{"id":272,"date":"2014-10-05T00:06:10","date_gmt":"2014-10-04T15:06:10","guid":{"rendered":"http:\/\/srytk.com\/?p=272"},"modified":"2014-10-05T00:06:10","modified_gmt":"2014-10-04T15:06:10","slug":"cdn%e3%82%82ssltls%e3%82%82spdy%e3%82%82%e5%85%a8%e9%83%a8%e7%84%a1%e6%96%99%e3%80%81%e3%81%9d%e3%81%86cloudflare%e3%81%aa%e3%82%89%e3%81%ad","status":"publish","type":"post","link":"https:\/\/blog.srytk.com\/archive-srtyk-com\/2014\/10\/05\/cdn%e3%82%82ssltls%e3%82%82spdy%e3%82%82%e5%85%a8%e9%83%a8%e7%84%a1%e6%96%99%e3%80%81%e3%81%9d%e3%81%86cloudflare%e3%81%aa%e3%82%89%e3%81%ad\/","title":{"rendered":"CDN\u3082SSL(TLS)\u3082SPDY\u3082\u5168\u90e8\u7121\u6599\u3001\u305d\u3046CloudFlare\u306a\u3089\u306d"},"content":{"rendered":"<p>2014\u5e749\u6708\u672b\u3001CDN\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b<a href=\"https:\/\/www.cloudflare.com\/\">CloudFlare<\/a>\u304c\u300c<a href=\"http:\/\/blog.cloudflare.com\/introducing-universal-ssl\/\">Universal SSL<\/a>\u300d\u3092\u767a\u8868\u3057\u307e\u3057\u305f\u3002\u540c\u793e\u306e\u7121\u6599\u30d7\u30e9\u30f3\u3092\u542b\u3080\u5168\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u3001\u7121\u511f\u3067SSL(https)\u63a5\u7d9a\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u3068\u3044\u3046\u9a5a\u304f\u3079\u304d\u5185\u5bb9\u3067\u3059\u3002\u540c\u793e\u306b\u3088\u308c\u3070\u3001\u73fe\u5728\u3001\u30bb\u30ad\u30e5\u30a2\u306a\u63a5\u7d9a\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u30b5\u30a4\u30c8\u306f\u5168\u4e16\u754c\u3067200\u4e07\u30b5\u30a4\u30c8\u307b\u3069\u3060\u3063\u305f\u305d\u3046\u3067\u3059\u3002\u3067\u3059\u304c\u3001Universal SSL\u306e\u767b\u5834\u306b\u3088\u3063\u3066\u500d\u306e400\u4e07\u30b5\u30a4\u30c8\u307e\u3067\u5897\u3048\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><!--more--><\/p>\n<h2>\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067HTTPS(SSL)\u304c\u5229\u7528\u53ef<\/h2>\n<p>\u3053\u306e\u30d6\u30ed\u30b0\u306e\u30c9\u30e1\u30a4\u30f3(srytk.com)\u3082CloudFlare\u3092\u4f7f\u3063\u3066\u3044\u308b\u306e\u3067\u3001cloudflare.com\u306e\u8a2d\u5b9a\u30da\u30fc\u30b8\u3092\u898b\u308b\u3068\u78ba\u304b\u306b\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<figure id=\"attachment_274\" aria-describedby=\"caption-attachment-274\" style=\"width: 995px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/srytk.com\/wp-content\/uploads\/2014\/10\/ssl-setting.png\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-274 size-full\" src=\"http:\/\/srytk.com\/wp-content\/uploads\/2014\/10\/ssl-setting.png\" alt=\"ssl-setting\" width=\"995\" height=\"126\" \/><\/a><figcaption id=\"caption-attachment-274\" class=\"wp-caption-text\">\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u30e1\u30cb\u30e5\u30fc\u304b\u3089Flexble SSL\u3092\u9078\u629e\u3059\u308b\u3060\u3051\u3067\u300c\u3068\u308a\u3042\u3048\u305a\u300dSSL\u304c\u5229\u7528\u3067\u304d\u308b<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p>\u5f53\u521d\u3001\u5168\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u304cuniversal