{"id":25018,"date":"2025-09-19T15:21:45","date_gmt":"2025-09-19T07:21:45","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-tw\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/"},"modified":"2025-09-19T15:24:34","modified_gmt":"2025-09-19T07:24:34","slug":"how-hong-kong-anti-ddos-servers-defend-against-syn-attacks","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/","title":{"rendered":"\u9999\u6e2f\u9ad8\u9632\u4f3a\u670d\u5668\u5982\u4f55\u9632\u79a6SYN\u653b\u64ca"},"content":{"rendered":"<p>\u5728\u9999\u6e2f\u84ec\u52c3\u767c\u5c55\u7684\u6578\u4f4d\u57fa\u790e\u8a2d\u65bd\u4e2d,<a href=\"https:\/\/www.varidata.com\/zh-tw\/server\/hk\/cn2\/\" target=\"_blank\">\u9ad8\u9632\u4f3a\u670d\u5668<\/a>\u5df2\u6210\u70ba\u7db2\u8def\u5b89\u5168\u9632\u79a6\u7684\u57fa\u77f3,\u7279\u5225\u662f\u91dd\u5c0d\u8907\u96dc\u7684SYN\u6d2a\u6c34\u653b\u64ca\u3002\u96a8\u8457\u7db2\u8def\u5a01\u8105\u7684\u4e0d\u65b7\u6f14\u8b8a,\u4e86\u89e3\u9019\u4e9b\u9ad8\u9632\u4f3a\u670d\u5668\u5982\u4f55\u5f9e\u6280\u8853\u5c64\u9762\u5c0d\u6297SYN\u653b\u64ca\u5c0d\u7cfb\u7d71\u7ba1\u7406\u54e1\u548c\u5b89\u5168\u5c08\u696d\u4eba\u54e1\u4f86\u8aaa\u8b8a\u5f97\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2><strong>\u4e86\u89e3SYN\u653b\u64ca:\u6280\u8853\u6a5f\u5236<\/strong><\/h2>\n<p>SYN\u6d2a\u6c34\u653b\u64ca\u901a\u904e\u767c\u9001\u5927\u91cfSYN\u6578\u64da\u5305\u4f46\u5f9e\u4e0d\u5b8c\u6210\u63e1\u624b\u5e8f\u5217\u4f86\u5229\u7528TCP\/IP\u4e09\u6b21\u63e1\u624b\u904e\u7a0b,\u5f9e\u800c\u4f7f\u76ee\u6a19\u4f3a\u670d\u5668\u4e0d\u582a\u91cd\u8ca0\u3002\u8981\u7406\u89e3\u9632\u79a6\u6a5f\u5236,\u6211\u5011\u5fc5\u9808\u9996\u5148\u5206\u6790\u653b\u64ca\u5411\u91cf:<\/p>\n<ul>\n<li>\u653b\u64ca\u8005\u767c\u9001\u521d\u59cbSYN\u6578\u64da\u5305<\/li>\n<li>\u4f3a\u670d\u5668\u56de\u61c9SYN-ACK\u6578\u64da\u5305<\/li>\n<li>\u507d\u9020\u5730\u5740\u7f3a\u5c11ACK\u56de\u61c9<\/li>\n<li>\u4f3a\u670d\u5668TCP\u9023\u63a5\u4f47\u5217\u8cc7\u6e90\u8017\u76e1<\/li>\n<\/ul>\n<h2><strong>\u786c\u9ad4\u7d1a\u9632\u8b77\u67b6\u69cb<\/strong><\/h2>\n<p>\u9999\u6e2f\u9ad8\u9632\u4f3a\u670d\u5668\u5be6\u65bd\u4e86\u570d\u7e5e\u4e09\u500b\u6838\u5fc3\u7d44\u4ef6\u69cb\u5efa\u7684\u591a\u5c64\u786c\u9ad4\u9632\u79a6\u7cfb\u7d71:<\/p>\n<ol>\n<li>\u80fd\u5920\u8655\u7406\u9ad8\u9054800 