{"id":19672,"date":"2024-11-03T09:28:00","date_gmt":"2024-11-03T01:28:00","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-tw\/why-your-business-needs-robust-ddos-protection\/"},"modified":"2025-04-10T09:33:28","modified_gmt":"2025-04-10T01:33:28","slug":"why-your-business-needs-robust-ddos-protection","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-tw\/blog-tc\/why-your-business-needs-robust-ddos-protection\/","title":{"rendered":"\u70ba\u4ec0\u9ebc\u60a8\u7684\u4f01\u696d\u9700\u8981\u5f37\u5927\u7684DDoS\u9632\u8b77\uff1f"},"content":{"rendered":"<p>\u5728\u7576\u4eca\u7684\u6578\u4f4d\u74b0\u5883\u4e2d\uff0cDDoS\u653b\u64ca\u5df2\u7d93\u5f9e\u7c21\u55ae\u7684\u6cdb\u6d2a\u6280\u8853\u6f14\u8b8a\u70ba\u8907\u96dc\u7684\u591a\u5411\u91cf\u653b\u64ca\u3002\u5c0d\u65bc\u5229\u7528\u9999\u6e2f\u6230\u7565\u4f4d\u7f6e\u9032\u884c\u4f3a\u670d\u5668\u79df\u7528\u57fa\u790e\u8a2d\u65bd\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u5be6\u65bd<a href=\"https:\/\/www.varidata.com\/zh-tw\/server\/hk\/cn2\/\" target=\"_blank\">\u5f37\u5927\u7684DDoS\u9632\u8b77<\/a>\u4e0d\u50c5\u50c5\u662f\u4e00\u500b\u9078\u64c7 &#8211; \u800c\u662f\u81f3\u95dc\u91cd\u8981\u7684\u5fc5\u9700\u54c1\u3002<\/p>\n<h2><strong>\u4e86\u89e3\u73fe\u4ee3DDoS\u653b\u64ca\u6a21\u5f0f<\/strong><\/h2>\n<p>\u6700\u65b0\u7684\u653b\u64ca\u8cc7\u6599\u986f\u793a\uff0c\u9999\u6e2f\u4f3a\u670d\u5668\u6bcf\u5b63\u5ea6\u5e73\u5747\u9762\u81e823\u6b21DDoS\u653b\u64ca\u5617\u8a66\uff0c\u5176\u4e2d\u91d1\u878d\u670d\u52d9\u548c\u96fb\u5b50\u5546\u52d9\u5e73\u81fa\u662f\u4e3b\u8981\u76ee\u6a19\u3002\u9019\u4e9b\u653b\u64ca\u901a\u5e38\u8868\u73fe\u70ba\u4e09\u7a2e\u4e0d\u540c\u7684\u6a21\u5f0f\uff1a<\/p>\n<ul>\n<li>\u5bb9\u91cf\u653b\u64ca\uff08\u7b2c3\/4\u5c64\uff09<\/li>\n<li>\u5354\u8b70\u653b\u64ca\uff08\u7b2c4\/5\u5c64\uff09<\/li>\n<li>\u61c9\u7528\u5c64\u653b\u64ca\uff08\u7b2c7\u5c64\uff09<\/li>\n<\/ul>\n<h2><strong>\u6280\u8853\u6df1\u5ea6\u5206\u6790\uff1a\u653b\u64ca\u5411\u91cf<\/strong><\/h2>\n<p>\u8b93\u6211\u5011\u5206\u6790\u4e00\u500b\u5e38\u898b\u7684UDP\u6cdb\u6d2a\u653b\u64ca\u6a21\u5f0f\u3002\u4ee5\u4e0b\u662f\u986f\u793a\u653b\u64ca\u7279\u5fb5\u7684\u7c21\u5316\u8cc7\u6599\u5305\u64f7\u53d6\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>\u5be6\u65bd\u9632\u79a6\u6a5f\u5236<\/strong><\/h2>\n<p>\u591a\u5c64\u9632\u79a6\u7b56\u7565\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u5be6\u7528\u7684\u5be6\u65bd\u67b6\u69cb\uff1a<\/p>\n<ol>\n<li>\u908a\u7de3\u9632\u8b77\uff1a\n<ul>\n<li>\u4efb\u64ad\u7db2\u8def\u5206\u4f48<\/li>\n<li>BGP Flowspec\u5be6\u65bd<\/li>\n<li>\u6d41\u91cf\u6e05\u6d17\u4e2d\u5fc3<\/li>\n<\/ul>\n<\/li>\n<li>\u61c9\u7528\u5c64\uff1a\n<ul>\n<li>\u901f\u7387\u9650\u5236<\/li>\n<li>\u6311\u6230-\u56de\u61c9\u6a5f\u5236<\/li>\n<li>\u884c\u70ba\u5206\u6790<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2><strong>\u9999\u6e2f\u7279\u5b9a\u8003\u616e\u56e0\u7d20<\/strong><\/h2>\n<p>\u9999\u6e2f\u4f5c\u70ba\u4e9e\u592a\u5730\u5340\u6a1e\u7d10\u7684\u5730\u4f4d\u5e36\u4f86\u4e86\u7368\u7279\u7684\u6311\u6230\u3002\u8207\u4e2d\u570b\u5927\u9678\u7684\u9023\u63a5\u5ef6\u9072\u3001\u8de8\u5883\u6d41\