9\u4e0e\u670d\u52a1\u5668\u9632\u62a4\u6307\u5357"},"content":{"rendered":"<p>\u5206\u5e03\u5f0f\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u4f1a\u901a\u8fc7\u5411\u7f51\u7edc\u3001\u8fde\u63a5\u6216\u670d\u52a1\u5668\u8d44\u6e90\u53d1\u9001\u8d85\u8fc7\u57fa\u7840\u8bbe\u65bd\u5904\u7406\u80fd\u529b\u7684\u6d41\u91cf\uff0c\u4ece\u800c\u5bfc\u81f4\u7f51\u7ad9\u3001VPS \u6216\u5e94\u7528\u7a0b\u5e8f\u65e0\u6cd5\u8bbf\u95ee\u3002.<\/p>\n<p>\u6ca1\u6709\u4efb\u4f55\u4e00\u6761\u9632\u706b\u5899\u89c4\u5219\u6216\u5b89\u5168\u5de5\u5177\u80fd\u591f\u963b\u6b62\u6240\u6709\u7c7b\u578b\u7684DDoS\u653b\u51fb\u3002\u8981\u5b9e\u73b0\u6709\u6548\u7684\u9632\u62a4\uff0c\u9700\u8981\u591a\u5c42\u9632\u62a4\u534f\u540c\u5de5\u4f5c\u2014\u2014\u4ece\u4e0a\u6e38\u7f51\u7edc\u7f13\u89e3\u548c\u8fb9\u7f18\u8fc7\u6ee4\uff0c\u5230\u901f\u7387\u9650\u5236\u3001\u6e90\u7ad9\u4fdd\u62a4\u548c\u76d1\u63a7\u3002.<\/p>\n<p>\u672c\u6307\u5357\u4ecb\u7ecd\u4e86 <strong>\u5982\u4f55\u9632\u8303DDoS\u653b\u51fb<\/strong>, \uff0c\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u98ce\u9669\u66b4\u9732\uff0c\u5e76\u6784\u5efa\u66f4\u5177\u97e7\u6027\u7684\u7f51\u7ad9\u6216\u670d\u52a1\u5668\u3002.<\/p>\n<p><strong>\u68c0\u6d4b \u2192 \u8fc7\u6ee4 \u2192 \u5438\u6536 \u2192 \u901f\u7387\u9650\u5236 \u2192 \u4fdd\u62a4\u6e90\u5934 \u2192 \u6062\u590d<\/strong><\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-1577\" src=\"https:\/\/www.gxcom.net\/wp-content\/uploads\/2026\/10\/how-to-prevent-ddos-attacks.jpg\" alt=\"\u5982\u4f55\u9632\u8303DDoS\u653b\u51fb\uff1a\u7f51\u7ad9\u4e0e\u670d\u52a1\u5668\u9632\u62a4\u6307\u5357\" width=\"1000\" height=\"563\" srcset=\"https:\/\/www.gxcom.net\/wp-content\/uploads\/2026\/10\/how-to-prevent-ddos-attacks.jpg 1000w, https:\/\/www.gxcom.net\/wp-content\/uploads\/2026\/10\/how-to-prevent-ddos-attacks-300x169.jpg 300w, https:\/\/www.gxcom.net\/wp-content\/uploads\/2026\/10\/how-to-prevent-ddos-attacks-768x432.jpg 768w, https:\/\/www.gxcom.net\/wp-content\/uploads\/2026\/10\/how-to-prevent-ddos-attacks-18x10.jpg 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<h2>\u4ec0\u4e48\u662fDDoS\u653b\u51fb\uff1f<\/h2>\n<p>DDoS \u662f\u201c\u5206\u5e03\u5f0f\u62d2\u7edd\u670d\u52a1\u201d\u7684\u7f29\u5199\u3002\u653b\u51fb\u8005\u65e0\u9700\u4f9d\u8d56\u5355\u4e00\u6765\u6e90\uff0c\u800c\u662f\u53ef\u4ee5\u4ece\u8bb8\u591a\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u751f\u6210\u5927\u91cf\u5783\u573e\u6d41\u91cf\uff0c\u5e76\u5c06\u8fd9\u4e9b\u6d41\u91cf\u5bfc\u5411\u67d0\u4e2a\u7f51\u7ad9\u3001\u670d\u52a1\u5668\u6216\u5728\u7ebf\u670d\u52a1\u3002.<\/p>\n<p>\u5176\u76ee\u7684\u901a\u5e38\u662f\u901a\u8fc7\u8017\u5c3d\u4ee5\u4e0b\u8d44\u6e90\u6765\u7834\u574f\u7cfb\u7edf\u53ef\u7528\u6027\uff1a<\/p>\n<ul>\n<li>\u7f51\u7edc\u5e26\u5bbd<\/li>\n<li>\u8fde\u63a5\u5bb9\u91cf<\/li>\n<li>Web \u670d\u52a1\u5668\u5de5\u4f5c\u8fdb\u7a0b<\/li>\n<li>CPU \u548c\u5185\u5b58<\/li>\n<li>\u5e94\u7528\u7a0b\u5e8f\u8d44\u6e90<\/li>\n<li>\u6570\u636e\u5e93\u5bb9\u91cf<\/li>\n<\/ul>\n<p>\u8fd9\u4e0e\u4ee5\u83b7\u53d6\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u6743\u9650\u4e3a\u4e3b\u8981\u76ee\u7684\u7684\u5165\u4fb5\u884c\u4e3a\u4e0d\u540c\u3002DDoS \u653b\u51fb\u65e8\u5728\u4f7f\u5408\u6cd5\u7528\u6237\u96be\u4ee5\u751a\u81f3\u65e0\u6cd5\u8bbf\u95ee\u67d0\u9879\u670d\u52a1\u3002.