{"id":209116,"date":"2025-09-30T05:24:41","date_gmt":"2025-09-29T21:24:41","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209116\/"},"modified":"2025-09-30T05:24:42","modified_gmt":"2025-09-29T21:24:42","slug":"vps-cdn-3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209116\/","title":{"rendered":"\u9999\u6e2fVPS\u63a5\u5165CDN\u5931\u8d25\uff1f6\u6b65\u5feb\u901f\u6392\u67e5\u4e0e\u4e00\u952e\u4fee\u590d\u653b\u7565"},"content":{"rendered":"<p>\u5728\u4e3a\u7f51\u7ad9\u6216\u5e94\u7528\u63a5\u5165 CDN \u65f6\uff0c\u5e38\u89c1\u7684\u95ee\u9898\u4e4b\u4e00\u662f\u9999\u6e2f VPS \u65e0\u6cd5\u6210\u529f\u4e0e CDN \u8282\u70b9\u5efa\u7acb\u7a33\u5b9a\u8fde\u63a5\u3002\u5bf9\u4e8e\u9762\u5411\u5927\u4e2d\u534e\u533a\u548c\u4e1c\u5357\u4e9a\u7528\u6237\u7684\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\uff0c\u9999\u6e2f\u670d\u52a1\u5668\u4e0e\u9999\u6e2fVPS \u5e38\u4f5c\u4e3a\u8fb9\u7f18\u8282\u70b9\u4e0e\u6e90\u7ad9\u7684\u7406\u60f3\u9009\u62e9\u3002\u672c\u6587\u5c06\u4ece\u539f\u7406\u51fa\u53d1\uff0c\u7ed9\u51fa6\u6b65\u5feb\u901f\u6392\u67e5\u6d41\u7a0b\u53ca\u4e00\u952e\u4fee\u590d\u601d\u8def\uff0c\u5e2e\u52a9\u4f60\u5728\u6700\u77ed\u65f6\u95f4\u5185\u6062\u590d\u670d\u52a1\u3002<\/p>\n<h2>\u63a5\u5165\u5931\u8d25\u7684\u539f\u7406\u4e0e\u5e38\u89c1\u539f\u56e0<\/h2>\n<p>\u5728\u6df1\u5165\u6392\u67e5\u4e4b\u524d\uff0c\u7406\u89e3 CDN \u4e0e\u6e90\u7ad9\uff08\u4f8b\u5982\u4f60\u7684\u9999\u6e2fVPS \u6216 \u7f8e\u56fdVPS\uff09\u4e4b\u95f4\u7684\u901a\u4fe1\u673a\u5236\u5f88\u91cd\u8981\u3002CDN \u8282\u70b9\u5728\u8bf7\u6c42\u8d44\u6e90\u65f6\u4f1a\u5411\u6e90\u7ad9\u53d1\u8d77 HTTP\/HTTPS \u8bf7\u6c42\uff0c\u83b7\u53d6\u539f\u59cb\u5185\u5bb9\u5e76\u7f13\u5b58\u3002\u4efb\u4f55\u5bfc\u81f4\u8282\u70b9\u65e0\u6cd5\u8bf7\u6c42\u5230\u6e90\u7ad9\u7684\u56e0\u7d20\uff0c\u90fd\u53ef\u80fd\u9020\u6210\u63a5\u5165\u5931\u8d25\u3002<\/p>\n<ul>\n<li><strong>DNS \u89e3\u6790\u95ee\u9898<\/strong>\uff1aCDN \u8282\u70b9\u65e0\u6cd5\u89e3\u6790\u6e90\u7ad9\u57df\u540d\u6216\u89e3\u6790\u5230\u9519\u8bef IP\u3002<\/li>\n<li><strong>\u9632\u706b\u5899\u4e0e\u7f51\u7edc\u7b56\u7565<\/strong>\uff1a\u6e90\u7ad9\u6216 VPS \u4e0a\u7684\u9632\u706b\u5899\uff08iptables\u3001ufw\u3001\u4e91\u5382\u5546\u5b89\u5168\u7ec4\uff09\u963b\u6b62\u4e86 CDN \u8282\u70b9 IP \u6bb5\u8bbf\u95ee\u3002<\/li>\n<li><strong>\u7aef\u53e3\u4e0e\u670d\u52a1\u672a\u76d1\u542c<\/strong>\uff1a\u76ee\u6807\u7aef\u53e3\uff08\u5982 80\/443\uff09\u672a\u5728 VPS \u4e0a\u76d1\u542c\u6216\u670d\u52a1\u5d29\u6e83\u3002<\/li>\n<li><strong>SSL\/TLS \u914d\u7f6e\u9519\u8bef<\/strong>\uff1a\u8bc1\u4e66\u4e0d\u88ab\u4fe1\u4efb\u3001SNI \u914d\u7f6e\u9519\u8bef\u6216\u4ec5\u63a5\u53d7\u7279\u5b9a\u5ba2\u6237\u7aef\u534f\u8bae\u3002<\/li>\n<li><strong>\u56de\u6e90\u9650\u5236\u6216 IP \u9ed1\u540d\u5355<\/strong>\uff1a\u5e94\u7528\u5c42\uff08Web \u5e94\u7528\u3001WAF\uff09\u8bef\u5224 CDN \u8282\u70b9\u5e76\u62d2\u7edd\u8bbf\u95ee\u3002<\/li>\n<li><strong>\u8def\u7531\u6216 BGP \u95ee\u9898<\/strong>\uff1a\u8de8\u5883\u94fe\u8def\uff08\u4f8b\u5982\u4ece\u7f8e\u56fd\u670d\u52a1\u5668 \u56de\u6e90\u5230\u9999\u6e2fVPS\uff09\u5b58\u5728\u4e22\u5305\u6216\u9ad8\u5ef6\u8fdf\uff0c\u5f71\u54cd\u56de\u6e90\u6210\u529f\u7387\u3002<\/li>\n<\/ul>\n<h2>6\u6b65\u5feb\u901f\u6392\u67e5\u6d41\u7a0b\uff08\u5f00\u53d1\u8005\u53cb\u597d\uff09<\/h2>\n<h3>\u6b65\u9aa41\uff1a\u9a8c\u8bc1 DNS \u4e0e\u89e3\u6790\u8def\u5f84<\/h3>\n<p>\u4f7f\u7528 dig \u6216 nslookup \u4ece\u591a\u4e2a\u5730\u533a\uff08\u4f8b\u5982\u9999\u6e2f\u3001\u7f8e\u56fd\uff09\u67e5\u8be2\u57df\u540d\u89e3\u6790\u7ed3\u679c\uff0c\u786e\u8ba4\u8fd4\u56de\u7684 IP \u662f\u9884\u671f\u7684\u6e90\u7ad9 IP \u6216 CDN \u56de\u6e90\u5730\u5740\u3002\u793a\u4f8b\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li>dig +short example.com<\/li>\n<li>dig @8.8.8.8 example.com<\/li>\n<\/ul>\n<p>\u82e5DNS\u8fd4\u56de CDN \u7684\u56de\u6e90\u4e3b\u673a\u540d\uff0c\u786e\u8ba4\u8be5\u4e3b\u673a\u540d\u80fd\u89e3\u6790\u5230\u6e90\u7ad9 IP\u3002\u82e5\u89e3\u6790\u7ed3\u679c\u4e0d\u4e00\u81f4\uff0c\u68c0\u67e5\u57df\u540d\u7684 CNAME\/ALIAS \u8bb0\u5f55\u53ca TTL\u3002<\/p>\n<h3>\u6b65\u9aa42\uff1a\u786e\u8ba4\u7aef\u53e3\u76d1\u542c\u4e0e\u670d\u52a1\u5065\u5eb7<\/h3>\n<p>SSH \u767b\u5f55\u9999\u6e2fVPS\uff0c\u4f7f\u7528 netstat \u6216 ss \u68c0\u67e5\u7aef\u53e3\u76d1\u542c\u60c5\u51b5\uff1a<\/p>\n<ul>\n<li>ss -tlnp | grep :80<\/li>\n<li>ss -tlnp | grep :443<\/li>\n<\/ul>\n<p>\u82e5\u670d\u52a1\u672a\u76d1\u542c\uff0c\u67e5\u770b\u5e94\u7528\u65e5\u5fd7\uff08\u5982\/nginx\/error.log \u6216 \/var\/log\/apache2\/error.log\uff09\uff0c\u91cd\u542f Web \u670d\u52a1\u5e76\u786e\u8ba4\u914d\u7f6e\u65e0\u8bef\u3002<\/p>\n<h3>\u6b65\u9aa43\uff1a\u6392\u67e5\u9632\u706b\u5899\u4e0e\u5b89\u5168\u7ec4<\/h3>\n<p>\u68c0\u67e5\u670d\u52a1\u5668\u672c\u5730\u9632\u706b\u5899\u548c\u4e91\u5382\u5546\u7684\u5b89\u5168\u7ec4\u89c4\u5219\uff0c\u786e\u4fdd\u5141\u8bb8 CDN \u56de\u6e90 IP \u6bb5\u8bbf\u95ee 80\/443\u3002\u5e38\u89c1\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li>iptables -L -n<\/li>\n<li>ufw status verbose<\/li>\n<\/ul>\n<p>\u5982\u679c\u4f60\u4f7f\u7528\u7b2c\u4e09\u65b9 WAF\uff0c\u4e34\u65f6\u5c06\u5176\u7f6e\u4e3a\u5bbd\u677e\u7b56\u7565\u6216\u767d\u540d\u5355 CDN IP \u6765\u6392\u9664\u62e6\u622a\u95ee\u9898\u3002<\/p>\n<h3>\u6b65\u9aa44\uff1a\u9a8c\u8bc1 SSL\/TLS \u4e0e SNI<\/h3>\n<p>\u4f7f\u7528 openssl \u5de5\u5177\u4ece\u5916\u90e8\u6a21\u62df CDN \u8282\u70b9\u53d1\u8d77 TCP\/SSL \u8fde\u63a5\uff0c\u786e\u8ba4\u8bc1\u4e66\u94fe\u548c SNI \u662f\u5426\u6b63\u786e\uff1a<\/p>\n<ul>\n<li>openssl s_client -connect your-vps-ip:443 -servername example.com<\/li>\n<\/ul>\n<p>\u6ce8\u610f\u67e5\u770b\u8bc1\u4e66\u7684\u57df\u540d\u662f\u5426\u5339\u914d\uff08CN \u6216 SAN\uff09\uff0c\u5e76\u786e\u8ba4\u6ca1\u6709\u4f7f\u7528\u53ea\u4fe1\u4efb\u7279\u5b9a\u4e2d\u95f4\u8bc1\u4e66\u7684\u914d\u7f6e\u3002\u82e5\u4e3a\u81ea\u7b7e\u8bc1\u4e66\u6216\u5185\u90e8\u8bc1\u4e66\uff0c\u9700\u5728 CDN \u63a7\u5236\u53f0\u9009\u62e9\u5141\u8bb8\u81ea\u7b7e\u6216\u4e0a\u4f20\u8bc1\u4e66\u94fe\u3002<\/p>\n<h3>\u6b65\u9aa45\uff1a\u56de\u6e90\u8bf7\u6c42\u65e5\u5fd7\u4e0e\u5e94\u7528\u5c42\u62d2\u7edd<\/h3>\n<p>\u5728\u6e90\u7ad9\u542f\u7528\u8bbf\u95ee\u65e5\u5fd7\uff0c\u8fc7\u6ee4\u6765\u81ea CDN \u8282\u70b9\u7684\u8bf7\u6c42\uff0c\u89c2\u5bdf\u8fd4\u56de\u7801\u3002\u5e38\u89c1\u60c5\u51b5\uff1a<\/p>\n<ul>\n<li>403\/401\uff1a\u901a\u5e38\u4e3a\u6743\u9650\u6216 WAF \u89c4\u5219\u5bfc\u81f4\u3002<\/li>\n<li>499\/408\uff1a\u53ef\u80fd\u4e3a\u8d85\u65f6\u6216\u8fde\u63a5\u88ab\u4e3b\u52a8\u5173\u95ed\u3002<\/li>\n<li>502\/504\uff1a\u4e0a\u6e38\u6216\u56de\u6e90\u5931\u8d25\u3002<\/li>\n<\/ul>\n<p>\u6839\u636e\u8fd4\u56de\u7801\u9010\u6b65\u653e\u5bbd\u89c4\u5219\u3001\u4fee\u590d\u8de8\u57df\u6216\u8ba4\u8bc1\u95ee\u9898\u3002<\/p>\n<h3>\u6b65\u9aa46\uff1a\u7f51\u7edc\u8fde\u901a\u4e0e\u8def\u7531\u8bca\u65ad<\/h3>\n<p>\u6267\u884c traceroute \u6216 mtr\uff0c\u4ece\u591a\u4e2a\u5730\u70b9\uff08\u9999\u6e2f\u3001\u7f8e\u56fd\uff09\u5230\u6e90\u7ad9 IP\uff0c\u5206\u6790\u4e2d\u95f4\u8def\u7531\u662f\u5426\u5b58\u5728\u4e22\u5305\u6216\u5f02\u5e38\u5ef6\u8fdf\uff1a<\/p>\n<ul>\n<li>mtr -rw example.com<\/li>\n<li>traceroute -I example.com<\/li>\n<\/ul>\n<p>\u82e5\u53d1\u73b0\u8de8\u5883\u94fe\u8def\u5728\u67d0\u8dc3\u70b9\u5927\u91cf\u4e22\u5305\uff0c\u53ef\u80fd\u9700\u8981\u4e0e\u673a\u623f\u6216\u5e26\u5bbd\u63d0\u4f9b\u5546\u6c9f\u901a\uff0c\u6216\u8003\u8651\u66f4\u6539\u56de\u6e90\u8def\u5f84\uff08\u4f8b\u5982\u628a\u56de\u6e90\u653e\u5230\u9999\u6e2f\u670d\u52a1\u5668\u673a\u623f\uff09\u3002<\/p>\n<h2>\u4e00\u952e\u4fee\u590d\u601d\u8def\uff1a\u81ea\u52a8\u5316\u811a\u672c\u4e0e\u5e38\u7528\u7b56\u7565<\/h2>\n<p>\u5bf9\u4e8e\u8fd0\u7ef4\u56e2\u961f\uff0c\u624b\u52a8\u9010\u9879\u6392\u67e5\u8017\u65f6\u4e14\u5bb9\u6613\u51fa\u9519\u3002\u4e0b\u9762\u63d0\u4f9b\u4e00\u5957\u201c\u4e00\u952e\u68c0\u67e5\u4e0e\u4fee\u590d\u201d\u601d\u8def\uff0c\u80fd\u5728\u5927\u591a\u6570\u60c5\u5f62\u4e0b\u5feb\u901f\u6062\u590d\uff1a<\/p>\n<ul>\n<li><strong>\u81ea\u52a8\u5316\u68c0\u6d4b\u811a\u672c\uff08bash\/python\uff09<\/strong>\uff1a\u811a\u672c\u6309\u987a\u5e8f\u6267\u884c DNS \u9a8c\u8bc1\u3001\u7aef\u53e3\u68c0\u6d4b\u3001\u9632\u706b\u5899\u89c4\u5219\u68c0\u67e5\u3001SSL \u9a8c\u8bc1\u3001\u65e5\u5fd7\u62bd\u53d6\u4e0e\u7f51\u7edc\u8fde\u901a\u6027\u68c0\u6d4b\uff0c\u8f93\u51fa\u53ef\u8bfb\u62a5\u544a\u5e76\u63d0\u4f9b\u5efa\u8bae\u4fee\u590d\u547d\u4ee4\u3002<\/li>\n<li><strong>\u9884\u7f6e\u9632\u706b\u5899\u767d\u540d\u5355<\/strong>\uff1a\u81ea\u52a8\u4ece CDN \u63d0\u4f9b\u5546\u5904\u540c\u6b65\u56de\u6e90 IP \u6bb5\uff0c\u66f4\u65b0 iptables\/ufw \u89c4\u5219\u5e76\u6301\u4e45\u5316\u3002<\/li>\n<li><strong>\u670d\u52a1\u81ea\u6108\uff08Systemd + \u5065\u5eb7\u68c0\u67e5\uff09<\/strong>\uff1a\u82e5\u68c0\u6d4b\u5230 nginx\/apache \u8fdb\u7a0b\u5f02\u5e38\uff0c\u81ea\u52a8\u5c1d\u8bd5\u91cd\u542f\u5e76\u5728\u91cd\u542f\u5931\u8d25\u65f6\u56de\u6eda\u5230\u4e0a\u4e00\u4e2a\u5de5\u4f5c\u914d\u7f6e\u3002<\/li>\n<li><strong>\u8bc1\u4e66\u81ea\u52a8\u5316<\/strong>\uff1a\u901a\u8fc7 acme \u5ba2\u6237\u7aef\uff08\u5982 certbot\uff09\u81ea\u52a8\u7eed\u671f\u8bc1\u4e66\u5e76\u5728 CSR \u6216\u94fe\u53d8\u52a8\u65f6\u89e6\u53d1 CDN \u914d\u7f6e\u66f4\u65b0\u3002<\/li>\n<li><strong>\u56de\u6e90\u7b56\u7565\u5207\u6362<\/strong>\uff1a\u5f53\u68c0\u6d4b\u5230\u8de8\u5883\u56de\u6e90\u5ef6\u8fdf\u6216\u4e22\u5305\u8d85\u9608\u503c\u65f6\uff0c\u81ea\u52a8\u5c06\u56de\u6e90\u5207\u6362\u5230\u5c31\u8fd1\u8282\u70b9\uff08\u4f8b\u5982\u9999\u6e2f\u670d\u52a1\u5668\u96c6\u7fa4\uff09\u6216\u4f7f\u7528\u4e2d\u8f6c\u8282\u70b9\u4f5c\u4e3a\u4ee3\u7406\u3002<\/li>\n<\/ul>\n<p>\u5b9e\u73b0\u793a\u4f8b\uff08\u6982\u5ff5\u5c42\u9762\uff09\uff1a<\/p>\n<ul>\n<li>cron \u5b9a\u65f6\u89e6\u53d1\u68c0\u6d4b\u811a\u672c\uff0c\u751f\u6210\u62a5\u544a\u5e76\u53d1\u9001\u5230\u8fd0\u7ef4\u7fa4\u3002<\/li>\n<li>\u82e5\u68c0\u6d4b\u5230\u201c\u9632\u706b\u5899\u963b\u65ad+\u670d\u52a1\u6b63\u5e38\u201d\uff0c\u5219\u81ea\u52a8\u6ce8\u5165 CDN IP \u767d\u540d\u5355\u5e76\u901a\u77e5\u8fd0\u7ef4\u3002<\/li>\n<li>\u82e5\u68c0\u6d4b\u5230\u201c\u670d\u52a1\u5f02\u5e38\u201d\uff0c\u5219\u6267\u884c systemctl restart \u5e76\u5728 30 \u79d2\u5185\u91cd\u8bd5\u4e00\u6b21\uff0c\u82e5\u4ecd\u5931\u8d25\u89e6\u53d1\u56de\u6eda\u6216\u544a\u8b66\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u573a\u666f\u4e0e\u4f18\u52bf\u5bf9\u6bd4\uff1a\u9999\u6e2f\u4e0e\u7f8e\u56fd\u8282\u70b9\u7684\u9009\u62e9<\/h2>\n<p>\u5728\u9009\u62e9\u56de\u6e90\u4e0e\u90e8\u7f72\u8282\u70b9\u65f6\uff0c\u9700\u7efc\u5408\u8003\u8651\u76ee\u6807\u7528\u6237\u5206\u5e03\u4e0e\u7f51\u7edc\u6210\u672c\uff1a<\/p>\n<h3>\u9762\u5411\u4e2d\u56fd\u5927\u9646\u4e0e\u4e1c\u5357\u4e9a\u7528\u6237<\/h3>\n<p>\u9999\u6e2fVPS \u4e0e \u9999\u6e2f\u670d\u52a1\u5668 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