Gbps\u7684\u9ad8\u6027\u80fd\u6d41\u91cf\u6e05\u6d17\u8a2d\u5099<\/li>\n<li>\u57fa\u65bcFPGA\u7684\u6578\u64da\u5305\u6aa2\u6e2c\u5f15\u64ce<\/li>\n<li>\u5177\u6709\u5c08\u7528\u653b\u64ca\u7de9\u89e3\u786c\u9ad4\u7684\u8ca0\u8f09\u5e73\u8861\u4f3a\u670d\u5668\u96c6\u7fa4<\/li>\n<\/ol>\n<p>\u786c\u9ad4\u57fa\u790e\u8a2d\u65bd\u5229\u7528\u5148\u9032\u7684\u534a\u5c0e\u9ad4\u6280\u8853\u9032\u884c\u5373\u6642\u6578\u64da\u5305\u5206\u6790,\u6709\u6548\u5340\u5206\u5408\u6cd5\u6d41\u91cf\u548c\u60e1\u610fSYN\u6d2a\u6c34\u3002\u9019\u7a2e\u8a2d\u7f6e\u80fd\u5920\u5728\u4fdd\u6301\u5408\u6cd5\u9023\u63a5\u6700\u5c0f\u5ef6\u9072\u7684\u540c\u6642,\u6bcf\u79d2\u8655\u7406\u6578\u767e\u842c\u500b\u6578\u64da\u5305\u3002<\/p>\n<h2><strong>\u8edf\u9ad4\u9632\u79a6\u6a5f\u5236<\/strong><\/h2>\n<p>\u8edf\u9ad4\u5c64\u5be6\u65bd\u4e86\u5e7e\u7a2e\u8907\u96dc\u7684\u9632\u79a6\u7b56\u7565:<\/p>\n<ul>\n<li>SYN Cookie\u5be6\u73fe:\u52a0\u5bc6\u751f\u6210\u7684\u4ee4\u724c\u9a57\u8b49\u9023\u63a5\u771f\u5be6\u6027<\/li>\n<li>\u52d5\u614bTCP\u7a4d\u58d3\u4f47\u5217\u7ba1\u7406<\/li>\n<li>\u57fa\u65bc\u6a5f\u5668\u5b78\u7fd2\u6f14\u7b97\u6cd5\u7684\u81ea\u9069\u61c9\u901f\u7387\u9650\u5236<\/li>\n<li>\u5177\u6709\u6a21\u5f0f\u8b58\u5225\u7684\u72c0\u614b\u5305\u6aa2\u6e2c(SPI)<\/li>\n<\/ul>\n<h2><strong>\u9ad8\u7d1a\u6d41\u91cf\u904e\u6ffe\u6280\u8853<\/strong><\/h2>\n<p>\u9999\u6e2f\u9ad8\u9632\u4f3a\u670d\u5668\u63a1\u7528\u5728\u591a\u500bOSI\u5c64\u904b\u884c\u7684\u8907\u96dc\u6d41\u91cf\u904e\u6ffe\u6a5f\u5236\u3002\u9019\u4e9b\u7cfb\u7d71\u5229\u7528\u5148\u9032\u6f14\u7b97\u6cd5\u5728\u653b\u64ca\u671f\u9593\u4fdd\u6301\u670d\u52d9\u53ef\u7528\u6027:<\/p>\n<ul>\n<li>\u7b2c3\/4\u5c64DDoS\u7de9\u89e3:\n<ul>\n<li>TCP\/IP\u5831\u982d\u5206\u6790<\/li>\n<li>\u5354\u8b70\u884c\u70ba\u9a57\u8b49<\/li>\n<li>\u6d41\u91cf\u6a21\u5f0f\u8b58\u5225<\/li>\n<\/ul>\n<\/li>\n<li>\u7b2c7\u5c64\u61c9\u7528\u7a0b\u5f0f\u4fdd\u8b77:\n<ul>\n<li>HTTP\/HTTPS\u8acb\u6c42\u6aa2\u67e5<\/li>\n<li>\u61c9\u7528\u5c64\u884c\u70ba\u5206\u6790<\/li>\n<li>\u6a5f\u5668\u4eba\u6aa2\u6e2c\u6a5f\u5236<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><strong>\u667a\u6167\u6d41\u91cf\u5206\u914d\u7cfb\u7d71<\/strong><\/h2>\n<p>\u667a\u6167\u6d41\u91cf\u5206\u914d\u7684\u5be6\u65bd\u5305\u62ec:<\/p>\n<ol>\n<li>\u5730\u7406\u5206\u5e03:\n<ul>\n<li>\u904d\u5e03\u4e9e\u6d32\u7684\u591a\u500b\u5b58\u5728\u9ede(PoPs)<\/li>\n<li>\u4efb\u64ad\u8def\u7531\u5be6\u65bd<\/li>\n<li>\u5340\u57df\u6d41\u91cf\u512a\u5316<\/li>\n<\/ul>\n<\/li>\n<li>\u8ca0\u8f09\u5e73\u8861\u6a5f\u5236:\n<ul>\n<li>\u52d5\u614b\u4f3a\u670d\u5668\u5206\u914d<\/li>\n<li>\u8cc7\u6e90\u5229\u7528\u76e3\u63a7<\/li>\n<li>\u81ea\u52d5\u6545\u969c\u8f49\u79fb\u7cfb\u7d71<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2><strong>\u6700\u4f73\u9632\u8b77\u6280\u8853\u898f\u683c<\/strong><\/h2>\n<p>\u5728\u914d\u7f6e\u9999\u6e2f\u9ad8\u9632\u4f3a\u670d\u5668\u79df\u7528\u89e3\u6c7a\u65b9\u6848\u6642,\u9700\u8981\u4ed4\u7d30\u8003\u616e\u4ee5\u4e0b\u6280\u8853\u53c3\u6578:<\/p>\n<ul>\n<li>\u9632\u8b77\u80fd\u529b:\n<ul>\n<li>\u983b\u5bec:500+ Gbps\u7de9\u89e3\u80fd\u529b<\/li>\n<li>\u6578\u64da\u5305\u8655\u7406:200+\u767e\u842cPPS<\/li>\n<li>\u9023\u63a5\u8655\u7406:30+\u767e\u842c\u4e26\u767c\u9023\u63a5<\/li>\n<\/ul>\n<\/li>\n<li>\u56de\u61c9\u6307\u6a19:\n<ul>\n<li>\u555f\u52d5\u6642\u9593:< 10\u79d2<\/li>\n<li>\u653b\u64ca\u671f\u9593\u5ef6\u9072\u958b\u92b7:< 1ms<\/li>\n<li>\u8aa4\u5831\u7387:< 0.001%<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><strong>\u61c9\u6025\u56de\u61c9\u5354\u8b70<\/strong><\/h2>\n<p>\u5728\u4e3b\u52d5SYN\u6d2a\u6c34\u653b\u64ca\u671f\u9593,\u7cfb\u7d71\u57f7\u884c\u4ee5\u4e0b\u56de\u61c9\u5e8f\u5217:<\/p>\n<ol>\n<li>\u653b\u64ca\u6aa2\u6e2c\u968e\u6bb5:\n<ul>\n<li>\u6d41\u91cf\u6a21\u5f0f\u5206\u6790<\/li>\n<li>\u7570\u5e38\u6aa2\u6e2c<\/li>\n<li>\u653b\u64ca\u7279\u5fb5\u8b58\u5225<\/li>\n<\/ul>\n<\/li>\n<li>\u7de9\u89e3\u5be6\u65bd:\n<ul>\n<li>\u52d5\u614b\u898f\u5247\u90e8\u7f72<\/li>\n<li>\u6d41\u91cf\u91cd\u65b0\u8def\u7531<\/li>\n<li>\u8cc7\u6e90\u91cd\u65b0\u5206\u914d<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2><strong>\u6548\u80fd\u512a\u5316\u548c\u76e3\u63a7<\/strong><\/h2>\n<p>\u6301\u7e8c\u76e3\u63a7\u548c\u512a\u5316\u662f\u6709\u6548SYN\u653b\u64ca\u9632\u79a6\u7684\u95dc\u9375\u7d44\u6210\u90e8\u5206\u3002\u7cfb\u7d71\u5be6\u65bd:<\/p>\n<ul>\n<li>\u5373\u6642\u76e3\u63a7:\n<ul>\n<li>\u7db2\u8def\u6d41\u91cf\u5206\u6790<\/li>\n<li>\u7cfb\u7d71\u8cc7\u6e90\u5229\u7528<\/li>\n<li>\u653b\u64ca\u6a21\u5f0f\u8b58\u5225<\/li>\n<\/ul>\n<\/li>\n<li>\u6548\u80fd\u6307\u6a19:\n<ul>\n<li>\u541e\u5410\u91cf\u6e2c\u91cf<\/li>\n<li>\u5ef6\u9072\u8ffd\u8e64<\/li>\n<li>\u6578\u64da\u5305\u4e1f\u5931\u76e3\u63a7<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><strong>\u4f3a\u670d\u5668\u914d\u7f6e\u6700\u4f73\u5be6\u8e10<\/strong><\/h2>\n<p>\u70ba\u6700\u5927\u9650\u5ea6\u5730\u63d0\u9ad8\u9999\u6e2f\u9ad8\u9632\u4f3a\u670d\u5668\u79df\u7528\u89e3\u6c7a\u65b9\u6848\u7684\u6709\u6548\u6027,\u8acb\u5be6\u65bd\u4ee5\u4e0b\u6280\u8853\u914d\u7f6e:<\/p>\n<ol>\n<li>TCP\/IP\u5806\u758a\u512a\u5316:\n<ul>\n<li>net.ipv4.tcp_max_syn_backlog = 8192<\/li>\n<li>net.ipv4.tcp_synack_retries = 2<\/li>\n<li>net.ipv4.tcp_syn_retries = 2<\/li>\n<\/ul>\n<\/li>\n<li>\u6838\u5fc3\u53c3\u6578\u8abf\u512a:\n<ul>\n<li>net.core.somaxconn = 16384<\/li>\n<li>net.ipv4.tcp_max_tw_buckets = 1440000<\/li>\n<li>net.ipv4.tcp_fin_timeout = 