{"id":209703,"date":"2025-10-23T21:00:30","date_gmt":"2025-10-23T13:00:30","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209703\/"},"modified":"2025-10-23T21:00:31","modified_gmt":"2025-10-23T13:00:31","slug":"cdn-https-2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209703\/","title":{"rendered":"CDN HTTPS\u52a0\u5bc6\u5b89\u5168\u7b56\u7565\uff1a\u8bc1\u4e66\u3001\u5bc6\u94a5\u4e0e\u6027\u80fd\u7684\u5b9e\u6218\u6307\u5357"},"content":{"rendered":"<p>\u5728\u5168\u7403\u5316\u7684\u4e92\u8054\u7f51\u73af\u5883\u4e2d\uff0cCDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u5df2\u7ecf\u6210\u4e3a\u63d0\u5347\u7f51\u7ad9\u53ef\u7528\u6027\u4e0e\u54cd\u5e94\u901f\u5ea6\u7684\u6807\u914d\u3002\u968f\u7740\u9690\u79c1\u4e0e\u5408\u89c4\u8981\u6c42\u7684\u63d0\u9ad8\uff0cHTTPS \u5df2\u4ece\u53ef\u9009\u9879\u53d8\u4e3a\u5fc5\u9700\uff1b\u4f46\u5728 CDN \u573a\u666f\u4e0b\u90e8\u7f72 HTTPS \u6d89\u53ca\u8bc1\u4e66\u7ba1\u7406\u3001\u79c1\u94a5\u4fdd\u62a4\u4e0e\u6027\u80fd\u4f18\u5316\u7b49\u591a\u65b9\u9762\u6743\u8861\u3002\u672c\u6587\u9762\u5411\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\uff0c\u6df1\u5165\u8bb2\u89e3 CDN HTTPS \u52a0\u5bc6\u7684\u539f\u7406\u3001\u5b9e\u6218\u8981\u70b9\u4e0e\u9009\u8d2d\u5efa\u8bae\uff0c\u7ed3\u5408\u5178\u578b\u5e94\u7528\u573a\u666f\u4e0e\u6027\u80fd\u8c03\u4f18\u7b56\u7565\uff0c\u5e2e\u52a9\u4f60\u5728\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u6d77\u5916\u670d\u52a1\u5668\u4e0a\u5b9e\u73b0\u65e2\u5b89\u5168\u53c8\u9ad8\u6548\u7684 HTTPS \u52a0\u901f\u3002<\/p>\n<h2>HTTPS \u5728 CDN \u573a\u666f\u4e0b\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>\u5728\u4f20\u7edf\u76f4\u8fde\u6a21\u5f0f\u4e2d\uff0c\u6d4f\u89c8\u5668\u4e0e\u6e90\u7ad9\u4e4b\u95f4\u5efa\u7acb TLS \u8fde\u63a5\uff1b\u800c\u5728\u542f\u7528 CDN \u7684\u67b6\u6784\u91cc\uff0c\u7528\u6237\u4e0e\u6700\u8fd1\u7684\u8fb9\u7f18\u8282\u70b9\uff08edge\uff09\u5efa\u7acb TLS \u8fde\u63a5\uff0c\u8fb9\u7f18\u8282\u70b9\u518d\u4e0e\u6e90\u7ad9\u5efa\u7acb\u53e6\u4e00\u6761 TLS \u6216 HTTP \u8fde\u63a5\u3002\u8fd9\u79cd\u201c\u5206\u6bb5\u201d\u8fde\u63a5\u5e26\u6765\u4e24\u7c7b\u5173\u952e\u8981\u70b9\uff1a<\/p>\n<ul>\n<li>\u8bc1\u4e66\u4e0e\u79c1\u94a5\uff1a\u8fb9\u7f18\u8282\u70b9\u9700\u8981\u8bc1\u660e\u5176\u57df\u540d\u6240\u6709\u6743\uff0c\u901a\u5e38\u901a\u8fc7\u90e8\u7f72\u8bc1\u4e66\u6216\u4f7f\u7528 