{"id":209921,"date":"2025-10-24T01:16:42","date_gmt":"2025-10-23T17:16:42","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209921\/"},"modified":"2025-10-24T01:16:43","modified_gmt":"2025-10-23T17:16:43","slug":"cdn-194","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209921\/","title":{"rendered":"CDN\u8bbf\u95ee\u5f02\u5e38\u5904\u7406\u5b9e\u6218\uff1a\u4ece\u5feb\u901f\u5b9a\u4f4d\u5230\u53ef\u9760\u6062\u590d\u7684\u5168\u6d41\u7a0b\u6307\u5357"},"content":{"rendered":"<p>\u5728CDN\u52a0\u901f\u7684\u67b6\u6784\u4e2d\uff0c\u8bbf\u95ee\u5f02\u5e38\u662f\u5f71\u54cd\u7528\u6237\u4f53\u9a8c\u548c\u4e1a\u52a1\u53ef\u7528\u6027\u7684\u5e38\u89c1\u98ce\u9669\u3002\u4f5c\u4e3a\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u6216\u5f00\u53d1\u8005\uff0c\u638c\u63e1\u4ece\u5feb\u901f\u5b9a\u4f4d\u95ee\u9898\u5230\u53ef\u9760\u6062\u590d\u7684\u5168\u6d41\u7a0b\u65b9\u6cd5\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u7ed3\u5408\u771f\u5b9e\u8fd0\u7ef4\u573a\u666f\u4e0e\u5de5\u5177\u4f7f\u7528\uff0c\u8be6\u7ec6\u8bb2\u89e3\u5982\u4f55\u8bca\u65ad\u5e38\u89c1CDN\u8bbf\u95ee\u5f02\u5e38\u3001\u5b9e\u65bd\u4e34\u65f6\u7f13\u89e3\u548c\u957f\u671f\u4f18\u5316\uff0c\u5e76\u7ed9\u51fa\u9009\u8d2d\u548c\u90e8\u7f72\u5efa\u8bae\uff0c\u5e2e\u52a9\u60a8\u5728\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u5176\u4ed6\u6d77\u5916\u8282\u70b9\u4e0a\u6784\u5efa\u66f4\u7a33\u5b9a\u7684\u5206\u53d1\u4f53\u7cfb\u3002<\/p>\n<h2>CDN\u5de5\u4f5c\u539f\u7406\u4e0e\u5e38\u89c1\u6545\u969c\u7c7b\u578b<\/h2>\n<p>\u4ece\u539f\u7406\u4e0a\u8bb2\uff0cCDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u7531\u5168\u7403\u6216\u533a\u57df\u6027\u7684PoP\uff08Point of Presence\uff09\u8282\u70b9\u3001\u667a\u80fd\u8c03\u5ea6\u5c42\u4ee5\u53ca\u6e90\u7ad9\uff08Origin\uff09\u7ec4\u6210\u3002CDN\u901a\u8fc7\u7f13\u5b58\u9759\u6001\u8d44\u6e90\u5e76\u5c06\u8bf7\u6c42\u8def\u7531\u5230\u79bb\u7528\u6237\u6700\u8fd1\u7684\u8282\u70b9\uff0c\u8fbe\u5230\u52a0\u901f\u548c\u51cf\u8f7d\u76ee\u7684\u3002\u5e38\u89c1\u7684\u8bbf\u95ee\u5f02\u5e38\u4e3b\u8981\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>DNS\u89e3\u6790\u5f02\u5e38<\/strong>\uff1a\u57df\u540d\u65e0\u6cd5\u89e3\u6790\u6216