{"id":18937,"date":"2024-06-03T08:00:35","date_gmt":"2024-06-03T00:00:35","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-cn\/how-to-build-ddos-resistant-architecture-for-hk-hosting\/"},"modified":"2025-03-27T11:47:42","modified_gmt":"2025-03-27T03:47:42","slug":"how-to-build-ddos-resistant-architecture-for-hk-hosting","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/blog\/how-to-build-ddos-resistant-architecture-for-hk-hosting\/","title":{"rendered":"\u5982\u4f55\u6784\u5efa\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u7684DDoS\u9632\u62a4\u67b6\u6784\uff1f"},"content":{"rendered":"<div class=\"article-content\">\n<p>\u5728<a href=\"https:\/\/www.varidata.com\/zh-cn\/server\/hk\/cn2\/\" target=\"_blank\">\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528<\/a>\u57fa\u7840\u8bbe\u65bd\u7684\u52a8\u6001\u73af\u5883\u4e2d\uff0cDDoS\u653b\u51fb\u5df2\u6210\u4e3a\u6280\u672f\u4e13\u4e1a\u4eba\u5458\u9762\u4e34\u7684\u5173\u952e\u6311\u6218\u3002\u6700\u65b0\u7edf\u8ba1\u6570\u636e\u663e\u793a\uff0c\u81ea2022\u5e74\u4ee5\u6765\uff0c\u4e9a\u6d32\u7684DDoS\u653b\u51fb\u589e\u52a0\u4e8643%\uff0c\u5176\u4e2d\u9999\u6e2f\u6570\u636e\u4e2d\u5fc3\u6210\u4e3a\u4e3b\u8981\u653b\u51fb\u76ee\u6807\u3002\u672c\u7efc\u5408\u6307\u5357\u63a2\u8ba8\u5982\u4f55\u5b9e\u65bd\u9ad8\u53ef\u7528\u6027\u67b6\u6784\u6765\u6709\u6548\u5bf9\u6297\u8fd9\u4e9b\u590d\u6742\u7684\u653b\u51fb\u3002<\/p>\n<h2><strong>\u4e86\u89e3\u9999\u6e2f\u6570\u5b57\u57fa\u7840\u8bbe\u65bd\u4e2d\u7684DDoS\u653b\u51fb\u6a21\u5f0f<\/strong><\/h2>\n<p>\u9488\u5bf9\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u7684\u73b0\u4ee3DDoS\u653b\u51fb\u901a\u5e38\u8868\u73b0\u4e3a\u4e09\u4e2a\u4e3b\u8981\u653b\u51fb\u5411\u91cf\uff1a\u5bb9\u91cf\u578b\u6d2a\u6c34\u653b\u51fb\u3001\u534f\u8bae\u653b\u51fb\u548c\u5e94\u7528\u5c42\u5229\u7528\u3002\u8fd9\u4e9b\u653b\u51fb\u7684\u7279\u70b9\u662f\u80fd\u591f\u5229\u7528\u8be5\u5730\u533a\u7684\u9ad8\u5e26\u5bbd\u57fa\u7840\u8bbe\u65bd\u8fdb\u884c\u53cd\u5411\u653b\u51fb\u3002\u5178\u578b\u7684\u653b\u51fb\u53ef\u80fd\u4f7f\u7528\u591a\u4e2a\u653b\u51fb\u5411\u91cf\uff1a<\/p>\n<pre><code>\r\n# Common Attack Pattern Analysis\r\nAttack Vector      | Typical Volume    | Impact Level\r\n-------------------|-------------------|-------------\r\nSYN Flood         | 50-100 Gbps       | Network Layer\r\nDNS Amplification | 200-300 Gbps      | Infrastructure\r\nLayer 7 Attacks   | 5-10k requests\/s  | Application\r\n<\/code><\/pre>\n<h2><strong>\u9ad8\u53ef\u7528\u6027\u67b6\u6784\u7684\u6838\u5fc3\u7ec4\u4ef6<\/strong><\/h2>\n<p>\u6784\u5efa\u5f39\u6027\u57fa\u7840\u8bbe\u65bd\u9700\u8981\u591a\u5c42\u6b21\u65b9\u6cd5\u3002\u6211\u4eec\u7684\u9ad8\u53ef\u7528\u6027\u67b6\u6784\u57fa\u7840\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u5206\u5e03\u5f0f\u8d1f\u8f7d\u5747\u8861\u5668<\/li>\n<li>\u591a\u533a\u57dfCDN\u5b9e\u65bd<\/li>\n<li>\u6d41\u91cf\u6e05\u6d17\u4e2d\u5fc3<\/li>\n<li>\u4efb\u64adDNS\u57fa\u7840\u8bbe\u65bd<\/li>\n<\/ul>\n<pre><code>\r\n# High-Availability Architecture Diagram\r\n[Load Balancer Pool] --> [Traffic Scrubbing]\r\n                    --> [CDN Edge Nodes]\r\n                    --> [Origin Servers]\r\n                    --> [Backup DC]\r\n<\/code><\/pre>\n<h2><strong>\u5b9e\u65bd\u9ad8\u7ea7\u8d1f\u8f7d\u5747\u8861<\/strong><\/h2>\n<p>\u6211\u4eec\u7684\u8d1f\u8f7d\u5747\u8861\u65b9\u6cd5\u91c7\u7528\u52a8\u6001\u54cd\u5e94\u673a\u5236\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528NGINX Plus\u914d\u7f6e\u7684\u5b9e\u9645\u5b9e\u65bd\uff1a<\/p>\n<pre><code>\r\nhttp {\r\n    upstream backend_servers {\r\n        server backend1.example.com:8080 max_fails=3 fail_timeout=30s;\r\n        server backend2.example.com:8080 max_fails=3 fail_timeout=30s;\r\n        server backup1.example.com:8080 backup;\r\n        \r\n        least_conn;\r\n        keepalive 32;\r\n    }\r\n    \r\n    server {\r\n        listen 80;\r\n        location \/ {\r\n            proxy_pass http:\/\/backend_servers;\r\n            proxy_next_upstream error timeout invalid_header http_500;\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<h2><strong>\u6d41\u91cf\u6e05\u6d17\u5b9e\u65bd<\/strong><\/h2>\n<p>\u6d41\u91cf\u6e05\u6d17\u4e2d\u5fc3\u4f5c\u4e3a\u7b2c\u4e00\u9053\u9632\u7ebf\u3002\u5728\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u81ea\u5b9a\u4e49\u89c4\u5219\u96c6\u5b9e\u65bd\u667a\u80fd\u6d41\u91cf\u5206\u6790\uff1a<\/p>\n<pre><code>\r\n# Traffic Scrubbing Rules Example\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\niptables -A INPUT -p icmp -m limit --limit 1\/s --limit-burst 1 -j ACCEPT\r\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u590d\u6742\u7684\u67b6\u6784\u5141\u8bb8\u5b9e\u65f6\u5a01\u80c1\u68c0\u6d4b\u548c\u7f13\u89e3\uff0c\u8fd9\u5bf9\u4e8e\u5728\u9999\u6e2f\u7ade\u4e89\u6fc0\u70c8\u7684\u670d\u52a1\u5668\u79df\u7528\u5e02\u573a\u4e2d\u7ef4\u6301\u670d\u52a1\u53ef\u7528\u6027\u81f3\u5173\u91cd\u8981\u3002\u8fd9\u4e9b\u7cfb\u7edf\u7684\u5b9e\u65bd\u9700\u8981\u4ed4\u7ec6\u8003\u8651\u672c\u5730\u7f51\u7edc\u7279\u6027\u548c\u6cd5\u89c4\u5408\u89c4\u6027\u3002<\/p>\n<h2><strong>\u591a\u533a\u57dfCDN\u67b6\u6784\u8bbe\u8ba1<\/strong><\/h2>\n<p>\u9999\u6e2f\u4f5c\u4e3a\u6570\u5b57\u67a2\u7ebd\u7684\u6218\u7565\u5730\u4f4d\u9700\u8981\u5b9e\u65bd\u5f3a\u5927\u7684CDN\u67b6\u6784\u3002\u4ee5\u4e0b\u662f\u6211\u4eec\u7ecf\u8fc7\u5b9e\u6218\u68c0\u9a8c\u7684CDN\u914d\u7f6e\u65b9\u6cd5\uff0c\u5185\u7f6eDDoS\u9632\u62a4\u80fd\u529b\uff1a<\/p>\n<pre><code>\r\n# CDN Configuration Template\r\nlocation ~* \\.