15<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2><strong>\u9762\u5411\u672a\u4f86\u7684\u9632\u8b77\u7b56\u7565<\/strong><\/h2>\n<p>\u96a8\u8457\u653b\u64ca\u65b9\u6cd5\u7684\u767c\u5c55,\u9999\u6e2f\u9ad8\u9632\u4f3a\u670d\u5668\u79df\u7528\u89e3\u6c7a\u65b9\u6848\u7e7c\u7e8c\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u63a8\u9032:<\/p>\n<ul>\n<li>\u5be6\u65bd\u4eba\u5de5\u667a\u6167\/\u6a5f\u5668\u5b78\u7fd2\u6f14\u7b97\u6cd5\u9032\u884c\u653b\u64ca\u9810\u6e2c<\/li>\n<li>\u6574\u5408\u6297\u91cf\u5b50\u5bc6\u78bc\u5b78<\/li>\n<li>\u958b\u767c\u9ad8\u7d1a\u6d41\u91cf\u5206\u6790\u80fd\u529b<\/li>\n<li>\u589e\u5f37\u5206\u6563\u5f0f\u9632\u79a6\u6a5f\u5236<\/li>\n<\/ul>\n<h2><strong>\u7d50\u8ad6<\/strong><\/h2>\n<p>\u9999\u6e2f\u9ad8\u9632\u4f3a\u670d\u5668\u57fa\u790e\u8a2d\u65bd\u4e2d\u5be6\u65bd\u7684\u8907\u96dc\u9632\u79a6\u6a5f\u5236\u5c55\u793a\u4e86\u91dd\u5c0dSYN\u653b\u64ca\u7684\u7db2\u8def\u5b89\u5168\u63aa\u65bd\u7684\u6f14\u8b8a\u3002\u901a\u904e\u5148\u9032\u786c\u9ad4\u90e8\u7f72\u3001\u667a\u6167\u8edf\u9ad4\u7cfb\u7d71\u548c\u6301\u7e8c\u76e3\u63a7\u7684\u7d50\u5408,\u9019\u4e9b\u4f3a\u670d\u5668\u70ba\u65e5\u76ca\u8907\u96dc\u7684DDoS\u5a01\u8105\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u4fdd\u8b77\u3002\u5c0d\u65bc\u9700\u8981\u5b89\u5168\u4f3a\u670d\u5668\u79df\u7528\u89e3\u6c7a\u65b9\u6848\u7684\u7d44\u7e54\u4f86\u8aaa,\u4e86\u89e3\u9019\u4e9b\u6280\u8853\u65b9\u9762\u5c0d\u65bc\u5be6\u65bd\u6709\u6548\u7684\u7db2\u8def\u5b89\u5168\u7b56\u7565\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5c0d\u65bc\u5c0b\u6c42\u53ef\u9760\u4f3a\u670d\u5668\u79df\u7528\u89e3\u6c7a\u65b9\u6848\u7684\u7cfb\u7d71\u7ba1\u7406\u54e1\u548c\u5b89\u5168\u5c08\u696d\u4eba\u54e1\u4f86\u8aaa,\u9999\u6e2f\u7684\u9ad8\u9632\u4f3a\u670d\u5668\u901a\u904e\u5176\u5148\u9032\u7684\u6280\u8853\u57fa\u790e\u8a2d\u65bd\u548c\u8907\u96dc\u7684\u9632\u79a6\u6a5f\u5236,\u63d0\u4f9b\u4e86\u5168\u9762\u7684SYN\u653b\u64ca\u9632\u8b77\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u9999\u6e2f\u84ec\u52c3\u767c\u5c55\u7684\u6578\u4f4d\u57fa\u790e\u8a2d\u65bd\u4e2d,\u9ad8\u9632\u4f3a\u670d\u5668\u5df2\u6210\u70ba\u7db2\u8def\u5b89\u5168\u9632\u79a6\u7684\u57fa\u77f3,\u7279\u5225\u662f\u91dd\u5c0d\u8907\u96dc\u7684SYN\u6d2a\u6c34\u653b\u64ca\u3002\u96a8\u8457\u7db2\u8def\u5a01 [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":11,"featured_media":25014,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[268],"tags":[],"class_list":["post-25018","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-tc"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u9999\u6e2f\u9ad8\u9632\u4f3a\u670d\u5668\u5982\u4f55\u9632\u79a6SYN\u653b\u64ca<\/title>\n<meta name=\"description\" content=\"\u6df1\u5165\u63a2\u8a0e\u9999\u6e2f\u9ad8\u9632\u4f3a\u670d\u5668\u5c0d\u6297SYN\u6d2a\u6c34\u653b\u64ca\u7684\u6280\u8853\u6a5f\u5236,\u5305\u62ec\u786c\u9ad4\u9632\u8b77\u3001SYN