\u89e3\u6790\u5230\u9519\u8befIP\uff0c\u901a\u5e38\u8868\u73b0\u4e3aNXDOMAIN\u6216ERR_NAME_NOT_RESOLVED\u3002<\/li>\n<li><strong>\u8fde\u63a5\u8d85\u65f6\/\u4e22\u5305<\/strong>\uff1a\u7528\u6237\u4e0e\u8fb9\u7f18\u8282\u70b9\u6216\u8fb9\u7f18\u4e0e\u6e90\u7ad9\u4e4b\u95f4\u5b58\u5728\u7f51\u7edc\u95ee\u9898\uff0c\u51fa\u73b0504\/522\/524\u7b49\u8d85\u65f6\u9519\u8bef\u3002<\/li>\n<li><strong>HTTP\u9519\u8bef\u7801<\/strong>\uff1a502\/503\/500\u7b49\u9519\u8bef\uff0c\u591a\u7531\u6e90\u7ad9\u6216\u8fb9\u7f18\u5904\u7406\u5931\u8d25\u5f15\u8d77\u3002<\/li>\n<li><strong>\u7f13\u5b58\u4e0d\u4e00\u81f4\u6216404\u6cdb\u6ee5<\/strong>\uff1a\u8d44\u6e90\u672a\u547d\u4e2d\u7f13\u5b58\u4e14\u6e90\u7ad9\u8fd4\u56de404\uff0c\u6216\u7f13\u5b58\u8fc7\u671f\u7b56\u7565\u914d\u7f6e\u9519\u8bef\u3002<\/li>\n<li><strong>TLS\/\u8bc1\u4e66\u95ee\u9898<\/strong>\uff1a\u8bc1\u4e66\u8fc7\u671f\u6216SNI\u914d\u7f6e\u9519\u8bef\u5bfc\u81f4HTTPS\u8bf7\u6c42\u5931\u8d25\u3002<\/li>\n<li><strong>\u8bbf\u95ee\u9891\u7387\u9650\u5236\u6216WAF\u62e6\u622a<\/strong>\uff1aCDN\u6216\u8fb9\u7f18WAF\u89e6\u53d1\u9650\u6d41\uff0c\u8fd4\u56de429\u6216\u76f4\u63a5\u62d2\u7edd\u3002<\/li>\n<\/ul>\n<h3>\u6545\u969c\u5b9a\u4f4d\u7684\u9996\u8981\u601d\u8def<\/h3>\n<p>\u5b9a\u4f4d\u6d41\u7a0b\u5e94\u9075\u5faa\u201c\u4ece\u8fb9\u7f18\u5230\u6e90\u7ad9\u3001\u4ece\u7f51\u7edc\u5230\u5e94\u7528\u3001\u4ece\u8bbe\u5907\u5230\u914d\u7f6e\u201d\u7684\u601d\u8def\u3002\u521d\u59cb\u8bca\u65ad\u53ef\u4ee5\u6309\u4ee5\u4e0b\u987a\u5e8f\uff1aDNS \u2192 \u7f51\u7edc\u94fe\u8def \u2192 TLS\u63e1\u624b \u2192 HTTP\u54cd\u5e94\u5934\u4e0e\u72b6\u6001\u7801 \u2192 \u65e5\u5fd7\u4e0e\u7f13\u5b58\u7b56\u7565\u3002<\/p>\n<h2>\u5feb\u901f\u5b9a\u4f4d\u5b9e\u6218\u6b65\u9aa4\uff08\u5305\u542b\u547d\u4ee4\u4e0e\u5de5\u5177\uff09<\/h2>\n<p>\u4e0b\u9762\u7ed9\u51fa\u4e00\u5957\u53ef\u590d\u5236\u7684\u6b65\u9aa4\u4e0e\u5e38\u7528\u547d\u4ee4\uff0c\u9002\u7528\u4e8e\u7ad9\u957f\u548c\u8fd0\u7ef4\u4eba\u5458\u5728\u9047\u5230CDN\u5f02\u5e38\u65f6\u5feb\u901f\u5b9a\u4f4d\u95ee\u9898\u3002<\/p>\n<h3>1. \u9a8c\u8bc1DNS\u89e3\u6790<\/h3>\n<ul>\n<li>\u4f7f\u7528 dig \u6216 nslookup \u67e5\u770b\u57df\u540d\u89e3\u6790\u7ed3\u679c\uff1a<br \/>\n    <code>dig +short example.com<\/code> \u6216 <code>nslookup example.com<\/code>\u3002\u786e\u8ba4\u662f\u5426\u89e3\u6790\u5230CDN\u63d0\u4f9b\u7684CNAME\u6216IP\u3002<\/li>\n<li>\u68c0\u67e5\u5168\u7403\u89e3\u6790\u4e00\u81f4\u6027\uff1a\u4f7f\u7528\u516c\u5f00\u89e3\u6790\u5668\uff088.8.8.8\u30011.1.1.1\uff09\u548c\u76ee\u6807\u5730\u533a\u89e3\u6790\u5668\uff08\u5982\u9999\u6e2f\/\u65e5\u672c\/\u7f8e\u56fd\u7684DNS\uff09\u5bf9\u6bd4\u7ed3\u679c\uff0c\u5224\u65ad\u662f\u5426\u4e3aDNS\u5237\u65b0\u6216GeoDNS\u95ee\u9898\u3002<\/li>\n<\/ul>\n<h3>2. \u7f51\u7edc\u8fde\u901a\u6027\u68c0\u67e5<\/h3>\n<ul>\n<li>traceroute \/ mtr\uff1a\u8ffd\u8e2a\u5230\u8fb9\u7f18\u8282\u70b9\u6216\u6e90\u7ad9\u7684\u8def\u5f84\uff0c\u8bc6\u522b\u4e22\u5305\u6216\u8de8\u5883\u94fe\u8def\u95ee\u9898\u3002\u4f8b\u5982\uff1a<code>mtr -rwzbc 100 cdn-edge-ip<\/code>\u3002<\/li>\n<li>ping\u53ea\u662f\u521d\u6b65\u68c0\u67e5\uff0c\u66f4\u591a\u9700\u89c2\u5bdf\u4e22\u5305\u7387\u548c\u5ef6\u8fdf\u6296\u52a8\u3002<\/li>\n<\/ul>\n<h3>3. TLS\u4e0e\u63e1\u624b\u8bca\u65ad<\/h3>\n<ul>\n<li>\u4f7f\u7528 openssl \u68c0\u67e5\u8bc1\u4e66\u4e0eSNI\uff1a<br \/>\n    <code>openssl s_client -showcerts -connect example.com:443 -servername example.com<\/code>\u3002\u786e\u8ba4\u8bc1\u4e66\u94fe\u3001\u6709\u6548\u671f\u4e0e\u57df\u540d\u5339\u914d\u3002<\/li>\n<li>\u6d4f\u89c8\u5668\u5f00\u53d1\u8005\u5de5\u5177\uff08Network\uff09\u67e5\u770bTLS\u7248\u672c\u548c\u8bc1\u4e66\u94fe\u9519\u8bef\u3002<\/li>\n<\/ul>\n<h3>4. HTTP\u8bf7\u6c42\/\u54cd\u5e94\u5c42\u9762\u5206\u6790<\/h3>\n<ul>\n<li>\u4f7f\u7528 curl \u83b7\u53d6\u5b8c\u6574\u54cd\u5e94\u5934\uff1a<br \/>\n    <code>curl -I -v https:\/\/example.com\/path<\/code>\u3002\u5173\u6ce8X-Cache\u3001Via\u3001Server\u3001Age\u3001Cache-Control\u7b49\u5934\u90e8\u5b57\u6bb5\u3002<\/li>\n<li>\u82e5\u51fa\u73b0502\/503\uff0c\u67e5\u770b\u662f\u5426\u4e3a\u6e90\u7ad9\u629b\u9519\u8bef\u6216\u8fb9\u7f18\u8f6c\u6362\u5931\u8d25\uff08\u5f88\u591aCDN\u4f1a\u5728\u54cd\u5e94\u5934\u4e2d\u6dfb\u52a0\u9519\u8bef\u6807\u8bb0\uff09\u3002<\/li>\n<\/ul>\n<h3>5. \u65e5\u5fd7\u4e0e\u76d1\u63a7<\/h3>\n<ul>\n<li>\u67e5\u8be2\u8fb9\u7f18\u65e5\u5fd7\uff08\u82e5CDN\u63d0\u4f9b\uff09\u4e0e\u6e90\u7ad9\u65e5\u5fd7\uff0c\u5b9a\u4f4d\u8bf7\u6c42\u94fe\u8def\u3002\u5e38\u89c1\u5173\u952e\u5b57\u6bb5\uff1a\u8bf7\u6c42ID\u3001\u65f6\u95f4\u6233\u3001client