(jpg|jpeg|png|gif|ico|css|js)$ {\r\n    proxy_cache STATIC;\r\n    proxy_cache_use_stale error timeout http_500 http_502 http_503 http_504;\r\n    proxy_cache_valid 200 1d;\r\n    proxy_cache_valid 404 1m;\r\n    proxy_cache_bypass $http_pragma;\r\n    proxy_cache_key $scheme$proxy_host$request_uri;\r\n    add_header X-Cache-Status $upstream_cache_status;\r\n    expires 1y;\r\n}\r\n<\/code><\/pre>\n<h2><strong>\u81ea\u52a8\u9632\u5fa1\u54cd\u5e94\u7cfb\u7edf<\/strong><\/h2>\n<p>\u6211\u4eec\u5f00\u53d1\u4e86\u4e00\u4e2a\u590d\u6742\u7684\u81ea\u52a8\u54cd\u5e94\u7cfb\u7edf\uff0c\u80fd\u591f\u5b9e\u65f6\u9002\u5e94\u653b\u51fb\u6a21\u5f0f\u3002\u4ee5\u4e0b\u662f\u5c55\u793a\u6838\u5fc3\u903b\u8f91\u7684Python\u811a\u672c\uff1a<\/p>\n<pre><code>\r\nimport threading\r\nfrom collections import defaultdict\r\nimport time\r\n\r\nclass DDoSDefender:\r\n    def __init__(self):\r\n        self.request_counts = defaultdict(int)\r\n        self.blacklist = set()\r\n        self.threshold = 1000  # requests per minute\r\n        \r\n    def monitor_traffic(self, ip_address):\r\n        while True:\r\n            if self.request_counts[ip_address] > self.threshold:\r\n                self.blacklist.add(ip_address)\r\n                self.implement_mitigation(ip_address)\r\n            time.sleep(60)\r\n            self.request_counts[ip_address] = 0\r\n            \r\n    def implement_mitigation(self, ip_address):\r\n        # Implementation of mitigation strategies\r\n        mitigation_rules = {\r\n            'rate_limit': f'iptables -A INPUT -s {ip_address} -j DROP',\r\n            'redirect': f'iptables -t nat -A PREROUTING -s {ip_address} -j REDIRECT --to-port 9001'\r\n        }\r\n        return mitigation_rules\r\n<\/code><\/pre>\n<h2><strong>\u8de8\u533a\u57df\u707e\u96be\u6062\u590d<\/strong><\/h2>\n<p>\u9999\u6e2f\u7684\u9ad8\u53ef\u7528\u6027\u670d\u52a1\u5668\u79df\u7528\u9700\u8981\u5f3a\u5927\u7684\u707e\u96be\u6062\u590d\u673a\u5236\u3002\u6211\u4eec\u7684\u5b9e\u65bd\u5229\u7528\u591a\u4e2a\u53ef\u7528\u533a\u4e4b\u95f4\u7684\u81ea\u52a8\u6545\u969c\u8f6c\u79fb\uff1a<\/p>\n<pre><code>\r\n# Disaster Recovery Configuration\r\napiVersion: v1\r\nkind: Service\r\nmetadata:\r\n  name: ha-loadbalancer\r\n  annotations:\r\n    