{"id":230,"date":"2015-12-26T15:51:29","date_gmt":"2015-12-26T15:51:29","guid":{"rendered":"http:\/\/www.inforsec.org\/wp\/?p=230"},"modified":"2015-12-31T04:14:12","modified_gmt":"2015-12-31T04:14:12","slug":"nsa%e5%a6%82%e4%bd%95%e7%aa%83%e5%90%acgoogle%e5%92%8cyahoo%e7%9a%84%e5%8a%a0%e5%af%86%e6%b5%81%e9%87%8f-%e5%bd%93https%e9%81%87%e5%88%b0cdn","status":"publish","type":"post","link":"http:\/\/202.112.238.40\/wp\/?p=230","title":{"rendered":"NSA\u5982\u4f55\u7a83\u542cGoogle\u7684\u52a0\u5bc6\u6d41\u91cf\u2014\u2014\u5f53HTTPS\u9047\u5230CDN"},"content":{"rendered":"<p>\u4f5c\u8005\uff1a\u6bb5\u6d77\u65b0\uff0c\u5355\u4f4d\uff1a\u6e05\u534e\u5927\u5b66; \u5173\u952e\u8bcd\uff1aHTTPS, CDN, PKI\uff0cCA\uff0cCertificate, Delegation, DANE.<\/p>\n<div>\u00a0 \u00a0 \u00a0 \u00a0 \u534e\u76db\u987f\u90ae\u62a5\u66fe\u6839\u636e\u65af\u8bfa\u767b\u6cc4\u9732\u51fa\u6765\u7684PPT\uff08\u56fe1\uff09\u62a5\u9053\u8fc7\u7f8e\u56fd\u56fd\u5bb6\u5b89\u5168\u5c40\uff08NSA\uff09\u5728\u4e91\u7aef\u76d1\u542cGoogle\uff08\u5305\u62ecGmail\uff09\u548cYahoo\u7528\u6237\u7684\u52a0\u5bc6\u901a\u4fe1[1]\u3002\u7136\u800c\u6211\u4eec\u77e5\u9053Gmail\u662f\u4f7f\u7528TLS\u4fdd\u62a4\u7684\uff0cNSA\u662f\u5982\u4f55\u7834\u89e3Google\u7684TLS\u52a0\u5bc6\u901a\u4fe1\u7684\u5462\uff1f<\/div>\n<div><a href=\"http:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2015\/12\/GOOGLE-CLOUD-EXP1.jpg\" rel=\"attachment wp-att-248\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-248\" src=\"http:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2015\/12\/GOOGLE-CLOUD-EXP1-300x262.jpg\" alt=\"GOOGLE-CLOUD-EXP1\" width=\"572\" height=\"499\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2015\/12\/GOOGLE-CLOUD-EXP1-300x262.jpg 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2015\/12\/GOOGLE-CLOUD-EXP1-171x150.jpg 171w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2015\/12\/GOOGLE-CLOUD-EXP1-150x131.jpg 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2015\/12\/GOOGLE-CLOUD-EXP1.jpg 1262w\" sizes=\"auto, (max-width: 572px) 100vw, 572px\" \/><\/a><\/div>\n<div>\u56fe1. \u7f8e\u56fdNSA\u548c\u82f1\u56fdGCHQ\u8054\u5408\u8ba1\u5212MUSCULAR\u4e2d\uff0cNSA\u548cGCHQ\u7ed5\u8fc7TLS\u52a0\u5bc6\uff0c\u5728\u4e91\u7aef\u76d1\u542c\u540e\u7aef\u7684\u660e\u6587\u901a\u4fe1\u3002<\/div>\n<div><\/div>\n<p><!