IP\u3001status code\u3001backend response time\u3002<\/li>\n<li>\u4f7f\u7528\u5408\u6210\u76d1\u63a7\uff08Synthetics\uff09\u6301\u7eed\u6d4b\u8bd5\u5404\u533a\u57df\u8282\u70b9\uff08\u9999\u6e2f\u3001\u7f8e\u56fd\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\uff09\uff0c\u4ee5\u4fbf\u63d0\u524d\u6355\u83b7\u533a\u57df\u6027\u6545\u969c\u3002<\/li>\n<\/ul>\n<h2>\u5178\u578b\u6545\u969c\u573a\u666f\u4e0e\u6062\u590d\u7b56\u7565<\/h2>\n<p>\u4e0b\u9762\u6309\u573a\u666f\u7ed9\u51fa\u5b9e\u6218\u6062\u590d\u7b56\u7565\uff0c\u5305\u542b\u4e34\u65f6\u7f13\u89e3\u4e0e\u6839\u56e0\u4fee\u590d\u5efa\u8bae\u3002<\/p>\n<h3>\u573a\u666f\u4e00\uff1a\u5168\u7403\u67d0\u5730\u533a\u8bbf\u95ee\u8d85\u65f6\u4f46\u5176\u4ed6\u5730\u533a\u6b63\u5e38<\/h3>\n<ul>\n<li>\u5feb\u901f\u5b9a\u4f4d\uff1a\u4f7f\u7528\u591a\u533a\u57df traceroute\/mtr \u4e0e\u5408\u6210\u76d1\u63a7\u6bd4\u5bf9\uff0c\u786e\u8ba4\u662f\u67d0PoP\u6216\u4e0a\u6e38\u94fe\u8def\u95ee\u9898\u3002<\/li>\n<li>\u4e34\u65f6\u7f13\u89e3\uff1a\u5728CDN\u63a7\u5236\u53f0\u4e2d\u8c03\u6574\u6d41\u91cf\u7b56\u7565\uff08\u5982\u56de\u9000\u5230\u53e6\u4e00\u4e2aPoP\u6216\u7f29\u77edTTL\uff09\uff0c\u6216\u542f\u7528Geo fallback\u5c06\u8be5\u533a\u57df\u6d41\u91cf\u5f15\u5bfc\u5230\u6700\u8fd1\u7684\u5065\u5eb7\u8282\u70b9\u3002<\/li>\n<li>\u6839\u56e0\u4fee\u590d\uff1a\u8054\u7cfbCDN\u8fd0\u8425\u5546\u6216\u4e0a\u6e38\u5e26\u5bbd\u63d0\u4f9b\u5546\uff0c\u63d0\u4f9b\u6545\u969c\u65f6\u95f4\u7ebf\u4e0etraceroute\u8f93\u51fa\uff0c\u8981\u6c42\u6392\u67e5\u94fe\u8def\u6216\u8bbe\u5907\u6545\u969c\u3002<\/li>\n<\/ul>\n<h3>\u573a\u666f\u4e8c\uff1a\u5927\u91cf502\/503\u9519\u8bef<\/h3>\n<ul>\n<li>\u5feb\u901f\u5b9a\u4f4d\uff1a\u68c0\u67e5\u6e90\u7ad9\u5065\u5eb7\u3001\u540e\u7aef\u670d\u52a1\uff08\u5e94\u7528\u5c42\uff09\u548c\u6570\u636e\u5e93\u662f\u5426\u8fc7\u8f7d\u3002\u7ed3\u5408\u6e90\u7ad9\u76d1\u63a7\u67e5\u770bCPU\u3001\u5185\u5b58\u3001\u8fde\u63a5\u6570\u548c\u961f\u5217\u957f\u5ea6\u3002<\/li>\n<li>\u4e34\u65f6\u7f13\u89e3\uff1a\u5f00\u542fCDN\u7684\u7f13\u5b58\u8986\u76d6\uff08stale-if-error \/ serve stale\uff09\u6216\u8bbe\u7f6e\u66f4\u957f\u7684\u7f13\u5b58\u547d\u4e2d\u4ee5\u51cf\u8f7b\u6e90\u7ad9\u538b\u529b\uff1b\u5728\u5fc5\u8981\u65f6\u542f\u7528\u964d\u7ea7\u9875\u9762\u6216\u53ea\u5141\u8bb8\u9759\u6001\u8d44\u6e90\u7f13\u5b58\u3002<\/li>\n<li>\u6839\u56e0\u4fee\u590d\uff1a\u4f18\u5316\u6e90\u7ad9\u8d44\u6e90\u3001\u6269\u5bb9\u5e94\u7528\u5b9e\u4f8b\u3001\u8c03\u6574\u8fde\u63a5\u6c60\u4e0e\u8d85\u65f6\u8bbe\u7f6e\uff0c\u6216\u4f7f\u7528\u9999\u6e2fVPS\/\u7f8e\u56fdVPS\u4f5c\u4e3a\u5206\u6d41\u8282\u70b9\u505a\u4e2d\u7ee7\u3002<\/li>\n<\/ul>\n<h3>\u573a\u666f\u4e09\uff1aHTTPS\u8bbf\u95ee\u5931\u8d25\u6216\u8bc1\u4e66\u9519\u8bef<\/h3>\n<ul>\n<li>\u5feb\u901f\u5b9a\u4f4d\uff1a\u4f7f\u7528 openssl \u6216\u5728\u7ebf\u5de5\u5177\u68c0\u67e5\u8bc1\u4e66\u94fe\u4e0e\u8fc7\u671f\u60c5\u51b5\uff0c\u786e\u8ba4SNI\u914d\u7f6e\u662f\u5426\u6b63\u786e\u3002<\/li>\n<li>\u4e34\u65f6\u7f13\u89e3\uff1a\u5982\u679cCDN\u652f\u6301\u81ea\u6709\u8bc1\u4e66\u7ba1\u7406\uff0c\u4e34\u65f6\u5207\u6362\u5230CDN\u6258\u7ba1\u8bc1\u4e66\u6216\u5907\u7528\u8bc1\u4e66\uff1b\u5bf9\u5916\u53d1\u5e03\u660e\u786e\u4fe1\u606f\u907f\u514d\u91cd\u590d\u5c1d\u8bd5\u9020\u6210\u66f4\u591a\u8bbf\u95ee\u95ee\u9898\u3002<\/li>\n<li>\u6839\u56e0\u4fee\u590d\uff1a\u66f4\u65b0\u8bc1\u4e66\u3001\u542f\u7528\u81ea\u52a8\u7eed\u671f\uff08ACME\/Let\u2019s Encrypt\uff09\u6216\u5728\u591a\u4e2a\u533a\u57df\u90e8\u7f72\u8bc1\u4e66\u5197\u4f59\u3002<\/li>\n<\/ul>\n<h2>\u7f13\u5b58\u7b56\u7565\u4e0e\u914d\u7f6e\u4f18\u5316\u5efa\u8bae<\/h2>\n<p>\u5408\u7406\u7684\u7f13\u5b58\u7b56\u7565\u80fd\u663e\u8457\u964d\u4f4e\u8bbf\u95ee\u5f02\u5e38\u53d1\u751f\u6982\u7387\u5e76\u63d0\u9ad8\u6062\u590d\u80fd\u529b\u3002\u4ee5\u4e0b\u4e3a\u63a8\u8350\u5b9e\u8df5\uff1a<\/p>\n<ul>\n<li><strong>\u5206\u5c42\u7f13\u5b58<\/strong>\uff1a\u524d\u7aef\u8fb9\u7f18\u8282\u70b9 + \u4e2d\u95f4\u5c42\u7f13\u5b58\uff08Origin Shield\uff09 + \u6e90\u7ad9\uff0c\u51cf\u5c11\u6e90\u7ad9\u76f4\u8fde\u8bf7\u6c42\u3002<\/li>\n<li><strong>\u5408\u7406\u8bbe\u7f6eCache-Control<\/strong>\uff1a\u9759\u6001\u8d44\u6e90\u8bbe\u7f6e\u957fTTL\u5e76\u4f7f\u7528\u7248\u672c\u5316URL\uff08fingerprint\uff09\uff0c\u52a8\u6001\u5185\u5bb9\u53ef\u7528\u77edTTL\u6216no-cache\u914d\u5408stale-while-revalidate\u3002<\/li>\n<li><strong>\u9519\u8bef\u7f13\u5b58<\/strong>\uff1a\u914d\u7f6e\u5728\u6e90\u7ad9\u5f02\u5e38\u65f6\u670d\u52a1\u201c\u65e7\u201d\u7f13\u5b58\uff0c\u907f\u514d\u77ed\u65f6\u95f4\u5185\u5927\u91cf\u5931\u8d25\u6d41\u91cf\u51b2\u51fb\u6e90\u7ad9\u3002<\/li>\n<li><strong>\u6761\u4ef6\u7f13\u5b58\u548c\u8def\u7531<\/strong>\uff1a\u5bf9\u4e0d\u540c\u7528\u6237Agent\u6216\u56fd\u5bb6\u91c7\u7528\u5dee\u5f02\u5316\u7f13\u5b58\u7b56\u7565\uff0c\u7ed3\u5408Geo routing\u4e3a\u7279\u5b9a\u533a\u57df\uff08\u5982\u9999\u6e2f\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\uff09\u505a\u4f18\u5316\u3002<\/li>\n<\/ul>\n<h2>\u76d1\u63a7\u3001\u544a\u8b66\u4e0e\u6f14\u7ec3<\/h2>\n<p>\u6301\u7eed\u7684\u76d1\u63a7\u548c\u6f14\u7ec3\u80fd\u591f\u628a\u6545\u969c\u5bf9\u4e1a\u52a1\u7684\u5f71\u54cd\u964d\u5230\u6700\u4f4e\u3002\u5efa\u8bae\u91c7\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li>\u591a\u70b9\u76d1\u63a7\uff1a\u5728\u9999\u6e2f\u3001\u7f8e\u56fd\u3001\u4e9a\u6d32\u5176\u4ed6\u8282\u70b9\u5e03\u7f6e\u76d1\u6d4b\u63a2\u9488\uff0c\u8986\u76d6\u5178\u578b\u7528\u6237\u8def\u5f84\u3002<\/li>\n<li>\u544a\u8b66\u5206\u7ea7\uff1a\u8bbe\u7f6e\u54cd\u5e94\u65f6\u95f4\u3001\u9519\u8bef\u7387\u548c\u53ef\u7528\u6027\u9608\u503c\uff0c\u5e76\u5236\u5b9aSLA\u7ea7\u522b\u7684\u544a\u8b66\u7b56\u7565\u3002<\/li>\n<li>\u6545\u969c\u6f14\u7ec3\uff1a\u5b9a\u671f\u6f14\u7ec3CDN\u56de\u9000\u3001\u6e90\u7ad9\u6269\u5bb9\u3001DNS\u5207\u6362\u7b49\u6d41\u7a0b\uff0c\u786e\u4fdd\u56e2\u961f\u719f\u6089\u64cd\u4f5c\u6b65\u9aa4\u5e76\u8bb0\u5f55Runbook\u3002<\/li>\n<\/ul>\n<h2>\u9009\u8d2d\u4e0e\u90e8\u7f72\u5efa\u8bae\uff08\u6309\u5730\u57df\u4e0e\u4ea7\u54c1\u7c7b\u578b\uff09<\/h2>\n<p>\u9009\u62e9CDN\u4e0e\u914d\u5957\u670d\u52a1\u5668\u65f6\uff0c\u8bf7\u7ed3\u5408\u4e1a\u52a1\u7528\u6237\u5206\u5e03\u3001\u5408\u89c4\u9700\u6c42\u4e0e\u6210\u672c\u9884\u7b97\uff1a<\/p>\n<ul>\n<li>\u82e5\u7528\u6237\u4e3b\u8981\u5728\u9999\u6e2f\u3001\u4e1c\u4e9a\u5730\u533a\uff0c\u4f18\u5148\u8003\u8651\u5728\u9999\u6e2f\u670d\u52a1\u5668\u6216\u65e5\u672c\u670d\u52a1\u5668\u3001\u97e9\u56fd\u670d\u52a1\u5668\u548c\u65b0\u52a0\u5761\u670