{"id":209779,"date":"2025-10-23T23:04:04","date_gmt":"2025-10-23T15:04:04","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209779\/"},"modified":"2025-10-23T23:04:05","modified_gmt":"2025-10-23T15:04:05","slug":"cdn-126","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209779\/","title":{"rendered":"CDN \u5b89\u5168\u8bc1\u4e66\u81ea\u52a8\u66f4\u65b0\uff1a\u5b9e\u6218\u90e8\u7f72\u4e0e\u6700\u4f73\u5b9e\u8df5"},"content":{"rendered":"<p>\u5728\u5f53\u4eca\u4e92\u8054\u7f51\u73af\u5883\u4e2d\uff0cTLS\/SSL \u8bc1\u4e66\u5df2\u6210\u4e3a\u4fdd\u969c\u6570\u636e\u4f20\u8f93\u5b89\u5168\u548c\u7528\u6237\u4fe1\u4efb\u7684\u57fa\u7840\u8bbe\u65bd\u3002\u968f\u7740\u7f51\u7ad9\u5185\u5bb9\u5206\u53d1\u5411\u5168\u7403\u5316\u3001\u8fb9\u7f18\u5316\u6f14\u8fdb\uff0cCDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u5728\u63d0\u5347\u6027\u80fd\u548c\u53ef\u7528\u6027\u65b9\u9762\u53d1\u6325\u91cd\u8981\u4f5c\u7528\u3002\u4f46\u4e0e\u6b64\u540c\u65f6\uff0c\u5982\u4f55\u5bf9 CDN \u8fb9\u7f18\u8282\u70b9\u4e0e\u6e90\u7ad9\u4e4b\u95f4\u7684\u8bc1\u4e66\u8fdb\u884c\u81ea\u52a8\u5316\u7ba1\u7406\uff0c\u907f\u514d\u8bc1\u4e66\u8fc7\u671f\u5e26\u6765\u7684\u670d\u52a1\u4e2d\u65ad\u4e0e\u5b89\u5168\u98ce\u9669\uff0c\u6210\u4e3a\u7ad9\u957f\u3001\u4f01\u4e1a\u548c\u5f00\u53d1\u8005\u5fc5\u987b\u89e3\u51b3\u7684\u5b9e\u9645\u95ee\u9898\u3002\u672c\u6587\u5c06\u4ece\u539f\u7406\u3001\u5b9e\u6218\u90e8\u7f72\u3001\u5e94\u7528\u573a\u666f\u3001\u4f18\u52bf\u5bf9\u6bd4\u4e0e\u9009\u8d2d\u5efa\u8bae\u7b49\u5c42\u9762\uff0c\u8be6\u7ec6\u8bb2\u89e3\u201cCDN \u5b89\u5168\u8bc1\u4e66\u81ea\u52a8\u66f4\u65b0\u201d\u7684\u6280\u672f\u7ec6\u8282\u4e0e\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n<h2>\u81ea\u52a8\u66f4\u65b0\u7684\u57fa\u672c\u539f\u7406\u4e0e\u5e38\u89c1\u65b9\u5f0f<\/h2>\n<p>\u8bc1\u4e66\u81ea\u52a8\u66f4\u65b0\u7684\u6838\u5fc3\u5728\u4e8e\u4e0e\u8bc1\u4e66\u9881\u53d1\u673a\u6784\uff08CA\uff09\u8fdb\u884c\u81ea\u52a8\u5316\u534f\u5546\u5e76\u5b8c\u6210\u57df\u540d\u9a8c\u8bc1\uff0c\u4ece\u800c\u83b7\u53d6\u65b0\u8bc1\u4e66\u5e76\u5728\u670d\u52a1\u5668\u6216 CDN \u4e0a\u90e8\u7f72\u3002\u5e38\u89c1\u7684\u5b9e\u73b0\u65b9\u5f0f\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>ACME \u534f\u8bae<\/strong>\uff08Automatic Certificate Management Environment\uff09\uff1a\u76ee\u524d\u6700\u4e3b\u6d41\u7684\u534f\u8bae\uff0cLet&#8217;s Encrypt \u652f\u6301 ACME\uff0c\u53ef\u901a\u8fc7 Certbot\u3001acme.sh\u3001lego\u3001win-acme \u7b49\u5ba2\u6237\u7aef\u5b9e\u73b0\u81ea\u52a8\u5316\u7533\u8bf7\u4e0e\u66f4\u65b0\u3002<\/li>\n<li><strong>CDN \u63d0\u4f9b\u5546 API\/\u6258\u7ba1\u8bc1\u4e66<\/strong>\uff1a\u90e8\u5206 CDN\uff08\u6216\u4e91\u5382\u5546\uff09\u76f4\u63a5\u63d0\u4f9b\u6258\u7ba1\u8bc1\u4e66\u5e76\u8d1f\u8d23\u7eed\u671f\uff0c\u7528\u6237\u53ea\u9700\u5728\u63a7\u5236\u53f0\u542f\u7528\u5373\u53ef\uff0c\u65e0\u9700\u81ea\u884c\u7ba1\u7406\u79c1\u94a5\u3002<\/li>\n<li><strong>\u8bc1\u4e66\u7ba1\u7406\u5e73\u53f0 + \u81ea\u52a8\u90e8\u7f72<\/strong>\uff1a\u901a\u8fc7\u5185\u90e8\u8bc1\u4e66\u7ba1\u7406\u7cfb\u7edf\u7ed3\u5408 CI\/CD\uff08\u5982 Jenkins\u3001GitLab CI\uff09\u3001\u914d\u7f6e\u7ba1\u7406\uff08Ansible\u3001Salt\uff09\u3001\u6216 Kubernetes \u7684 cert-manager \u5b9e\u73b0\u5168\u94fe\u8def\u81ea\u52a8\u5316\u3002<\/li>\n<\/ul>\n<h3>\u57df\u540d\u9a8c\u8bc1\u65b9\u5f0f\u7684\u9009\u62e9<\/h3>\n<ul>\n<li><strong>HTTP-01<\/strong>\uff1a\u901a\u8fc7\u5728\u7f51\u7ad9\u6839\u8def\u5f84\u653e\u7f6e\u7279\u5b9a\u6587\u4ef6\u7528\u4e8e\u9a8c\u8bc1\uff0c\u9002\u5408\u76f4\u63a5\u63a5\u5165\u7684 Web \u670d\u52a1\u5668\uff0c\u4f46\u5bf9 CDN \u8fb9\u7f18\u7f13\u5b58\u548c\u67d0\u4e9b WAF \u6709\u517c\u5bb9\u95ee\u9898\u3002<\/li>\n<li><strong>DNS-01<\/strong>\uff1a\u901a\u8fc7\u5728 DNS \u6dfb\u52a0 TXT \u8bb0\u5f55\u5b8c\u6210\u9a8c\u8bc1\uff0c\u652f\u6301\u901a\u914d\u7b26\u8bc1\u4e66\uff08<em>.example.com\uff09\uff0c\u9002\u5408\u591a\u5b50\u57df\u4e0e CDN \u8fb9\u7f18\u573a\u666f\uff0c\u4f46\u9700\u8981\u5bf9 DNS \u63d0\u4f9b\u5546 API \u7684\u652f\u6301\u3002<\/li>\n<li><strong>TLS-ALPN-01<\/strong>\uff1a\u901a\u8fc7\u5728\u76d1\u542c\u7aef\u53e3 443 \u66b4\u9732\u7279\u5b9a TLS \u8bc1\u4e66\u7247\u6bb5\u7528\u4e8e\u9a8c\u8bc1\uff0c\u9002\u5408\u5bf9\u7f51\u7edc\u76f4\u63a5\u63a7\u5236\u7684\u573a\u666f\uff0c\u4f46\u5b9e\u73b0\u590d\u6742\u5ea6\u8f83\u9ad8\u3002<\/li>\n<\/ul>\n<h2>CDN \u573a\u666f\u4e0b\u7684\u8bc1\u4e66\u81ea\u52a8\u66f4\u65b0\u5b9e\u6218\u8981\u70b9<\/h2>\n<p>\u5728 