<\/p>\n<h2>\u5e38\u89c1\u7684DDoS\u653b\u51fb\u7c7b\u578b<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u653b\u51fb\u7c7b\u578b<\/th>\n<th>\u4e3b\u8981\u76ee\u6807<\/th>\n<th>\u5178\u578b\u7684\u9632\u5fa1\u5c42<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u4f53\u79ef<\/td>\n<td>\u7f51\u7edc\u5e26\u5bbd<\/td>\n<td>\u4e0a\u6e38\u51cf\u7f13\u63aa\u65bd<\/td>\n<\/tr>\n<tr>\n<td>\u8bae\u5b9a\u4e66<\/td>\n<td>\u7f51\u7edc\u57fa\u7840\u8bbe\u65bd<\/td>\n<td>\u670d\u52a1\u5546\/\u7f51\u7edc\u7b5b\u9009<\/td>\n<\/tr>\n<tr>\n<td>\u5e94\u7528\u5c42<\/td>\n<td>\u7f51\u7ad9\u6216API<\/td>\n<td>WAF\u3001\u7f13\u5b58\u3001\u901f\u7387\u9650\u5236<\/td>\n<\/tr>\n<tr>\n<td>\u8fde\u63a5\u8017\u5c3d<\/td>\n<td>\u670d\u52a1\u5668\u8d44\u6e90<\/td>\n<td>\u8fb9\u7f18\u8fc7\u6ee4\u4e0e\u8fde\u63a5\u63a7\u5236<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8fd9\u4e00\u533a\u522b\u5f88\u91cd\u8981\uff0c\u56e0\u4e3a\u5982\u679c\u653b\u51fb\u5728\u6d41\u91cf\u5230\u8fbe\u60a8\u7684\u670d\u52a1\u5668\u4e4b\u524d\u5c31\u5df2\u4f7f\u7f51\u7edc\u8fde\u63a5\u9971\u548c\uff0c\u90a3\u4e48\u9488\u5bf9\u8fc7\u91cfHTTP\u8bf7\u6c42\u8bbe\u8ba1\u7684\u9632\u5fa1\u63aa\u65bd\u53ef\u80fd\u65e0\u6d4e\u4e8e\u4e8b\u3002.<\/p>\n<p><strong>\u4e0d\u540c\u7684\u8fdb\u653b \u2192 \u4e0d\u540c\u7684\u9632\u5b88\u3002.<\/strong><\/p>\n<h2>\u80fd\u5426\u5f7b\u5e95\u9632\u8303DDoS\u653b\u51fb\uff1f<\/h2>\n<p>\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u4f60\u65e0\u6cd5\u963b\u6b62\u67d0\u4eba\u8bd5\u56fe\u5411\u516c\u5171\u670d\u52a1\u53d1\u9001\u6076\u610f\u6d41\u91cf\u3002.<\/p>\n<p>\u8be5\u4e3e\u63aa\u7684\u5b9e\u9645\u76ee\u6807\u662f <strong>DDoS\u9632\u62a4<\/strong> \u5176\u76ee\u7684\u662f\u901a\u8fc7\u68c0\u6d4b\u5f02\u5e38\u6d41\u91cf\u3001\u5c3d\u65e9\u8fc7\u6ee4\u6076\u610f\u8bf7\u6c42\uff0c\u5e76\u786e\u4fdd\u5408\u6cd5\u7528\u6237\u80fd\u591f\u6b63\u5e38\u8bbf\u95ee\uff0c\u4ece\u800c\u51cf\u8f7b\u5f71\u54cd\u3002.<\/p>\n<p>\u4e00\u9879\u6709\u6548\u7684\u7b56\u7565\u7531\u591a\u4e2a\u5c42\u9762\u6784\u6210\uff1a<\/p>\n<p><strong>\u4e92\u8054\u7f51 \u2192 \u670d\u52a1\u5546\u9632\u62a4 \u2192 CDN\/\u8fb9\u7f18 \u2192 WAF \u2192 \u9632\u706b\u5899 \u2192 \u670d\u52a1\u5668 \u2192 \u5e94\u7528\u7a0b\u5e8f<\/strong><\/p>\n<p>\u5982\u679c\u67d0\u4e00\u5c42\u65e0\u6cd5\u62b5\u5fa1\u653b\u51fb\uff0c\u53e6\u4e00\u5c42\u53ef\u80fd\u4f1a\u5e2e\u52a9\u5438\u6536\u6216\u8fc7\u6ee4\u8be5\u653b\u51fb\u3002.<\/p>\n<h2>1. \u9009\u62e9\u5177\u5907\u9002\u5f53DDoS\u9632\u62a4\u529f\u80fd\u7684\u6258\u7ba1\u670d\u52a1<\/h2>\n<p>DDoS\u9632\u62a4\u59cb\u4e8e\u57fa\u7840\u8bbe\u65bd\u3002.<\/p>\n<p>\u60a8\u7684\u4e3b\u673a\u670d\u52a1\u5546\u8d1f\u8d23\u7ba1\u7406\u60a8VPS\u6216\u72ec\u7acb\u670d\u52a1\u5668\u4e0a\u6e38\u7684\u7f51\u7edc\u3002\u6839\u636e\u5177\u4f53\u670d\u52a1\u4e0d\u540c\uff0c\u670d\u52a1\u5546\u5c42\u9762\u7684\u4fdd\u62a4\u63aa\u65bd\u53ef\u80fd\u5305\u62ec\u6d41\u91cf\u76d1\u63a7\u3001\u8fc7\u6ee4\u3001\u7f13\u89e3\u80fd\u529b\u6216\u6d41\u91cf\u6e05\u6d17\u3002.<\/p>\n<p>\u5bf9\u4e8e\u5927\u89c4\u6a21\u7684\u6d41\u91cf\u653b\u51fb\u800c\u8a00\uff0c\u8fd9\u4e00\u70b9\u5c24\u4e3a\u91cd\u8981\u3002.<\/p>\n<p>\u5982\u679c\u653b\u51fb\u89c4\u6a21\u8db3\u591f\u5927\uff0c\u4ee5\u81f3\u4e8e\u5bfc\u81f4\u901a\u5f80\u60a8\u670d\u52a1\u5668\u7684\u7f51\u7edc\u8fde\u63a5\u9971\u548c\uff0c\u90a3\u4e48\u4f7f\u7528 Linux \u9632\u706b\u5899\u963b\u65ad\u6570\u636e\u5305\u5e76\u4e0d\u80fd\u6062\u590d\u4e0a\u6e38\u5df2\u88ab\u5360\u7528\u7684\u5e26\u5bbd\u3002.<\/p>\n<p><strong>\u5927\u89c4\u6a21\u7f51\u7edc\u653b\u51fb \u2192 \u4e0a\u6e38\u95ee\u9898 \u2192 \u4e0a\u6e38\u9632\u5fa1\u3002.<\/strong><\/p>\n<p>\u5728\u6bd4\u8f83\u4e3b\u673a\u670d\u52a1\u5546\u65f6\uff0c\u4e0d\u8981\u53ea\u770b\u7b80\u5355\u7684\u201c\u652f\u6301DDoS\u9632\u62a4\u201d\u6807\u7b7e\u3002\u5e94\u8003\u8651\u8be5\u5957\u9910\u5305\u542b\u54ea\u4e9b\u9632\u62a4\u63aa\u65bd\u3001\u662f\u5426\u8bbe\u6709\u9650\u5236\uff0c\u4ee5\u53ca\u5f53\u653b\u51fb\u8d85\u51fa\u8fd9\u4e9b\u9650\u5236\u65f6\u4f1a\u53d1\u751f\u4ec0\u4e48\u60c5\u51b5\u3002.<\/p>\n<h2>2. \u5728\u7f51\u7ad9\u524d\u7aef\u90e8\u7f72 CDN \u6216\u53cd\u5411\u4ee3\u7406<\/h2>\n<p>CDN \u6216\u53cd\u5411\u4ee3\u7406\u53ef\u4ee5\u5728\u8bbf\u95ee\u8005\u4e0e\u60a8\u7684\u6e90\u670d\u52a1\u5668\u4e4b\u95f4\u5efa\u7acb\u4e00\u4e2a\u989d\u5916\u7684\u5c42\u3002.