d\u52a1\u5668\u9644\u8fd1\u90e8\u7f72PoP\uff0c\u4ee5\u964d\u4f4e\u5ef6\u8fdf\u5e76\u63d0\u5347\u7a33\u5b9a\u6027\u3002<\/li>\n<li>\u9762\u5411\u5317\u7f8e\u7528\u6237\u7684\u4e1a\u52a1\uff0c\u5e94\u4fdd\u8bc1\u6709\u7a33\u5b9a\u7684\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u7f8e\u56fdVPS\u4f5c\u4e3a\u6e90\u7ad9\u6216\u4e2d\u7ee7\uff0c\u907f\u514d\u8de8\u6d0b\u94fe\u8def\u6210\u4e3a\u5355\u70b9\u6545\u969c\u3002<\/li>\n<li>\u5bf9\u4e8e\u4e2d\u5c0f\u578b\u7ad9\u70b9\uff0c\u9999\u6e2fVPS\u6216\u7f8e\u56fdVPS\u53ef\u4ee5\u4f5c\u4e3a\u7ecf\u6d4e\u9ad8\u6548\u7684\u6e90\u7ad9\u9009\u62e9\uff0c\u7ed3\u5408CDN\u7f13\u5b58\u53ef\u83b7\u5f97\u8f83\u597d\u6027\u80fd\u4e0e\u53ef\u7528\u6027\u3002<\/li>\n<li>\u57df\u540d\u89e3\u6790\u4e0e\u8bc1\u4e66\u7ba1\u7406\u540c\u6837\u91cd\u8981\uff0c\u9009\u62e9\u53ef\u9760\u7684\u57df\u540d\u6ce8\u518c\u5546\u5e76\u542f\u7528DNSSEC\/\u591aNS\u90e8\u7f72\uff0c\u51cf\u5c11\u57df\u540d\u89e3\u6790\u5e26\u6765\u7684\u5355\u70b9\u98ce\u9669\u3002<\/li>\n<\/ul>\n<h2>\u603b\u7ed3\u4e0e\u884c\u52a8\u6e05\u5355<\/h2>\n<p>CDN\u8bbf\u95ee\u5f02\u5e38\u5904\u7406\u9700\u8981\u6280\u672f\u3001\u6d41\u7a0b\u4e0e\u5de5\u5177\u4e09\u65b9\u9762\u534f\u540c\uff1a<\/p>\n<ul>\n<li>\u5efa\u7acb\u6e05\u6670\u7684\u6545\u969c\u5b9a\u4f4d\u6d41\u7a0b\uff08DNS \u2192 \u7f51\u7edc \u2192 TLS \u2192 HTTP \u2192 \u65e5\u5fd7\uff09\u3002<\/li>\n<li>\u5728CDN\u7b56\u7565\u4e2d\u914d\u7f6e\u5408\u7406\u7684\u7f13\u5b58\u3001\u9519\u8bef\u5904\u7406\u4e0e\u56de\u9000\u673a\u5236\u4ee5\u5b9e\u73b0\u5feb\u901f\u7f13\u89e3\u3002<\/li>\n<li>\u90e8\u7f72\u591a\u533a\u57df\u76d1\u63a7\u5e76\u5b9a\u671f\u6f14\u7ec3\u6545\u969c\u6062\u590d\u6d41\u7a0b\uff0c\u63d0\u5347\u5e94\u6025\u54cd\u5e94\u80fd\u529b\u3002<\/li>\n<li>\u6839\u636e\u7528\u6237\u5730\u57df\u9009\u62e9\u5408\u9002\u7684\u6e90\u7ad9\u4e0e\u8fb9\u7f18\u90e8\u7f72\uff1a\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u3001\u4ee5\u53ca\u65e5\u672c\u670d\u52a1\u5668\u3001\u97e9\u56fd\u670d\u52a1\u5668\u6216\u65b0\u52a0\u5761\u670d\u52a1\u5668\u7b49\uff0c\u53ef\u4f9d\u636e\u4e1a\u52a1\u5206\u5e03\u7075\u6d3b\u7ec4\u5408\u3002<\/li>\n<\/ul>\n<p>\u5982\u9700\u5feb\u901f\u642d\u5efa\u6216\u8fc1\u79fb\u6e90\u7ad9\u7528\u4e8eCDN\u56de\u6e90\u6d4b\u8bd5\uff0c\u53ef\u53c2\u8003\u6211\u4eec\u7684\u4ea7\u54c1\u9875\u9762\u83b7\u53d6\u9999\u6e2f\u53ca\u6d77\u5916\u670d\u52a1\u5668\u9009\u578b\uff1a<a