{"id":21981,"date":"2025-07-02T14:36:47","date_gmt":"2025-07-02T06:36:47","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-cn\/how-to-enhance-ddos-defense-for-hong-kong-servers\/"},"modified":"2025-07-02T14:45:47","modified_gmt":"2025-07-02T06:45:47","slug":"how-to-enhance-ddos-defense-for-hong-kong-servers","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/blog\/how-to-enhance-ddos-defense-for-hong-kong-servers\/","title":{"rendered":"\u5982\u4f55\u63d0\u5347\u9999\u6e2f\u670d\u52a1\u5668\u5bf9DDoS\u653b\u51fb\u7684\u9632\u5fa1\u80fd\u529b\uff1f"},"content":{"rendered":"<div class=\"content-section\">\n<p>\u5728\u9999\u6e2f\u6570\u5b57\u57fa\u7840\u8bbe\u65bd\u7684\u52a8\u6001\u73af\u5883\u4e2d\uff0c\u9632\u5fa1\u670d\u52a1\u5668\u514d\u53d7DDoS\u653b\u51fb\u53d8\u5f97\u8d8a\u6765\u8d8a\u91cd\u8981\u3002\u4f5c\u4e3a\u8fde\u63a5\u4e1c\u897f\u65b9\u7684\u4e3b\u8981\u79d1\u6280\u67a2\u7ebd\uff0c\u9999\u6e2f\u7684\u670d\u52a1\u5668\u8bbe\u65bd\u6bcf\u5929\u90fd\u9762\u4e34\u7740\u590d\u6742\u7684DDoS\u5a01\u80c1\u3002\u672c\u7efc\u5408\u6307\u5357\u63a2\u8ba8\u4e86\u52a0\u5f3a<a href=\"https:\/\/www.varidata.com\/zh-cn\/server\/hk\/cn2\/\" target=\"_blank\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\u62b5\u5fa1DDoS\u653b\u51fb\u7684\u524d\u6cbf\u7b56\u7565\uff0c\u7ed3\u5408\u4e86\u6700\u65b0\u7684\u5b89\u5168\u534f\u8bae\u548c\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n<\/div>\n<div class=\"content-section\">\n<h2><strong>\u4e86\u89e3\u73b0\u4ee3DDoS\u5a01\u80c1<\/strong><\/h2>\n<p>DDoS\u653b\u51fb\u5df2\u7ecf\u8d85\u8d8a\u4e86\u7b80\u5355\u7684\u6cdb\u6d2a\u653b\u51fb\u3002\u5f53\u4eca\u7684\u5a01\u80c1\u5f62\u52bf\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u7b2c7\u5c42\u5e94\u7528\u653b\u51fb<\/li>\n<li>\u57fa\u4e8e\u534f\u8bae\u7684\u5bb9\u91cf\u653b\u51fb<\/li>\n<li>\u6df7\u5408\u77e2\u91cf\u590d\u6742\u653b\u51fb<\/li>\n<li>\u7269\u8054\u7f51\u50f5\u5c38\u7f51\u7edc\u9a71\u52a8\u7684\u5a01\u80c1<\/li>\n<\/ul>\n<p>\u6839\u636e\u6700\u8fd1\u7684\u7f51\u7edc\u5b89\u5168\u62a5\u544a\uff0c\u9999\u6e2f\u670d\u52a1\u5668\u6bcf\u5468\u5e73\u5747\u9762\u4e342,000\u6b21DDoS\u653b\u51fb\u5c1d\u8bd5\uff0c\u5728\u4e25\u91cd\u60c5\u51b5\u4e0b\u653b\u51fb\u6d41\u91cf\u53ef\u8fbe800 Gbps\u3002<\/p>\n<\/div>\n<div class=\"content-section\">\n<h2><strong>DDoS\u9632\u62a4\u7684\u6838\u5fc3\u7ec4\u4ef6<\/strong><\/h2>\n<p>\u6784\u5efa\u5f3a\u5927\u7684DDoS\u9632\u62a4\u7cfb\u7edf\u9700\u8981\u591a\u5c42\u6b21\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u6838\u5fc3\u7ec4\u4ef6\u7684\u6df1\u5165\u89e3\u6790\uff1a<\/p>\n<h3>1. \u6d41\u91cf\u6e05\u6d17\u67b6\u6784<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u914d\u7f6e\u65b9\u6cd5\u5b9e\u65bd\u9ad8\u7ea7\u6d41\u91cf\u6e05\u6d17\uff1a<\/p>\n<pre><code>\r\n# Nginx