{"id":14611,"date":"2024-08-14T11:35:21","date_gmt":"2024-08-14T03:35:21","guid":{"rendered":"https:\/\/www.simcentric.com\/uncategorized-tc\/how-to-enhance-the-defense-of-server-cdn\/"},"modified":"2024-08-14T12:10:38","modified_gmt":"2024-08-14T04:10:38","slug":"how-to-enhance-the-defense-of-server-cdn","status":"publish","type":"post","link":"https:\/\/www.simcentric.com\/tc\/hong-kong-dedicated-server-tc\/how-to-enhance-the-defense-of-server-cdn\/","title":{"rendered":"\u5982\u4f55\u589e\u5f37\u4f3a\u670d\u5668CDN\u7684\u9632\u79a6\u80fd\u529b\uff1f"},"content":{"rendered":"

\u5728\u4e0d\u65b7\u767c\u5c55\u7684\u7db2\u8def\u4f3a\u670d\u5668\u79df\u7528\u548c\u5167\u5bb9\u5206\u767c\u9818\u57df,\u4fdd\u8b77\u60a8\u7684CDN(\u5167\u5bb9\u5206\u767c\u7db2\u8def)<\/a>\u81f3\u95dc\u91cd\u8981,\u5c24\u5176\u662f\u9762\u81e8\u7368\u7279\u6311\u6230\u7684\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u3002\u672c\u6307\u5357\u6df1\u5165\u63a2\u8a0e\u4e86\u589e\u5f37CDN\u9632\u79a6\u7684\u7d30\u7bc0,\u70ba\u60a8\u63d0\u4f9b\u53ef\u884c\u7684\u7b56\u7565\u548c\u7a0b\u5f0f\u78bc\u793a\u4f8b,\u4ee5\u978f\u56fa\u60a8\u7684\u6578\u4f4d\u5821\u58d8\u3002<\/p>\n

\u7406\u89e3CDN\u9632\u79a6\u57fa\u790e<\/strong><\/h2>\n

\u5728\u6df1\u5165\u9ad8\u7d1a\u6280\u8853\u4e4b\u524d,\u8b93\u6211\u5011\u7c21\u8981\u56de\u9867CDN\u7684\u5de5\u4f5c\u539f\u7406\u53ca\u5176\u5c0d\u4f3a\u670d\u5668\u79df\u7528\u5b89\u5168\u7684\u91cd\u8981\u6027\u3002CDN\u5c07\u60a8\u7684\u5167\u5bb9\u5206\u5e03\u5728\u591a\u500b\u5730\u7406\u4f4d\u7f6e,\u6e1b\u5c11\u5ef6\u9072\u4e26\u63d0\u9ad8\u8f09\u5165\u901f\u5ea6\u3002\u7136\u800c,\u9019\u7a2e\u5206\u5e03\u5f0f\u7279\u6027\u4e5f\u5e36\u4f86\u4e86\u7368\u7279\u7684\u5b89\u5168\u6311\u6230\u3002<\/p>\n

\u589e\u5f37CDN\u9632\u79a6\u7684\u95dc\u9375\u7b56\u7565<\/strong><\/h2>\n

1. \u5be6\u65bdHTTPS<\/h3>\n

\u5728\u7576\u4eca\u7684\u5b89\u5168\u74b0\u5883\u4e2d,HTTPS\u662f\u4e0d\u53ef\u5354\u5546\u7684\u3002\u5b83\u52a0\u5bc6\u50b3\u8f38\u4e2d\u7684\u6578\u64da,\u9632\u6b62\u88ab\u6514\u622a\u3002\u4ee5\u4e0b\u662f\u5f37\u5236\u4f7f\u7528HTTPS\u7684\u7c21\u55aeNginx\u914d\u7f6e:<\/p>\n