<\/p>\n<p>\u6d41\u91cf\u8def\u5f84\u53d8\u4e3a\uff1a<\/p>\n<p><strong>\u8bbf\u95ee\u8005 \u2192 \u8fb9\u7f18\u7f51\u7edc \u2192 \u8fc7\u6ee4\/\u7f13\u5b58 \u2192 \u6e90\u670d\u52a1\u5668<\/strong><\/p>\n<p>\u8fd9\u79cd\u67b6\u6784\u6709\u52a9\u4e8e\u5728\u5206\u5e03\u5f0f\u57fa\u7840\u8bbe\u65bd\u4e2d\u5206\u6d41\u6d41\u91cf\uff0c\u5e76\u907f\u514d\u6bcf\u4e2a\u8bf7\u6c42\u90fd\u5230\u8fbe\u6e90\u670d\u52a1\u5668\u3002.<\/p>\n<p>\u7f13\u5b58\u7279\u522b\u6709\u4ef7\u503c\uff0c\u56e0\u4e3a\u5728\u8fb9\u7f18\u5904\u7406\u7684\u8bf7\u6c42\u65e0\u9700\u5360\u7528 PHP \u5de5\u4f5c\u8fdb\u7a0b\u3001\u6570\u636e\u5e93\u67e5\u8be2\u6216\u5176\u4ed6\u6e90\u8d44\u6e90\u3002.<\/p>\n<p>CDN \u672c\u8eab\u5e76\u4e0d\u80fd\u81ea\u52a8\u63d0\u4f9b\u5b8c\u6574\u7684 DDoS \u9632\u62a4\uff0c\u4f46\u5b83\u53ef\u4ee5\u6210\u4e3a\u5206\u5c42\u9632\u5fa1\u4f53\u7cfb\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002.<\/p>\n<h2>3. \u4fdd\u62a4\u60a8\u7684\u6e90\u670d\u52a1\u5668<\/h2>\n<p>\u5982\u679c\u653b\u51fb\u8005\u80fd\u591f\u7ed5\u8fc7\u53cd\u5411\u4ee3\u7406\u5e76\u76f4\u63a5\u8fde\u63a5\u5230\u6e90IP\u5730\u5740\uff0c\u90a3\u4e48\u53cd\u5411\u4ee3\u7406\u63d0\u4f9b\u7684\u4fdd\u62a4\u4f5c\u7528\u5c06\u5927\u5927\u51cf\u5f31\u3002.<\/p>\n<p>\u5728\u67b6\u6784\u5141\u8bb8\u7684\u60c5\u51b5\u4e0b\uff0c\u8bf7\u5c06 Web \u6d41\u91cf\u9650\u5236\u4e3a\u6765\u81ea\u53d7\u4fe1\u4efb\u7684\u4ee3\u7406\u6216\u8fb9\u7f18\u7f51\u7edc\u7684\u6765\u6e90\u3002.<\/p>\n<p>\u6b64\u5916\uff0c\u8bf7\u68c0\u67e5\u6e90\u5730\u5740\u662f\u5426\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u88ab\u4e0d\u5fc5\u8981\u5730\u66b4\u9732\uff1a<\/p>\n<ul>\n<li>\u65e7\u7684 DNS \u8bb0\u5f55<\/li>\n<li>\u672a\u4f7f\u7528\u7684\u5b50\u57df\u540d<\/li>\n<li>\u5f00\u53d1\u670d\u52a1<\/li>\n<li>\u5176\u4ed6\u7f51\u7ad9<\/li>\n<li>\u90ae\u4ef6\u57fa\u7840\u8bbe\u65bd<\/li>\n<li>\u516c\u5171\u884c\u653f\u670d\u52a1<\/li>\n<\/ul>\n<p>\u76ee\u6807\u4e0d\u4ec5\u4ec5\u662f\u201c\u9690\u85cf\u201dIP\u5730\u5740\u3002\u66f4\u6709\u6548\u7684\u65b9\u6cd5\u662f\u5b9e\u65bd\u8bbf\u95ee\u63a7\u5236\uff0c\u4ee5\u9632\u6b62\u672a\u7ecf\u6388\u6743\u7684\u76f4\u63a5\u6d41\u91cf\u5230\u8fbe\u53d7\u4fdd\u62a4\u7684\u670d\u52a1\u3002.<\/p>\n<p><strong>CDN + \u66b4\u9732\u7684\u6e90\u670d\u52a1\u5668 = \u53ef\u80fd\u88ab\u7ed5\u8fc7\u3002.<\/strong><\/p>\n<h2>4. \u914d\u7f6e\u670d\u52a1\u5668\u9632\u706b\u5899<\/h2>\n<p>\u9632\u706b\u5899\u53ef\u51cf\u5c11\u5411\u4e92\u8054\u7f51\u5f00\u653e\u7684\u670d\u52a1\u6570\u91cf\u3002.<\/p>\n<p>\u5bf9\u4e8e\u5178\u578b\u7684\u516c\u5171Web\u670d\u52a1\u5668\uff0c\u7aef\u53e380\u548c443\u53ef\u80fd\u9700\u8981\u5bf9\u5916\u5f00\u653e\uff0c\u800c\u6570\u636e\u5e93\u548c\u7f13\u5b58\u670d\u52a1\u901a\u5e38\u5219\u4e0d\u9700\u8981\u3002.<\/p>\n<p>\u5728\u8fd0\u884c UFW \u7684 Ubuntu \u670d\u52a1\u5668\u4e0a\uff0c\u53ef\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u5f53\u524d\u89c4\u5219\uff1a<\/p>\n<pre>sudo ufw status verbose<\/pre>\n<p>\u5728\u4fee\u6539\u9632\u706b\u5899\u8bbe\u7f6e\u4e4b\u524d\uff0c\u8bf7\u786e\u4fdd\u60a8\u4e86\u89e3\u8fdc\u7a0b\u7ba1\u7406\u8bbf\u95ee\u5c06\u5982\u4f55\u4fdd\u6301\u53ef\u7528\u3002.<\/p>\n<p>\u6211\u4eec\u7684 <a href=\"https:\/\/www.gxcom.net\/zh\/%e5%a6%82%e4%bd%95%e4%bf%9d%e9%9a%9cvps%e7%9a%84%e5%ae%89%e5%85%a8\/\"><strong>VPS \u5b89\u5168\u6307\u5357<\/strong><\/a> \u66f4\u8be6\u7ec6\u5730\u4ecb\u7ecd\u4e86\u9632\u706b\u5899\u3001SSH \u4ee5\u53ca\u5176\u4ed6\u670d\u52a1\u5668\u52a0\u56fa\u63aa\u65bd\u3002.<\/p>\n<p>\u8bf7\u8bb0\u4f4f\uff0c\u4e3b\u673a\u9632\u706b\u5899\u4ec5\u4ec5\u662f\u4e00\u9053\u9632\u7ebf\u3002.<\/p>\n<p><strong>\u9632\u706b\u5899 \u2260 \u5b8c\u6574\u7684 DDoS \u9632\u62a4\u3002.<\/strong><\/p>\n<h2>5. \u4f7f\u7528\u901f\u7387\u9650\u5236<\/h2>\n<p>\u5e94\u7528\u5c42\u653b\u51fb\u53ef\u80fd\u4f1a\u5411\u8d44\u6e90\u6d88\u8017\u8f83\u5927\u7684\u9875\u9762\u6216API\u53d1\u8d77\u5927\u91cf\u8bf7\u6c42\u3002.<\/p>\n<p>\u901f\u7387\u9650\u5236\u53ef\u4ee5\u9650\u5236\u5ba2\u6237\u7aef\u5728\u89c4\u5b9a\u65f6\u95f4\u5185\u8bbf\u95ee\u7279\u5b9a\u8d44\u6e90\u7684\u9891\u7387\u3002.