CDN \u63d0\u4f9b\u7684\u901a\u914d\/\u8fb9\u7f18\u8bc1\u4e66\u6765\u5b8c\u6210\u3002<\/li>\n<li>\u94fe\u8def\u5b89\u5168\uff1a\u8fb9\u7f18\u5230\u6e90\u7ad9\u7684\u94fe\u8def\uff08origin connection\uff09\u4e5f\u5e94\u5f53\u52a0\u5bc6\uff0c\u907f\u514d\u4e2d\u95f4\u4eba\u6216\u5185\u90e8\u7f51\u7edc\u6cc4\u9732\u654f\u611f\u5185\u5bb9\u3002<\/li>\n<\/ul>\n<p>\u5b9e\u73b0\u65b9\u5f0f\u4e0a\u6709\u4e09\u79cd\u5e38\u89c1\u6a21\u5f0f\uff1a<\/p>\n<ul>\n<li>\u8fb9\u7f18\u7ec8\u6b62\uff08Edge Termination\uff09\uff1aTLS \u5728 CDN \u8fb9\u7f18\u7ec8\u6b62\uff0c\u8fb9\u7f18\u4e0e\u6e90\u7ad9\u4e4b\u95f4\u53ef\u4e3a HTTP \u6216 TLS\u3002<\/li>\n<li>\u7aef\u5230\u7aef\u52a0\u5bc6\uff08End-to-End\uff09\uff1a\u8fb9\u7f18\u4e0e\u6e90\u7ad9\u4e5f\u4fdd\u6301 TLS\uff0c\u5e38\u89c1\u4e8e\u5bf9\u673a\u5bc6\u6027\u6709\u9ad8\u8981\u6c42\u7684\u573a\u666f\u3002<\/li>\n<li>Keyless SSL\/\u6258\u7ba1\u5bc6\u94a5\uff1a\u79c1\u94a5\u4e0d\u5b58\u653e\u5728 CDN\uff0c\u4f7f\u7528\u8fdc\u7aef\u7b7e\u540d\u6216 HSM \u670d\u52a1\u5b8c\u6210\u63e1\u624b\u3002<\/li>\n<\/ul>\n<h3>\u8bc1\u4e66\u7c7b\u578b\u4e0e\u94fe\u8def\u6784\u6210<\/h3>\n<p>\u8bc1\u4e66\u9009\u62e9\u5f71\u54cd\u4fe1\u4efb\u3001\u81ea\u52a8\u5316\u4e0e\u6210\u672c\u3002\u5e38\u89c1\u8bc1\u4e66\u7c7b\u578b\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>DV\uff08\u57df\u540d\u9a8c\u8bc1\uff09\u8bc1\u4e66\uff1a\u81ea\u52a8\u5316\u7a0b\u5ea6\u9ad8\uff0c\u5e38\u7528\u4e8e\u516c\u5171\u7f51\u7ad9\u4e0e CDN \u8fb9\u7f18\u8bc1\u4e66\uff08\u4f8b\u5982 Let&#8217;s Encrypt\uff09\u3002<\/li>\n<li>OV\/EV\uff08\u7ec4\u7ec7\/\u6269\u5c55\u9a8c\u8bc1\uff09\u8bc1\u4e66\uff1a\u9002\u5408\u5bf9\u8eab\u4efd\u5c55\u793a\u6709\u8981\u6c42\u7684\u4f01\u4e1a\u7ad9\u70b9\u3002<\/li>\n<li>\u901a\u914d\u7b26\u4e0e SAN \u8bc1\u4e66\uff1a\u652f\u6301\u591a\u4e2a\u5b50\u57df\uff0c\u65b9\u4fbf CDN \u4e0a\u7684\u591a\u4e2a\u57df\u540d\u7ba1\u7406\u3002<\/li>\n<\/ul>\n<p>\u8bc1\u4e66\u94fe\uff08leaf \u2192 intermediate \u2192 root\uff09\u7684\u5b8c\u6574\u6027\u4e0e\u6709\u6548\u671f\u7ba1\u7406\u975e\u5e38\u91cd\u8981\uff0c\u7f3a\u5931 intermediate \u4f1a\u5bfc\u81f4\u67d0\u4e9b\u5ba2\u6237\u7aef\u9a8c\u8bc1\u5931\u8d25\uff0c\u5f71\u54cd\u8de8\u5730\u57df\u8bbf\u95ee\uff0c\u4f8b\u5982\u9999\u6e2fVPS\u6216\u65e5\u672c\u670d\u52a1\u5668\u4e0a\u7684\u7528\u6237\u3002<\/p>\n<h2>\u5b89\u5168\u5b9e\u8df5\uff1a\u8bc1\u4e66\u3001\u5bc6\u94a5\u4e0e\u914d\u7f6e\u7ec6\u8282<\/h2>\n<p>\u4e0b\u9762\u5217\u51fa\u5728 CDN \u573a\u666f\u4e2d\u5e94\u5f53\u9075\u5faa\u7684<strong>\u5173\u952e\u5b89\u5168\u63aa\u65bd<\/strong>\uff1a<\/p>\n<ul>\n<li><strong>\u79c1\u94a5\u4fdd\u62a4<\/strong>\uff1a\u82e5\u79c1\u94a5\u90e8\u7f72\u5728 CDN \u8fb9\u7f18\u8282\u70b9\uff0c\u4f18\u5148\u9009\u62e9\u652f\u6301 HSM \u7684 CDN \u6216 Keyless SSL\u3002\u5bf9\u81ea\u6258\u7ba1\u79c1\u94a5\uff0c\u4f7f\u7528\u786c\u4ef6\u5b89\u5168\u6a21\u5757\uff08HSM\uff09\u6216\u4e91 KMS\u3002<\/li>\n<li><strong>\u4f7f\u7528\u73b0\u4ee3\u5bc6\u94a5\u7b97\u6cd5<\/strong>\uff1a\u4f18\u5148 ECC\uff08\u5982 P-256\uff09\u548c TLS 1.3\uff1bRSA 2048 \u662f\u6700\u4f4e\u8981\u6c42\uff0c\u63a8\u8350 RSA 3072 \u4ee5\u4e0a\u6216 ECC \u4ee5\u964d\u4f4e CPU \u5f00\u9500\u3002<\/li>\n<li><strong>\u542f\u7528 TLS 1.3 \u4e0e ALPN<\/strong>\uff1aTLS 1.3 \u51cf\u5c11\u63e1\u624b RTT\uff0c\u7ed3\u5408 ALPN \u53ef\u534f\u5546 HTTP\/2 \u6216 HTTP\/3\uff08QUIC\uff09\uff0c\u663e\u8457\u63d0\u5347\u9875\u9762\u52a0\u8f7d\u6027\u80fd\uff0c\u5c24\u5176\u5bf9\u8de8\u6d0b\u8bbf\u95ee\uff08\u5982\u7f8e\u56fd\u670d\u52a1\u5668\u8bbf\u95ee\u4e9a\u6d32\u7528\u6237\uff09\u6548\u679c\u660e\u663e\u3002<\/li>\n<li><strong>OCSP Stapling \u4e0e Must-Staple<\/strong>\uff1a\u8fb9\u7f18\u8282\u70b9\u5e94\u5f53\u5f00\u542f OCSP stapling\uff0c\u51cf\u5c11\u5ba2\u6237\u7aef\u5bf9\u8bc1\u4e66\u72b6\u6001\u67e5\u8be2\u5ef6\u8fdf\u4e0e\u9690\u79c1\u6cc4\u9732\u3002<\/li>\n<li><strong>HSTS \u4e0e\u5b89\u5168\u5934<\/strong>\uff1a\u5728\u5b8c\u6210\u5145\u5206\u6d4b\u8bd5\u540e\u542f\u7528 HSTS\uff08\u542b preload\uff09\uff0c\u5e76\u4f7f\u7528 CSP\u3001X-Frame-Options \u7b49\u5934\u90e8\u5f3a\u5316\u5b89\u5168\u3002<\/li>\n<li><strong>\u8bc1\u4e66\u81ea\u52a8\u5316<\/strong>\uff1a\u91c7\u7528 ACME \u534f\u8bae\u81ea\u52a8\u7eed\u671f\uff08Let\u2019s Encrypt \u6216\u5546\u4e1a CA \u7684\u81ea\u52a8\u5316\u65b9\u6848\uff09\uff0c\u907f\u514d\u8bc1\u4e66\u8fc7\u671f\u5bfc\u81f4\u5927\u9762\u79ef\u4e0d\u53ef\u7528\u3002<\/li>\n<\/ul>\n<h3>\u8fb9\u7f18\u8bc1\u4e66\u4e0e\u6e90\u7ad9\u8bc1\u4e66\u7684\u534f\u8c03<\/h3>\n<p>\u5728\u90e8\u7f72\u65f6\u901a\u5e38\u5b58\u5728\u4e24\u628a\u8bc1\u4e66\uff1a\u4e00\u628a\u7528\u4e8e\u8fb9\u7f18\u5bf9\u5916\uff08edge