{"id":209723,"date":"2025-10-23T21:17:09","date_gmt":"2025-10-23T13:17:09","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209723\/"},"modified":"2025-10-23T21:17:10","modified_gmt":"2025-10-23T13:17:10","slug":"cdn-105","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209723\/","title":{"rendered":"\u7528CDN\u9632\u6b62\u4e2d\u95f4\u4eba\u653b\u51fb\uff1a\u8fb9\u7f18\u52a0\u5bc6\u4e0e\u53ef\u4fe1\u4f20\u8f93\u5b88\u62a4\u6570\u636e\u5b89\u5168"},"content":{"rendered":"<p>\u5728\u4e92\u8054\u7f51\u65e5\u76ca\u590d\u6742\u7684\u5a01\u80c1\u73af\u5883\u4e0b\uff0c<strong>\u4e2d\u95f4\u4eba\u653b\u51fb\uff08MITM\uff09<\/strong>\u5bf9\u7ad9\u70b9\u548c\u5e94\u7528\u7684\u6570\u636e\u4fdd\u5bc6\u6027\u4e0e\u5b8c\u6574\u6027\u6784\u6210\u4e25\u91cd\u5a01\u80c1\u3002\u4f20\u7edf\u7684\u6e90\u7ad9 TLS 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DNS \u6295\u6bd2\u53ef\u5bfc\u81f4\u6d41\u91cf\u88ab\u4e2d\u95f4\u8282\u70b9\u622a\u83b7\u3002<\/li>\n<li>\u4f7f\u7528\u5171\u4eab\u57fa\u7840\u8bbe\u65bd\uff08\u5982\u7b2c\u4e09\u65b9 CDN\u3001\u4ee3\u7406\uff09\u65f6\uff0c\u82e5\u542f\u7528\u4e86\u4e0d\u5b89\u5168\u7684\u201c\u7ec8\u7aef\u89e3\u5bc6\u518d\u91cd\u5efa\u201d\u7b56\u7565\uff0c\u4f1a\u653e\u5927\u4e2d\u95f4\u4eba\u98ce\u9669\u3002<\/li>\n<\/ul>\n<h2>CDN \u5982\u4f55\u5728\u8fb9\u7f18\u5c42\u963b\u65ad\u4e2d\u95f4\u4eba\u653b\u51fb\u7684\u94fe\u8def\uff1f<\/h2>\n<p>\u73b0\u4ee3 CDN \u63d0\u4f9b\u591a\u79cd\u673a\u5236\u6765\u786e\u4fdd\u8fb9\u7f18\u5230\u5ba2\u6237\u7aef\u3001\u8fb9\u7f18\u5230\u6e90\u7ad9\u7684\u53cc\u5411\u53ef\u4fe1\u4f20\u8f93\uff1a<\/p>\n<h3>1. \u8fb9\u7f18\u5230\u5ba2\u6237\u7aef\uff1aTLS 1.3 \u4e0e\u5b8c\u7f8e\u524d\u5411\u4fdd\u5bc6<\/h3>\n<p>\u5728\u8fb9\u7f18\u8282\u70b9\u542f\u7528 <strong>TLS 1.3<\/strong> \u548c <strong>ECDHE<\/strong> 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TLS\uff09<\/strong>\uff1a\u8981\u6c42\u8fb9\u7f18\u8282\u70b9\u4e0e\u6e90\u7ad9\u4e92\u76f8\u9a8c\u8bc1\u8bc1\u4e66\uff0c\u9632\u6b62\u5047\u5192\u8fb9\u7f18\u6216\u4f2a\u9020\u6e90\u7ad9\u3002<\/li>\n<li>\u4f7f\u7528\u4e13\u7528\u7684 VPN \u6216\u79c1\u6709\u94fe\u8def\uff08\u4f8b\u5982 VLAN\u3001MPLS\uff09\u8fde\u63a5\u91cd\u8981\u6e90\u7ad9\uff0c\u907f\u514d\u516c\u5171\u7f51\u7edc\u66b4\u9732\u3002<\/li>\n<li>Origin