{"id":19671,"date":"2024-11-03T09:28:00","date_gmt":"2024-11-03T01:28:00","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-cn\/why-your-business-needs-robust-ddos-protection\/"},"modified":"2025-04-10T09:34:17","modified_gmt":"2025-04-10T01:34:17","slug":"why-your-business-needs-robust-ddos-protection","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/blog\/why-your-business-needs-robust-ddos-protection\/","title":{"rendered":"\u4e3a\u4ec0\u4e48\u60a8\u7684\u4f01\u4e1a\u9700\u8981\u5f3a\u5927\u7684DDoS\u9632\u62a4\uff1f"},"content":{"rendered":"<p>\u5728\u5f53\u4eca\u7684\u6570\u5b57\u73af\u5883\u4e2d\uff0cDDoS\u653b\u51fb\u5df2\u7ecf\u4ece\u7b80\u5355\u7684\u6cdb\u6d2a\u6280\u672f\u6f14\u53d8\u4e3a\u590d\u6742\u7684\u591a\u5411\u91cf\u653b\u51fb\u3002\u5bf9\u4e8e\u5229\u7528\u9999\u6e2f\u6218\u7565\u4f4d\u7f6e\u8fdb\u884c\u670d\u52a1\u5668\u79df\u7528\u57fa\u7840\u8bbe\u65bd\u7684\u4f01\u4e1a\u6765\u8bf4\uff0c\u5b9e\u65bd<a href=\"https:\/\/www.varidata.com\/zh-cn\/server\/hk\/cn2\/\" target=\"_blank\">\u5f3a\u5927\u7684DDoS\u9632\u62a4<\/a>\u4e0d\u4ec5\u4ec5\u662f\u4e00\u4e2a\u9009\u62e9 &#8211; \u800c\u662f\u81f3\u5173\u91cd\u8981\u7684\u5fc5\u9700\u54c1\u3002<\/p>\n<h2><strong>\u4e86\u89e3\u73b0\u4ee3DDoS\u653b\u51fb\u6a21\u5f0f<\/strong><\/h2>\n<p>\u6700\u65b0\u7684\u653b\u51fb\u6570\u636e\u663e\u793a\uff0c\u9999\u6e2f\u670d\u52a1\u5668\u6bcf\u5b63\u5ea6\u5e73\u5747\u9762\u4e3423\u6b21DDoS\u653b\u51fb\u5c1d\u8bd5\uff0c\u5176\u4e2d\u91d1\u878d\u670d\u52a1\u548c\u7535\u5b50\u5546\u52a1\u5e73\u53f0\u662f\u4e3b\u8981\u76ee\u6807\u3002\u8fd9\u4e9b\u653b\u51fb\u901a\u5e38\u8868\u73b0\u4e3a\u4e09\u79cd\u4e0d\u540c\u7684\u6a21\u5f0f\uff1a<\/p>\n<ul>\n<li>\u5bb9\u91cf\u653b\u51fb\uff08\u7b2c3\/4\u5c42\uff09<\/li>\n<li>\u534f\u8bae\u653b\u51fb\uff08\u7b2c4\/5\u5c42\uff09<\/li>\n<li>\u5e94\u7528\u5c42\u653b\u51fb\uff08\u7b2c7\u5c42\uff09<\/li>\n<\/ul>\n<h2><strong>\u6280\u672f\u6df1\u5ea6\u5206\u6790\uff1a\u653b\u51fb\u5411\u91cf<\/strong><\/h2>\n<p>\u8ba9\u6211\u4eec\u5206\u6790\u4e00\u4e2a\u5e38\u89c1\u7684UDP\u6cdb\u6d2a\u653b\u51fb\u6a21\u5f0f\u3002\u4ee5\u4e0b\u662f\u663e\u793a\u653b\u51fb\u7279\u5f81\u7684\u7b80\u5316\u6570\u636e\u5305\u6355\u83b7\uff1a<\/p>\n<pre><code>\r\n# UDP\u6cdb\u6d2a\u6a21\u5f0f\u793a\u4f8b\r\ntcpdump -nn -i eth0 'udp and port 80' -c 5\r\n14:23:01.234567 IP 192.168.1.100.31337 > 10.0.0.1.80: UDP, length 1024\r\n14:23:01.234568 IP 192.168.1.101.31337 > 10.0.0.1.80: UDP, length 1024\r\n14:23:01.234569 IP 192.168.1.102.31337 > 10.0.0.1.80: UDP, length 1024\r\n<\/code><\/pre>\n<h2><strong>\u5b9e\u65bd\u9632\u5fa1\u673a\u5236<\/strong><\/h2>\n<p>\u591a\u5c42\u9632\u5fa1\u7b56\u7565\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u5b9e\u7528\u7684\u5b9e\u65bd\u67b6\u6784\uff1a<\/p>\n<ol>\n<li>\u8fb9\u7f18\u9632\u62a4\uff1a\n<ul>\n<li>\u4efb\u64ad\u7f51\u7edc\u5206\u5e03<\/li>\n<li>BGP Flowspec\u5b9e\u65bd<\/li>\n<li>\u6d41\u91cf\u6e05\u6d17\u4e2d\u5fc3<\/li>\n<\/ul>\n<\/li>\n<li>\u5e94\u7528\u5c42\uff1a\n<ul>\n<li>\u901f\u7387\u9650\u5236<\/li>\n<li>\u6311\u6218-\u54cd\u5e94\u673a\u5236<\/li>\n<li>\u884c\u4e3a\u5206\u6790<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2><strong>\u9999\u6e2f\u7279\u5b9a\u8003\u8651\u56e0\u7d20<\/strong><\/h2>\n<p>\u9999\u6e2f\u4f5c\u4e3a\u4e9a\u592a\u5730\u533a\u67a2\u7ebd\u7684\u5730\u4f4d\u5e26\u6765\u4e86\u72ec\u7279\u7684\u6311\u6218\u3002\u4e0e\u4e2d\u56fd\u5927\u9646\u7684\u8fde\u63a5\u5ef6\u8fdf\u3001\u8de8\u5883\u6d41\u91cf\u68c0\u67e5\u548c\u533a\u57df\u5408\u89c4\u8981\u6c42\u9700\u8981\u4e13\u95e8\u7684\u4fdd\u62a4\u914d\u7f6e\u3002<\/p>\n<h2><strong>\u5b9e\u65bd\u6307\u5357<\/strong><\/h2>\n<p>\u4ee5\u4e0b\u662f\u7528\u4e8e\u521d\u59cbDDoS\u7f13\u89e3\u7684\u57fa\u672ciptables\u914d\u7f6e\uff1a<\/p>\n<pre><code>\r\n# \u9650\u5236\u4f20\u5165SYN\u6570\u636e\u5305\u7684\u901f\u7387\r\niptables -A INPUT -p tcp --syn -m limit --limit 1\/s --limit-burst 3 -j ACCEPT\r\niptables -A INPUT -p tcp --syn -j DROP\r\n\r\n# \u9632\u6b62\u7aef\u53e3\u626b\u63cf\r\niptables -A INPUT -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j DROP\r\niptables -A INPUT -p tcp -m tcp --tcp-flags FIN,SYN FIN,SYN -j DROP\r\n<\/code><\/pre>\n<h2><strong>\u76d1\u63a7\u548c\u54cd\u5e94<\/strong><\/h2>\n<p>\u4f7f\u7528Prometheus\u548cGrafana\u7b49\u5de5\u5177\u5b9e\u65bd\u5b9e\u65f6\u76d1\u63a7\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\u76d1\u63a7\u914d\u7f6e\uff1a<\/p>\n<pre><code>\r\n# prometheus.yml\r\nscrape_configs:\r\n  - job_name: 'ddos_metrics'\r\n    static_configs:\r\n      - targets: ['localhost:9100']\r\n    metrics_path: '\/metrics'\r\n    scrape_interval: 