{"id":42120,"date":"2024-10-03T00:27:22","date_gmt":"2024-10-02T16:27:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/42120\/"},"modified":"2024-10-03T00:27:22","modified_gmt":"2024-10-02T16:27:22","slug":"cdn%e5%85%a5%e9%96%80-cdn%e5%a6%82%e4%bd%95%e6%8f%90%e4%be%9b%e5%85%a7%e5%ae%b9%e5%ae%8c%e6%95%b4%e6%80%a7%e9%a9%97%e8%ad%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/42120\/","title":{"rendered":"CDN\u5165\u9580 – CDN\u5982\u4f55\u63d0\u4f9b\u5167\u5bb9\u5b8c\u6574\u6027\u9a57\u8b49"},"content":{"rendered":"

CDN\u5165\u9580 – CDN\u5982\u4f55\u63d0\u4f9b\u5167\u5bb9\u5b8c\u6574\u6027\u9a57\u8b49<\/h1>\n

\u96a8\u8457\u7db2\u969b\u7db2\u8def\u7684\u5feb\u901f\u767c\u5c55\uff0c\u5167\u5bb9\u5206\u767c\u7db2\u8def\uff08CDN\uff09\u5df2\u6210\u70ba\u63d0\u5347\u7db2\u7ad9\u6027\u80fd\u548c\u5b89\u5168\u6027\u7684\u91cd\u8981\u5de5\u5177\u3002CDN\u4e0d\u50c5\u80fd\u52a0\u901f\u5167\u5bb9\u7684\u50b3\u905e\uff0c\u9084\u80fd\u63d0\u4f9b\u5167\u5bb9\u5b8c\u6574\u6027\u9a57\u8b49\uff0c\u78ba\u4fdd\u7528\u6236\u7372\u5f97\u7684\u6578\u64da\u662f\u6b63\u78ba\u4e14\u672a\u88ab\u7be1\u6539\u7684\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eCDN\u5982\u4f55\u5be6\u73fe\u5167\u5bb9\u5b8c\u6574\u6027\u9a57\u8b49\uff0c\u4ee5\u53ca\u5176\u5728\u73fe\u4ee3\u7db2\u7d61\u74b0\u5883\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n

\u4ec0\u9ebc\u662fCDN\uff1f<\/h2>\n

\u5167\u5bb9\u5206\u767c\u7db2\u8def\uff08CDN\uff09\u662f\u4e00\u7a2e\u7531\u591a\u500b\u4f3a\u670d\u5668\u7d44\u6210\u7684\u5206\u4f48\u5f0f\u7db2\u7d61\uff0c\u65e8\u5728\u5c07\u5167\u5bb9\uff08\u5982\u5716\u7247\u3001\u8996\u983b\u3001\u7db2\u9801\u7b49\uff09\u5feb\u901f\u50b3\u905e\u7d66\u7528\u6236\u3002CDN\u901a\u904e\u5c07\u5167\u5bb9\u7de9\u5b58\u5230\u9760\u8fd1\u7528\u6236\u7684\u4f3a\u670d\u5668\u4e0a\uff0c\u6e1b\u5c11\u4e86\u6578\u64da\u50b3\u8f38\u7684\u5ef6\u9072\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u7db2\u7ad9\u7684\u52a0\u8f09\u901f\u5ea6\u548c\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n

\u5167\u5bb9\u5b8c\u6574\u6027\u9a57\u8b49\u7684\u5fc5\u8981\u6027<\/h2>\n

\u5728\u6578\u64da\u50b3\u8f38\u904e\u7a0b\u4e2d\uff0c\u5167\u5bb9\u53ef\u80fd\u6703\u53d7\u5230\u5404\u7a2e\u56e0\u7d20\u7684\u5f71\u97ff\u800c\u767c\u751f\u8b8a\u5316\uff0c\u4f8b\u5982\u7db2\u7d61\u6545\u969c\u3001\u9ed1\u5ba2\u653b\u64ca\u6216\u4f3a\u670d\u5668\u932f\u8aa4\u3002\u56e0\u6b64\uff0c\u78ba\u4fdd\u5167\u5bb9\u7684\u5b8c\u6574\u6027\u81f3\u95dc\u91cd\u8981\u3002\u5167\u5bb9\u5b8c\u6574\u6027\u9a57\u8b49\u53ef\u4ee5\u5e6b\u52a9\u6aa2\u6e2c\u548c\u9632\u6b62\u6578\u64da\u7be1\u6539\uff0c\u4fdd\u8b77\u7528\u6236\u7684\u5b89\u5168\u548c\u96b1\u79c1\u3002<\/p>\n

CDN\u5982\u4f55\u5be6\u73fe\u5167\u5bb9\u5b8c\u6574\u6027\u9a57\u8b49<\/h2>\n

CDN\u901a\u5e38\u4f7f\u7528\u4ee5\u4e0b\u5e7e\u7a2e\u6280\u8853\u4f86\u5be6\u73fe\u5167\u5bb9\u5b8c\u6574\u6027\u9a57\u8b49\uff1a<\/p>\n