DDoS\u7f13\u89e3\u914d\u7f6e\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. \u7f51\u7edc\u5c42\u9632\u62a4<\/h3>\n<ul>\n<li>BGP Flowspec\u5b9e\u65bd<\/li>\n<li>\u81ea\u52a8\u7a7a\u8def\u7531\u89e6\u53d1\u5668<\/li>\n<li>\u9632\u6b3a\u9a97\u8fc7\u6ee4\u5668<\/li>\n<li>\u52a8\u6001\u901f\u7387\u9650\u5236<\/li>\n<\/ul>\n<\/div>\n<div class=\"content-section\">\n<h2><strong>\u9ad8\u7ea7\u7f13\u89e3\u7b56\u7565<\/strong><\/h2>\n<p>\u73b0\u4ee3\u9632\u62a4\u9700\u8981\u590d\u6742\u7684\u65b9\u6cd5\u3002\u8003\u8651\u4ee5\u4e0b\u6280\u672f\u5b9e\u65bd\uff1a<\/p>\n<ol>\n<li>\u5b9e\u65bd\u4efb\u64ad\u7f51\u7edc\u5206\u5e03\n<ul>\n<li>\u5728\u9999\u6e2f\u591a\u4e2aPOP\u70b9\u90e8\u7f72<\/li>\n<li>\u914d\u7f6eBGP\u516c\u544a<\/li>\n<li>\u8bbe\u7f6e\u8282\u70b9\u95f4\u8d1f\u8f7d\u5747\u8861<\/li>\n<\/ul>\n<\/li>\n<li>\u914d\u7f6e\u667a\u80fd\u6d41\u91cf\u5206\u6790\n<ul>\n<li>\u5b9e\u65f6\u6570\u636e\u5305\u68c0\u6d4b<\/li>\n<li>\u57fa\u4e8e\u673a\u5668\u5b66\u4e60\u7684\u5f02\u5e38\u68c0\u6d4b<\/li>\n<li>\u884c\u4e3a\u5206\u6790\u7cfb\u7edf<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/div>\n<div class=\"content-section\">\n<h2><strong>CDN\u96c6\u6210\u548c\u4f18\u5316<\/strong><\/h2>\n<p>\u9999\u6e2f\u7684\u6218\u7565\u4f4d\u7f6e\u4f7f\u5176\u6210\u4e3aCDN\u90e8\u7f72\u7684\u7406\u60f3\u5730\u70b9\u3002\u4ee5\u4e0b\u662f\u6700\u4f73CDN\u914d\u7f6e\u7684\u6280\u672f\u7ec6\u8282\uff1a<\/p>\n<pre><code>\r\n# CDN\u914d\u7f6e\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\u914d\u7f6e\u786e\u4fdd\u5728\u7ef4\u6301\u6765\u81ea\u4e2d\u56fd\u5927\u9646\u548c\u56fd\u9645\u6765\u6e90\u7684\u5408\u6cd5\u6d41\u91cf\u6027\u80fd\u7684\u540c\u65f6\u63d0\u4f9b\u6700\u4f73\u9632\u62a4\u3002<\/p>\n<\/div>\n<div class=\"content-section\">\n<h2><strong>\u57fa\u4e8e\u4e91\u7684\u9632\u62a4\u89e3\u51b3\u65b9\u6848<\/strong><\/h2>\n<p>\u5229\u7528\u4e91\u57fa\u7840\u8bbe\u65bd\u8fdb\u884cDDoS\u9632\u62a4\u53ef\u63d0\u4f9b\u53ef\u6269\u5c55\u6027\u548c\u5f39\u6027\u3002\u4ee5\u4e0b\u662f\u6280\u672f\u5b9e\u65bd\u6307\u5357\uff1a<\/p>\n<h3>\u81ea\u52a8\u6269\u5c55\u914d\u7f6e<\/h3>\n<pre><code>\r\n# AWS\u81ea\u52a8\u6269\u5c55DDoS\u7f13\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>\u5b9e\u65bd\u6e05\u5355<\/h3>\n<ul>\n<li>\u914d\u7f6e\u4e91WAF\u89c4\u5219\uff1a\n<ul>\n<li>\u57fa\u4e8e\u901f\u7387\u7684\u89c4\u5219<\/li>\n<li>IP\u4fe1\u8a89\u8fc7\u6ee4<\/li>\n<li>\u57fa\u4e8e\u5730\u7406\u4f4d\u7f6e\u7684\u8bbf\u95ee\u63a7\u5236<\/li>\n<\/ul>\n<\/li>\n<li>\u8bbe\u7f6e\u76d1\u63a7\u9608\u503c\uff1a\n<ul>\n<li>\u7f51\u7edc\u541e\u5410\u91cf\u8b66\u62a5<\/li>\n<li>\u8fde\u63a5\u6570\u76d1\u63a7<\/li>\n<li>\u8bf7\u6c42\u7387\u8ddf\u8e2a<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<div