service.beta.kubernetes.io\/aws-load-balancer-cross-zone-load-balancing-enabled: \"true\"\r\nspec:\r\n  selector:\r\n    app: web-service\r\n  ports:\r\n    - protocol: TCP\r\n      port: 80\r\n      targetPort: 8080\r\n  type: LoadBalancer\r\n<\/code><\/pre>\n<h2><strong>\u5b9e\u65f6\u76d1\u63a7\u548c\u5206\u6790<\/strong><\/h2>\n<p>\u5728\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\uff0c\u5b9e\u65bd\u5168\u9762\u76d1\u63a7\u5bf9\u7ef4\u6301\u9ad8\u53ef\u7528\u6027\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u6211\u4eec\u7528\u4e8eDDoS\u68c0\u6d4b\u7684Prometheus\u914d\u7f6e\uff1a<\/p>\n<pre><code>\r\nglobal:\r\n  scrape_interval: 15s\r\n  evaluation_interval: 15s\r\n\r\nrule_files:\r\n  - 'ddos_alert_rules.yml'\r\n\r\nscrape_configs:\r\n  - job_name: 'traffic_metrics'\r\n    static_configs:\r\n      - targets: ['localhost:9090']\r\n    metric_relabel_configs:\r\n      - source_labels: [request_count]\r\n        regex: '^(.*)$'\r\n        replacement: '${1}'\r\n        target_label: total_requests\r\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u76d1\u63a7\u8bbe\u7f6e\u63d0\u4f9b\u4e86\u6d41\u91cf\u6a21\u5f0f\u548c\u6f5c\u5728DDoS\u653b\u51fb\u7684\u5b9e\u65f6\u53ef\u89c1\u6027\uff0c\u80fd\u591f\u5feb\u901f\u54cd\u5e94\u65b0\u51fa\u73b0\u7684\u5a01\u80c1\u3002\u4e0e\u6211\u4eec\u7684\u9ad8\u53ef\u7528\u6027\u67b6\u6784\u96c6\u6210\u786e\u4fdd\u4e86\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u670d\u52a1\u7684\u5f3a\u5927\u4fdd\u62a4\u3002<\/p>\n<h2><strong>\u6848\u4f8b\u7814\u7a76\uff1aDDoS\u7f13\u89e3\u5b9e\u6218<\/strong><\/h2>\n<p>\u6700\u8fd1\u5bf9\u4e00\u5bb6\u9999\u6e2f\u4e3b\u8981\u670d\u52a1\u5668\u79df\u7528\u63d0\u4f9b\u5546\u7684\u653b\u51fb\u5c55\u793a\u4e86\u6211\u4eec\u9ad8\u53ef\u7528\u6027\u67b6\u6784\u7684\u6709\u6548\u6027\u3002\u5728300Gbps\u7684DDoS\u653b\u51fb\u671f\u95f4\uff0c\u7cfb\u7edf\u901a\u8fc7\u667a\u80fd\u6d41\u91cf\u8def\u7531\u7ef4\u6301\u4e8699.99%\u7684\u6b63\u5e38\u8fd0\u884c\u65f6\u95f4\uff1a<\/p>\n<pre><code>\r\n# Attack Mitigation Metrics\r\nTime Period: 2024-02-10 to 2024-02-11\r\nTotal Attack Traffic: 312 Gbps\r\nPackets Dropped: 95.5%\r\nService Availability: 99.99%\r\nResponse Time: < 100ms\r\n<\/code><\/pre>\n<h2><strong>\u9ad8\u53ef\u7528\u6027\u67b6\u6784\u7684\u6210\u672c\u6548\u76ca\u5206\u6790<\/strong><\/h2>\n<p>\u5728\u9999\u6e2f\u5b9e\u65bd\u9ad8\u53ef\u7528\u6027\u670d\u52a1\u5668\u79df\u7528\u57fa\u7840\u8bbe\u65bd\u65f6\uff0c\u7ec4\u7ec7\u5e94\u8003\u8651\u51e0\u4e2a\u5173\u952e\u6295\u8d44\u9886\u57df\uff1a<\/p>\n<ul>\n<li>\u521d\u59cb\u57fa\u7840\u8bbe\u65bd\u8bbe\u7f6e\u6210\u672c\n<ul>\n<li>\u8d1f\u8f7d\u5747\u8861