<\/p>\n<p>\u5408\u9002\u7684\u5019\u9009\u4eba\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u767b\u5f55\u9875\u9762<\/li>\n<li>\u641c\u7d22\u529f\u80fd<\/li>\n<li>API<\/li>\n<li>\u8054\u7cfb\u8868\u5355<\/li>\n<li>\u5bc6\u7801\u91cd\u7f6e\u9875\u9762<\/li>\n<li>\u6602\u8d35\u7684\u52a8\u6001\u7aef\u70b9<\/li>\n<\/ul>\n<p>\u5e94\u8c28\u614e\u914d\u7f6e\u901f\u7387\u9650\u5236\u3002\u8fc7\u4e8e\u4e25\u683c\u7684\u89c4\u5219\u53ef\u80fd\u4f1a\u963b\u6321\u5408\u6cd5\u7528\u6237\u3001API \u5ba2\u6237\u7aef\u6216\u641c\u7d22\u722c\u866b\u3002.<\/p>\n<p>\u5176\u76ee\u7684\u662f\u5728\u4e0d\u8fc7\u5ea6\u5e72\u6270\u6b63\u5e38\u6d41\u91cf\u7684\u60c5\u51b5\u4e0b\uff0c\u63a7\u5236\u6ee5\u7528\u884c\u4e3a\u3002.<\/p>\n<h2>6. \u4f7f\u7528 Web \u5e94\u7528\u9632\u706b\u5899<\/h2>\n<p>Web\u5e94\u7528\u9632\u706b\u5899\uff08WAF\uff09\u5728\u5e94\u7528\u5c42\u8fd0\u884c\uff0c\u80fd\u591f\u5728\u8bf7\u6c42\u5230\u8fbe\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u4e4b\u524d\u5206\u6790HTTP\u6d41\u91cf\u3002.<\/p>\n<p>\u6839\u636e\u670d\u52a1\u548c\u914d\u7f6e\u7684\u4e0d\u540c\uff0cWAF \u53ef\u80fd\u6709\u52a9\u4e8e\uff1a<\/p>\n<ul>\n<li>\u53ef\u7591\u7684\u8bf7\u6c42\u6a21\u5f0f<\/li>\n<li>\u81ea\u52a8\u6ee5\u7528<\/li>\n<li>\u6076\u610f\u673a\u5668\u4eba<\/li>\n<li>\u5e94\u7528\u5c42\u6d2a\u6c34\u653b\u51fb<\/li>\n<li>\u5df2\u77e5\u7684\u7f51\u7edc\u653b\u51fb\u6a21\u5f0f<\/li>\n<\/ul>\n<p>Web\u5e94\u7528\u9632\u706b\u5899\uff08WAF\uff09\u4f5c\u4e3a\u66f4\u5927\u67b6\u6784\u7684\u4e00\u90e8\u5206\u65f6\uff0c\u624d\u80fd\u53d1\u6325\u6700\u4f73\u6548\u679c\u3002.<\/p>\n<p><strong>\u4e0a\u6e38\u9632\u62a4 + \u8fb9\u7f18\u7f51\u7edc + WAF + \u9632\u706b\u5899 + \u5e94\u7528\u5b89\u5168<\/strong><\/p>\n<p>\u6bd4\u4ec5\u4f9d\u8d56\u4e00\u6b3e\u5b89\u5168\u4ea7\u54c1\u66f4\u6709\u6548\u3002.<\/p>\n<h2>7. \u7f13\u5b58\u5b89\u5168\u5185\u5bb9<\/h2>\n<p>\u5bf9\u4e8e\u6e90\u670d\u52a1\u5668\u800c\u8a00\uff0c\u7f13\u5b58\u8bf7\u6c42\u901a\u5e38\u6bd4\u9700\u8981\u6267\u884c\u5e94\u7528\u7a0b\u5e8f\u548c\u8fdb\u884c\u6570\u636e\u5e93\u67e5\u8be2\u7684\u8bf7\u6c42\u6d88\u8017\u66f4\u5c11\u7684\u8d44\u6e90\u3002.<\/p>\n<p>\u5bf9\u4e8e\u5305\u542b\u53ef\u7f13\u5b58\u5185\u5bb9\u7684\u7f51\u7ad9\uff0c\u8fb9\u7f18\u7f13\u5b58\u548c\u670d\u52a1\u5668\u7aef\u7f13\u5b58\u53ef\u4ee5\u51cf\u5c11\uff1a<\/p>\n<ul>\n<li>Origin \u8bf7\u6c42<\/li>\n<li>CPU \u4f7f\u7528\u7387<\/li>\n<li>PHP \u6267\u884c<\/li>\n<li>\u6570\u636e\u5e93\u67e5\u8be2<\/li>\n<li>\u5e94\u7528\u7a0b\u5e8f\u54cd\u5e94\u65f6\u95f4<\/li>\n<\/ul>\n<p>\u7f13\u5b58\u867d\u7136\u65e0\u6cd5\u963b\u6b62\u6240\u6709\u7684DDoS\u653b\u51fb\uff0c\u4f46\u53ef\u4ee5\u589e\u5f3a\u6e90\u670d\u52a1\u5668\u5e94\u5bf9\u5408\u6cd5\u6d41\u91cf\u6fc0\u589e\u548c\u67d0\u4e9b\u5e94\u7528\u5c42\u8d1f\u8f7d\u7684\u80fd\u529b\u3002.<\/p>\n<p>WordPress \u7528\u6237\u8fd8\u53ef\u4ee5\u5173\u6ce8\u6211\u4eec\u7684 <a href=\"https:\/\/www.gxcom.net\/zh\/%e5%a6%82%e4%bd%95%e5%8a%a0%e5%bf%abwordpress%e7%9a%84%e9%80%9f%e5%ba%a6\/\"><strong>WordPress \u6027\u80fd\u6307\u5357<\/strong><\/a> \u4ee5\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u6e90\u5934\u5904\u7406\u3002.<\/p>\n<h2>8. \u4fdd\u62a4\u8d44\u6e90\u5bc6\u96c6\u578b\u7ec8\u7aef<\/h2>\n<p>\u5e76\u975e\u6bcf\u4e2a\u8bf7\u6c42\u90fd\u4f1a\u7ed9\u670d\u52a1\u5668\u5e26\u6765\u76f8\u540c\u7684\u5f00\u9500\u3002.<\/p>\n<p>\u7f13\u5b58\u7684 HTML \u9875\u9762\u53ef\u80fd\u53ea\u9700\u6781\u5c11\u7684\u6e90\u670d\u52a1\u5668\u5904\u7406\uff0c\u800c\u641c\u7d22\u3001\u8eab\u4efd\u9a8c\u8bc1\u6216\u6d89\u53ca\u5927\u91cf\u6570\u636e\u5e93\u64cd\u4f5c\u7684 API \u8bf7\u6c42\u5219\u53ef\u80fd\u6d88\u8017\u66f4\u591a\u8d44\u6e90\u3002.