--more--><\/p>\n<h3><strong>1. \u95ee\u9898\u5206\u6790\u4e0e\u6d4b\u8bd5<\/strong><\/h3>\n<div>\u00a0 \u00a0 \u00a0 \u00a0 \u76ee\u524d\u4e3b\u6d41\u7f51\u7ad9\u90fd\u4f9d\u8d56HTTPS\uff08HTTP over TLS\/SSL\uff09\u5b9e\u73b0\u670d\u52a1\u5668\u8ba4\u8bc1\u3001\u6570\u636e\u52a0\u5bc6\u548c\u5b8c\u6574\u6027\u4fdd\u62a4\uff0c\u6bd4\u5982Google\u51e0\u4e4e\u6240\u6709\u5e94\u7528\u90fd\u5728HTTPS\u7684\u4fdd\u62a4\u4e4b\u4e0b\u3002\u540c\u65f6\uff0c\u4e3b\u6d41\u7f51\u7ad9\u4e5f\u666e\u904d\u4f7f\u7528\u4e86CDN\uff08Content Delivery Network\uff09\u6280\u672f\uff08\u867d\u7136\u6709\u4e9b\u4e92\u8054\u7f51\u516c\u53f8\u4f7f\u7528\u81ea\u5df1\u5f00\u53d1\u7684\u7c7b\u4f3c\u5e73\u53f0\uff0c\u4ed6\u4eec\u5e76\u4e0d\u53ebCDN\u8fd9\u4e2a\u540d\u5b57\uff09\uff0c\u7528\u4ee5\u63d0\u9ad8\u7f51\u7ad9\u7684\u6027\u80fd\u3001\u53ef\u9760\u6027\u548c\u5b89\u5168\u6027\u3002\u76ee\u524d\uff0cHTTPS\u548cCDN\u6280\u672f\u51e0\u4e4e\u90fd\u5df2\u6210\u4e3a\u5546\u4e1a\u7f51\u7ad9\u5fc5\u987b\u7684\u57fa\u7840\u670d\u52a1\u3002<\/div>\n<div><\/div>\n<div>\u00a0 \u00a0 \u00a0 \u00a0 \u7136\u800c\u957f\u671f\u4ee5\u6765\uff0cHTTPS\u548cCDN\u4e24\u79cd\u6280\u672f\u7684\u8bbe\u8ba1\u548c\u53d1\u5c55\u662f\u72ec\u7acb\u7684\uff0cHTTPS\u8bbe\u8ba1\u4e4b\u521d\u662f\u4e00\u79cd\u7aef\u5230\u7aef\uff08End-to-End\uff09\u7684\u534f\u8bae\uff0c\u800cCDN\u5374\u662f\u4ee5\u4e2d\u95f4\u4eba\uff08Man in the Middle)\u7684\u65b9\u5f0f\u5de5\u4f5c\u3002\u539f\u59cb\u7f51\u7ad9\u662f\u5982\u4f55\u6388\u6743\u7ed9\u4e2d\u95f4\u7684CDN\u5382\u5546\u3001\u5982\u4f55\u5b8c\u6210\u6d4f\u89c8\u5668-CDN-\u539f\u59cb\u7f51\u7ad9\u4e4b\u95f4\u7684\u8eab\u4efd\u8ba4\u8bc1\u3001\u79d8\u94a5\u4ea4\u6362\u548c\u6570\u636e\u4fdd\u62a4\uff0c\u4ee5\u53ca\u5982\u4f55\u64a4\u9500\u8fd9\u79cd\u6388\u6743\uff0c\u65e0\u8bba\u5b66\u672f\u754c\u8fd8\u662f\u5de5\u4e1a\u5728\u4ee5\u524d\u90fd\u6ca1\u6709\u6ca1\u6709\u7cfb\u7edf\u6027\u7684\u8003\u8651\u3002<\/div>\n<div><\/div>\n<div>\u00a0 \u00a0 \u00a0 \u00a0 \u6211\u4eec\u5728Oakland\u201914\uff08IEEE Symposim on Security &amp; Privacy\uff09\u53d1\u8868\u4e86\u8bba\u6587\u201cWhen\u00a0HTTPS\u00a0Meets\u00a0CDN:\u00a0 A Case of\u00a0 Authentication\u00a0in Delegated\u00a0Service\u201d[2]\uff0c\u9996\u6b21\u63d0\u51fa\u4e86HTTPS\u5728CDN\u73af\u5883\u4e2d\u6388\u6743\u670d\u52a1\u7684\u8ba4\u8bc1\u95ee\u9898\uff0c\u628a\u4e24\u79cd\u6280\u672f\u7ed3\u5408\u5728\u4e00\u8d77\u8fdb\u884c\u4e86\u7cfb\u7edf\u6027\u7684\u7814\u7a76\u3002\u6211\u4eec\u8c03\u7814\u4e86Akamai\u3001CloudFlare\u7b49\u4e16\u754c\u4e0a\u4e3b\u6d41\u768420\u4e2aCDN\u670d\u52a1\u5546\uff0c\u4ee5\u53ca\u4e00\u4e07\u591a\u4e2a\u652f\u6301HTTPS\u7684\u70ed\u95e8\u7f51\u7ad9\uff08\u540c\u65f6\u4e5f\u662f\u4e0a\u8ff020\u4e2aCDN\u5382\u5546\u7684\u5ba2\u6237\uff09\uff0c\u63ed\u793a\u51fa\u4e86\u5f53\u524dHTTPS\u5728CDN\u90e8\u7f72\u4e2d\u7684\u8bb8\u591a\u95ee\u9898\u3002<\/div>\n<div>\u00a0 \u00a0 \u00a0 \u00a0 \u9996\u5148\u662fCDN\u8282\u70b9\u548c\u540e\u53f0\u6e90\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u5f88\u5bb9\u6613\u53d7\u5230\u4e2d\u95f4\u4eba\u653b\u51fb\uff08\u56fe2\uff09\uff1a\u6211\u4eec\u6d4b\u8bd5\u4e865\u4e2aCDN\u5382\u5546\u7684\u540e\u53f0\u901a\u4fe1\uff0c\u53d1\u73b0\u5c3d\u7ba1\u6d4f\u89c8\u5668\u5230CDN\u8282\u70b9\u7684\u901a\u4fe1\u4f7f\u7528HTTPS\u52a0\u5bc6\uff0c\u6709\u7684\u5382\u5546\u4f7f\u7528\u660e\u6587\u7684HTTP\u4e0e\u540e\u53f0\u670d\u52a1\u5668\u8fdb\u884c\u901a\u4fe1\uff08CDN77\u3001CDN.NET\uff09\uff1b\u6709\u7684\u5382\u5546\u867d\u7136\u4f7f\u7528\u4e86HTTPS\uff0c\u5374\u4e0d\u9a8c\u8bc1\u8bc1\u4e66\u7684\u6709\u6548\u6027\uff08\u5373\u53ef\u4ee5\u4f7f\u7528\u81ea\u7b7e\u540d\u7684\u8bc1\u4e66\u4f2a\u9020\u4efb\u4f55\u7f51\u7ad9\uff0c\u5b58\u5728\u95ee\u9898\u7684\u5382\u5546\u5305\u62ecCloudFlare\u548cInCapsula\uff09\uff1b\u6709\u7684\u5382\u5546\uff08\u5982Amazon\u516c\u53f8\u7684CloudFront)\u867d\u7136\u8981\u6c42\u5408\u6cd5\u8bc1\u4e66\uff0c\u4f46\u662f\u5374\u4e0d\u9a8c\u8bc1\u8bc1\u4e66\u7684Common Name\u3002<\/div>\n<div><a href=\"http:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2015\/12\/CDN-Backend.jpg\" rel=\"attachment wp-att-264\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-264 aligncenter\" src=\"http:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2015\/12\/CDN-Backend-300x90.jpg\" alt=\"CDN-Backend\" width=\"481\" height=\"144\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2015\/12\/CDN-Backend-300x90.jpg 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2015\/12\/CDN-Backend-768x230.jpg 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2015\/12\/CDN-Backend-1024x306.jpg 1024w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2015\/12\/CDN-Backend-250x75.jpg 250w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2015\/12\/CDN-Backend-150x45.jpg 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2015\/12\/CDN-Backend.jpg 1030w\" sizes=\"auto, (max-width: 481px) 100vw, 481px\" \/><\/a><\/div>\n<div style=\"text-align: center;\">\u56fe2.\u6709\u4e9bCDN\u7684\u540e\u7aef\u901a\u4fe1\u4f7f\u7528\u4e0d\u52a0\u5bc6\u7684HTTP\u8fdb\u884c\u4f20\u8f93<\/div>\n<div>\u00a0 \u00a0 \u00a0 \u00a0 \u5176\u6b21\u662f\u6d4f\u89c8\u5668\u548cCDN\u8282\u70b9\u4e4b\u95f4\u7684\u6388\u6743\u8ba4\u8bc1\u95ee\u9898\u3002\u6211\u4eec\u53d1\u73b0\u5f88\u591aCDN\u5382\u5546\u8981\u6c42\u6e90\u7f51\u7ad9\u63d0\u4ea4\u81ea\u5df1\u7684\u516c\u94a5\u8bc1\u4e66\u548c\u79c1\u94a5\uff0c\u8fd9\u4e25\u91cd\u7834\u574f\u4e86PKI\u5b89\u5168\u4fe1\u4efb\u7684\u57fa\u672c\u539f\u5219\uff0c\u5373\u79c1\u94a5\u5fc5\u987b\u662f\u4e25\u683c\u4fdd\u5bc6\u3001\u4e0d\u80fd\u4e0e\u7b2c\u4e09\u65b9\u5171\u4eab\u7684\u3002\u5c3d\u7ba1\u4e5f\u6709\u66ff\u4ee3\u7684\u65b9\u6848\u4e0d\u8981\u6c42\u7528\u6237\u5171\u4eab\u79c1\u94a5\uff0c\u6bd4\u5982\u4f7f\u7528\u5ba2\u6237\u8bc1\u4e66\uff08Custom Certificate\uff09\u6216\u8005\u5171\u4eab\u8bc1\u4e66\uff08Shared Certificate\uff09\u65b9\u6848\uff0c\u4f46\u662f\u79d8\u94a5\u7ba1\u7406\u590d\u6742\uff0c\u5ba2\u6237\u7f51\u7ad9\u65e0\u6cd5\u81ea\u4e3b\u7684\u64a4\u9500\u81ea\u5df1\u5bf9CDN\u5382\u5546\u7684\u6388\u6743\uff0c\u4f5c\u4e3a\u53ef\u4fe1\u7b2c\u4e09\u65b9\u7684CA\u4e5f\u6ca1\u6709\u64a4\u9500\u4f53\u73b0\u6388\u6743\u5173\u7cfb\u7684\u5171\u4eab\u8bc1\u4e66\u3002<\/div>\n<div>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u5177\u4f53\u7ec6\u8282\u53ef\u4ee5\u53c2\u8003\u6211\u4eec\u7684\u8bba\u6587\u539f\u6587\u548cOakland\u4f1a\u4e0a\u6240\u4f5c\u62a5\u544a\u7684Slides[2]\u3002<\/div>\n<div><\/div>\n<h3>2. \u5b9e\u9645\u653b\u51fb\u7684\u6848\u4f8b<\/h3>\n<div>\u00a0 \u00a0 \u00a0 \u00a0 \u5728\u73b0\u5b9e\u4e92\u8054\u7f51\u4e2d\uff0c\u4e2d\u56fd\u6559\u80b2\u548c\u79d1\u7814\u7f51\u5e94\u6025\u54cd\u5e94\u7ec4CCERT\u57282014\u5e74\u521d\u66fe\u7ecf\u6536\u5230\u8fc7\u7c7b\u4f3c\u7684\u653b\u51fb\u62a5\u544a\uff0c\u82f9\u679c\u516c\u53f8\uff08Apple\uff09\u4f7f\u7528\u7684CDN\u5382\u5546Akamai\u7684\u67d0\u4e9b\u8282\u70b9\u5df2\u7ecf\u53d7\u5230\u4e86\u7c7b\u4f3c\u7684\u653b\u51fb\uff0c\u5bfc\u81f4\u82f9\u679c\u516c\u53f8\u6e90\u7f51\u7ad9\u4e0a\u7684JavaScript\u9875\u9762\u88ab\u66ff\u6362\u6210\u4e86\u7ffb\u5899\u8f6f\u4ef6\u81ea\u7531\u95e8\u7684\u4f7f\u7528\u624b\u518c\u3002\u6211\u4eec\u4e0eAkamai\u7684\u6280\u672f\u4eba\u5458\u786e\u8ba4\u8fc7\uff0c\u7684\u786e\u662f\u4ed6\u4eec\u7684CDN\u8282\u70b9\u548c\u540e\u53f0\u7684\u670d\u52a1\u5668\u4e4b\u95f4\u4f7f\u7528HTTP\u534f\u8bae\u4f20\u8f93\uff0c\u5bfc\u81f4\u901a\u4fe1\u88ab\u52ab\u6301\uff0c\u67d0\u4e9bCDN\u8282\u70b9\u7684\u7f13\u5b58\u6570\u636e\u88ab\u6c61\u67d3\u4e86\u3002<\/div>\n<div><\/div>\n<div>\u00a0 \u00a0 \u00a0 \u00a0 \u672c\u6587\u4e00\u5f00\u59cb\u7684\u95ee\u9898\uff0c\u4e5f\u662f\u7531\u4e8eHTTPS\u5728CDN\u5b9e\u73b0\u4e2d\u7684\u95ee\u9898\u6240\u81f4\u3002\u6839\u636e\u65af\u8bfa\u767b\u6cc4\u9732\u51fa\u6765\u7684PPT(\u56fe1)\uff0c\u6211\u4eec\u77e5\u9053\u7f8e\u56fd\u56fd\u5bb6\u5b89\u5168\u5c40\uff08NSA\uff09\u548c\u82f1\u56fd\u7684\u60c5\u62a5\u673a\u6784GCHQ\u5728\u4ed6\u4eec\u8054\u5408\u8ba1\u5212MUSCULAR\u4e2d\uff0c\u4ed6\u4eec\u4e5f\u4f7f\u7528\u4e86\u7c7b\u4f3c\u7684\u6280\u672f\u76d1\u542cYahoo\u548cGoogle\u7684\u901a\u4fe1\uff1a\u7531\u4e8e\u7c7b\u4f3cCDN\u7684GFE\uff08Google