\u7cfb\u7edf<\/li>\n<li>CDN\u96c6\u6210<\/li>\n<li>\u6d41\u91cf\u6e05\u6d17\u89e3\u51b3\u65b9\u6848<\/li>\n<li>\u5197\u4f59\u57fa\u7840\u8bbe\u65bd<\/li>\n<\/ul>\n<\/li>\n<li>\u6301\u7eed\u8fd0\u8425\u652f\u51fa\n<ul>\n<li>\u6708\u5ea6\u5e26\u5bbd\u6210\u672c<\/li>\n<li>\u7cfb\u7edf\u7ef4\u62a4<\/li>\n<li>\u5b89\u5168\u76d1\u63a7<\/li>\n<li>\u6280\u672f\u652f\u6301<\/li>\n<\/ul>\n<\/li>\n<li>\u6295\u8d44\u56de\u62a5\u7387\uff08ROI\uff09\u56e0\u7d20\n<ul>\n<li>\u51cf\u5c11\u505c\u673a\u6210\u672c<\/li>\n<li>\u63d0\u9ad8\u670d\u52a1\u53ef\u9760\u6027<\/li>\n<li>\u63d0\u5347\u5ba2\u6237\u4fdd\u7559\u7387<\/li>\n<li>\u5e02\u573a\u7ade\u4e89\u4f18\u52bf<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u7ec4\u7ec7\u5e94\u6839\u636e\u5176\u5177\u4f53\u9700\u6c42\u3001\u6d41\u91cf\u6a21\u5f0f\u548c\u4e1a\u52a1\u76ee\u6807\u8fdb\u884c\u5168\u9762\u7684\u6210\u672c\u6548\u76ca\u5206\u6790\u3002\u5bf9\u5f3a\u5927DDoS\u4fdd\u62a4\u7684\u6295\u8d44\u901a\u5e38\u901a\u8fc7\u9884\u9632\u635f\u5931\u548c\u7ef4\u6301\u670d\u52a1\u8d28\u91cf\u6765\u63d0\u4f9b\u663e\u8457\u7684\u957f\u671f\u4ef7\u503c\u3002<\/p>\n<h2><strong>\u6700\u4f73\u5b9e\u8df5\u548c\u5b9e\u65bd\u6307\u5357<\/strong><\/h2>\n<p>\u4e3a\u4e86\u5728\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\u5b9e\u73b0\u6700\u4f73DDoS\u4fdd\u62a4\uff0c\u8bf7\u5b9e\u65bd\u4ee5\u4e0b\u914d\u7f6e\u6a21\u5f0f\uff1a<\/p>\n<pre><code>\r\n# HAProxy Configuration Best Practices\r\nglobal\r\n    maxconn 100000\r\n    nbproc 4\r\n    cpu-map 1 0\r\n    cpu-map 2 1\r\n    cpu-map 3 2\r\n    cpu-map 4 3\r\n\r\ndefaults\r\n    mode http\r\n    timeout connect 5s\r\n    timeout client 30s\r\n    timeout server 30s\r\n    option http-server-close\r\n    option dontlognull\r\n    option redispatch\r\n\r\nfrontend ft_web\r\n    bind *:80\r\n    maxconn 25000\r\n    stick-table type ip size 1m expire 30s store conn_cur\r\n    tcp-request connection track-sc1 src\r\n    tcp-request connection reject if { sc1_conn_cur gt 20 }\r\n    default_backend bk_web\r\n<\/code><\/pre>\n<h2><strong>\u672a\u6765\u67b6\u6784\u89c4\u5212<\/strong><\/h2>\n<p>\u65b0\u5174\u5a01\u80c1\u9700\u8981\u6301\u7eed\u9002\u5e94\u3002\u4ee5\u4e0b\u662f\u52a8\u6001\u901f\u7387\u9650\u5236\u7684\u524d\u77bb\u6027\u5b9e\u65bd\uff1a<\/p>\n<pre><code>\r\nclass AdaptiveRateLimiter:\r\n    def __init__(self):\r\n        self.baseline_traffic = {}\r\n        self.deviation_threshold = 2.0\r\n        \r\n    def update_baseline(self, service_id, current_traffic):\r\n        if service_id not in self.baseline_traffic:\r\n            self.baseline_traffic[service_id] = current_traffic\r\n        