cookie\u5be6\u73fe\u548c\u9ad8\u7d1a\u6d41\u91cf\u904e\u6ffe\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-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/\" \/>\n<meta property=\"og:locale\" content=\"zh_TW\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u9999\u6e2f\u9ad8\u9632\u4f3a\u670d\u5668\u5982\u4f55\u9632\u79a6SYN\u653b\u64ca\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/\" \/>\n<meta property=\"og:site_name\" content=\"Varidata Limited\" \/>\n<meta property=\"article:published_time\" content=\"2025-09-19T07:21:45+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-19T07:24:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.varidata.com\/wp-content\/uploads\/2025\/09\/Screenshot-2025-09-19-143647.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"684\" \/>\n\t<meta property=\"og:image:height\" content=\"384\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/\"},\"author\":\"Varidata\",\"headline\":\"\u9999\u6e2f\u9ad8\u9632\u4f3a\u670d\u5668\u5982\u4f55\u9632\u79a6SYN\u653b\u64ca\",\"datePublished\":\"2025-09-19T07:21:45+00:00\",\"dateModified\":\"2025-09-19T07:24:34+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/\"},\"wordCount\":66,\"publisher\":{\"@id\":\"https:\/\/www.varidata.com\/zh-tw\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.varidata.com\/wp-content\/uploads\/2025\/09\/Screenshot-2025-09-19-143647.jpg\",\"articleSection\":[\"Varidata \u77e5\u8b58\u6587\u6a94\"],\"inLanguage\":\"zh-TW\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/\",\"url\":\"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/\",\"name\":\"\u9999\u6e2f\u9ad8\u9632\u4f3a\u670d\u5668\u5982\u4f55\u9632\u79a6SYN\u653b\u64ca\",\"isPartOf\":{\"@id\":\"https:\/\/www.varidata.com\/zh-tw\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.varidata.com\/wp-content\/uploads\/2025\/09\/Screenshot-2025-09-19-143647.jpg\",\"datePublished\":\"2025-09-19T07:21:45+00:00\",\"dateModified\":\"2025-09-19T07:24:34+00:00\",\"description\":\"\u6df1\u5165\u63a2\u8a0e\u9999\u6e2f\u9ad8\u9632\u4f3a\u670d\u5668\u5c0d\u6297SYN\u6d2a\u6c34\u653b\u64ca\u7684\u6280\u8853\u6a5f\u5236,\u5305\u62ec\u786c\u9ad4\u9632\u8b77\u3001SYN cookie\u5be6\u73fe\u548c\u9ad8\u7d1a\u6d41\u91cf\u904e\u6ffe\u3002\",\"breadcrumb\":{\"@id\":\"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/#breadcrumb\"},\"inLanguage\":\"zh-TW\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-TW\",\"@id\":\"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/#primaryimage\",\"url\":\"https:\/\/www.varidata.com\/wp-content\/uploads\/2025\/09\/Screenshot-2025-09-19-143647.jpg\",\"contentUrl\":\"https:\/\/www.varidata.com\/wp-content\/uploads\/2025\/09\/Screenshot-2025-09-19-143647.jpg\",\"width