certificate\uff09\uff0c\u4e00\u628a\u7528\u4e8e\u8fb9\u7f18\u5230\u6e90\u7ad9\uff08origin certificate\uff09\u3002\u63a8\u8350\u505a\u6cd5\uff1a<\/p>\n<ul>\n<li>\u8fb9\u7f18\u5bf9\u5916\u4f7f\u7528\u53d7\u4fe1\u4efb\u7684\u516c\u94fe\u8bc1\u4e66\uff08\u53ef\u7531 CDN \u7ba1\u7406\u5e76\u81ea\u52a8\u7eed\u671f\uff09\u3002<\/li>\n<li>\u8fb9\u7f18\u5230\u6e90\u7ad9\u53ef\u4ee5\u4f7f\u7528\u81ea\u7b7e\u540d\u6216 CA \u7b7e\u53d1\u7684\u77ed\u671f origin \u8bc1\u4e66\uff0c\u5e76\u9650\u5236\u53ea\u63a5\u53d7\u6765\u81ea CDN \u7684\u8bf7\u6c42\uff08\u901a\u8fc7 IP \u767d\u540d\u5355\u6216 mTLS\uff09\u3002<\/li>\n<li>\u5982\u679c\u91c7\u7528 Keyless SSL\uff0c\u4fdd\u8bc1\u7b7e\u540d\u670d\u52a1\u7684\u9ad8\u53ef\u7528\u6027\u4e0e\u4f4e\u5ef6\u8fdf\uff0c\u4ee5\u514d\u5f71\u54cd\u63e1\u624b\u65f6\u95f4\u3002<\/li>\n<\/ul>\n<h2>\u6027\u80fd\u4f18\u5316\uff1a\u51cf\u5c11 TLS \u5e26\u6765\u7684\u5ef6\u8fdf\u4e0e CPU \u5f00\u9500<\/h2>\n<p>TLS \u672c\u8d28\u4e0a\u662f\u589e\u52a0\u4e86\u63e1\u624b\u4e0e\u52a0\u5bc6\u6210\u672c\uff0c\u4f46\u901a\u8fc7\u4e00\u7cfb\u5217\u914d\u7f6e\u53ef\u4ee5\u628a\u6027\u80fd\u5f71\u54cd\u964d\u5230\u6700\u4f4e\uff1a<\/p>\n<ul>\n<li><strong>\u542f\u7528 TLS 1.3\uff1a<\/strong>\u53ef\u628a\u63e1\u624b\u4ece 2 RTT \u964d\u5230 1 RTT\uff08\u6216 0-RTT \u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\uff09\uff0c\u663e\u8457\u51cf\u5c11\u9996\u6b21\u8fde\u63a5\u5ef6\u8fdf\uff0c\u5c24\u5176\u5229\u4e8e\u5206\u5e03\u5728\u9999\u6e2f\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u7f8e\u56fd\u7b49\u591a\u8282\u70b9\u7684\u7528\u6237\u3002<\/li>\n<li><strong>\u4f1a\u8bdd\u590d\u7528\uff08Session Resumption\uff09\u4e0e Tickets\uff1a<\/strong>\u4f7f\u7528 session tickets \u6216 session IDs\uff0c\u51cf\u5c11\u91cd\u590d\u63e1\u624b\u7684\u8ba1\u7b97\uff0c\u9002\u5408\u957f\u8fde\u63a5\u6216\u9891\u7e41\u8bbf\u95ee\u7684\u573a\u666f\u3002<\/li>\n<li><strong>\u9009\u62e9\u9ad8\u6548\u5bc6\u7801\u5957\u4ef6\uff1a<\/strong>AES-GCM \u548c CHACHA20-POLY1305 \u662f\u5e38\u7528\u9009\u62e9\u3002\u5bf9\u79fb\u52a8\u6216\u4f4e\u7aef CPU\uff0cCHACHA20 \u5728\u6ca1\u6709\u786c\u4ef6 AES \u52a0\u901f\u65f6\u66f4\u5feb\u3002<\/li>\n<li><strong>\u542f\u7528 HTTP\/2 \u6216 