{"id":209861,"date":"2025-10-24T00:23:57","date_gmt":"2025-10-23T16:23:57","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209861\/"},"modified":"2025-10-24T00:23:58","modified_gmt":"2025-10-23T16:23:58","slug":"%e4%b8%bb%e6%b5%81cdn%e6%b5%81%e9%87%8f%e6%b8%85%e6%b4%97%e8%83%bd%e5%8a%9b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209861\/","title":{"rendered":"\u4e3b\u6d41CDN\u6d41\u91cf\u6e05\u6d17\u80fd\u529b\u5bf9\u6bd4\uff1a\u8c01\u80fd\u9876\u4f4f\u5927\u6d41\u91cf\u653b\u51fb\uff1f"},"content":{"rendered":"<p>\u5728\u5f53\u4eca\u4e92\u8054\u7f51\u65f6\u4ee3\uff0c\u9762\u5bf9\u4e0d\u65ad\u6f14\u8fdb\u7684\u5927\u6d41\u91cf\u653b\u51fb\uff08DDoS \u548c\u5176\u4ed6\u6076\u610f\u6d41\u91cf\uff09\uff0c\u7f51\u7ad9\u548c\u5728\u7ebf\u670d\u52a1\u7684\u53ef\u7528\u6027\u6bd4\u4ee5\u5f80\u4efb\u4f55\u65f6\u5019\u90fd\u66f4\u4e3a\u5173\u952e\u3002\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u548c\u5f00\u53d1\u8005\u5728\u9009\u62e9 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\u7c92\u5ea6\uff09\u8bc6\u522b\u5f02\u5e38\u3002<\/li>\n<li>\u5b9e\u65f6\u53cd\u9988\u73af\uff1a\u6e05\u6d17\u52a8\u4f5c\uff08\u5982\u62e6\u622a\u3001\u6311\u6218\uff09\u4f1a\u5373\u65f6\u5f71\u54cd\u68c0\u6d4b\u7b56\u7565\uff0c\u51cf\u5c11\u8bef\u62a5\u4e0e\u6f0f\u62a5\u3002<\/li>\n<\/ul>\n<h2>\u4e3b\u6d41 CDN \u5728\u6e05\u6d17\u80fd\u529b\u4e0a\u7684\u5e94\u7528\u573a\u666f\u4e0e\u4f18\u52bf\u5bf9\u6bd4<\/h2>\n<p>\u4e0d\u540c CDN \u5728\u67b6\u6784\u4e0e\u4e1a\u52a1\u4fa7\u91cd\u70b9\u4e0a\u6709\u6240\u5dee\u5f02\uff0c\u4e0b\u9762\u6309\u5178\u578b\u5382\u5546\u7c7b\u578b\u4e0e\u80fd\u529b\u7ef4\u5ea6\u62c6\u89e3\u6bd4\u8f83\uff08\u4e0d\u505a\u9010\u9879\u54c1\u724c\u63a8\u8350\uff0c\u4fa7\u91cd\u6280\u672f\u7279\u70b9\u5bf9\u6bd4\uff0c\u4fbf\u4e8e\u9009\u62e9\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS \u6216\u5176\u4ed6\u6d77\u5916\u670d\u52a1\u5668\u65f6\u53c2\u8003\uff09\u3002<\/p>\n<h3>\u5927\u578b\u5168\u7403 CDN\uff08\u4f8b\u5982\u4ee5\u5927\u9aa8\u5e72\u4e0e\u5e7f\u6cdb Anycast \u4e3a\u4e3b\u7684\u4f9b\u5e94\u5546\uff09<\/h3>\n<ul>\n<li>\u4f18\u52bf\uff1a\u5168\u7403 Anycast + \u591a Tbps \u9aa8\u5e72\uff0c\u80fd\u591f\u5206\u6563\u5e76\u5438\u6536\u6781\u5927\u4f53\u91cf\u7684\u4f53\u79ef\u578b\u653b\u51fb\uff08UDP \u653e\u5927\u3001SYN FLOOD \u7b49\uff09\uff1b\u6e05\u6d17\u4e2d\u5fc3\u5bb9\u91cf\u5927\uff0c\u652f\u6301 BGP \u6d04\u6d41\u4e0e\u9ed1\u6d1e\u8def\u7531\u5feb\u901f\u5207\u6362\u3002<\/li>\n<li>\u6280\u672f\u7279\u70b9\uff1a\u96c6\u6210 DDoS \u4e13\u7528\u786c\u4ef6\uff08\u901f\u7387\u9650\u5236\u3001\u6df1\u5ea6\u5305\u68c0\u6d4b\uff09\u3001\u9ad8\u6548\u7684\u8fde\u63a5\u6c60\u7ba1\u7406\u3001RTBH\/FlowSpec \u652f\u6301\u3002<\/li>\n<li>\u9002\u7528\u573a\u666f\uff1a\u5bf9\u5ef6\u8fdf\u5bb9\u5fcd\u8f83\u9ad8\u4f46\u8981\u6c42\u5f3a\u53ef\u7528\u6027\u7684\u8de8\u56fd\u4f01\u4e1a\u3001\u4e3b\u8981\u6d41\u91cf\u5728\u591a\u5730\u533a\u5206\u5e03\u7684\u7f51\u7ad9\uff08\u5982\u90e8\u7f72\u5728\u65e5\u672c\u670d\u52a1\u5668\u3001\u97e9\u56fd\u670d\u52a1\u5668\u3001\u65b0\u52a0\u5761\u670d\u52a1\u5668\u65f6\u90fd\u5e0c\u671b\u7edf\u4e00\u9632\u62a4\uff09\u3002<\/li>\n<\/ul>\n<h3>\u8fb9\u7f18\u4f18\u5148 CDN\uff08\u5f3a\u8c03\u8fb9\u7f18\u6e05\u6d17\u548c\u5feb\u901f\u54cd\u5e94\uff09<\/h3>\n<ul>\n<li>\u4f18\u52bf\uff1a\u8fb9\u7f18\u8282\u70b9\u5206\u5e03\u5e7f\u3001\u54cd\u5e94\u5feb\uff0c\u80fd\u5728\u63a5\u8fd1\u6e90\u5934\u5c31\u4e22\u5f03\u5f02\u5e38\u6d41\u91cf\uff0c\u51cf\u5c11\u56de\u6e90\u538b\u529b\uff1b\u5bf9 L7 \u653b\u51fb\u54cd\u5e94\u901f\u5ea6\u5feb\uff0c\u9002\u5408\u5185\u5bb9\u5206\u53d1\u5bc6\u96c6\u548c\u4ea4\u4e92\u7c7b\u4e1a\u52a1\u3002<\/li>\n<li>\u6280\u672f\u7279\u70b9\uff1a\u8fb9\u7f18\u901f\u7387\u9650\u5236\u3001\u57fa\u4e8e\u5730\u7406\/ASN \u9ed1\u540d\u5355\u3001\u52a8\u6001 WAF \u89c4\u5219\u4e0b\u53d1\uff1b\u4e00\u822c\u5c06 TLS \u7ec8\u6b62\u5728\u8fb9\u7f18\u4ee5\u4fbf\u505a\u660e\u6587\u68c0\u6d4b\u3002<\/li>\n<li>\u9002\u7528\u573a\u666f\uff1a\u9762\u5411\u7ad9\u957f\u4e0e\u4e2d\u5c0f\u4f01\u4e1a\u7684\u7f51\u7ad9\u3001\u4f7f\u7528\u9999\u6e2f\u670d\u52a1\u5668\u6216\u9999\u6e2fVPS 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\u8bc6\u522b\u4e0e\u89c4\u5219\u81ea\u5b9a\u4e49\u65b9\u9762\u66f4\u7ec6\u81f4\uff0c\u9002\u5408\u9632\u62a4\u590d\u6742\u653b\u51fb\u94fe\uff08\u5982\u7ed5\u8fc7\u7f13\u5b58\u7684\u5e94\u7528\u5c42\u653b\u51fb\u3001\u722c\u866b\u4f2a\u88c5\u7b49\uff09\u3002<\/li>\n<li>\u6280\u672f\u7279\u70b9\uff1a\u4e30\u5bcc\u7684\u7b7e\u540d\u5e93\u3001\u884c\u4e3a\u6307\u7eb9\u6280\u672f\u3001\u53ef\u89c6\u5316\u56de\u6eaf\u4e0e\u53d6\u8bc1\u529f\u80fd\uff1b\u90e8\u5206\u5382\u5546\u63d0\u4f9b 