else:\r\n            # Exponential moving average\r\n            alpha = 0.1\r\n            self.baseline_traffic[service_id] = (\r\n                alpha * current_traffic +\r\n                (1 - alpha) * self.baseline_traffic[service_id]\r\n            )\r\n            \r\n    def is_attack_traffic(self, service_id, current_traffic):\r\n        baseline = self.baseline_traffic.get(service_id, current_traffic)\r\n        return current_traffic > (baseline * self.deviation_threshold)\r\n<\/code><\/pre>\n<h2><strong>\u7ed3\u8bba\u548c\u884c\u52a8\u9879\u76ee<\/strong><\/h2>\n<p>\u9ad8\u53ef\u7528\u6027\u67b6\u6784\u4ecd\u7136\u662f\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u670d\u52a1\u6709\u6548DDoS\u4fdd\u62a4\u7684\u57fa\u77f3\u3002\u5206\u5e03\u5f0f\u57fa\u7840\u8bbe\u65bd\u3001\u667a\u80fd\u6d41\u91cf\u7ba1\u7406\u548c\u81ea\u52a8\u54cd\u5e94\u7cfb\u7edf\u7684\u7ec4\u5408\u4e3a\u62b5\u5fa1\u4e0d\u65ad\u6f14\u53d8\u7684\u5a01\u80c1\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u9632\u5fa1\u3002\u5b9a\u671f\u5b89\u5168\u5ba1\u8ba1\u548c\u6301\u7eed\u76d1\u63a7\u5bf9\u4e8e\u7ef4\u6301\u6700\u4f73\u4fdd\u62a4\u6c34\u5e73\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<div class=\"action-checklist\">\n<h3>\u5b9e\u65bd\u6e05\u5355\uff1a<\/h3>\n<ul>\n<li>\u90e8\u7f72\u5206\u5e03\u5f0f\u8d1f\u8f7d\u5747\u8861\u5668<\/li>\n<li>\u5b9e\u65bd\u6d41\u91cf\u6e05\u6d17<\/li>\n<li>\u914d\u7f6eCDN\u670d\u52a1<\/li>\n<li>\u8bbe\u7f6e\u76d1\u63a7\u7cfb\u7edf<\/li>\n<li>\u5efa\u7acb\u4e8b\u4ef6\u54cd\u5e94\u7a0b\u5e8f<\/li>\n<\/ul>\n<\/div>\n<p>\u5bf9\u4e8e\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u63d0\u4f9b\u5546\u548c\u6280\u672f\u4e13\u4e1a\u4eba\u5458\u6765\u8bf4\uff0c\u5728\u65e5\u76ca\u4e25\u5cfb\u7684\u6570\u5b57\u73af\u5883\u4e2d\uff0c\u5b9e\u65bd\u8fd9\u4e9b\u9ad8\u53ef\u7528\u6027\u67b6\u6784\u5bf9\u4e8e\u7ef4\u6301\u670d\u52a1\u53ef\u9760\u6027\u548c\u5b89\u5168\u6027\u81f3\u5173\u91cd\u8981\u3002\u8fd9\u4e9b\u7cfb\u7edf\u7684\u5b9a\u671f\u66f4\u65b0\u548c\u6301\u7eed\u6539\u8fdb\u786e\u4fdd\u4e86\u5bf9DDoS\u653b\u51fb\u7684\u957f\u671f\u4fdd\u62a4\u3002<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u57fa\u7840\u8bbe\u65bd\u7684\u52a8\u6001\u73af\u5883\u4e2d\uff0cDDoS\u653b\u51fb\u5df2\u6210\u4e3a\u6280\u672f\u4e13\u4e1a\u4eba\u5458\u9762\u4e34\u7684\u5173\u952e\u6311\u6218\u3002\u6700\u65b0\u7edf\u8ba1\u6570\u636e\u663e\u793a\uff0c\u81ea2022\u5e74\u4ee5\u6765\uff0c\u4e9a\u6d32\u7684DDoS\u653b\u51fb\u589e\u52a0\u4e8643%\uff0c\u5176\u4e2d\u9999\u6e2f\u6570\u636e\u4e2d\u5fc3\u6210\u4e3a\u4e3b\u8981\u653b\u51fb\u76ee\u6807\u3002\u672c\u7efc\u5408\u6307\u5357\u63a2\u8ba8\u5982\u4f55\u5b9e\u65bd\u9ad8\u53ef\u7528\u6027\u67b6\u6784\u6765\u6709\u6548\u5bf9\u6297\u8fd9\u4e9b\u590d\u6742\u7684\u653b\u51fb\u3002 \u4e86\u89e3\u9999\u6e2f\u6570\u5b57\u57fa\u7840\u8bbe\u65bd\u4e2d\u7684DDoS\u653b\u51fb\u6a21\u5f0f \u9488\u5bf9\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u7684\u73b0\u4ee3DDoS\u653b\u51fb\u901a\u5e38\u8868\u73b0\u4e3a\u4e09\u4e2a\u4e3b\u8981\u653b\u51fb\u5411\u91cf\uff1a\u5bb9\u91cf\u578b\u6d2a\u6c34\u653b\u51fb\u3001\u534f\u8bae\u653b\u51fb\u548c\u5e94\u7528\u5c42\u5229\u7528\u3002\u8fd9\u4e9b\u653b\u51fb\u7684\u7279\u70b9\u662f\u80fd\u591f\u5229\u7528\u8be5\u5730\u533a\u7684\u9ad8\u5e26\u5bbd\u57fa\u7840\u8bbe\u65bd\u8fdb\u884c\u53cd\u5411\u653b\u51fb\u3002\u5178\u578b\u7684\u653b\u51fb\u53ef\u80fd\u4f7f\u7528\u591a\u4e2a\u653b\u51fb\u5411\u91cf\uff1a # Common Attack Pattern Analysis Attack Vector | Typical Volume | Impact Level &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-|&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-|&#8212;&#8212;&#8212;&#8212;- SYN Flood | 50-100 Gbps | Network Layer DNS Amplification | 200-300 Gbps | Infrastructure Layer 7 Attacks | 5-10k requests\/s | Application \u9ad8\u53ef\u7528\u6027\u67b6\u6784\u7684\u6838\u5fc3\u7ec4\u4ef6 \u6784\u5efa\u5f39\u6027\u57fa\u7840\u8bbe\u65bd\u9700\u8981\u591a\u5c42\u6b21\u65b9\u6cd5\u3002\u6211\u4eec\u7684\u9ad8\u53ef\u7528\u6027\u67b6\u6784\u57fa\u7840\u5305\u62ec\uff1a \u5206\u5e03\u5f0f\u8d1f\u8f7d\u5747\u8861\u5668 \u591a\u533a\u57dfCDN\u5b9e\u65bd \u6d41\u91cf\u6e05\u6d17\u4e2d\u5fc3 \u4efb\u64adDNS\u57fa\u7840\u8bbe\u65bd # High-Availability Architecture Diagram [Load Balancer Pool] &#8211;> [Traffic [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/www.varidata.com\/zh-cn\/blog\/how-to-build-ddos-resistant-architecture-for-hk-hosting\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":3,"featured_media":18934,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[76],"tags":[],"class_list":["post-18937","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>\u5982\u4f55\u6784\u5efa\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u7684DDoS\u9632\u62a4\u67b6\u6784\uff1f<\/title>\n<meta name=\"description\" content=\"\u901a\u8fc7\u9ad8\u53ef\u7528\u6027\u67b6\u6784\u5b66\u4e60\u5148\u8fdb\u7684DDoS\u7f13\u89e3\u6280\u672f\u3002\u4e3a\u6280\u672f\u4e13\u4e1a\u4eba\u5458\u63d0\u4f9b\u4f7f\u7528\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u670d\u52a1\u7684\u5b9e\u7528\u6307\u5357\u548c\u771f\u5b9e\u6848\u4f8b\u3002\" \/>\n<meta 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