u91cf\u6aa2\u67e5\u548c\u5340\u57df\u5408\u898f\u8981\u6c42\u9700\u8981\u5c08\u9580\u7684\u4fdd\u8b77\u914d\u7f6e\u3002<\/p>\n<h2><strong>\u5be6\u65bd\u6307\u5357<\/strong><\/h2>\n<p>\u4ee5\u4e0b\u662f\u7528\u65bc\u521d\u59cbDDoS\u7de9\u89e3\u7684\u57fa\u672ciptables\u914d\u7f6e\uff1a<\/p>\n<pre><code>\r\n# \u9650\u5236\u50b3\u5165SYN\u8cc7\u6599\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\u6383\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>\u76e3\u63a7\u548c\u56de\u61c9<\/strong><\/h2>\n<p>\u4f7f\u7528Prometheus\u548cGrafana\u7b49\u5de5\u5177\u5be6\u65bd\u5373\u6642\u76e3\u63a7\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\u76e3\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\u8b77\u6295\u8cc7\u6839\u64da\u696d\u52d9\u898f\u6a21\u548c\u8981\u6c42\u800c\u6709\u6240\u4e0d\u540c\u3002\u5f71\u97ff\u4fdd\u8b77\u6210\u672c\u7684\u95dc\u9375\u56e0\u7d20\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6d41\u91cf\u898f\u6a21\u548c\u6a21\u5f0f<\/li>\n<li>\u6240\u9700\u7de9\u89e3\u5bb9\u91cf<\/li>\n<li>\u4fdd\u8b77\u670d\u52d9\u7d1a\u5225<\/li>\n<li>\u5be6\u65bd\u8907\u96dc\u5ea6<\/li>\n<\/ul>\n<h2><strong>\u672a\u4f86\u57fa\u790e\u8a2d\u65bd\u898f\u5283<\/strong><\/h2>\n<p>\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u4fdd\u6301\u9818\u5148\u65bc\u4e0d\u65b7\u6f14\u8b8a\u7684\u5a01\u8105\uff1a<\/p>\n<ul>\n<li>\u5be6\u65bd\u57fa\u65bcAI\u7684\u6d41\u91cf\u5206\u6790<\/li>\n<li>\u5229\u7528\u96f2\u539f\u751f\u5b89\u5168\u89e3\u6c7a\u65b9\u6848<\/li>\n<li>\u5b9a\u671f\u6ef2\u900f\u6e2c\u8a66<\/li>\n<li>\u81ea\u52d5\u56de\u61c9\u7cfb\u7d71<\/li>\n<\/ul>\n<h2><strong>\u7d50\u8ad6<\/strong><\/h2>\n<p>\u5c0d\u65bc\u901a\u904e\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528\u57fa\u790e\u8a2d\u65bd\u904b\u71df\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u5168\u9762\u7684DDoS\u9632\u8b77\u4e0d\u50c5\u50c5\u662f\u5b89\u5168\u554f\u984c &#8211; \u5b83\u95dc\u4fc2\u5230\u5728\u65e5\u76ca\u60e1\u52a3\u7684\u6578\u4f4d\u74b0\u5883\u4e2d\u78ba\u4fdd\u696d\u52d9\u9023\u7e8c\u6027\u3002\u7acb\u5373\u63a1\u53d6\u884c\u52d5\uff0c\u901a\u904e\u5f37\u5927\u7684DDoS\u7de9\u89e3\u7b56\u7565\u4fdd\u8b77\u60a8\u7684\u6578\u4f4d\u8cc7\u7522\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u7576\u4eca\u7684\u6578\u4f4d\u74b0\u5883\u4e2d\uff0cDDoS\u653b\u64ca\u5df2\u7d93\u5f9e\u7c21\u55ae\u7684\u6cdb\u6d2a\u6280\u8853\u6f14\u8b8a\u70ba\u8907\u96dc\u7684\u591a\u5411\u91cf\u653b\u64ca\u3002\u5c0d\u65bc\u5229\u7528\u9999\u6e2f\u6230\u7565\u4f4d\u7f6e\u9032\u884c\u4f3a\u670d\u5668\u79df\u7528 [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/www.varidata.com\/zh-tw\/blog-tc\/why-your-business-needs-robust-ddos-protection\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":3,"featured_media":19670,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[267],"tags":[],"class_list":["post-19672","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-tc"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u70ba\u4ec0\u9ebc\u60a8\u7684\u4f01\u696d\u9700\u8981\u5f37\u5927\u7684DDoS\u9632\u8b77\uff1f<\/title>\n<meta name=\"description\" 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