24\/7 SOC \u652f\u6301\u3002<\/li>\n<li>\u9002\u7528\u573a\u666f\uff1a\u5bf9\u6570\u636e\u6cc4\u9732\u548c\u5e94\u7528\u5b89\u5168\u8981\u6c42\u9ad8\u7684\u91d1\u878d\u3001\u6e38\u620f\u3001SaaS \u7b49\u884c\u4e1a\u3002<\/li>\n<\/ul>\n<h2>\u6280\u672f\u7ec6\u8282\u6df1\u6316\uff1a\u4ec0\u4e48\u51b3\u5b9a\u201c\u80fd\u9876\u4f4f\u201d\u7684\u80fd\u529b\uff1f<\/h2>\n<p>\u8981\u5224\u65ad\u67d0\u4e2a CDN \u662f\u5426\u80fd\u9876\u4f4f\u5927\u6d41\u91cf\u653b\u51fb\uff0c\u9700\u8981\u5173\u6ce8\u4ee5\u4e0b\u7ec6\u8282\u6307\u6807\uff1a<\/p>\n<h3>1. \u603b\u9aa8\u5e72\u5e26\u5bbd\u4e0e\u5cf0\u503c\u5904\u7406\u80fd\u529b<\/h3>\n<ul>\n<li>\u7406\u8bba\u5e26\u5bbd\u4e0a\u9650\u51b3\u5b9a\u80fd\u5426\u5438\u6536\u5927\u6d41\u91cf\u3002\u82e5 CDN \u5168\u7f51\u603b\u5e26\u5bbd\u4f4e\u4e8e\u653b\u51fb\u5e26\u5bbd\uff0c\u4ecd\u6709\u88ab\u8017\u5c3d\u7684\u98ce\u9669\u3002<\/li>\n<li>\u6ce8\u610f\u5cf0\u503c\u5904\u7406\u80fd\u529b\u548c\u77ac\u65f6\u7a81\u53d1\u627f\u53d7\u80fd\u529b\uff08burst capacity\uff09\uff0c\u4e0d\u4ec5\u770b\u957f\u671f\u5e26\u5bbd\uff0c\u8fd8\u8981\u770b\u662f\u5426\u6709\u5f39\u6027\u6269\u5bb9\u3002<\/li>\n<\/ul>\n<h3>2. \u6e05\u6d17\u4e2d\u5fc3\u5206\u5e03\u4e0e Anycast \u7b56\u7565<\/h3>\n<ul>\n<li>Anycast \u5c06\u6d41\u91cf\u5206\u6563\u53ef\u4ee5\u964d\u4f4e\u5355\u70b9\u538b\u529b\uff0c\u4f46\u5982\u679c\u653b\u51fb\u667a\u80fd\u5730\u5728\u591a\u4e2a\u6765\u6e90\u540c\u6b65\u53d1\u8d77\uff0c\u4ecd\u9700\u8981\u8de8\u533a\u57df\u534f\u8c03\u6e05\u6d17\u3002<\/li>\n<li>\u8bc4\u4f30\u662f\u5426\u652f\u6301\u6309\u5730\u7406\/ASN \u6307\u5b9a\u6e05\u6d17\u7b56\u7565\uff0c\u4ee5\u53ca BGP \u6d04\u6d41\u5230\u6700\u8fd1\u6e05\u6d17\u4e2d\u5fc3\u7684\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<h3>3. L7 \u68c0\u6d4b\u4e0e TLS \u5904\u7406\u80fd\u529b<\/h3>\n<ul>\n<li>\u8bb8\u591a\u73b0\u4ee3\u653b\u51fb\u4f7f\u7528 HTTPS \u52a0\u5bc6\uff0c\u6e05\u6d17\u9700\u8981\u5728\u8fb9\u7f18\u505a TLS \u7ec8\u6b62\u6216\u91c7\u7528 TLS \u89e3\u5bc6\u94fe\u8def\uff08\u6ce8\u610f\u5408\u89c4\u548c\u9690\u79c1\uff09\u3002<\/li>\n<li>\u5b9e\u65f6 WAF\u3001\u901f\u7387\u9650\u5236\u548c\u6311\u6218\u54cd\u5e94\uff08\u5982 JS challenge, CAPTCHA\uff09\u662f\u9632\u62a4 L7 \u7684\u5173\u952e\u3002<\/li>\n<\/ul>\n<h3>4. \u81ea\u52a8\u5316\u4e0e\u8bef\u5224\u63a7\u5236<\/h3>\n<ul>\n<li>\u81ea\u52a8\u5316\u7b56\u7565\u80fd\u5728\u653b\u51fb\u79d2\u7ea7\u522b\u4ecb\u5165\uff0c\u4f46\u5fc5\u987b\u6709\u56de\u6eda\u4e0e\u7070\u5ea6\u673a\u5236\u4ee5\u964d\u4f4e\u5bf9\u6b63\u5e38\u7528\u6237\u7684\u8bef\u4f24\u3002<\/li>\n<li>\u65e5\u5fd7\u4e0e\u53ef\u89c6\u5316\u80fd\u529b\u5f71\u54cd\u6392\u67e5\u901f\u5ea6\uff1b\u652f\u6301\u539f\u59cb\u5305\u91c7\u6837\u548c\u5b8c\u6574\u56de\u653e\u7684\u6709\u52a9\u4e8e\u6eaf\u6e90\u3002<\/li>\n<\/ul>\n<h3>5. \u8fb9\u7f18\u8d44\u6e90\u4e0e\u56de\u6e90\u4fdd\u62a4<\/h3>\n<ul>\n<li>\u5373\u4fbf\u8fb9\u7f18\u62e6\u622a\u5927\u91cf\u653b\u51fb\uff0c\u5408\u7406\u7684\u56de\u6e90\u6d41\u63a7\uff08\u5982\u56de\u6e90\u9650\u901f\u3001\u56de\u6e90\u8ba4\u8bc1\uff09\u4ecd\u7136\u5fc5\u987b\uff0c\u907f\u514d\u6e90\u7ad9\u88ab\u6df9\u6ca1\u3002<\/li>\n<li>\u914d\u5408\u90e8\u7f72\u7684\u9999\u6e2f\u670d\u52a1\u5668\u6216\u6d77\u5916\u670d\u52a1\u5668\u5e94\u505a\u597d\u56de\u6e90\u767d\u540d\u5355\u3001\u6e90\u7ad9\u9632\u706b\u5899\u4e0e\u8fde\u63a5\u63e1\u624b\u9650\u5236\u3002<\/li>\n<\/ul>\n<h2>\u9009\u8d2d\u5efa\u8bae\uff1a\u5982\u4f55\u4e3a\u4f60\u7684\u4e1a\u52a1\u9009\u62e9\u5408\u9002\u7684\u6e05\u6d17\u80fd\u529b<\/h2>\n<p>\u4e0d\u540c\u4e1a\u52a1\u5bf9\u6e05\u6d17\u80fd\u529b\u7684\u4fa7\u91cd\u70b9\u4e0d\u540c\uff0c\u4e0b\u9762\u7ed9\u51fa\u5177\u4f53\u5efa\u8bae\uff0c\u4fbf\u4e8e\u5728\u4f7f\u7528\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS \u6216\u5176\u4ed6\u6d77\u5916\u670d\u52a1\u5668\u65f6\u4e0e CDN \u9632\u62a4\u505a\u914d\u5408\uff1a<\/p>\n<h3>1. \u505a\u9759\u6001\u5185\u5bb9\u5206\u53d1\u3001\u5927\u6d41\u91cf\u5a92\u4f53\u7ad9\u70b9\uff08\u89c6\u9891\u3001\u4e0b\u8f7d\uff09<\/h3>\n<ul>\n<li>\u4f18\u5148\u9009\u62e9\u62e5\u6709\u5927\u9aa8\u5e72\u5e26\u5bbd\u4e0e\u591a\u5730\u6e05\u6d17\u80fd\u529b\u7684 CDN\uff0c<strong>Anycast + \u5927\u89c4\u6a21\u6e05\u6d17\u4e2d\u5fc3<\/strong>\u662f\u5173\u952e\u3002<\/li>\n<li>\u540c\u65f6\u786e\u4fdd CDN \u7684\u7f13\u5b58\u7b56\u7565\u4f18\u5316\uff0c\u51cf\u5c11\u56de\u6e90\u8bf7\u6c42\uff0c\u7f13\u89e3\u6e90\u7ad9\u538b\u529b\uff08\u90e8\u7f72\u5728\u65b0\u52a0\u5761\u670d\u52a1\u5668\u6216\u65e5\u672c\u670d\u52a1\u5668\u7684\u7ad9\u70b9\u4ea6\u9002\u7528\uff09\u3002<\/li>\n<\/ul>\n<h3>2. \u9762\u5411\u7528\u6237\u4ea4\u4e92\u7684 Web \u5e94\u7528\u6216 API<\/h3>\n<ul>\n<li>\u6ce8\u91cd L7 \u9632\u62a4\uff1a\u9009\u62e9\u8fb9\u7f18 WAF \u5f3a\u3001\u652f\u6301 TLS \u7ec8\u6b62\u548c\u901f\u7387\u9650\u5236\u7684\u670d\u52a1\u3002<\/li>\n<li>\u4e3a\u4f4e\u5ef6\u8fdf\u4e1a\u52a1\u53ef\u4f18\u5148\u9009\u62e9\u4e0e\u76ee\u6807\u7528\u6237\u8282\u70b9\uff08\u5982\u9999\u6e2f\u3001\u97e9\u56fd\u3001\u7f8e\u56fd\uff09\u7f51\u7edc\u90bb\u8fd1\u7684 CDN \u8282\u70b9\u3002<\/li>\n<\/ul>\n<h3>3. \u7535\u5546\u3001\u91d1\u878d\u7b49\u9ad8\u5b89\u5168\u9700\u6c42\u573a\u666f<\/h3>\n<ul>\n<li>\u9009\u62e9\u5177\u5907 SOC \u652f\u6301\u3001\u6df1\u5ea6\u5305\u68c0\u6d4b\uff08DPI\uff09\u3001\u56de\u6eaf\u4e0e\u53d6\u8bc1\u80fd\u529b\u7684\u7ec4\u5408\u65b9\u6848\u3002<\/li>\n<li>\u8003\u8651\u5c06\u5173\u952e\u5e94\u7528\u548c\u6570\u636e\u5e93\u90e8\u7f72\u4e8e\u53ef\u9760\u7684\u9999\u6e2f\u670d\u52a1\u5668\u6216\u7f8e\u56fd\u670d\u52a1\u5668\uff0c\u914d\u5408\u4e13\u7ebf\u6216 VPN \u56de\u6e90\uff0c\u5f3a\u5316\u7eb5\u6df1\u9632\u62a4\u3002<\/li>\n<\/ul>\n<h3>4. \u6210\u672c\u4e0e\u53ef\u7528\u6027\u6743\u8861<\/h3>\n<ul>\n<li>\u6781\u7aef\u9632\u62a4\uff08\u5168\u5929\u5019 24\/7 \u4eba\u5de5\u4ecb\u5165\u3001\u4e13\u7528\u6e05\u6d17\u94fe\u8def\uff09\u6210\u672c\u9ad8\u3002\u4e2d\u5c0f\u7ad9\u53ef\u4f18\u5148\u9009\u62e9\u81ea\u52a8\u5316\u7a0b\u5ea6\u9ad8\u3001\u96c6\u6210\u5ea6\u597d\u7684\u8fb9\u7f18 CDN\u3002<\/li>\n<li>\u76d1\u63a7\u4e0e SLA\uff1a\u5173\u6ce8\u54cd\u5e94\u65f6\u95f4\u3001\u7f13\u89e3\u65f6\u95f4\u548c\u5e26\u5bbd\u4fdd\u969c\uff0c\u4e86\u89e3\u653b\u51fb\u671f\u95f4\u7684\u8ba1\u8d39\u89c4\u5219\uff0c\u907f\u514d\u7a81\u589e\u8d39\u7528\u3002<\/li>\n<\/ul>\n<h2>\u90e8\u7f72\u5b9e\u8df5\uff1a\u4e0e\u670d\u52a1\u5668\u3001VPS\u3001\u57df\u540d\u7cfb\u7edf\u7684\u534f\u540c<\/h2>\n<p>\u6e05\u6d17\u80fd\u529b\u5e76\u975e\u5b64\u7acb\u5b58\u5728\uff0c\u9700\u8981\u4e0e\u670d\u52a1\u5668\u4e0e