Front Engine\uff09\u4e0e\u63d0\u4f9b\u5185\u5bb9\u7684\u540e\u53f0\u670d\u52a1\u5668\u4f7f\u7528\u4e86\u4e0d\u52a0\u5bc6\u6216\u5b89\u5168\u6027\u8f83\u5f31\u7684\u901a\u4fe1\u534f\u8bae\uff0cNSA\u548cGCHQ\u53ef\u4ee5\u7ed5\u8fc7\u6d4f\u89c8\u5668\u7aef\u548cCDN\u4e4b\u95f4\u7684TLS\uff0c\u5728\u540e\u53f0\u76f4\u63a5\u76d1\u542c\u660e\u6587\u7684\u901a\u4fe1\u3002\u6b63\u5982\u56fe\u7075\u5956\u5f97\u4e3b\u3001\u8457\u540d\u5bc6\u7801\u4e13\u5bb6A. Shamir\u6240\u8a00\uff1a\u201cCryptography is typically bypassed, not penetrated.\u201d<\/div>\n<div><\/div>\n<h3>\u00a03.\u89e3\u51b3\u65b9\u6848<\/h3>\n<div>\n<div>\u00a0 \u00a0 \u00a0 \u00a0 \u5728\u8bba\u6587\u7684\u64b0\u5199\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u5411\u6d89\u53ca\u5230\u7684CDN\u5382\u5546\u90fd\u901a\u62a5\u4e86\u8fd9\u4e00\u95ee\u9898\uff0c\u5e76\u548cCloudFlare\u3001Akamai\u7b49\u516c\u53f8\u7684\u6280\u672f\u4eba\u5458\u6709\u8fc7\u591a\u6b21\u4ea4\u6d41\uff0c\u6211\u4eec\u6240\u62a5\u544a\u7684\u95ee\u9898\u5f97\u5230\u4e86\u6240\u6709\u8054\u7cfb\u5230\u7684\u4ea7\u5546\u7684\u8ba4\u53ef\u3002\u5176\u4e2d\uff0cCloudFlare \u516c\u53f8\u5728\u5f97\u5230\u6211\u4eec\u8bba\u6587\u540e\uff0c\u5f88\u5feb\u63a8\u51fa\u4e86\u66f4\u52a0\u5b89\u5168\u7684\u670d\u52a1 <a href=\"http:\/\/blog.cloudflare.com\/introducing-strict-ssl-protecting-against-a-man-in-the-middle-attack-on-origin-traffic\">Strict SSL<\/a>[4]\uff0c\u5e76\u5ba3\u79f0\u8fd9\u4e00\u670d\u52a1\u53ef\u4ee5\u632b\u8d25NSA\u5bf9\u540e\u53f0\u901a\u4fe1\u7684\u76d1\u542c\u3002<\/div>\n<div>\u00a0 \u00a0 \u00a0 \u00a0 \u7136\u800c\u6d4f\u89c8\u5668\u548cCDN\u524d\u7aef\u7684\u6388\u6743\u95ee\u9898\u5374\u4e0d\u53ea\u662f\u5b9e\u73b0\u4e0a\u7684\u95ee\u9898\u3002\u4e3a\u89e3\u51b3\u8fd9\u4e00HTTPS\u5728CDN\u670d\u52a1\u4e2d\u7684\u6388\u6743\u95ee\u9898\uff0c\u6211\u4eec\u5728\u8bba\u6587\u4e2d\u63d0\u51fa\u5e76\u5b9e\u73b0\u4e86\u4e00\u4e2a\u57fa\u4e8eDANE[3]\u7684\u8f7b\u91cf\u7ea7\u7684\u89e3\u51b3\u65b9\u6848\uff0cDANE(DNS-based Authentication of Named Entities\uff09\u662fIETF \u5236\u5b9a\u7684\u6807\u51c6\u4ee5\u5b8c\u5584Web \u7f51\u7ad9\u7684PKI\u4fe1\u4efb\u6a21\u578b\u3002\u6211\u4eec\u7684\u5b9e\u73b0\u8868\u660e\uff0c\u5728CDN\u73af\u5883\u4e0b\u5b9e\u73b0\u5b89\u5168\u3001\u9ad8\u6548\u7684HTTPS\u901a\u4fe1\u662f\u53ef\u884c\u7684\uff0c\u4f46\u662f\u7531\u4e8eDNSSec\u548cDANE\u7684\u90e8\u7f72\u5e76\u4e0d\u666e\u53ca\uff0c\u8fd9\u4e00\u65b9\u6848\u79bb\u5de5\u4e1a\u754c\u7684\u666e\u904d\u90e8\u7f72\u8fd8\u6709\u4e00\u5b9a\u7684\u8ddd\u79bb\u3002\u6211\u4eec\u5e0c\u671b\u63a8\u8fdbCDN\u548c\u5b89\u5168\u9886\u57df\u4e2d\u8fdb\u4e00\u6b65\u7684\u7814\u7a76\uff0c\u5e0c\u671b\u6709\u66f4\u52a0\u6709\u6548\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/div>\n<\/div>\n<div>\u00a0 \u00a0 \u00a0 \u00a0 \u672c\u6587\u7684\u7b2c\u4e00\u4f5c\u8005\u6881\u9526\u6d25\u535a\u58eb\u8fd8\u53c2\u4e0e\u4e86CloudFlare\u516c\u53f8\u540e\u6765\u7684\u4e00\u79cd\u89e3\u51b3\u65b9\u6848\u2014\u2014Keyless SSL[5]\u7684\u5f00\u53d1\u548c\u6d4b\u8bd5\u5de5\u4f5c\u3002\u8fd9\u4e00\u65b9\u6848\u4e0d\u8981\u6c42\u5ba2\u6237\u7f51\u7ad9\u4e0eCDN\u5171\u4eab\u79c1\u94a5\uff0c\u800c\u662f\u5728CDN\u5728\u4e0e\u524d\u7aef\u6d4f\u89c8\u5668\u8fdb\u884cTLS\u7684\u8ba4\u8bc1\u548c\u79d8\u94a5\u534f\u5546\u8fc7\u7a0b\u4e2d\uff0c\u901a\u8fc7\u5b89\u5168\u7684\u4fe1\u9053\u628a\u534f\u5546\u8fc7\u7a0b\u4e2d\u7684\u4fe1\u606f\u8f6c\u53d1\u7ed9\u6e90\u7f51\u7ad9\uff0c\u7531\u6e90\u7f51\u7ad9\u63d0\u53d6\u4f1a\u8bdd\u79d8\u94a5\u6216\u5b8c\u6210\u7b7e\u540d\u4ee5\u540e\u518d\u63d0\u4ea4\u7ed9CDN\u8282\u70b9\u3002\u7531\u4e8eTLS\u7684\u901a\u4fe1\u8fc7\u7a0b\u4e2d\u53ea\u6709\u63e1\u624b\u8fc7\u7a0b\u4e2d\u624d\u7528\u5230Private Key\uff0c\u4ee5\u540e\u7684\u901a\u4fe1\u8fc7\u7a0b\u4e0e\u6e90\u7f51\u7ad9\u65e0\u5173\u3002\u6e05\u534e\u5927\u5b66\u8ba1\u7b97\u673a\u7cfb\u5f20\u9053\u7ef4\u7684\u672c\u79d1\u6bd5\u4e1a\u8bbe\u8ba1\u5b8c\u6210\u4e86Keyless SSL\u7684\u7684\u90e8\u5206\u5b9e\u73b0\uff0c\u5b9e\u73b0\u4e2d\u4fee\u6539\u4e86OpenSSL\u548cNgnix\u7684\u90e8\u5206\u6e90\u4ee3\u7801\uff0c\u6bd4\u8f83\u590d\u6742\uff0c\u8fd8\u6709\u5f88\u5927\u6539\u8fdb\u7684\u7a7a\u95f4\u3002<\/div>\n<div>\u00a0 \u00a0 \u00a0 \u00a0 \u53d7\u672c\u8bba\u6587\u7684\u5f71\u54cd\uff0c\u4e92\u8054\u7f51\u6807\u51c6\u7ec4\u7ec7IETF\u7684CDN\u4e92\u8054\u5de5\u4f5c\u7ec4\uff08CDNI\uff09\u5f00\u59cb\u8ba8\u8bbaCDN\u53caCDNI\u4e92\u8054\u7684\u7f51\u7edc\u73af\u5883\u4e2d\u52a0\u5bc6\u6d41\u91cf\u7684\u6388\u6743\u95ee\u9898[6]\uff0c\u8fd8\u6ca1\u6709\u5f62\u6210\u6700\u7ec8\u7684\u89e3\u51b3\u65b9\u6848\u3002\u56e0\u4e3a\u6700\u521d\u7684\u4e92\u8054\u7f51\u8bbe\u8ba1\u539f\u5219\u4e4b\u4e00\u662f\u7aef\u5230\u7aef\uff0c\u800c\u4eca\u5929\u8bb8\u591a\u4e2d\u95f4\u76d2\u5b50\uff08Middle Box\uff09\u4f7f\u5f97\u4e92\u8054\u7f51\u5230\u5904\u90fd\u662f\u4e2d\u95f4\u4eba\uff0c\u7c7b\u4f3cHTTPS\u5728CDN\u4e2d\u7684\u95ee\u9898\u5c06\u666e\u904d\u5b58\u5728\uff0c\u8bb8\u591a\u95ee\u9898\u503c\u5f97\u6211\u4eec\u8fdb\u4e00\u6b65\u7814\u7a76\uff0c\u4e5f\u6b22\u8fce\u6709\u5174\u8da3\u7684\u7814\u7a76\u8005\u3001CDN\u5382\u5546\u7684\u6280\u672f\u4eba\u5458\u548c\u6211\u4eec\u5408\u4f5c\u7814\u7a76\u3002<\/div>\n<div><\/div>\n<h3>\u00a0\u4f5c\u8005\u7b80\u4ecb<\/h3>\n<div>\u00a0 \u00a0 \u00a0 \u00a0 \u6bb5\u6d77\u65b0\uff0c\u6e05\u534e\u5927\u5b66\u7f51\u7edc\u79d1\u5b66\u4e0e\u7f51\u7edc\u7a7a\u95f4\u7814\u7a76\u9662\u7814\u7a76\u5458\uff0c\u7f51\u7edc\u4e0e\u4fe1\u606f\u5b89\u5168\u5b9e\u9a8c\u5ba4\uff08NISL\uff09\u4e3b\u4efb\uff0cCCERT\u5e94\u6025\u54cd\u5e94\u7ec4\u8d1f\u8d23\u4eba\uff0c\u52a0\u5dde\u5927\u5b66Berkeley\u8bbf\u95ee\u5b66\u8005\uff0c\u84dd\u83b2\u82b1\u6218\u961f\uff08Blue-Lotus)\u8054\u5408\u521b\u59cb\u4eba\u3002\u957f\u671f\u4ece\u4e8b\u7f51\u7edc\u5b89\u5168\u76f8\u5173\u7684\u6559\u5b66\u548c\u7814\u7a76\uff0c\u91cd\u70b9\u5173\u6ce8DNS\u3001CDN\u3001PKI\u3001Web\u3001TLS\u7b49\u57fa\u7840\u8bbe\u65bd\u548c\u57fa\u7840\u534f\u8bae\u7684\u5b89\u5168\uff0c\u7814\u7a76\u6210\u679c\u53d1\u8868\u5728Oakland\u3001USENIX Security\u3001NDSS\u3001SIGCOMM\u7684\u5b66\u672f\u4f1a\u8bae\uff0c\u5728\u5de5\u4e1a\u754c\u5f15\u8d77\u5e7f\u6cdb\u5173\u6ce8\u3002\u6bb5\u6d77\u65b0\u4e3b\u9875\uff1a<a href=\"http:\/\/netsec.ccert.edu.cn\/duanhx\">http:\/\/netsec.ccert.edu.cn\/duanhx<\/a>, \u65b0\u6d6a\u5fae\u535a\uff1a<a href=\"http:\/\/weibo.com\/duanhx\">http:\/\/weibo.com\/duanhx<\/a><\/div>\n<div>\u00a0 \u00a0 \u00a0 \u00a0 \u672c\u6587\u9996\u53d1\u4e8e\u201c\u7f51\u7edc\u5b89\u5168\u7814\u7a76\u56fd\u9645\u5b66\u672f\u8bba\u575b\uff08InForSec\uff09\u201d \uff0c\u6b22\u8fce\u8f6c\u53d1\uff0c\u4f46\u8bf7\u6ce8\u660e\u51fa\u5904\uff1a<a href=\"http:\/\/inforsec.org\">http:\/\/inforsec.org<\/a><\/div>\n<div><\/div>\n<h3><strong>\u53c2\u8003\u6587\u732e\uff1a<\/strong><\/h3>\n<div>\n<div>[1]\u00a0NSA\u00a0infiltrates\u00a0links\u00a0to\u00a0Yahoo,\u00a0Google\u00a0data\u00a0centers\u00a0worldwide,\u00a0Snowden\u00a0documents\u00a0say.\u00a0<a href=\"https:\/\/www.washingtonpost.com\/world\/national-security\/nsa-infiltrates-links-to-yahoo-google-data-centers-worldwide-snowden-documents-say\/2013\/10\/30\/e51d661e-4166-11e3-8b74-d89d714ca4dd_story.html\">https:\/\/www.washingtonpost.com\/world\/national-security\/nsa-infiltrates-links-to-yahoo-google-data-centers-worldwide-snowden-documents-say\/2013\/10\/30\/e51d661e-4166-11e3-8b74-d89d714ca4dd_story.html<\/a><\/div>\n<\/div>\n<div>\n<div>[2]\u00a0Jinjin Liang,\u00a0Jian Jiang,\u00a0Haixin Duan,\u00a0Kang Li,\u00a0Tao Wan,\u00a0and\u00a0Jianping Wu.