class=\"content-section\">\n<h2><strong>\u76d1\u63a7\u548c\u54cd\u5e94\u7cfb\u7edf<\/strong><\/h2>\n<p>\u5b9e\u65bd\u5305\u542b\u4ee5\u4e0b\u7ec4\u4ef6\u7684\u7efc\u5408\u76d1\u63a7\u67b6\u6784\uff1a<\/p>\n<pre><code>\r\n# Prometheus\u8b66\u62a5\u914d\u7f6e\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: \"\u68c0\u6d4b\u5230\u6d41\u91cf\u7a81\u589e - \u53ef\u80fd\u662fDDoS\u653b\u51fb\"\r\n    <\/code><\/pre>\n<ol>\n<li>\u8bbe\u7f6e\u5b9e\u65f6\u76d1\u63a7\uff1a\n<ul>\n<li>\u7f51\u7edc\u6d41\u91cf\u6a21\u5f0f<\/li>\n<li>\u670d\u52a1\u5668\u8d44\u6e90\u5229\u7528\u7387<\/li>\n<li>\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u6307\u6807<\/li>\n<\/ul>\n<\/li>\n<li>\u914d\u7f6e\u81ea\u52a8\u54cd\u5e94\uff1a\n<ul>\n<li>\u6d41\u91cf\u9ed1\u6d1e\u89e6\u53d1\u5668<\/li>\n<li>\u901f\u7387\u9650\u5236\u8c03\u6574<\/li>\n<li>\u8b66\u62a5\u5347\u7ea7\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\u670d\u52a1\u5668\u5b9e\u65bdDDoS\u9632\u62a4\u65f6\uff0c\u8bf7\u8003\u8651\u4ee5\u4e0b\u6295\u8d44\u56de\u62a5\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\u62a4\u7b49\u7ea7<\/th>\n<th>\u6295\u8d44\u6c34\u5e73<\/th>\n<th>\u9632\u62a4\u80fd\u529b<\/th>\n<th>\u54cd\u5e94\u65f6\u95f4<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u57fa\u7840<\/td>\n<td>\u5165\u95e8\u7ea7<\/td>\n<td>10 Gbps<\/td>\n<td>15\u5206\u949f<\/td>\n<\/tr>\n<tr>\n<td>\u9ad8\u7ea7<\/td>\n<td>\u4e2d\u7aef<\/td>\n<td>100 Gbps<\/td>\n<td>5\u5206\u949f<\/td>\n<\/tr>\n<tr>\n<td>\u4f01\u4e1a\u7ea7<\/td>\n<td>\u9ad8\u7aef<\/td>\n<td>1 Tbps+<\/td>\n<td>\u5373\u65f6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"content-section\">\n<h2><strong>\u6848\u4f8b\u7814\u7a76\uff1a\u5b9e\u9645\u5b9e\u65bd<\/strong><\/h2>\n<p>\u4e00\u5bb6\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u63d0\u4f9b\u5546\u4f7f\u7528\u4ee5\u4e0b\u67b6\u6784\u6210\u529f\u7f13\u89e3\u4e86500 Gbps\u7684\u653b\u51fb\uff1a<\/p>\n<ul>\n<li>\u4e3b\u8981\u9632\u5fa1\u5c42\uff1a\n<ul>\n<li>\u5206\u5e03\u5f0f\u4efb\u64ad\u7f51\u7edc<\/li>\n<li>\u591a\u4e2a100GE\u4e0a\u884c\u94fe\u8def<\/li>\n<li>\u7528\u4e8e\u9ed1\u6d1e\u8def\u7531\u7684BGP\u793e\u533a<\/li>\n<\/ul>\n<\/li>\n<li>\u6b21\u8981\u9632\u62a4\uff1a\n<ul>\n<li>\u672c\u5730\u6e05\u6d17\u4e2d\u5fc3<\/li>\n<li>\u667a\u80fd\u6d41\u91cf\u5206\u6790<\/li>\n<li>\u52a8\u6001\u89c4\u5219\u751f\u6210<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<div class=\"content-section\">\n<h2><strong>\u9762\u5411\u672a\u6765\u7684\u9632\u62a4<\/strong><\/h2>\n<p>\u901a\u8fc7\u4ee5\u4e0b\u65b0\u5174\u6280\u672f\u4fdd\u6301\u9886\u5148\u4e8e\u4e0d\u65ad\u6f14\u53d8\u7684\u5a01\u80c1\uff1a<\/p>\n<ol>\n<li>AI\u9a71\u52a8\u7684\u68c0\u6d4b\u7cfb\u7edf<\/li>\n<li>\u6297\u91cf\u5b50\u52a0\u5bc6<\/li>\n<li>\u652f\u63015G\u7684\u9632\u62a4\u673a\u5236<\/li>\n<li>\u96f6\u4fe1\u4efb\u67b6\u6784\u5b9e\u65bd<\/li>\n<\/ol>\n<\/div>\n<div 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