CDN \u67b6\u6784\u4e2d\uff0c\u5b58\u5728\u4e24\u7c7b\u5173\u952e\u8bc1\u4e66\uff1a<\/p>\n<ul>\n<li><strong>\u8fb9\u7f18\uff08Edge\uff09\u8bc1\u4e66<\/strong>\uff1a\u90e8\u7f72\u5728 CDN \u8282\u70b9\uff0c\u9762\u5411\u7ec8\u7aef\u7528\u6237\uff0c\u51b3\u5b9a\u6d4f\u89c8\u5668\u7aef\u7684 TLS \u8fde\u63a5\u5b89\u5168\u6027\u4e0e\u6027\u80fd\u3002<\/li>\n<li><strong>\u6e90\u7ad9\uff08Origin\uff09\u8bc1\u4e66<\/strong>\uff1a\u90e8\u7f72\u5728\u6e90\u670d\u52a1\u5668\uff08\u4f8b\u5982\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u3001\u6d77\u5916\u670d\u52a1\u5668\u7b49\uff09\uff0c\u7528\u4e8e CDN \u4e0e\u6e90\u7ad9\u4e4b\u95f4\u7684\u5b89\u5168\u901a\u9053\u3002<\/li>\n<\/ul>\n<p>\u5728\u81ea\u52a8\u5316\u90e8\u7f72\u65f6\u9700\u8981\u5206\u522b\u8003\u8651\uff1a<\/p>\n<h3>\u8fb9\u7f18\u8bc1\u4e66\u81ea\u52a8\u66f4\u65b0<\/h3>\n<ul>\n<li>\u4f18\u5148\u4f7f\u7528 CDN \u5382\u5546\u7684\u6258\u7ba1\u8bc1\u4e66\uff0c\u5382\u5546\u8d1f\u8d23\u7eed\u671f\u5e76\u5728\u5168\u7f51\u4e0b\u53d1\u3002\u82e5\u4f7f\u7528\u81ea\u6709\u8bc1\u4e66\uff0c\u9700\u8981\u501f\u52a9 CDN \u7684 API \u4e0a\u4f20\u65b0\u8bc1\u4e66\u5e76\u89e6\u53d1\u56de\u6e90\u6216\u5237\u65b0\u673a\u5236\u3002<\/li>\n<li>\u8fb9\u7f18\u8282\u70b9\u7684\u8bc1\u4e66\u5206\u53d1\u901a\u5e38\u6709\u5ef6\u8fdf\uff0c\u8bc1\u4e66\u66f4\u66ff\u65f6\u5e94\u505a\u597d\u7248\u672c\u7ba1\u7406\u4e0e\u56de\u6eda\u7b56\u7565\uff0c\u4f7f\u7528\u5206\u6279\u66ff\u6362\u51cf\u5c11\u98ce\u9669\u3002<\/li>\n<li>\u5bf9\u517c\u5bb9\u6027\u8981\u6c42\u9ad8\u7684\u7ad9\u70b9\u5efa\u8bae\u542f\u7528 <strong>OCSP stapling<\/strong> \u4e0e <strong>HTTP\/2\/QUIC<\/strong> \u652f\u6301\uff0c\u4ee5\u63d0\u5347\u6027\u80fd\u4e0e\u9a8c\u8bc1\u6548\u7387\u3002<\/li>\n<\/ul>\n<h3>\u6e90\u7ad9\u8bc1\u4e66\u81ea\u52a8\u66f4\u65b0<\/h3>\n<ul>\n<li>\u5bf9\u4e8e\u6e90\u7ad9\uff08\u4f8b\u5982\u90e8\u7f72\u5728\u9999\u6e2fVPS\u3001\u65e5\u672c\u670d\u52a1\u5668\u6216\u65b0\u52a0\u5761\u670d\u52a1\u5668\u7684\u5e94\u7528\uff09\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528 Certbot \u6216 acme.sh \u5728\u670d\u52a1\u5668\u4e0a\u5b8c\u6210\u81ea\u52a8\u5316\u7eed\u671f\uff0c\u5e76\u901a\u8fc7 systemd timer \u6216 cron \u8c03\u5ea6\u7eed\u671f\u811a\u672c\u3002<\/li>\n<li>\u5982\u679c\u6e90\u7ad9\u4f4d\u4e8e\u79c1\u6709\u7f51\u7edc\uff0c\u5efa\u8bae\u4f7f\u7528 DNS-01 \u9a8c\u8bc1\u4e0e\u79c1\u94a5\u7ba1\u7406\u7b56\u7565\uff0c\u786e\u4fdd\u8bc1\u4e66\u5728\u7eed\u671f\u65f6\u65e0\u9700\u66b4\u9732\u6e90\u7ad9\u5bf9\u5916\u670d\u52a1\u3002<\/li>\n<li>\u914d\u7f6e\u81ea\u52a8\u91cd\u8f7d Web \u670d\u52a1\uff08\u5982 Nginx\u3001Apache\uff09\u6216\u53cd\u5411\u4ee3\u7406\uff0c\u4f7f\u65b0\u8bc1\u4e66\u5728\u83b7\u53d6\u540e\u65e0\u4e2d\u65ad\u751f\u6548\u3002<\/li>\n<\/ul>\n<h2>\u81ea\u52a8\u5316\u5b9e\u73b0\u793a\u4f8b\uff08\u811a\u672c\u4e0e\u6d41\u7a0b\uff09<\/h2>\n<p>\u4ee5\u4e0b\u4e3a\u5e38\u89c1\u7684\u81ea\u52a8\u5316\u6d41\u7a0b\u793a\u610f\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528 acme.sh \u4e0e DNS API\uff1a\u9002\u7528\u4e8e\u9700\u8981\u901a\u914d\u7b26\u8bc1\u4e66\u6216\u591a\u5b50\u57df\u573a\u666f\uff08\u4f8b\u5982\u8de8\u9999\u6e2fVPS\u4e0e\u7f8e\u56fdVPS \u90e8\u7f72\uff09\u3002\u6d41\u7a0b\uff1aacme.sh &#8211;issue &#8211;dns dns_provider -d example.com -d <\/em>.example.com -&gt; acme.sh &#8211;install-cert \u66ff\u6362\u8bc1\u4e66 -&gt; \u8c03\u7528 CDN API \u4e0a\u4f20\u8bc1\u4e66 -&gt; \u6e05\u7406\u7f13\u5b58\u5e76\u901a\u77e5\u76d1\u63a7\u3002<\/li>\n<li>Certbot + systemd \u5b9a\u65f6\u5668\uff1a\u9002\u5408\u4f20\u7edf Web \u670d\u52a1\u5668\u3002\u6d41\u7a0b\uff1acertbot renew &#8211;post-hook &#8220;systemctl reload nginx &amp;&amp; curl -X POST https:\/\/cdn.example.com\/api\/upload-cert&#8221;\u3002<\/li>\n<li>Kubernetes + cert-manager\uff1a\u5728\u4e91\u539f\u751f\u73af\u5883\u4e0b\uff0c\u901a\u8fc7 ClusterIssuer \u914d\u5408 DNS-01 \u81ea\u52a8\u9881\u53d1\u4e0e\u81ea\u52a8\u6302\u8f7d\u81f3 Ingress \u6216 Service\uff0c\u652f\u6301\u591a\u96c6\u7fa4\u3001\u591a\u533a\u57df\uff08\u7f8e\u56fd\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\u8282\u70b9\uff09\u7684\u7edf\u4e00\u7ba1\u7406\u3002<\/li>\n<\/ul>\n<h3>\u8f6e\u6362\u5bc6\u94a5\u4e0e\u5bc6\u94a5\u4fdd\u62a4<\/h3>\n<p>\u81ea\u52a8\u66f4\u65b0\u4e0d\u4ec5\u662f\u8bc1\u4e66\u66ff\u6362\uff0c\u8fd8\u5e94\u5305\u542b\u79c1\u94a5\u8f6e\u6362\u7b56\u7565\uff1a\u5b9a\u671f\u66f4\u6362\u79c1\u94a5\u3001\u9650\u5236\u79c1\u94a5\u7684\u53ef\u8bbf\u95ee\u6027\u3001\u4f7f\u7528 