\u00a0 &#8220;When\u00a0HTTPS\u00a0Meets\u00a0CDN:\u00a0A\u00a0Case\u00a0of\u00a0Authentication\u00a0in Delegated\u00a0Service&#8221;,\u00a0in\u00a02014\u00a0IEEE\u00a0Symposium\u00a0on\u00a0Security\u00a0and\u00a0Privacy\u00a0(SP),\u00a02014,\u00a0pp.\u00a067-82, PDF and PPT Download:<a href=\"http:\/\/netsec.ccert.edu.cn\/duanhx\/archives\/1803\">\u00a0http:\/\/netsec.ccert.edu.cn\/duanhx\/archives\/1803<\/a><\/div>\n<div>[3]P. Hoffman and\u00a0J.\u00a0Schlyter.\u00a0The\u00a0DNS-Based\u00a0Authentication\u00a0of\u00a0Named\u00a0Entities\u00a0(DANE),Transport\u00a0Layer\u00a0Security\u00a0(TLS)\u00a0Protocol:\u00a0TLSA, RFC 6698\u00a0<a href=\"https:\/\/tools.ietf.org\/html\/rfc6698\">https:\/\/tools.ietf.org\/html\/rfc6698<\/a><\/div>\n<div>[4] \u00a0Nick\u00a0Sullivan. Introducing\u00a0Strict\u00a0SSL:\u00a0Protecting\u00a0Against\u00a0a\u00a0Man-in-the-Middle\u00a0Attack\u00a0on\u00a0Origin\u00a0Traffic,\u00a0<a href=\"https:\/\/blog.cloudflare.com\/introducing-strict-ssl-protecting-against-a-man-in-the-middle-attack-on-origin-traffic\/\">https:\/\/blog.cloudflare.com\/introducing-strict-ssl-protecting-against-a-man-in-the-middle-attack-on-origin-traffic\/<\/a><\/div>\n<div>[5]Keyless SSL,\u00a0<a href=\"https:\/\/www.cloudflare.com\/keyless-ssl\/\">https:\/\/www.cloudflare.com\/keyless-ssl\/<\/a><\/div>\n<div>[6]S.\u00a0Slovetskiy ,Approaches\u00a0to\u00a0HTTPS-based\u00a0Request\u00a0Routing\u00a0and\u00a0Delegation,\u00a0<a href=\"https:\/\/datatracker.ietf.org\/doc\/draft-slovetskiy-cdni-https-delegation-approaches\/\">https:\/\/datatracker.ietf.org\/doc\/draft-slovetskiy-cdni-https-delegation-approaches\/<\/a><\/div>\n<div><\/div>\n<\/div>\n<div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u4f5c\u8005\uff1a\u6bb5\u6d77\u65b0\uff0c\u5355\u4f4d\uff1a\u6e05\u534e\u5927\u5b66; \u5173\u952e\u8bcd\uff1aHTTPS, CDN, PKI\uff0cCA\uff0cCertificate&#8230; <a class=\"continue-reading-link\" href=\"http:\/\/202.112.238.40\/wp\/?p=230\"> Continue reading <span class=\"meta-nav\">&rarr; <\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-230","post","type-post","status-publish","format-standard","hentry","category-research"],"_links":{"self":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts\/230","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=230"}],"version-history":[{"count":21,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts\/230\/revisions"}],"predecessor-version":[{"id":293,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts\/230\/revisions\/293"}],"wp:attachment":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=230"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=230"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}