DNS \u914d\u5408\uff1a<\/p>\n<ul>\n<li>DNS \u4e0e BGP \u914d\u7f6e\uff1a\u901a\u8fc7 DNS \u6216 BGP \u5c06\u6d41\u91cf\u5f15\u5bfc\u81f3 CDN\uff1b\u5728\u4e25\u91cd\u653b\u51fb\u65f6\u91c7\u7528 DNS \u5feb\u901f\u5207\u6362\u5230 CDN \u5207\u6362\u7b56\u7565\u3002<\/li>\n<li>\u6e90\u7ad9\u786c\u5316\uff1a\u65e0\u8bba\u4f60\u4f7f\u7528\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS \u8fd8\u662f\u5176\u4ed6\u6d77\u5916\u670d\u52a1\u5668\uff0c\u6e90\u7ad9\u5e94\u53ea\u5141\u8bb8\u6765\u81ea CDN \u7684\u56de\u6e90 IP\uff0c\u7981\u6389\u76f4\u63a5\u5230\u6e90\u7ad9\u7684\u6d41\u91cf\u3002<\/li>\n<li>\u57df\u540d\u6ce8\u518c\u4e0e DNSSEC\uff1a\u4f7f\u7528\u53ef\u9760\u7684\u57df\u540d\u6ce8\u518c\u5546\u5e76\u542f\u7528 DNSSEC\/\u53cc DNS\uff0c\u51cf\u5c11 DNS \u6295\u6bd2\u4e0e\u52ab\u6301\u5e26\u6765\u7684\u98ce\u9669\u3002<\/li>\n<li>\u591a\u4e91\u4e0e\u5907\u4efd\u7ad9\u70b9\uff1a\u5bf9\u4e8e\u5173\u952e\u4e1a\u52a1\uff0c\u5efa\u8bae\u51c6\u5907\u4f4d\u4e8e\u4e0d\u540c\u533a\u57df\uff08\u5982\u9999\u6e2f\u670d\u52a1\u5668\u4e0e\u7f8e\u56fd\u670d\u52a1\u5668\uff09\u7684\u5907\u4efd\u7ad9\u70b9\u4ee5\u5b9e\u73b0\u5bb9\u707e\u3002<\/li>\n<\/ul>\n<h2>\u603b\u7ed3\uff1a\u8c01\u80fd\u201c\u9876\u4f4f\u201d\u5927\u6d41\u91cf\u653b\u51fb\uff1f<\/h2>\n<p>\u6ca1\u6709\u4efb\u4f55\u5355\u4e00\u65b9\u6848\u80fd\u591f\u5728\u6240\u6709\u573a\u666f\u4e0b 100% \u4fdd\u8bc1\u4e0d\u88ab\u51fb\u57ae\uff0c\u4f46\u6280\u672f\u4e0a\u53ef\u4ee5\u505a\u5230\u5c3d\u91cf\u63d0\u9ad8\u6297\u538b\u80fd\u529b\u3002\u603b\u4f53\u7ed3\u8bba\uff1a<\/p>\n<ul>\n<li><strong>\u4f53\u91cf\u4e0e\u7f51\u7edc\u4e92\u8054\u51b3\u5b9a\u4e0a\u9650<\/strong>\uff1a\u82e5\u5bf9\u624b\u62e5\u6709\u6781\u5927\u5e26\u5bbd\uff0c\u9009\u62e9\u603b\u9aa8\u5e72\u5e26\u5bbd\u4e0e\u5206\u5e03\u5f0f\u6e05\u6d17\u80fd\u529b\u5f3a\u7684 CDN \u81f3\u5173\u91cd\u8981\u3002<\/li>\n<li><strong>L7 \u667a\u80fd\u68c0\u6d4b\u51b3\u5b9a\u7cbe\u5ea6<\/strong>\uff1a\u9632\u62a4\u590d\u6742\u5e94\u7528\u5c42\u653b\u51fb\u9700\u8981\u5b9e\u65f6 WAF\u3001\u884c\u4e3a\u5206\u6790\u4e0e TLS 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