\":684,\"height\":384,\"caption\":\"\u9ad8\u9632\u4f3a\u670d\u5668DDoS\u9632\u8b77\u7cfb\u7d71\u793a\u610f\u5716\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.varidata.com\/zh-tw\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u9999\u6e2f\u9ad8\u9632\u4f3a\u670d\u5668\u5982\u4f55\u9632\u79a6SYN\u653b\u64ca\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.varidata.com\/zh-tw\/#website\",\"url\":\"https:\/\/www.varidata.com\/zh-tw\/\",\"name\":\"Varidata Limited\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.varidata.com\/zh-tw\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.varidata.com\/zh-tw\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"zh-TW\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.varidata.com\/zh-tw\/#organization\",\"name\":\"Varidata\",\"url\":\"https:\/\/www.varidata.com\/zh-tw\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-TW\",\"@id\":\"https:\/\/www.varidata.com\/zh-tw\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.varidata.com\/wp-content\/uploads\/2021\/09\/varidata_logo_white_-748x480_hor_web-1.png\",\"contentUrl\":\"https:\/\/www.varidata.com\/wp-content\/uploads\/2021\/09\/varidata_logo_white_-748x480_hor_web-1.png\",\"width\":248,\"height\":94,\"caption\":\"Varidata\"},\"image\":{\"@id\":\"https:\/\/www.varidata.com\/zh-tw\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.varidata.com\/zh-tw\/#\/schema\/person\/afeb2203681f7919a757a02690f38abd\",\"name\":\"Daisy Yu\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-TW\",\"@id\":\"https:\/\/www.varidata.com\/zh-tw\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/38db59364245f7a04c07a2888056fc3db37247c1af72457af92d8001da594989?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/38db59364245f7a04c07a2888056fc3db37247c1af72457af92d8001da594989?s=96&d=mm&r=g\",\"caption\":\"Daisy Yu\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u9999\u6e2f\u9ad8\u9632\u4f3a\u670d\u5668\u5982\u4f55\u9632\u79a6SYN\u653b\u64ca","description":"\u6df1\u5165\u63a2\u8a0e\u9999\u6e2f\u9ad8\u9632\u4f3a\u670d\u5668\u5c0d\u6297SYN\u6d2a\u6c34\u653b\u64ca\u7684\u6280\u8853\u6a5f\u5236,\u5305\u62ec\u786c\u9ad4\u9632\u8b77\u3001SYN cookie\u5be6\u73fe\u548c\u9ad8\u7d1a\u6d41\u91cf\u904e\u6ffe\u3002","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/","og_locale":"zh_TW","og_type":"article","og_title":"\u9999\u6e2f\u9ad8\u9632\u4f3a\u670d\u5668\u5982\u4f55\u9632\u79a6SYN\u653b\u64ca","og_url":"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/","og_site_name":"Varidata