server {\r\n    listen 80;\r\n    server_name yourdomain.com;\r\n    return 301 https:\/\/$server_name$request_uri;\r\n}\r\n\r\nserver {\r\n    listen 443 ssl;\r\n    server_name yourdomain.com;\r\n\r\n    ssl_certificate \/path\/to\/your\/certificate.crt;\r\n    ssl_certificate_key \/path\/to\/your\/private.key;\r\n\r\n    # \u5176\u4ed6SSL\u914d\u7f6e...\r\n}\r\n<\/code><\/pre>\n
2. \u90e8\u7f72Web\u61c9\u7528\u9632\u706b\u7246(WAF)<\/h3>\n
WAF\u5145\u7576\u76fe\u724c,\u5728\u60e1\u610f\u6d41\u91cf\u5230\u9054\u4f3a\u670d\u5668\u4e4b\u524d\u904e\u6ffe\u6389\u5b83\u3002\u5c0d\u65bc\u9999\u6e2f\u4f3a\u670d\u5668,\u8003\u616e\u4f7f\u7528\u63d0\u4f9b\u5340\u57df\u7279\u5b9a\u898f\u5247\u96c6\u7684WAF\u3002\u4ee5\u4e0b\u662f\u8a2d\u7f6e\u958b\u6e90WAF ModSecurity\u7684\u793a\u4f8b:<\/p>\n
# \u5b89\u88ddModSecurity\r\nsudo apt-get install libapache2-mod-security2\r\n\r\n# \u555f\u7528ModSecurity\r\nsudo a2enmod security2\r\n\r\n# \u914d\u7f6eModSecurity\r\nsudo nano \/etc\/modsecurity\/modsecurity.conf\r\n\r\n# \u5c07SecRuleEngine\u8a2d\u7f6e\u70ba\"On\"\r\nSecRuleEngine On\r\n\r\n# \u91cd\u65b0\u555f\u52d5Apache\r\nsudo systemctl restart apache2\r\n<\/code><\/pre>\n
3. \u5be6\u65bdDDoS\u9632\u8b77<\/h3>\n
\u5206\u6563\u5f0f\u963b\u65b7\u670d\u52d9(DDoS)\u653b\u64ca<\/a>\u53ef\u80fd\u6703\u4f7f\u60a8\u7684\u57fa\u790e\u8a2d\u65bd\u7671\u7613\u3002\u5be6\u65bd\u901f\u7387\u9650\u5236\u4e26\u4f7f\u7528\u5177\u6709\u5167\u5efaDDoS\u7de9\u89e3\u529f\u80fd\u7684CDN\u63d0\u4f9b\u5546\u3002\u4ee5\u4e0b\u662fNginx\u901f\u7387\u9650\u5236\u7684\u7c21\u55ae\u914d\u7f6e:<\/p>\n
http {\r\n    limit_req_zone $binary_remote_addr zone=one:10m rate=1r\/s;\r\n\r\n    server {\r\n        location \/login\/ {\r\n            limit_req zone=one burst=5;\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n
4. \u6700\u4f73\u5316\u5feb\u53d6\u7b56\u7565<\/h3>\n
\u667a\u6167\u5feb\u53d6\u4e0d\u50c5\u63d0\u9ad8\u6548\u80fd,\u9084\u901a\u904e\u6e1b\u5c11\u6e90\u4f3a\u670d\u5668\u7684\u8ca0\u8f09\u4f86\u589e\u5f37\u5b89\u5168\u6027\u3002\u4f7f\u7528Nginx<\/a>\u5be6\u65bd\u667a\u6167\u5feb\u53d6\u7b56\u7565:<\/p>\n
location ~* \\.(jpg|jpeg|png|gif|ico|css|js)$ {\r\n    expires 30d;\r\n    add_header Cache-Control \"public, no-transform\";\r\n}\r\n\r\nlocation ~* \\.(pdf|txt)$ {\r\n    expires 7d;\r\n    add_header Cache-Control \"public, no-transform\";\r\n}\r\n<\/code><\/pre>\n
\u9999\u6e2f\u7279\u6709\u8003\u616e\u56e0\u7d20<\/strong><\/h2>\n
\u9999\u6e2f\u4f5c\u70ba\u9023\u63a5\u6771\u897f\u65b9\u7684\u9580\u6236,\u5176\u7368\u7279\u7684\u5730\u7406\u4f4d\u7f6e\u70ba\u4f3a\u670d\u5668\u79df\u7528\u5b89\u5168\u5e36\u4f86\u6a5f\u9047\u548c\u6311\u6230\u3002\u5229\u7528\u9019\u4e00\u512a\u52e2:<\/p>\n