10s\r\n<\/code><\/pre>\n<h2><strong>\u6210\u672c\u6548\u76ca\u5206\u6790<\/strong><\/h2>\n<p>DDoS\u9632\u62a4\u6295\u8d44\u6839\u636e\u4e1a\u52a1\u89c4\u6a21\u548c\u8981\u6c42\u800c\u6709\u6240\u4e0d\u540c\u3002\u5f71\u54cd\u4fdd\u62a4\u6210\u672c\u7684\u5173\u952e\u56e0\u7d20\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6d41\u91cf\u89c4\u6a21\u548c\u6a21\u5f0f<\/li>\n<li>\u6240\u9700\u7f13\u89e3\u5bb9\u91cf<\/li>\n<li>\u4fdd\u62a4\u670d\u52a1\u7ea7\u522b<\/li>\n<li>\u5b9e\u65bd\u590d\u6742\u5ea6<\/li>\n<\/ul>\n<h2><strong>\u672a\u6765\u57fa\u7840\u8bbe\u65bd\u89c4\u5212<\/strong><\/h2>\n<p>\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u4fdd\u6301\u9886\u5148\u4e8e\u4e0d\u65ad\u6f14\u53d8\u7684\u5a01\u80c1\uff1a<\/p>\n<ul>\n<li>\u5b9e\u65bd\u57fa\u4e8eAI\u7684\u6d41\u91cf\u5206\u6790<\/li>\n<li>\u5229\u7528\u4e91\u539f\u751f\u5b89\u5168\u89e3\u51b3\u65b9\u6848<\/li>\n<li>\u5b9a\u671f\u6e17\u900f\u6d4b\u8bd5<\/li>\n<li>\u81ea\u52a8\u54cd\u5e94\u7cfb\u7edf<\/li>\n<\/ul>\n<h2><strong>\u7ed3\u8bba<\/strong><\/h2>\n<p>\u5bf9\u4e8e\u901a\u8fc7\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u57fa\u7840\u8bbe\u65bd\u8fd0\u8425\u7684\u4f01\u4e1a\u6765\u8bf4\uff0c\u5168\u9762\u7684DDoS\u9632\u62a4\u4e0d\u4ec5\u4ec5\u662f\u5b89\u5168\u95ee\u9898 &#8211; \u5b83\u5173\u7cfb\u5230\u5728\u65e5\u76ca\u6076\u52a3\u7684\u6570\u5b57\u73af\u5883\u4e2d\u786e\u4fdd\u4e1a\u52a1\u8fde\u7eed\u6027\u3002\u7acb\u5373\u91c7\u53d6\u884c\u52a8\uff0c\u901a\u8fc7\u5f3a\u5927\u7684DDoS\u7f13\u89e3\u7b56\u7565\u4fdd\u62a4\u60a8\u7684\u6570\u5b57\u8d44\u4ea7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5f53\u4eca\u7684\u6570\u5b57\u73af\u5883\u4e2d\uff0cDDoS\u653b\u51fb\u5df2\u7ecf\u4ece\u7b80\u5355\u7684\u6cdb\u6d2a\u6280\u672f\u6f14\u53d8\u4e3a\u590d\u6742\u7684\u591a\u5411\u91cf\u653b\u51fb\u3002\u5bf9\u4e8e\u5229\u7528\u9999\u6e2f\u6218\u7565\u4f4d\u7f6e\u8fdb\u884c\u670d\u52a1\u5668\u79df\u7528\u57fa\u7840\u8bbe\u65bd\u7684\u4f01\u4e1a\u6765\u8bf4\uff0c\u5b9e\u65bd\u5f3a\u5927\u7684DDoS\u9632\u62a4\u4e0d\u4ec5\u4ec5\u662f\u4e00\u4e2a\u9009\u62e9 &#8211; \u800c\u662f\u81f3\u5173\u91cd\u8981\u7684\u5fc5\u9700\u54c1\u3002 \u4e86\u89e3\u73b0\u4ee3DDoS\u653b\u51fb\u6a21\u5f0f \u6700\u65b0\u7684\u653b\u51fb\u6570\u636e\u663e\u793a\uff0c\u9999\u6e2f\u670d\u52a1\u5668\u6bcf\u5b63\u5ea6\u5e73\u5747\u9762\u4e3423\u6b21DDoS\u653b\u51fb\u5c1d\u8bd5\uff0c\u5176\u4e2d\u91d1\u878d\u670d\u52a1\u548c\u7535\u5b50\u5546\u52a1\u5e73\u53f0\u662f\u4e3b\u8981\u76ee\u6807\u3002\u8fd9\u4e9b\u653b\u51fb\u901a\u5e38\u8868\u73b0\u4e3a\u4e09\u79cd\u4e0d\u540c\u7684\u6a21\u5f0f\uff1a \u5bb9\u91cf\u653b\u51fb\uff08\u7b2c3\/4\u5c42\uff09 \u534f\u8bae\u653b\u51fb\uff08\u7b2c4\/5\u5c42\uff09 \u5e94\u7528\u5c42\u653b\u51fb\uff08\u7b2c7\u5c42\uff09 \u6280\u672f\u6df1\u5ea6\u5206\u6790\uff1a\u653b\u51fb\u5411\u91cf \u8ba9\u6211\u4eec\u5206\u6790\u4e00\u4e2a\u5e38\u89c1\u7684UDP\u6cdb\u6d2a\u653b\u51fb\u6a21\u5f0f\u3002\u4ee5\u4e0b\u662f\u663e\u793a\u653b\u51fb\u7279\u5f81\u7684\u7b80\u5316\u6570\u636e\u5305\u6355\u83b7\uff1a # UDP\u6cdb\u6d2a\u6a21\u5f0f\u793a\u4f8b tcpdump -nn -i eth0 &#8216;udp and port 80&#8217; -c 5 14:23:01.234567 IP 192.168.1.100.31337 > 10.0.0.1.80: UDP, length 1024 14:23:01.234568 IP 192.168.1.101.31337 > 10.0.0.1.80: UDP, length 1024 14:23:01.234569 IP 192.168.1.102.31337 > 10.0.0.1.80: UDP, length 1024 \u5b9e\u65bd\u9632\u5fa1\u673a\u5236 \u591a\u5c42\u9632\u5fa1\u7b56\u7565\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u5b9e\u7528\u7684\u5b9e\u65bd\u67b6\u6784\uff1a \u8fb9\u7f18\u9632\u62a4\uff1a \u4efb\u64ad\u7f51\u7edc\u5206\u5e03 BGP Flowspec\u5b9e\u65bd \u6d41\u91cf\u6e05\u6d17\u4e2d\u5fc3 \u5e94\u7528\u5c42\uff1a \u901f\u7387\u9650\u5236 [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/www.varidata.com\/zh-cn\/blog\/why-your-business-needs-robust-ddos-protection\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":3,"featured_media":19669,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[76],"tags":[],"class_list":["post-19671","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u4e3a\u4ec0\u4e48\u60a8\u7684\u4f01\u4e1a\u9700\u8981\u5f3a\u5927\u7684DDoS\u9632\u62a4\uff1f<\/title>\n<meta name=\"description\" content=\"\u4e86\u89e3\u4e3a\u4ec0\u4e48DDoS\u9632\u62a4\u5bf9\u60a8\u7684\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u57fa\u7840\u8bbe\u65bd\u81f3\u5173\u91cd\u8981\u3002\u4e3a\u6280\u672f\u4e13\u4e1a\u4eba\u5458\u63a2\u7d22\u771f\u5b9e\u4e16\u754c\u7684\u653b\u51fb\u6a21\u5f0f\u3001\u7f13\u89e3\u7b56\u7565\u548c\u5b9e\u65bd\u6307\u5357\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.varidata.com\/zh-cn\/blog\/why-your-business-needs-robust-ddos-protection\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4e3a\u4ec0\u4e48\u60a8\u7684\u4f01\u4e1a\u9700\u8981\u5f3a\u5927\u7684DDoS\u9632\u62a4\uff1f\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.varidata.com\/zh-cn\/blog\/why-your-business-needs-robust-ddos-protection\/\" \/>\n<meta property=\"og:site_name\" content=\"Varidata Limited\" \/>\n<meta property=\"article:published_time\" content=\"2024-11-03T01:28:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-04-10T01:34:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.varidata.com\/wp-content\/uploads\/2025\/04\/var_1103_04.jpg\" \/>\n\t<meta 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