<\/p>\n<p>\u8bc6\u522b\u9ad8\u6210\u672c\u7684\u7aef\u70b9\uff0c\u5e76\u8003\u8651\u91c7\u53d6\u9002\u5f53\u7684\u63a7\u5236\u63aa\u65bd\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u901f\u7387\u9650\u5236<\/li>\n<li>\u7f13\u5b58<\/li>\n<li>\u8eab\u4efd\u9a8c\u8bc1<\/li>\n<li>\u8bf7\u6c42\u9a8c\u8bc1<\/li>\n<li>\u7533\u8bf7\u9650\u5236<\/li>\n<li>\u6602\u8d35\u4efb\u52a1\u7684\u961f\u5217<\/li>\n<\/ul>\n<p>\u8fd9\u4f7f\u5f97\u76f8\u5bf9\u8f83\u5c11\u7684\u6076\u610f\u6d41\u91cf\u66f4\u96be\u9020\u6210\u4e0d\u6210\u6bd4\u4f8b\u7684\u9ad8\u670d\u52a1\u5668\u8d1f\u8f7d\u3002.<\/p>\n<h2>9. \u5728\u653b\u51fb\u53d1\u751f\u524d\u76d1\u63a7\u6b63\u5e38\u6d41\u91cf<\/h2>\n<p>\u5982\u679c\u4e0d\u4e86\u89e3\u6b63\u5e38\u6d41\u91cf\u662f\u4ec0\u4e48\u6837\u5b50\u7684\uff0c\u5c31\u5f88\u96be\u8bc6\u522b\u51fa\u5f02\u5e38\u6d41\u91cf\u3002.<\/p>\n<p>\u4e3a\u4ee5\u4e0b\u65b9\u9762\u5efa\u7acb\u57fa\u51c6\uff1a<\/p>\n<ul>\n<li>\u6bcf\u79d2\u8bf7\u6c42\u6570<\/li>\n<li>\u5e26\u5bbd\u4f7f\u7528\u60c5\u51b5<\/li>\n<li>\u5e76\u53d1\u8fde\u63a5\u6570<\/li>\n<li>HTTP \u54cd\u5e94\u4ee3\u7801<\/li>\n<li>CPU \u4f7f\u7528\u7387<\/li>\n<li>\u5185\u5b58\u4f7f\u7528\u60c5\u51b5<\/li>\n<li>\u7f51\u7edc\u541e\u5410\u91cf<\/li>\n<li>\u5e94\u7528\u7a0b\u5e8f\u54cd\u5e94\u65f6\u95f4<\/li>\n<\/ul>\n<p>\u7136\u540e\u9488\u5bf9\u6709\u610f\u4e49\u7684\u504f\u5dee\u914d\u7f6e\u8b66\u62a5\u3002.<\/p>\n<p><strong>\u4e86\u89e3\u6b63\u5e38\u72b6\u6001 \u2192 \u68c0\u6d4b\u5f02\u5e38\u3002.<\/strong><\/p>\n<h2>10. \u533a\u5206 DDoS \u653b\u51fb\u4e0e\u6b63\u5e38\u7684\u6d41\u91cf\u6fc0\u589e<\/h2>\n<p>\u6d41\u91cf\u7684\u7a81\u7136\u589e\u52a0\u5e76\u4e0d\u4e00\u5b9a\u610f\u5473\u7740\u60a8\u7684\u7f51\u7ad9\u6b63\u5728\u906d\u53d7\u653b\u51fb\u3002.<\/p>\n<p>\u5408\u7406\u7684\u5cf0\u503c\u53ef\u80fd\u6765\u81ea\uff1a<\/p>\n<ul>\n<li>\u793e\u4ea4\u5a92\u4f53<\/li>\n<li>\u641c\u7d22\u5f15\u64ce<\/li>\n<li>\u65b0\u95fb\u62a5\u9053<\/li>\n<li>\u8425\u9500\u6d3b\u52a8<\/li>\n<li>\u4ea7\u54c1\u53d1\u5e03<\/li>\n<\/ul>\n<p>\u5728\u5b9e\u65bd\u5e7f\u6cdb\u5c01\u9501\u4e4b\u524d\uff0c\u8bf7\u5148\u8c03\u67e5\u6d41\u91cf\u6765\u6e90\u3001\u8bf7\u6c42\u7684URL\u3001\u5730\u7406\u5206\u5e03\u3001\u8bf7\u6c42\u6a21\u5f0f\u3001\u54cd\u5e94\u4ee3\u7801\u4ee5\u53ca\u5e94\u7528\u7a0b\u5e8f\u7684\u884c\u4e3a\u3002.<\/p>\n<p>\u4e00\u573a\u6210\u529f\u7684\u8425\u9500\u6d3b\u52a8\u4e0d\u5e94\u56e0\u5b89\u5168\u89c4\u5219\u9519\u8bef\u5730\u5c06\u771f\u5b9e\u5ba2\u6237\u8bef\u5224\u4e3a\u653b\u51fb\u8005\u800c\u5bfc\u81f4\u670d\u52a1\u4e2d\u65ad\u3002.<\/p>\n<h2>11. \u4fdd\u6301\u670d\u52a1\u5668\u548c\u5e94\u7528\u7a0b\u5e8f\u66f4\u65b0<\/h2>\n<p>DDoS \u7f13\u89e3\u63aa\u65bd\u4e0d\u80fd\u66ff\u4ee3\u5e38\u89c4\u7684\u670d\u52a1\u5668\u5b89\u5168\u63aa\u65bd\u3002.<\/p>\n<p>\u8bf7\u786e\u4fdd\u64cd\u4f5c\u7cfb\u7edf\u3001Web \u670d\u52a1\u5668\u3001\u5e94\u7528\u7a0b\u5e8f\u8fd0\u884c\u65f6\u3001\u5185\u5bb9\u7ba1\u7406\u7cfb\u7edf\uff08CMS\uff09\u8f6f\u4ef6\u3001\u63d2\u4ef6\u4ee5\u53ca\u5176\u4ed6\u9762\u5411\u4e92\u8054\u7f51\u7684\u7ec4\u4ef6\u5747\u4fdd\u6301\u6700\u65b0\u72b6\u6001\u3002.<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u8fd0\u884c Linux VPS\uff0c\u6211\u4eec\u7684 <a href=\"https:\/\/www.gxcom.net\/zh\/linux-%e6%9c%8d%e5%8a%a1%e5%99%a8%e8%ae%be%e7%bd%ae%e6%8c%87%e5%8d%97\/\"><strong>Linux \u670d\u52a1\u5668\u8bbe\u7f6e\u6307\u5357<\/strong><\/a> \u5185\u5bb9\u6db5\u76d6\u4e86\u66f4\u65b0\u548c\u5173\u952e\u7684\u670d\u52a1\u5668\u914d\u7f6e\u3002.<\/p>\n<p>\u51cf\u5c11\u8f6f\u4ef6\u6f0f\u6d1e\u975e\u5e38\u91cd\u8981\uff0c\u56e0\u4e3aDDoS\u4e8b\u4ef6\u53ef\u80fd\u4f1a\u4e0e\u5176\u4ed6\u653b\u51fb\u540c\u65f6\u53d1\u751f\u3002.<\/p>\n<h2>12. \u53d6\u6d88\u4e0d\u5fc5\u8981\u7684\u516c\u5171\u670d\u52a1<\/h2>\n<p>\u6bcf\u4e2a\u5bf9\u516c\u4f17\u5f00\u653e\u7684\u670d\u52a1\u90fd\u4f1a\u589e\u52a0\u653b\u51fb\u9762\u3002.<\/p>\n<p>\u5728 Linux \u4e0a\uff0c\u53ef\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u6b63\u5728\u76d1\u542c\u7684\u670d\u52a1\uff1a<\/p>\n<pre>sudo ss -tulpn<\/pre>\n<p>\u8bf7\u786e\u8ba4\u6bcf\u4e2a\u5bf9\u5916\u5f00\u653e\u7684\u670d\u52a1\u662f\u5426\u786e\u5b9e\u9700\u8981\u63a5\u53d7\u6765\u81ea\u516c\u5171\u4e92\u8054\u7f51\u7684\u8fde\u63a5\u3002.