Pull \u7b56\u7565\u7ed3\u5408 IP \u767d\u540d\u5355\u6216\u57fa\u4e8e\u8bc1\u4e66\u7684\u8ba4\u8bc1\uff0c\u53ef\u786e\u4fdd\u53ea\u6709\u88ab\u6388\u6743\u7684 CDN \u8282\u70b9\u80fd\u8bbf\u95ee\u6e90\u7ad9\u5185\u5bb9\u3002<\/li>\n<\/ul>\n<h3>3. \u8fb9\u7f18\u52a0\u5bc6\u4e0e Keyless SSL\uff08\u5bc6\u94a5\u4e0d\u51fa\u6e90\u7ad9\uff09<\/h3>\n<p>\u90e8\u5206 CDN \u652f\u6301 <strong>Keyless SSL<\/strong> \u6216\u5bc6\u94a5\u6258\u7ba1\u65b9\u6848\uff0c\u5bc6\u94a5\u4fdd\u7559\u5728\u5ba2\u6237\u53ef\u63a7\u7684 HSM\uff08\u786c\u4ef6\u5b89\u5168\u6a21\u5757\uff09\u6216\u79c1\u6709\u670d\u52a1\u5668\u4e0a\uff0c\u800c\u8fb9\u7f18\u8282\u70b9\u5728\u63e1\u624b\u65f6\u901a\u8fc7\u52a0\u5bc6\u901a\u9053\u5411\u5bc6\u94a5\u670d\u52a1\u5668\u8bf7\u6c42\u52a0\u5bc6\u64cd\u4f5c\uff0c\u907f\u514d\u5c06\u79c1\u94a5\u66b4\u9732\u7ed9 CDN \u4f9b\u5e94\u5546\u3002\u8fd9\u6837\u65e2\u80fd\u5229\u7528 CDN \u7684\u5168\u7403\u52a0\u901f\uff0c\u53c8\u80fd\u5b9e\u73b0\u79c1\u94a5\u7684\u672c\u5730\u5316\u5b89\u5168\u7ba1\u7406\u3002<\/p>\n<h3>4. DNS \u4e0e BGP \u5c42\u9632\u62a4\uff1aDNSSEC\u3001DoH\/DoT \u4e0e RPKI<\/h3>\n<p>\u4e2d\u95f4\u4eba\u653b\u51fb\u5e38\u5e38\u4ece DNS \u6216\u8def\u7531\u5c42\u4ecb\u5165\u3002\u63a8\u8350\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n<ul>\n<li>\u4e3a\u57df\u540d\u542f\u7528 <strong>DNSSEC<\/strong>\uff0c\u9632\u6b62 DNS \u6295\u6bd2\u4e0e\u54cd\u5e94\u7be1\u6539\u3002<\/li>\n<li>\u4f7f\u7528 <strong>DoH\/DoT\uff08DNS over HTTPS \/ TLS\uff09<\/strong> \u51cf\u5c11 DNS \u67e5\u8be2\u88ab\u4e2d\u95f4\u4eba\u7a83\u542c\u6216\u7be1\u6539\u7684\u53ef\u80fd\u3002<\/li>\n<li>\u91c7\u7528 <strong>RPKI<\/strong> \u4e0e BGP \u9a8c\u8bc1\u51cf\u5c11\u8def\u7531\u52ab\u6301\u98ce\u9669\uff0c\u7279\u522b\u662f\u5728\u8de8\u5883\u94fe\u8def\uff08\u5982\u9999\u6e2f\u5230\u7f8e\u56fd\u6216\u65e5\u672c\uff09\u4e2d\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u573a\u666f\u4e0e\u6280\u672f\u5b9e\u73b0\u7ec6\u8282<\/h2>\n<h3>\u7ad9\u7fa4\u4e0e\u591a\u5730\u57df\u90e8\u7f72\uff08\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u7b49\uff09<\/h3>\n<p>\u5927\u578b\u7ad9\u7fa4\u901a\u5e38\u5728\u9999\u6e2f\u3001\u7f8e\u56fd\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\u7b49\u5730\u90e8\u7f72\u670d\u52a1\u5668\u4ee5\u964d\u4f4e\u5ef6\u8fdf\u5e76\u6ee1\u8db3\u5408\u89c4\u8981\u6c42\u3002\u6b64\u7c7b\u67b6\u6784\u4e0b\uff0cCDN \u53ef\u4ee5\u5728\u6bcf\u4e2a PoP\uff08Point of Presence\uff09\u4e0a\u505a TLS \u7ec8\u7aef\uff0c\u7ed3\u5408\u4ee5\u4e0b\u505a\u6cd5\uff1a<\/p>\n<ul>\n<li>\u7edf\u4e00\u8bc1\u4e66\u7ba1\u7406\uff1a\u4f7f\u7528 ACME \u81ea\u52a8\u5316\u7b7e\u53d1\uff0c\u5e76\u901a\u8fc7\u96c6\u4e2d\u5f0f CA \u7ba1\u7406\u8bc1\u4e66\u8f6e\u6362\uff0c\u51cf\u5c11\u5931\u6548\u7a97\u53e3\u3002<\/li>\n<li>\u8fb9\u7f18\u7f13\u5b58\u4e0e\u9759\u6001\u5185\u5bb9\u79bb\u7ebf\u7b7e\u540d\uff1a\u5bf9\u9759\u6001\u6587\u4ef6\u5728\u6e90\u7ad9\u8fdb\u884c\u7b7e\u540d\uff0c\u8fb9\u7f18\u5728\u7f13\u5b58\u524d\u9a8c\u8bc1\u7b7e\u540d\u5b8c\u6574\u6027\uff0c\u4ece\u800c\u9632\u6b62\u7f13\u5b58\u88ab\u7be1\u6539\u3002<\/li>\n<li>\u6e90\u7ad9\u95f4\u540c\u6b65\u91c7\u7528 mTLS + rsync\/HTTPS\uff0c\u786e\u4fdd\u6570\u636e\u5728\u9999\u6e2f V S\u670d\u52a1\u5668\u4e0e\u7f8e\u56fd V S\u670d\u52a1\u5668\u4e4b\u95f4\u4f20\u8f93\u540c\u6837\u53d7\u4fdd\u62a4\u3002<\/li>\n<\/ul>\n<h3>API \u4e0e\u5fae\u670d\u52a1\u901a\u4fe1<\/h3>\n<p>API \u6d41\u91cf\u5e38\u5e38\u627f\u8f7d\u654f\u611f\u6570\u636e\uff0c\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>\u5bf9 API \u63a5\u53e3\u5f00\u542f mTLS \u4e0e JWT 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WireGuard\uff09\u5728\u9ad8\u98ce\u9669\u73af\u5883\u4e0b\u4f20\u8f93\u654f\u611f\u6570\u636e\u3002<\/li>\n<\/ul>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\uff1a\u8fb9\u7f18\u52a0\u5bc6 vs \u4f20\u7edf\u6e90\u7ad9 TLS<\/h2>\n<p>\u4e0b\u9762\u6bd4\u8f83\u4e24\u8005\u5728\u5b89\u5168\u6027\u3001\u6027\u80fd\u4e0e\u8fd0\u7ef4\u590d\u6742\u5ea6\u65b9\u9762\u7684\u5f02\u540c\uff1a<\/p>\n<ul>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\u8fb9\u7f18\u52a0\u5bc6\u53ef\u7f29\u77ed\u660e\u6587\u66b4\u9732\u8def\u5f84\u3001\u62b5\u5fa1\u94fe\u8def\u4e2d\u95f4\u653b\u51fb\uff1b\u4f46\u82e5\u8fb9\u7f18\u79c1\u94a5\u7ba1\u7406\u4e0d\u5f53\u5219\u6709\u88ab\u6ee5\u7528\u7684\u98ce\u9669\u3002Keyless SSL \u5219\u5728\u5b89\u5168\u4e0e\u6027\u80fd\u95f4\u53d6\u5f97\u5e73\u8861\u3002<\/li>\n<li><strong>\u6027\u80fd\uff1a<\/strong>\u8fb9\u7f18\u7ec8\u7aef\u5316 TLS 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