    \n
  1. \u5c0d\u53ef\u7591\u5340\u57df\u5be6\u65bd\u5730\u7406\u963b\u64cb<\/li>\n
  2. \u5229\u7528\u9999\u6e2f\u5148\u9032\u7684\u57fa\u790e\u8a2d\u65bd,\u5be6\u73fe\u66f4\u5feb\u7684\u5a01\u8105\u5075\u6e2c<\/li>\n
  3. \u9075\u5b88\u7576\u5730\u8cc7\u6599\u4fdd\u8b77\u6cd5\u5f8b,\u5982\u300a\u500b\u4eba\u8cc7\u6599(\u79c1\u96b1)\u689d\u4f8b\u300b(PDPO)<\/li>\n<\/ol>\n
    \u76e3\u63a7\u548c\u7dad\u8b77CDN\u5b89\u5168<\/strong><\/h2>\n
    \u6301\u7e8c\u76e3\u63a7\u81f3\u95dc\u91cd\u8981\u3002\u8a2d\u7f6e\u7570\u5e38\u6d41\u91cf\u6a21\u5f0f\u7684\u8b66\u5831,\u4e26\u5b9a\u671f\u5be9\u6838\u60a8\u7684\u5b89\u5168\u63aa\u65bd\u3002\u4ee5\u4e0b\u662f\u7528\u65bc\u76e3\u63a7\u6f5b\u5728DDoS\u653b\u64ca\u7684\u7c21\u55aebash\u8173\u672c:<\/p>\n
    #!\/bin\/bash\r\n\r\nTHRESHOLD=1000\r\nLOG_FILE=\"\/var\/log\/nginx\/access.log\"\r\n\r\nREQUESTS=$(tail -n 5000 $LOG_FILE | wc -l)\r\n\r\nif [ $REQUESTS -gt $THRESHOLD ]; then\r\n    echo \"\u6aa2\u6e2c\u5230\u6f5b\u5728\u7684DDoS\u653b\u64ca! \u6700\u5f8c5000\u884c\u4e2d\u6709 $REQUESTS \u500b\u8acb\u6c42\u3002\"\r\n    # \u5728\u6b64\u6dfb\u52a0\u901a\u77e5\u908f\u8f2f\r\nfi\r\n<\/code><\/pre>\n
    \u7d50\u8ad6<\/strong><\/h2>\n
    \u589e\u5f37\u9999\u6e2f\u4f3a\u670d\u5668\u7684CDN\u9632\u79a6\u9700\u8981\u591a\u65b9\u9762\u7684\u65b9\u6cd5\u3002\u901a\u904e\u5be6\u65bdHTTPS\u3001\u90e8\u7f72WAF\u3001\u7de9\u89e3DDoS\u653b\u64ca\u548c\u6700\u4f73\u5316\u5feb\u53d6,\u60a8\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u4f3a\u670d\u5668\u79df\u7528\u5b89\u5168\u6027\u3002\u8acb\u8a18\u4f4f,\u5b89\u5168\u662f\u4e00\u500b\u6301\u7e8c\u7684\u904e\u7a0b\u3002\u4fdd\u6301\u8b66\u60d5,\u53ca\u6642\u66f4\u65b0\u7cfb\u7d71,\u4e26\u4e0d\u65b7\u5b8c\u5584\u60a8\u7684\u9632\u79a6\u7b56\u7565\u3002<\/p>\n
    \u5e38\u898b\u554f\u984c<\/strong><\/h2>\n
      \n
    1. \u6211\u61c9\u8a72\u591a\u4e45\u5be9\u6838\u4e00\u6b21CDN\u5b89\u5168?
      \n       \u6bcf\u5b63\u5ea6\u9032\u884c\u4e00\u6b21\u5fb9\u5e95\u5be9\u6838,\u540c\u6642\u6301\u7e8c\u76e3\u63a7\u3002<\/li>\n
    2. \u6211\u53ef\u4ee5\u5728\u5171\u4eab\u4e3b\u6a5f\u4e0a\u5be6\u65bd\u9019\u4e9b\u7b56\u7565\u55ce?
      \n       \u67d0\u4e9b\u7b56\u7565\u53ef\u80fd\u9700\u8981root\u5b58\u53d6\u6b0a\u9650\u3002\u8acb\u8207\u60a8\u7684\u4f3a\u670d\u5668\u79df\u7528\u63d0\u4f9b\u5546\u78ba\u8a8d\u3002<\/li>\n
    3. \u5982\u4f55\u70ba\u6211\u7684\u9999\u6e2f\u4f3a\u670d\u5668\u9078\u64c7\u5408\u9069\u7684WAF?