<\/p>\n<p>\u6570\u636e\u5e93\u7aef\u53e3\u3001Redis\u3001\u7ba1\u7406\u63a5\u53e3\u548c\u5f00\u53d1\u670d\u52a1\u4e0d\u5e94\u9ed8\u8ba4\u5bf9\u516c\u4f17\u5f00\u653e\u3002.<\/p>\n<p><strong>\u5df2\u5b89\u88c5\u7684\u670d\u52a1 \u2260 \u516c\u5171\u670d\u52a1\u3002.<\/strong><\/p>\n<h2>13. \u4e0d\u8981\u4ec5\u4f9d\u8d56\u66f4\u5927\u7684\u670d\u52a1\u5668<\/h2>\n<p>\u589e\u52a0CPU\u3001\u5185\u5b58\u6216\u5e26\u5bbd\u53ef\u80fd\u4f1a\u63d0\u5347\u5bb9\u91cf\uff0c\u4f46\u6269\u5c55\u4e0eDDoS\u7f13\u89e3\u5e76\u975e\u4e00\u56de\u4e8b\u3002.<\/p>\n<p>\u653b\u51fb\u8005\u751f\u6210\u7684\u6d41\u91cf\u901f\u5ea6\u53ef\u80fd\u6bd4\u60a8\u6269\u5145\u57fa\u7840\u8bbe\u65bd\u7684\u901f\u5ea6\u66f4\u5feb\uff0c\u800c\u4e0d\u53d7\u63a7\u7684\u81ea\u52a8\u6269\u5c55\u4e5f\u4f1a\u589e\u52a0\u6210\u672c\u3002.<\/p>\n<p>\u5f39\u6027\u67b6\u6784\u53ef\u80fd\u7ed3\u5408\u4ee5\u4e0b\u8981\u7d20\uff1a<\/p>\n<ul>\n<li>\u8fb9\u7f18\u7f13\u5b58<\/li>\n<li>\u8d1f\u8f7d\u5747\u8861<\/li>\n<li>\u591a\u4e2a\u5e94\u7528\u670d\u52a1\u5668<\/li>\n<li>\u6570\u636e\u5e93\u4f18\u5316<\/li>\n<li>\u961f\u5217<\/li>\n<li>\u53d7\u63a7\u7684\u81ea\u52a8\u6269\u5c55<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u63aa\u65bd\u53ef\u4ee5\u63d0\u9ad8\u5904\u7406\u80fd\u529b\uff0c\u4f46\u5e94\u4f5c\u4e3a\u8fc7\u6ee4\u548c\u7f13\u89e3\u63aa\u65bd\u7684\u8865\u5145\uff0c\u800c\u975e\u53d6\u4ee3\u5b83\u4eec\u3002.<\/p>\n<p><strong>\u66f4\u5927\u7684\u670d\u52a1\u5668 \u2260 DDoS \u9632\u62a4\u3002.<\/strong><\/p>\n<h2>14. \u5236\u5b9a DDoS \u4e8b\u4ef6\u54cd\u5e94\u8ba1\u5212<\/h2>\n<p>\u4e0d\u8981\u7b49\u5230\u7f51\u7ad9\u79bb\u7ebf\u540e\u624d\u53bb\u4e86\u89e3\u60a8\u7684\u57fa\u7840\u8bbe\u65bd\u63d0\u4f9b\u5546\u5982\u4f55\u5e94\u5bf9\u653b\u51fb\u3002.<\/p>\n<p>\u8bf7\u63d0\u524d\u8bb0\u5f55\u91cd\u8981\u4fe1\u606f\uff1a<\/p>\n<ul>\n<li>\u4e3b\u673a\u670d\u52a1\u5546\u7684\u652f\u6301\u6d41\u7a0b<\/li>\n<li>DDoS \u7f13\u89e3\u63aa\u65bd<\/li>\n<li>CDN \u548c WAF \u7ba1\u7406<\/li>\n<li>DNS \u8bbf\u95ee<\/li>\n<li>\u76d1\u63a7\u4eea\u8868\u76d8<\/li>\n<li>\u5bf9\u6e90\u670d\u52a1\u5668\u7684\u8bbf\u95ee<\/li>\n<li>\u7d27\u6025\u8054\u7cfb\u4eba<\/li>\n<li>\u6062\u590d\u7a0b\u5e8f<\/li>\n<\/ul>\n<p>\u5236\u5b9a\u597d\u7684\u5e94\u6025\u9884\u6848\u53ef\u4ee5\u51cf\u5c11\u4e8b\u4ef6\u53d1\u751f\u65f6\u9700\u8981\u5373\u5174\u5e94\u5bf9\u7684\u60c5\u51b5\u3002.<\/p>\n<h2>15. \u4fdd\u7559\u7ecf\u8fc7\u6d4b\u8bd5\u7684\u5907\u4efd<\/h2>\n<p>\u5907\u4efd\u65e0\u6cd5\u963b\u6b62DDoS\u6d41\u91cf\uff0c\u4f46\u4ecd\u662f\u60a8\u5b89\u5168\u4e0e\u6062\u590d\u7b56\u7565\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002.<\/p>\n<p>\u8bf7\u4fdd\u7559\u91cd\u8981\u6587\u4ef6\u7684\u53ef\u6062\u590d\u526f\u672c\uff1a<\/p>\n<ul>\n<li>\u7f51\u7ad9\u6587\u4ef6<\/li>\n<li>\u6570\u636e\u5e93<\/li>\n<li>\u914d\u7f6e\u6587\u4ef6<\/li>\n<li>\u5e94\u7528\u6570\u636e<\/li>\n<\/ul>\n<p>\u8bf7\u5c06\u91cd\u8981\u5907\u4efd\u5b58\u653e\u5728\u751f\u4ea7\u670d\u52a1\u5668\u4e4b\u5916\uff0c\u5e76\u5b9a\u671f\u6d4b\u8bd5\u6062\u590d\u64cd\u4f5c\u3002.<\/p>\n<p><strong>\u5728\u6d4b\u8bd5\u8fd8\u539f\u4e4b\u524d\uff0c\u5907\u4efd \u2260 \u6062\u590d\u3002.<\/strong><\/p>\n<h2>DDoS\u9632\u62a4\u5c42\u5bf9\u6bd4<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u4fdd\u62a4\u5c42<\/th>\n<th>\u4f4d\u7f6e<\/th>\n<th>\u4e3b\u8981\u76ee\u7684<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u670d\u52a1\u63d0\u4f9b\u5546DDoS\u7f13\u89e3<\/td>\n<td>\u4e0a\u6e38\u7f51\u7edc<\/td>\n<td>\u5927\u89c4\u6a21\u7f51\u7edc\u653b\u51fb<\/td>\n<\/tr>\n<tr>\n<td>CDN \/ \u53cd\u5411\u4ee3\u7406<\/td>\n<td>Edge<\/td>\n<td>\u6d41\u91cf\u5206\u914d\u4e0e\u7f13\u5b58<\/td>\n<\/tr>\n<tr>\n<td>WAF<\/td>\n<td>\u8fb9\u7f18\/\u5e94\u7528\u7a0b\u5e8f<\/td>\n<td>HTTP \u6d41\u91cf\u8fc7\u6ee4<\/td>\n<\/tr>\n<tr>\n<td>\u901f\u7387\u9650\u5236<\/td>\n<td>\u8fb9\u7f18\/\u5e94\u7528\u7a0b\u5e8f<\/td>\n<td>\u63a7\u5236\u6ee5\u7528\u8bf7\u6c42\u7684\u9891\u7387<\/td>\n<\/tr>\n<tr>\n<td>\u670d\u52a1\u5668\u9632\u706b\u5899<\/td>\n<td>\u6765\u6e90<\/td>\n<td>\u9650\u5236\u7aef\u53e3\u548c\u6765\u6e90<\/td>\n<\/tr>\n<tr>\n<td>\u5e94\u7528\u7a0b\u5e8f\u63a7\u4ef6<\/td>\n<td>\u5e94\u7528<\/td>\n<td>\u4fdd\u62a4\u5b9d\u8d35\u7684\u8d44\u6e90<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5176\u6838\u5fc3\u6982\u5ff5\u662f\u6df1\u5ea6\u9632\u5fa1\uff1a<\/p>\n<p><strong>\u4e92\u8054\u7f51 \u2192 DDoS \u9632\u5fa1 \u2192 CDN \u2192 WAF \u2192 \u9632\u706b\u5899 \u2192 \u670d\u52a1\u5668 \u2192 \u5e94\u7528\u7a0b\u5e8f<\/strong><\/p>\n<h2>\u906d\u9047DDoS\u653b\u51fb\u65f6\u8be5\u600e\u4e48\u529e\uff1f<\/h2>\n<ol>\n<li><strong>\u786e\u8ba4\u8be5\u5f02\u5e38\u60c5\u51b5\u3002.<\/strong> \u68c0\u67e5\u6d41\u91cf\u548c\u76d1\u63a7\u6570\u636e\u3002.<\/li>\n<li><strong>\u786e\u5b9a\u53d7\u5f71\u54cd\u7684\u5c42\u3002.<\/strong> \u786e\u5b9a\u74f6\u9888\u662f\u4e0e\u7f51\u7edc\u76f8\u5173\u7684\uff0c\u8fd8\u662f\u4e0e\u5e94\u7528\u7a0b\u5e8f\u76f8\u5173\u7684\u3002.<\/li>\n<li><strong>\u8bf7\u8054\u7cfb\u670d\u52a1\u63d0\u4f9b\u5546\u3002.<\/strong> \u4e0a\u6e38\u9971\u548c\u53ef\u80fd\u9700\u8981\u7531\u670d\u52a1\u63d0\u4f9b\u5546\u5c42\u9762\u91c7\u53d6\u7f13\u89e3\u63aa\u65bd\u3002.<\/li>\n<li><strong>\u5e94\u7528\u8fb9\u7f18\u63a7\u5236\u3002.<\/strong> \u8c03\u6574\u76f8\u5e94\u7684CDN\u3001WAF\u6216\u901f\u7387\u9650\u5236\u89c4\u5219\u3002.<\/li>\n<li><strong>\u4fdd\u62a4\u539f\u4ea7\u5730\u3002.<\/strong> \u9632\u6b62\u4e0d\u5fc5\u8981\u7684\u76f4\u63a5\u8bbf\u95ee\u3002.<\/li>\n<li><strong>\u76d1\u63a7\u5408\u6cd5\u7528\u6237\u3002.<\/strong> \u907f\u514d\u4e0d\u5fc5\u8981\u5730\u963b\u65ad\u771f\u5b9e\u6d41\u91cf\u3002.<\/li>\n<li><strong>\u8bb0\u5f55\u8be5\u4e8b\u4ef6\u3002.<\/strong> \u5229\u7528\u8fd9\u4e9b\u6570\u636e\u6765\u5b8c\u5584\u672a\u6765\u7684\u4fdd\u62a4\u63aa\u65bd\u3002.<\/li>\n<\/ol>\n<p>\u907f\u514d\u540c\u65f6\u8fdb\u884c\u5927\u91cf\u4e0d\u76f8\u5173\u7684\u66f4\u6539\u3002\u7d27\u6025\u914d\u7f6e\u9519\u8bef\u53ef\u80fd\u4f1a\u5728\u60a8\u8bd5\u56fe\u89e3\u51b3\u7b2c\u4e00\u4e2a\u6545\u969c\u65f6\uff0c\u53c8\u5f15\u53d1\u53e6\u4e00\u573a\u670d\u52a1\u4e2d\u65ad\u3002.<\/p>\n<h2>\u662fDDoS\u653b\u51fb\u8fd8\u662f\u670d\u52a1\u5668\u8fd0\u884c\u7f13\u6162\uff1f<\/h2>\n<p>CPU \u4f7f\u7528\u7387\u8fc7\u9ad8\u6216\u7f51\u7ad9\u65e0\u54cd\u5e94\u5e76\u4e0d\u4e00\u5b9a\u610f\u5473\u7740\u53d1\u751f\u4e86 DDoS \u653b\u51fb\u3002.<\/p>\n<p>\u771f\u6b63\u7684\u74f6\u9888\u53ef\u80fd\u662f\uff1a<\/p>\n<ul>\n<li>CPU \u9971\u548c<\/li>\n<li>\u5185\u5b58\u4e0d\u8db3<\/li>\n<li>\u78c1\u76d8I\/O<\/li>\n<li>\u6570\u636e\u5e93\u67e5\u8be2<\/li>\n<li>\u5e94\u7528\u95ee\u9898<\/li>\n<li>\u5408\u6cd5\u6d41\u91cf\u589e\u957f<\/li>\n<\/ul>\n<p>\u8bf7\u4f7f\u7528\u6211\u4eec\u7684 <a href=\"https:\/\/www.gxcom.net\/zh\/%e6%8e%92%e6%9f%a5%e6%9c%8d%e5%8a%a1%e5%99%a8%e8%bf%90%e8%a1%8c%e7%bc%93%e6%85%a2%e7%9a%84%e9%97%ae%e9%a2%98\/\"><strong>\u670d\u52a1\u5668\u8fd0\u884c\u7f13\u6162\u6545\u969c\u6392\u9664\u6307\u5357<\/strong><\/a> \u5728\u65ad\u5b9a\u95ee\u9898\u662f\u7531\u6076\u610f\u6d41\u91cf\u5f15\u8d77\u7684\u4e4b\u524d\uff0c\u5e94\u5148\u68c0\u67e5 CPU\u3001\u5185\u5b58\u3001\u78c1\u76d8\u548c\u7f51\u7edc\u662f\u5426\u5b58\u5728\u74f6\u9888\u3002.<\/p>\n<h2>DDoS\u9632\u62a4\u4e2d\u7684\u5e38\u89c1\u8bef\u533a<\/h2>\n<h3>\u4ec5\u4f9d\u8d56\u670d\u52a1\u5668\u9632\u706b\u5899<\/h3>\n<p>\u672c\u5730\u9632\u706b\u5899\u65e0\u6cd5\u6062\u590d\u4e0a\u6e38\u5df2\u9971\u548c\u7684\u5e26\u5bbd\u3002.<\/p>\n<h3>\u4f7f\u7528 CDN \u4f46\u4e0d\u5bf9\u6e90\u670d\u52a1\u5668\u8bbe\u7f6e\u9650\u5236<\/h3>\n<p>\u653b\u51fb\u8005\u53ef\u80fd\u4f1a\u8bd5\u56fe\u7ed5\u8fc7\u8fb9\u7f18\u8282\u70b9\uff0c\u76f4\u63a5\u9488\u5bf9\u6e90\u8282\u70b9\u53d1\u8d77\u653b\u51fb\u3002.