Limited","article_published_time":"2025-09-19T07:21:45+00:00","article_modified_time":"2025-09-19T07:24:34+00:00","og_image":[{"width":684,"height":384,"url":"https:\/\/www.varidata.com\/wp-content\/uploads\/2025\/09\/Screenshot-2025-09-19-143647.jpg","type":"image\/jpeg"}],"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/#article","isPartOf":{"@id":"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/"},"author":"Varidata","headline":"\u9999\u6e2f\u9ad8\u9632\u4f3a\u670d\u5668\u5982\u4f55\u9632\u79a6SYN\u653b\u64ca","datePublished":"2025-09-19T07:21:45+00:00","dateModified":"2025-09-19T07:24:34+00:00","mainEntityOfPage":{"@id":"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/"},"wordCount":66,"publisher":{"@id":"https:\/\/www.varidata.com\/zh-tw\/#organization"},"image":{"@id":"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/#primaryimage"},"thumbnailUrl":"https:\/\/www.varidata.com\/wp-content\/uploads\/2025\/09\/Screenshot-2025-09-19-143647.jpg","articleSection":["Varidata \u77e5\u8b58\u6587\u6a94"],"inLanguage":"zh-TW"},{"@type":"WebPage","@id":"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/","url":"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/","name":"\u9999\u6e2f\u9ad8\u9632\u4f3a\u670d\u5668\u5982\u4f55\u9632\u79a6SYN\u653b\u64ca","isPartOf":{"@id":"https:\/\/www.varidata.com\/zh-tw\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/#primaryimage"},"image":{"@id":"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/#primaryimage"},"thumbnailUrl":"https:\/\/www.varidata.com\/wp-content\/uploads\/2025\/09\/Screenshot-2025-09-19-143647.jpg","datePublished":"2025-09-19T07:21:45+00:00","dateModified":"2025-09-19T07:24:34+00:00","description":"\u6df1\u5165\u63a2\u8a0e\u9999\u6e2f\u9ad8\u9632\u4f3a\u670d\u5668\u5c0d\u6297SYN\u6d2a\u6c34\u653b\u64ca\u7684\u6280\u8853\u6a5f\u5236,\u5305\u62ec\u786c\u9ad4\u9632\u8b77\u3001SYN cookie\u5be6\u73fe\u548c\u9ad8\u7d1a\u6d41\u91cf\u904e\u6ffe\u3002","breadcrumb":{"@id":"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/#breadcrumb"},"inLanguage":"zh-TW","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/"]}]},{"@type":"ImageObject","inLanguage":"zh-TW","@id":"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/#primaryimage","url":"https:\/\/www.varidata.com\/wp-content\/uploads\/2025\/09\/Screenshot-2025-09-19-143647.jpg","contentUrl":"https:\/\/www.varidata.com\/wp-content\/uploads\/2025\/09\/Screenshot-2025-09-19-143647.jpg","width":684,"height":384,"caption":"\u9ad8\u9632\u4f3a\u670d\u5668DDoS\u9632\u8b77\u7cfb\u7d71\u793a\u610f\u5716"},{"@type":"BreadcrumbList","@id":"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-hong-kong-anti-ddos-servers-defend-against-syn-attacks\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.varidata.com\/zh-tw\/"},{"@type":"ListItem","position":2,"name":"\u9999\u6e2f\u9ad8\u9632\u4f3a\u670d\u5668\u5982\u4f55\u9632\u79a6SYN\u653b\u64ca"}]},{"@type":"WebSite","@id":"https:\/\/www.varidata.com\/zh-tw\/#website","url":"https:\/\/www.varidata.com\/zh-tw\/","name":"Varidata