HTTP\/3\uff1a<\/strong>\u591a\u8def\u590d\u7528\u51cf\u5c11 TCP \u8fde\u63a5\u6570\uff0c\u914d\u5408 TLS \u53ef\u964d\u4f4e\u603b\u4f53\u5ef6\u8fdf\u4e0e\u5305\u5f00\u9500\u3002<\/li>\n<li><strong>\u786c\u4ef6\/\u8f6f\u4ef6\u5378\u8f7d\uff1a<\/strong>\u5728\u81ea\u5efa CDN \u6216\u8fb9\u7f18\u670d\u52a1\u5668\uff08\u4f8b\u5982\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS\uff09\u4e0a\uff0c\u4f7f\u7528 NIC\/CPU \u7684\u52a0\u901f\u7279\u6027\uff08AES-NI\uff09\u6216\u4e13\u7528 SSL \u7ec8\u7aef\u53ef\u51cf\u8f7b\u4e3b\u5e94\u7528\u8d1f\u8f7d\u3002<\/li>\n<\/ul>\n<h3>\u6d4b\u91cf\u4e0e\u8c03\u4f18\u5efa\u8bae<\/h3>\n<p>\u8981\u505a\u5230\u65e2\u5b89\u5168\u53c8\u9ad8\u6548\uff0c\u5fc5\u987b\u8861\u91cf\u5e76\u6301\u7eed\u4f18\u5316\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528 RUM\uff08Real User Monitoring\uff09\u67e5\u770b\u771f\u5b9e\u7528\u6237\u7684 TLS \u63e1\u624b\u65f6\u95f4\u5206\u5e03\uff0c\u6309\u5730\u57df\uff08\u9999\u6e2f\u3001\u7f8e\u56fd\u3001\u65e5\u672c\u7b49\uff09\u7ec6\u5206\u3002<\/li>\n<li>\u7ed3\u5408 Synthetic \u6d4b\u8bd5\uff08Ping\u3001curl -v\u3001openssl s_client\uff09\u68c0\u67e5\u8bc1\u4e66\u94fe\u3001OCSP \u72b6\u6001\u3001ALPN \u652f\u6301\u60c5\u51b5\u3002<\/li>\n<li>\u5bf9\u6bd4\u4e0d\u540c\u5bc6\u7801\u5957\u4ef6\u4e0e TLS \u7248\u672c\u4e0b\u7684 CPU \u4f7f\u7528\u4e0e\u54cd\u5e94\u65f6\u95f4\uff0c\u9009\u62e9\u5728\u76ee\u6807\u5ba2\u6237\u673a\u7fa4\u4f53\uff08\u79fb\u52a8\u4f18\u5148\u6216\u684c\u9762\u4f18\u5148\uff09\u4e0a\u7684\u6700\u4f73\u7ec4\u5408\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u573a\u666f\u4e0e\u4f18\u52bf\u5bf9\u6bd4<\/h2>\n<p>\u4e0b\u9762\u6839\u636e\u5178\u578b\u573a\u666f\u7ed9\u51fa\u5b9e\u6218\u5efa\u8bae\uff1a<\/p>\n<h3>\u9759\u6001\u5185\u5bb9\u5927\u6d41\u91cf\u5206\u53d1\uff08\u56fe\u7247\u3001JS\u3001CSS\uff09<\/h3>\n<ul>\n<li>\u4f18\u5148\u5728\u8fb9\u7f18\u7ec8\u6b62 TLS \u5e76\u542f\u7528 HTTP\/2 \u6216 HTTP\/3\uff0c\u51cf\u5c11\u5ef6\u8fdf\u3002<\/li>\n<li>\u4f7f\u7528\u957f\u7f13\u5b58\u4e0e\u7f13\u5b58\u952e\u7b56\u7565\uff0c\u7ed3\u5408 CDN \u7684\u6821\u9a8c\uff08If-Modified-Since \/ ETag\uff09\u3002<\/li>\n<\/ul>\n<h3>\u52a8\u6001 API \u4e0e\u654f\u611f\u6570\u636e\u4ea4\u4e92<\/h3>\n<ul>\n<li>\u63a8\u8350\u7aef\u5230\u7aef\u52a0\u5bc6\u6216 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