<\/p>\n<h3>\u5c01\u5835\u8fc7\u4e8e\u6fc0\u8fdb<\/h3>\n<p>Broad rules can deny service to legitimate visitors as effectively as the attack itself.<\/p>\n<h3>Assuming More CPU Solves DDoS<\/h3>\n<p>More compute can increase application capacity but cannot solve every network-level attack.<\/p>\n<h3>Waiting Until an Attack to Prepare<\/h3>\n<p>Know your provider's mitigation process, monitoring tools and emergency access procedures beforehand.<\/p>\n<h2>DDoS Protection FAQ<\/h2>\n<h3>Can a firewall prevent a DDoS attack?<\/h3>\n<p>A firewall can restrict unwanted connections and reduce attack surface, but a host-level firewall cannot stop an attack from saturating the upstream network connection. Large attacks generally require mitigation before traffic reaches the server.<\/p>\n<h3>Can a CDN protect a website from DDoS?<\/h3>\n<p>A CDN or reverse proxy can provide an important protection layer by distributing traffic, caching content and filtering requests. Effectiveness depends on the attack, service and configuration.<\/p>\n<h3>Will changing my server IP stop a DDoS attack?<\/h3>\n<p>Changing an IP may temporarily change the target, but it is not a durable defense if the new address becomes discoverable. Layered protection is a better long-term strategy.<\/p>\n<h3>Does a larger VPS provide better DDoS protection?<\/h3>\n<p>More CPU, RAM or bandwidth can increase capacity, but a larger VPS is not a substitute for upstream mitigation, edge filtering and application-level controls.<\/p>\n<h3>What is the best way to protect a website from DDoS attacks?<\/h3>\n<p>Use layered defenses: appropriate provider-level mitigation, an edge network or reverse proxy, WAF controls, rate limiting, origin protection, firewall rules, monitoring and a prepared incident response plan.<\/p>\n<h3>How can I protect WordPress from DDoS attacks?<\/h3>\n<p>Use upstream protection, CDN caching, application-layer filtering, rate limiting for sensitive endpoints, updated WordPress software and a secured origin server.<\/p>\n<h2>DDoS\u9632\u62a4\u68c0\u67e5\u6e05\u5355<\/h2>\n<ul>\n<li>\u2713 Use hosting with appropriate upstream DDoS mitigation<\/li>\n<li>\u2713 Put an edge network or reverse proxy in front of the origin<\/li>\n<li>\u2713 Restrict direct origin access where practical<\/li>\n<li>\u2713 Configure a server firewall<\/li>\n<li>\u2713 Apply appropriate rate limits<\/li>\n<li>\u2713 Use application-layer filtering<\/li>\n<li>\u2713 Cache safe content<\/li>\n<li>\u2713 Protect resource-intensive endpoints<\/li>\n<li>\u2713 Establish normal traffic baselines<\/li>\n<li>\u2713 Monitor abnormal traffic<\/li>\n<li>\u2713 Keep server and applications updated<\/li>\n<li>\u2713 Remove unnecessary public services<\/li>\n<li>\u2713 Build resilient infrastructure<\/li>\n<li>\u2713 Prepare an incident response plan<\/li>\n<li>\u2713 Maintain tested backups<\/li>\n<\/ul>\n<h2>\u6700\u7ec8\u5efa\u8bae<\/h2>\n<p>\u5b66\u4e60 <strong>\u5982\u4f55\u9632\u8303DDoS\u653b\u51fb<\/strong> is not about finding one firewall rule or buying a larger server.<\/p>\n<p>The strongest strategy uses multiple protection layers.<\/p>\n<p><strong>DETECT<\/strong><br \/>\nUnderstand normal traffic and identify abnormal behavior.<\/p>\n<p>\u2193<\/p>\n<p><strong>FILTER<\/strong><br \/>\nRemove malicious traffic as early as possible.<\/p>\n<p>\u2193<\/p>\n<p><strong>ABSORB<\/strong><br \/>\nUse upstream and distributed infrastructure where appropriate.<\/p>\n<p>\u2193<\/p>\n<p><strong>RATE LIMIT<\/strong><br \/>\nProtect expensive application resources.<\/p>\n<p>\u2193<\/p>\n<p><strong>PROTECT THE ORIGIN<\/strong><br \/>\nPrevent attackers from bypassing edge defenses.<\/p>\n<p>\u2193<\/p>\n<p><strong>MONITOR & RECOVER<\/strong><br \/>\nKnow when an attack happens and how to respond.<\/p>\n<p><strong>DDoS PROTECTION IS LAYERS.<\/strong><\/p>\n<p><strong>DETECT \u2192 FILTER \u2192 ABSORB \u2192 RATE LIMIT \u2192 PROTECT \u2192 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