{"id":21982,"date":"2025-07-02T14:36:47","date_gmt":"2025-07-02T06:36:47","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-tw\/how-to-enhance-ddos-defense-for-hong-kong-servers\/"},"modified":"2025-07-02T14:43:11","modified_gmt":"2025-07-02T06:43:11","slug":"how-to-enhance-ddos-defense-for-hong-kong-servers","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-tw\/blog-tc\/how-to-enhance-ddos-defense-for-hong-kong-servers\/","title":{"rendered":"\u5982\u4f55\u63d0\u5347\u9999\u6e2f\u4f3a\u670d\u5668\u5c0dDDoS\u653b\u64ca\u7684\u9632\u79a6\u80fd\u529b\uff1f"},"content":{"rendered":"<div class=\"content-section\">\n<p>\u5728\u9999\u6e2f\u6578\u4f4d\u57fa\u790e\u8a2d\u65bd\u7684\u52d5\u614b\u74b0\u5883\u4e2d\uff0c\u9632\u79a6\u4f3a\u670d\u5668\u514d\u53d7DDoS\u653b\u64ca\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u4f5c\u70ba\u9023\u63a5\u6771\u897f\u65b9\u7684\u4e3b\u8981\u79d1\u6280\u6a1e\u7d10\uff0c\u9999\u6e2f\u7684\u4f3a\u670d\u5668\u8a2d\u65bd\u6bcf\u5929\u90fd\u9762\u81e8\u8457\u8907\u96dc\u7684DDoS\u5a01\u8105\u3002\u672c\u7d9c\u5408\u6307\u5357\u63a2\u8a0e\u4e86\u52a0\u5f37<a href=\"https:\/\/www.varidata.com\/zh-tw\/server\/hk\/cn2\/\" target=\"_blank\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u62b5\u79a6DDoS\u653b\u64ca\u7684\u524d\u6cbf\u7b56\u7565\uff0c\u7d50\u5408\u4e86\u6700\u65b0\u7684\u5b89\u5168\u5354\u5b9a\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<\/div>\n<div class=\"content-section\">\n<h2><strong>\u4e86\u89e3\u73fe\u4ee3DDoS\u5a01\u8105<\/strong><\/h2>\n<p>DDoS\u653b\u64ca\u5df2\u7d93\u8d85\u8d8a\u4e86\u7c21\u55ae\u7684\u6cdb\u6d2a\u653b\u64ca\u3002\u7576\u4eca\u7684\u5a01\u8105\u5f62\u52e2\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u7b2c7\u5c64\u61c9\u7528\u7a0b\u5f0f\u653b\u64ca<\/li>\n<li>\u57fa\u65bc\u5354\u5b9a\u7684\u5bb9\u91cf\u653b\u64ca<\/li>\n<li>\u6df7\u5408\u5411\u91cf\u8907\u96dc\u653b\u64ca<\/li>\n<li>\u7269\u806f\u7db2\u6bad\u5c4d\u7db2\u8def\u9a45\u52d5\u7684\u5a01\u8105<\/li>\n<\/ul>\n<p>\u6839\u64da\u6700\u8fd1\u7684\u7db2\u8def\u5b89\u5168\u5831\u544a\uff0c\u9999\u6e2f\u4f3a\u670d\u5668\u6bcf\u9031\u5e73\u5747\u9762\u81e82,000\u6b21DDoS\u653b\u64ca\u5617\u8a66\uff0c\u5728\u56b4\u91cd\u60c5\u6cc1\u4e0b\u653b\u64ca\u6d41\u91cf\u53ef\u9054800 Gbps\u3002<\/p>\n<\/div>\n<div