1. \u6578\u5b57\u7c3d\u540d<\/h3>\n

\u6578\u5b57\u7c3d\u540d\u662f\u4e00\u7a2e\u52a0\u5bc6\u6280\u8853\uff0c\u901a\u904e\u5c0d\u5167\u5bb9\u9032\u884c\u54c8\u5e0c\u904b\u7b97\u4e26\u4f7f\u7528\u79c1\u9470\u9032\u884c\u7c3d\u540d\uff0c\u4f86\u78ba\u4fdd\u5167\u5bb9\u5728\u50b3\u8f38\u904e\u7a0b\u4e2d\u672a\u88ab\u7be1\u6539\u3002\u7528\u6236\u5728\u63a5\u6536\u5167\u5bb9\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u516c\u9470\u4f86\u9a57\u8b49\u6578\u5b57\u7c3d\u540d\u7684\u6709\u6548\u6027\u3002<\/p>\n

function verifySignature(content, signature, publicKey) {\n    \/\/ \u4f7f\u7528\u516c\u9470\u9a57\u8b49\u6578\u5b57\u7c3d\u540d\n    return crypto.verify('SHA256', content, publicKey, signature);\n}\n<\/code><\/pre>\n
2. \u54c8\u5e0c\u6821\u9a57<\/h3>\n
\u54c8\u5e0c\u6821\u9a57\u662f\u53e6\u4e00\u7a2e\u5e38\u898b\u7684\u5b8c\u6574\u6027\u9a57\u8b49\u65b9\u6cd5\u3002CDN\u5728\u50b3\u8f38\u5167\u5bb9\u6642\uff0c\u6703\u751f\u6210\u5167\u5bb9\u7684\u54c8\u5e0c\u503c\uff0c\u4e26\u5c07\u5176\u8207\u539f\u59cb\u5167\u5bb9\u4e00\u8d77\u767c\u9001\u3002\u7528\u6236\u5728\u63a5\u6536\u5167\u5bb9\u5f8c\uff0c\u53ef\u4ee5\u91cd\u65b0\u8a08\u7b97\u54c8\u5e0c\u503c\u4e26\u8207\u63a5\u6536\u5230\u7684\u54c8\u5e0c\u503c\u9032\u884c\u6bd4\u8f03\uff0c\u4ee5\u78ba\u4fdd\u5167\u5bb9\u7684\u5b8c\u6574\u6027\u3002<\/p>\n
function calculateHash(content) {\n    return crypto.createHash('sha256').update(content).digest('hex');\n}\n<\/code><\/pre>\n
3. HTTPS\u52a0\u5bc6<\/h3>\n
\u4f7f\u7528HTTPS\u5354\u8b70\u53ef\u4ee5\u52a0\u5bc6\u6578\u64da\u50b3\u8f38\u904e\u7a0b\uff0c\u9632\u6b62\u4e2d\u9593\u4eba\u653b\u64ca\u548c\u6578\u64da\u7be1\u6539\u3002CDN\u901a\u5e38\u6703\u652f\u6301HTTPS\uff0c\u78ba\u4fdd\u7528\u6236\u8207\u4f3a\u670d\u5668\u4e4b\u9593\u7684\u901a\u4fe1\u662f\u5b89\u5168\u7684\u3002<\/p>\n
CDN\u7684\u5176\u4ed6\u5b89\u5168\u529f\u80fd<\/h2>\n
\u9664\u4e86\u5167\u5bb9\u5b8c\u6574\u6027\u9a57\u8b49\uff0cCDN\u9084\u63d0\u4f9b\u5176\u4ed6\u5b89\u5168\u529f\u80fd\uff0c\u4f8b\u5982DDoS\u9632\u8b77\u3001Web\u61c9\u7528\u9632\u706b\u7246\uff08WAF\uff09\u548cBot\u7ba1\u7406\u7b49\uff0c\u9019\u4e9b\u529f\u80fd\u5171\u540c\u63d0\u5347\u4e86\u7db2\u7ad9\u7684\u5b89\u5168\u6027\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u5167\u5bb9\u5b8c\u6574\u6027\u9a57\u8b49\u662fCDN\u7684\u91cd\u8981\u529f\u80fd\u4e4b\u4e00\uff0c\u80fd\u5920\u6709\u6548\u4fdd\u8b77\u7528\u6236\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u53ef\u9760\u6027\u3002\u96a8\u8457\u7db2\u7d61\u653b\u64ca\u624b\u6bb5\u7684\u65e5\u76ca\u589e\u591a\uff0c\u9078\u64c7\u4e00\u500b\u5177\u5099\u5f37\u5927\u5167\u5bb9\u5b8c\u6574\u6027\u9a57\u8b49\u80fd\u529b\u7684CDN\u670d\u52d9\u63d0\u4f9b\u5546\u986f\u5f97\u5c24\u70ba\u91cd\u8981\u3002\u5c0d\u65bc\u5e0c\u671b\u63d0\u5347\u7db2\u7ad9\u6027\u80fd\u548c\u5b89\u5168\u6027\u7684\u4f01\u696d\u4f86\u8aaa\uff0cCDN\u7121\u7591\u662f\u4e00\u500b\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u3002<\/p>\n
\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dcVPS<\/a><\/code>\u548c\u9999\u6e2f\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3CDN\u5982\u4f55\u900f\u904e\u5167\u5bb9\u5b8c\u6574\u6027\u9a57\u8b49\u78ba\u4fdd\u6578\u64da\u5b89\u5168\uff0c\u63d0\u5347\u7db2\u7ad9\u6027\u80fd\u8207\u7528\u6236\u9ad4\u9a57\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":[],"class_list":["post-42120","post","type-post","status-publish","format-standard","hentry","category-4928"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/42120","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=42120"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/42120\/revisions"}],"predecessor-version":[{"id":42121,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/42120\/revisions\/42121"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=42120"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=42120"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=42120"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}