href=\"https:\/\/server.hk\/\">Server.HK<\/a>\uff0c\u6216\u76f4\u63a5\u67e5\u770b\u9999\u6e2f\u670d\u52a1\u5668\u4ea7\u54c1\u8be6\u60c5\uff1a<a href=\"https:\/\/server.hk\/server.php\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\u3002\u8fd9\u4e9b\u9009\u9879\u4e5f\u5305\u62ec\u9002\u5408\u505a\u6e90\u7ad9\u7684\u9999\u6e2fVPS\u4e0e\u7f8e\u56fdVPS\uff0c\u65b9\u4fbf\u4e0e\u57df\u540d\u6ce8\u518c\u548c\u5168\u7403CDN\u914d\u5408\uff0c\u63d0\u5347\u6574\u4f53\u53ef\u7528\u6027\u548c\u6062\u590d\u80fd\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9762\u5bf9\u5f71\u54cd\u7528\u6237\u4f53\u9a8c\u548c\u4e1a\u52a1\u53ef\u7528\u6027\u7684\u7a81\u53d1\u95ee\u9898\uff0c\u638c\u63e1CDN\u8bbf\u95ee\u5f02\u5e38\u5904\u7406\u80fd\u8ba9\u4f60\u5728\u9999\u6e2f\u3001\u7f8e\u56fd\u7b49\u6d77\u5916\u8282\u70b9\u4e0a\u5feb\u901f\u5b9a\u4f4d\u6545\u969c\u5e76\u6062\u590d\u670d\u52a1\u3002\u672c\u6587\u7ed3\u5408\u771f\u5b9e\u8fd0\u7ef4\u573a\u666f\u4e0e\u5de5\u5177\uff0c\u624b\u628a\u624b\u6559\u4f60\u4ece\u8bca\u65ad\u3001\u4e34\u65f6\u7f13\u89e3\u5230\u957f\u671f\u4f18\u5316\uff0c\u6784\u5efa\u66f4\u7a33\u5b9a\u7684\u5206\u53d1\u4f53\u7cfb\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4928],"tags":[3073,3942,3943,3946,3945,3944,3050,2888,3947,630],"class_list":{"0":"post-209921","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-4928","7":"tag-cdn","10":"tag-3946","11":"tag-3945","12":"tag-3944","13":"tag-3050","14":"tag-2888","15":"tag-3947","16":"tag-630"},"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209921","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=209921"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209921\/revisions"}],"predecessor-version":[{"id":209922,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209921\/revisions\/209922"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=209921"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=209921"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=209921"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}