      \n       \u5c0b\u627e\u5177\u6709\u4e9e\u592a\u5730\u5340\u7279\u5b9a\u898f\u5247\u96c6\u548c\u5728\u8a72\u5730\u5340\u5177\u6709\u826f\u597d\u5ef6\u9072\u6548\u80fd\u7684WAF\u3002<\/li>\n<\/ol>\n
      \u901a\u904e\u5be6\u65bd\u9019\u4e9b\u9ad8\u7d1aCDN\u9632\u79a6\u7b56\u7565,\u60a8\u4e0d\u50c5\u4fdd\u8b77\u4e86\u60a8\u7684\u9999\u6e2f\u4f3a\u670d\u5668,\u9084\u5f37\u5316\u4e86\u6574\u500b\u7dda\u4e0a\u5b58\u5728\u7684\u6578\u4f4d\u57fa\u790e\u3002\u4fdd\u6301\u5b89\u5168,\u4fdd\u6301\u8b66\u60d5,\u4e26\u4e0d\u65b7\u63a8\u52d5\u4f3a\u670d\u5668\u79df\u7528\u5b89\u5168\u7684\u754c\u9650\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u5728\u4e0d\u65b7\u767c\u5c55\u7684\u7db2\u8def\u4f3a\u670d\u5668\u79df\u7528\u548c\u5167\u5bb9\u5206\u767c\u9818\u57df,\u4fdd\u8b77\u60a8\u7684CDN(\u5167\u5bb9\u5206\u767c\u7db2\u8def)\u81f3\u95dc\u91cd\u8981,\u5c24\u5176\u662f\u9762\u81e8\u7368\u7279\u6311\u6230\u7684\u9999\u6e2f\u4f3a\u670d […]<\/p>\n
      Read More…<\/a><\/p>\n","protected":false},"author":3,"featured_media":14584,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[2984,2985,2987,2239,259],"class_list":["post-14611","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-tc","tag-cdn-defense-tc","tag-hosting-security-tc","tag-https-implementation-tc","tag-ddos-protection-tc","tag-259"],"acf":[],"yoast_head":"\n\u5982\u4f55\u589e\u5f37\u4f3a\u670d\u5668CDN\u7684\u9632\u79a6\u80fd\u529b\uff1f<\/title>\n<meta name=\"description\" content=\"\u63a2\u7d22\u63d0\u5347\u9999\u6e2f\u4f3a\u670d\u5668CDN\u5b89\u5168\u6027\u7684\u9ad8\u7d1a\u6280\u8853\u3002\u5b78\u7fd2HTTPS\u3001WAF\u3001DDoS\u7de9\u89e3\u7b49,\u5be6\u73fe\u6700\u4f73\u9632\u8b77\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.simcentric.com\/tc\/wp-json\/wp\/v2\/posts\/14611\" \/>\n<meta property=\"og:locale\" content=\"zh_TW\" \/>\n<meta property=\"og:type\" content=\"company\" \/>\n<meta property=\"og:title\" content=\"\u5982\u4f55\u589e\u5f37\u4f3a\u670d\u5668CDN\u7684\u9632\u79a6\u80fd\u529b\uff1f\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.simcentric.com\/tc\/wp-json\/wp\/v2\/posts\/14611\" \/>\n<meta property=\"og:site_name\" content=\"\u65b0\u5929\u57df\u4e92\u806f\" \/>\n<meta property=\"article:published_time\" content=\"2024-08-14T03:35:21+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-08-14T04:10:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.simcentric.com\/wp-content\/uploads\/2024\/08\/sim_blog0814a.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"340\" \/>\n\t<meta property=\"og:image:height\" content=\"340\" \/>\n\t<meta property=\"og:image:type\" 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