Limited","description":"","publisher":{"@id":"https:\/\/www.varidata.com\/zh-tw\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.varidata.com\/zh-tw\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"zh-TW"},{"@type":"Organization","@id":"https:\/\/www.varidata.com\/zh-tw\/#organization","name":"Varidata","url":"https:\/\/www.varidata.com\/zh-tw\/","logo":{"@type":"ImageObject","inLanguage":"zh-TW","@id":"https:\/\/www.varidata.com\/zh-tw\/#\/schema\/logo\/image\/","url":"https:\/\/www.varidata.com\/wp-content\/uploads\/2021\/09\/varidata_logo_white_-748x480_hor_web-1.png","contentUrl":"https:\/\/www.varidata.com\/wp-content\/uploads\/2021\/09\/varidata_logo_white_-748x480_hor_web-1.png","width":248,"height":94,"caption":"Varidata"},"image":{"@id":"https:\/\/www.varidata.com\/zh-tw\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.varidata.com\/zh-tw\/#\/schema\/person\/afeb2203681f7919a757a02690f38abd","name":"Daisy Yu","image":{"@type":"ImageObject","inLanguage":"zh-TW","@id":"https:\/\/www.varidata.com\/zh-tw\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/38db59364245f7a04c07a2888056fc3db37247c1af72457af92d8001da594989?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/38db59364245f7a04c07a2888056fc3db37247c1af72457af92d8001da594989?s=96&d=mm&r=g","caption":"Daisy Yu"}}]}},"_links":{"self":[{"href":"https:\/\/www.varidata.com\/zh-tw\/wp-json\/wp\/v2\/posts\/25018","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.varidata.com\/zh-tw\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.varidata.com\/zh-tw\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.varidata.com\/zh-tw\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/www.varidata.com\/zh-tw\/wp-json\/wp\/v2\/comments?post=25018"}],"version-history":[{"count":1,"href":"https:\/\/www.varidata.com\/zh-tw\/wp-json\/wp\/v2\/posts\/25018\/revisions"}],"predecessor-version":[{"id":25019,"href":"https:\/\/www.varidata.com\/zh-tw\/wp-json\/wp\/v2\/posts\/25018\/revisions\/25019"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.varidata.com\/zh-tw\/wp-json\/wp\/v2\/media\/25014"}],"wp:attachment":[{"href":"https:\/\/www.varidata.com\/zh-tw\/wp-json\/wp\/v2\/media?parent=25018"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.varidata.com\/zh-tw\/wp-json\/wp\/v2\/categories?post=25018"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.varidata.com\/zh-tw\/wp-json\/wp\/v2\/tags?post=25018"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}