HSM \u6216 KMS\uff08\u4f8b\u5982\u4e91 KMS\uff09\u5b58\u50a8\u79c1\u94a5\u3002\u5c24\u5176\u5f53\u6e90\u7ad9\u4e0e CDN \u4f7f\u7528\u76f8\u540c\u8bc1\u4e66\u65f6\uff0c\u8981\u786e\u4fdd\u79c1\u94a5\u5728\u5b89\u5168\u8fb9\u754c\u5185\u4f20\u8f93\u4e0e\u5b58\u50a8\u3002<\/p>\n<h2>\u76d1\u63a7\u3001\u62a5\u8b66\u4e0e\u5e94\u6025\u7b56\u7565<\/h2>\n<ul>\n<li>\u76d1\u63a7\uff1a\u5bf9\u8bc1\u4e66\u5230\u671f\u65f6\u95f4\u8fdb\u884c\u4e3b\u52a8\u76d1\u63a7\uff08Prometheus + Grafana \u5e38\u7528\uff09\uff0c\u5e76\u8bbe\u7f6e\u5230\u671f\u63d0\u524d\u8b66\u544a\uff08\u4f8b\u5982 30 \u5929\u30017 \u5929\u30011 \u5929\uff09\u3002<\/li>\n<li>\u62a5\u8b66\uff1a\u7eed\u671f\u5931\u8d25\u9700\u89e6\u53d1\u591a\u6e20\u9053\u544a\u8b66\uff08\u90ae\u4ef6\u3001Slack\u3001Webhook\uff09\uff0c\u5e76\u8bb0\u5f55\u8be6\u7ec6\u65e5\u5fd7\u4fbf\u4e8e\u6392\u67e5\u3002<\/li>\n<li>\u56de\u6eda\u4e0e\u5907\u7528\uff1a\u4fdd\u7559\u4e0a\u4e00\u7248\u672c\u8bc1\u4e66\u4e0e\u79c1\u94a5\u4f5c\u4e3a\u56de\u6eda\u65b9\u6848\uff1b\u5728\u81ea\u52a8\u4e0a\u4f20\u81f3 CDN \u524d\u5148\u5728\u6d4b\u8bd5\u73af\u5883\u9a8c\u8bc1\u8bc1\u4e66\u94fe\u4e0e\u57df\u540d\u5339\u914d\u3002<\/li>\n<li>\u901f\u7387\u9650\u5236\u9632\u62a4\uff1aACME CA\uff08\u4f8b\u5982 Let&#8217;s Encrypt\uff09\u6709\u8bf7\u6c42\u901f\u7387\u9650\u5236\uff0c\u5e94\u5728\u811a\u672c\u4e2d\u5904\u7406\u91cd\u8bd5\u4e0e\u9000\u907f\u7b56\u7565\uff0c\u907f\u514d\u56e0\u9891\u7e41\u5931\u8d25\u5bfc\u81f4\u88ab\u9650\u5236\u3002<\/li>\n<\/ul>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\uff1a\u81ea\u52a8\u66f4\u65b0 vs \u624b\u52a8\u7ba1\u7406<\/h2>\n<ul>\n<li><strong>\u81ea\u52a8\u66f4\u65b0\u4f18\u52bf<\/strong>\uff1a\u51cf\u5c11\u4eba\u4e3a\u5931\u8bef\u3001\u964d\u4f4e\u8bc1\u4e66\u8fc7\u671f\u5bfc\u81f4\u7684\u5b95\u673a\u98ce\u9669\u3001\u652f\u6301\u5927\u89c4\u6a21\u591a\u57df\u7ba1\u7406\u3001\u4fbf\u4e8e\u5408\u89c4\u5ba1\u8ba1\u4e0e\u5bc6\u94a5\u8f6e\u6362\u3002<\/li>\n<li><strong>\u624b\u52a8\u7ba1\u7406\u573a\u666f<\/strong>\uff1a\u9002\u5408\u6781\u5c11\u91cf\u8bc1\u4e66\u4e14\u5bf9\u5b89\u5168\u63a7\u5236\u8981\u6c42\u6781\u9ad8\u7684\u573a\u666f\uff08\u4f8b\u5982\u4f7f\u7528\u786c\u4ef6 HSM 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