class=\"content-section\">\n<h2><strong>DDoS\u9632\u8b77\u7684\u6838\u5fc3\u5143\u4ef6<\/strong><\/h2>\n<p>\u5efa\u69cb\u5f37\u5927\u7684DDoS\u9632\u8b77\u7cfb\u7d71\u9700\u8981\u591a\u5c64\u6b21\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u6838\u5fc3\u5143\u4ef6\u7684\u6df1\u5165\u89e3\u6790\uff1a<\/p>\n<h3>1. \u6d41\u91cf\u6e05\u6d17\u67b6\u69cb<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u8a2d\u5b9a\u65b9\u6cd5\u5be6\u65bd\u9ad8\u7d1a\u6d41\u91cf\u6e05\u6d17\uff1a<\/p>\n<pre><code>\r\n# Nginx DDoS\u7de9\u89e3\u8a2d\u5b9a\u793a\u4f8b\r\nhttp {\r\n    limit_req_zone $binary_remote_addr zone=one:10m rate=1r\/s;\r\n    limit_conn_zone $binary_remote_addr zone=addr:10m;\r\n\r\n    server {\r\n        location \/ {\r\n            limit_req zone=one burst=5;\r\n            limit_conn addr 10;\r\n        }\r\n    }\r\n}\r\n    <\/code><\/pre>\n<h3>2. \u7db2\u8def\u5c64\u9632\u8b77<\/h3>\n<ul>\n<li>BGP Flowspec\u5be6\u65bd<\/li>\n<li>\u81ea\u52d5\u7a7a\u8def\u7531\u89f8\u767c\u5668<\/li>\n<li>\u9632\u6b3a\u9a19\u904e\u6ffe\u5668<\/li>\n<li>\u52d5\u614b\u901f\u7387\u9650\u5236<\/li>\n<\/ul>\n<\/div>\n<div class=\"content-section\">\n<h2><strong>\u9ad8\u7d1a\u7de9\u89e3\u7b56\u7565<\/strong><\/h2>\n<p>\u73fe\u4ee3\u9632\u8b77\u9700\u8981\u8907\u96dc\u7684\u65b9\u6cd5\u3002\u8003\u616e\u4ee5\u4e0b\u6280\u8853\u5be6\u65bd\uff1a<\/p>\n<ol>\n<li>\u5be6\u65bd\u4efb\u64ad\u7db2\u8def\u5206\u5e03\n<ul>\n<li>\u5728\u9999\u6e2f\u591a\u500bPOP\u9ede\u90e8\u7f72<\/li>\n<li>\u8a2d\u5b9aBGP\u516c\u544a<\/li>\n<li>\u8a2d\u7f6e\u7bc0\u9ede\u9593\u8ca0\u8f09\u5e73\u8861<\/li>\n<\/ul>\n<\/li>\n<li>\u8a2d\u5b9a\u667a\u6167\u6d41\u91cf\u5206\u6790\n<ul>\n<li>\u5373\u6642\u8cc7\u6599\u5305\u6aa2\u6e2c<\/li>\n<li>\u57fa\u65bc\u6a5f\u5668\u5b78\u7fd2\u7684\u7570\u5e38\u6aa2\u6e2c<\/li>\n<li>\u884c\u70ba\u5206\u6790\u7cfb\u7d71<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/div>\n<div class=\"content-section\">\n<h2><strong>CDN\u6574\u5408\u548c\u6700\u4f73\u5316<\/strong><\/h2>\n<p>\u9999\u6e2f\u7684\u6230\u7565\u4f4d\u7f6e\u4f7f\u5176\u6210\u70baCDN\u90e8\u7f72\u7684\u7406\u60f3\u5730\u9ede\u3002\u4ee5\u4e0b\u662f\u6700\u4f73CDN\u8a2d\u5b9a\u7684\u6280\u8853\u7d30\u7bc0\uff1a<\/p>\n<pre><code>\r\n# CDN\u8a2d\u5b9a\u793a\u4f8b\r\norigin_shield:\r\n  enabled: true\r\n  datacenter: HKG\r\n  max_connections: 10000\r\n  ttl_settings:\r\n    static_content: 86400\r\n    dynamic_content: 0\r\n    api_endpoints: 60\r\n    <\/code><\/pre>\n<p>\u6b64\u8a2d\u5b9a\u78ba\u4fdd\u5728\u7dad\u6301\u4f86\u81ea\u4e2d\u570b\u5927\u9678\u548c\u570b\u969b\u4f86\u6e90\u7684\u5408\u6cd5\u6d41\u91cf\u6548\u80fd\u7684\u540c\u6642\u63d0\u4f9b\u6700\u4f73\u9632\u8b77\u3002<\/p>\n<\/div>\n<div class=\"content-section\">\n<h2><strong>\u57fa\u65bc\u96f2\u7aef\u7684\u9632\u8b77\u89e3\u6c7a\u65b9\u6848<\/strong><\/h2>\n<p>\u5229\u7528\u96f2\u7aef\u57fa\u790e\u8a2d\u65bd\u9032\u884cDDoS\u9632\u8b77\u53ef\u63d0\u4f9b\u53ef\u64f4\u5c55\u6027\u548c\u5f48\u6027\u3002\u4ee5\u4e0b\u662f\u6280\u8853\u5be6\u65bd\u6307\u5357\uff1a<\/p>\n<h3>\u81ea\u52d5\u64f4\u5c55\u8a2d\u5b9a<\/h3>\n<pre><code>\r\n# AWS\u81ea\u52d5\u64f4\u5c55DDoS\u7de9\u89e3\u793a\u4f8b\r\nresource \"aws_autoscaling_group\" \"ddos_protection\" {\r\n  name                = \"ddos-protection-asg\"\r\n  max_size           = 10\r\n  min_size           = 2\r\n  health_check_type  = \"ELB\"\r\n  vpc_zone_identifier = [\"subnet-xxx\", \"subnet-yyy\"]\r\n  \r\n  tag {\r\n    key                 = \"Environment\"\r\n    value               = \"Production\"\r\n    propagate_at_launch = true\r\n  }\r\n}\r\n    <\/code><\/pre>\n<h3>\u5be6\u65bd\u6e05\u55ae<\/h3>\n<ul>\n<li>\u8a2d\u5b9a\u96f2\u7aefWAF\u898f\u5247\uff1a\n<ul>\n<li>\u57fa\u65bc\u901f\u7387\u7684\u898f\u5247<\/li>\n<li>IP\u4fe1\u8b7d\u904e\u6ffe<\/li>\n<li>\u57fa\u65bc\u5730\u7406\u4f4d\u7f6e\u7684\u5b58\u53d6\u63a7\u5236<\/li>\n<\/ul>\n<\/li>\n<li>\u8a2d\u7f6e\u76e3\u63a7\u95be\u503c\uff1a\n<ul>\n<li>\u7db2\u8def\u541e\u5410\u91cf\u8b66\u5831<\/li>\n<li>\u9023\u7dda\u6578\u76e3\u63a7<\/li>\n<li>\u8acb\u6c42\u7387\u8ffd\u8e64<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<div class=\"content-section\">\n<h2><strong>\u76e3\u63a7\u548c\u56de\u61c9\u7cfb\u7d71<\/strong><\/h2>\n<p>\u5be6\u65bd\u5305\u542b\u4ee5\u4e0b\u5143\u4ef6\u7684\u7d9c\u5408\u76e3\u63a7\u67b6\u69cb\uff1a<\/p>\n<pre><code>\r\n# Prometheus\u8b66\u5831\u8a2d\u5b9a\r\ngroups:\r\n- name: DDoS_Alerts\r\n  rules:\r\n  - alert: HighTrafficSpike\r\n    expr: sum(rate(nginx_http_requests_total[1m])) > 10000\r\n    for: 1m\r\n    labels:\r\n      severity: critical\r\n    annotations:\r\n      description: \"\u6aa2\u6e2c\u5230\u6d41\u91cf\u7a81\u589e - \u53ef\u80fd\u662fDDoS\u653b\u64ca\"\r\n    <\/code><\/pre>\n<ol>\n<li>\u8a2d\u7f6e\u5373\u6642\u76e3\u63a7\uff1a\n<ul>\n<li>\u7db2\u8def\u6d41\u91cf\u6a21\u5f0f<\/li>\n<li>\u4f3a\u670d\u5668\u8cc7\u6e90\u4f7f\u7528\u7387<\/li>\n<li>\u61c9\u7528\u7a0b\u5f0f\u6548\u80fd\u6307\u6a19<\/li>\n<\/ul>\n<\/li>\n<li>\u8a2d\u5b9a\u81ea\u52d5\u56de\u61c9\uff1a\n<ul>\n<li>\u6d41\u91cf\u9ed1\u6d1e\u89f8\u767c\u5668<\/li>\n<li>\u901f\u7387\u9650\u5236\u8abf\u6574<\/li>\n<li>\u8b66\u5831\u5347\u7d1a\u7a0b\u5e8f<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/div>\n<div class=\"content-section\">\n<h2><strong>\u6210\u672c\u6548\u76ca\u5206\u6790<\/strong><\/h2>\n<p>\u5728\u9999\u6e2f\u4f3a\u670d\u5668\u5be6\u65bdDDoS\u9632\u8b77\u6642\uff0c\u8acb\u8003\u616e\u4ee5\u4e0b\u6295\u8cc7\u5831\u916c\u56e0\u7d20\uff1a<\/p>\n<style>\n        table {\n            border-collapse: collapse;\n            width: 100%;\n            max-width: 800px;\n            margin: 20px auto;\n        }<\/p>\n<p>        th, td {\n            border: 1px solid #ddd;\n            padding: 12px;\n            text-align: left;\n        }<\/p>\n<p>        th {\n            background-color: #f5f5f5;\n            font-weight: bold;\n        }<\/p>\n<p>        tr:nth-child(even) {\n            background-color: #fafafa;\n        }<\/p>\n<p>        tr:hover {\n            background-color: #f0f0f0;\n        }\n    <\/style>\n<table>\n<thead>\n<tr>\n<th>\u9632\u8b77\u7b49\u7d1a<\/th>\n<th>\u6295\u8cc7\u6c34\u6e96<\/th>\n<th>\u9632\u8b77\u80fd\u529b<\/th>\n<th>\u56de\u61c9\u6642\u9593<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u57fa\u790e<\/td>\n<td>\u5165\u9580\u7d1a<\/td>\n<td>10 Gbps<\/td>\n<td>15\u5206\u9418<\/td>\n<\/tr>\n<tr>\n<td>\u9ad8\u7d1a<\/td>\n<td>\u4e2d\u7aef<\/td>\n<td>100 Gbps<\/td>\n<td>5\u5206\u9418<\/td>\n<\/tr>\n<tr>\n<td>\u4f01\u696d\u7d1a<\/td>\n<td>\u9ad8\u7aef<\/td>\n<td>1 Tbps+<\/td>\n<td>\u5373\u6642<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"content-section\">\n<h2><strong>\u6848\u4f8b\u7814\u7a76\uff1a\u5be6\u969b\u5be6\u65bd<\/strong><\/h2>\n<p>\u4e00\u5bb6\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528\u63d0\u4f9b\u5546\u4f7f\u7528\u4ee5\u4e0b\u67b6\u69cb\u6210\u529f\u7de9\u89e3\u4e86500 Gbps\u7684\u653b\u64ca\uff1a<\/p>\n<ul>\n<li>\u4e3b\u8981\u9632\u79a6\u5c64\uff1a\n<ul>\n<li>\u5206\u6563\u5f0f\u4efb\u64ad\u7db2\u8def<\/li>\n<li>\u591a\u500b100GE\u4e0a\u884c\u9023\u7d50<\/li>\n<li>\u7528\u65bc\u9ed1\u6d1e\u8def\u7531\u7684BGP\u793e\u7fa4<\/li>\n<\/ul>\n<\/li>\n<li>\u6b21\u8981\u9632\u8b77\uff1a\n<ul>\n<li>\u672c\u5730\u6e05\u6d17\u4e2d\u5fc3<\/li>\n<li>\u667a\u6167\u6d41\u91cf\u5206\u6790<\/li>\n<li>\u52d5\u614b\u898f\u5247\u751f\u6210<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<div class=\"content-section\">\n<h2><strong>\u9762\u5411\u672a\u4f86\u7684\u9632\u8b77<\/strong><\/h2>\n<p>\u900f\u904e\u4ee5\u4e0b\u65b0\u8208\u6280\u8853\u4fdd\u6301\u9818\u5148\u65bc\u4e0d\u65b7\u6f14\u8b8a\u7684\u5a01\u8105\uff1a<\/p>\n<ol>\n<li>AI\u9a45\u52d5\u7684\u6aa2\u6e2c\u7cfb\u7d71<\/li>\n<li>\u6297\u91cf\u5b50\u52a0\u5bc6<\/li>\n<li>\u652f\u63f45G\u7684\u9632\u8b77\u6a5f\u5236<\/li>\n<li>\u96f6\u4fe1\u4efb\u67b6\u69cb\u5be6\u65bd<\/li>\n<\/ol>\n<\/div>\n<div class=\"content-section\">\n<h2><strong>\u7d50\u8ad6<\/strong><\/h2>\n<p>\u9999\u6e2f\u4f3a\u670d\u5668\u7684\u6709\u6548DDoS\u9632\u8b77\u9700\u8981\u5c07\u50b3\u7d71\u65b9\u6cd5\u8207\u524d\u6cbf\u6280\u8853\u76f8\u7d50\u5408\u7684\u5168\u9762\u591a\u5c64\u6b21\u65b9\u6cd5\u3002\u900f\u904e\u5be6\u65bd\u672c\u6307\u5357\u4e2d\u6982\u8ff0\u7684\u7b56\u7565\uff0c\u60a8\u53ef\u4ee5\u986f\u8457\u589e\u5f37\u4f3a\u670d\u5668\u62b5\u79a6DDoS\u653b\u64ca\u7684\u80fd\u529b\uff0c\u540c\u6642\u4fdd\u6301\u5408\u6cd5\u6d41\u91cf\u7684\u6700\u4f73\u6548\u80fd\u3002<\/p>\n<p>\u5728\u9999\u6e2f\u52d5\u614b\u7684\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u4e2d\uff0c\u5b9a\u671f\u66f4\u65b0DDoS\u9632\u8b77\u7b56\u7565\u3001\u6301\u7e8c\u76e3\u63a7\u548c\u53ca\u6642\u4e86\u89e3\u65b0\u51fa\u73fe\u7684\u5a01\u8105\u5c0d\u65bc\u7dad\u8b77\u5f37\u5927\u7684\u4f3a\u670d\u5668\u5b89\u5168\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u9999\u6e2f\u6578\u4f4d\u57fa\u790e\u8a2d\u65bd\u7684\u52d5\u614b\u74b0\u5883\u4e2d\uff0c\u9632\u79a6\u4f3a\u670d\u5668\u514d\u53d7DDoS\u653b\u64ca\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u4f5c\u70ba\u9023\u63a5\u6771\u897f\u65b9\u7684\u4e3b\u8981\u79d1\u6280\u6a1e\u7d10\uff0c\u9999\u6e2f\u7684 [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/www.varidata.com\/zh-tw\/blog-tc\/how-to-enhance-ddos-defense-for-hong-kong-servers\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":11,"featured_media":21976,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[267],"tags":[],"class_list":["post-21982","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>\u5982\u4f55\u63d0\u5347\u9999\u6e2f\u4f3a\u670d\u5668\u5c0dDDoS\u653b\u64ca\u7684\u9632\u79a6\u80fd\u529b\uff1f<\/title>\n<meta name=\"description\" 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