ssl\u3092\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u307e\u3067\u6700\u592724\u6642\u9593\u304b\u304b\u308b\u3001\u3068\u8aac\u660e\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u306e\u3061\u306b\u6570\u65e5\u4f38\u3073\u308b\u3053\u3068\u306a\u308a\u307e\u3057\u305f\u3002\u79c1\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u3067\u3082<strong>SSL\u00a0issuing<\/strong>\u3068\u51fa\u3066\u3001\u307e\u3060\u4f7f\u3048\u306a\u3044\u3088\u3046\u3067\u3059\u3002<\/p>\n<blockquote><p>For new customers who sign up for CloudFlare&#8217;s free plan, after we get through provisioning existing customers, it will take up to 24 hours to activate Universal SSL.<\/p><\/blockquote>\n<p>\u2191\u3000\u30a2\u30ca\u30a6\u30f3\u30b9\u6642\u3000\u3000\u3061\u3087\u3063\u3068<a href=\"http:\/\/blog.cloudflare.com\/universal-ssl-be-just-a-bit-more-patient\/\">\u4f38\u3073\u305f<\/a>\u3000\u2193<\/p>\n<blockquote><p>While we&#8217;d hoped to have the deployment complete within 24 hours of the announcement, it now looks like it&#8217;s going to take a bit longer. We now expect that the full deployment will be complete about 48 hours from now (0700 UTC).<\/p><\/blockquote>\n<h2>UNIVERSAL SSL\u306e\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8<\/h2>\n<p>\u5168\u3066\u306e\u7269\u4e8b\u304c\u305d\u3046\u3067\u3042\u308b\u3088\u3046\u306b\u3001Universal SSL\u306b\u3082\u30e1\u30ea\u30c3\u30c8\u3068\u30c7\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305a\u306f\u30e1\u30ea\u30c3\u30c8\u304b\u3089\u3002<\/p>\n<h3>SSL\u304c\u30bf\u30c0\uff01<\/h3>\n<p><a href=\"https:\/\/farm8.staticflickr.com\/7162\/6793824321_398d881757_b.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-276 size-full\" src=\"http:\/\/srytk.com\/wp-content\/uploads\/2014\/10\/piggy-bank.jpg\" alt=\"piggy-bank\" width=\"640\" height=\"480\" \/><\/a><br \/>\nSome rights reserved by <a href=\"https:\/\/www.flickr.com\/photos\/68751915@N05\/6793824321\/\">401(K) 2013<\/a><\/p>\n<p>\u5f93\u6765SSL\u8a3c\u660e\u66f8\u306e\u767a\u884c\u306f\u5b89\u304f\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u7121\u6599\u306eSSL\u306f<a href=\"https:\/\/www.startssl.com\">Start SSL<\/a>\u306a\u3069\u524d\u304b\u3089\u3042\u308a\u307e\u3057\u305f\u304c\u3001symantec\u3084global sign\u306a\u3069\u306e\u6709\u540d\u3069\u3053\u308d\u304b\u3089\u8cb7\u3046\u3068\u5e74\u6570\u4e07\u5186\u304b\u304b\u308a\u307e\u3059\u3002\u30b9\u30ce\u30fc\u30c7\u30f3\u306e\u66b4\u9732\u4ee5\u964d\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u95a2\u5fc3\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30e6\u30fc\u30b6\u306e\u9593\u3067\u9ad8\u307e\u308a\u307e\u3057\u305f\u304c\u3001\u500b\u4eba\u306e\u7ba1\u7406\u8005\u304c\u6c17\u8efd\u306bSSL\u3092\u5c0e\u5165\u3067\u304d\u308b\u3082\u306e\u3067\u306a\u304b\u3063\u305f\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u307b\u3046\u3082\u8272\u3005\u3081\u3093\u3069\u304f\u3055\u305d\u3046\u3067\u3059\u3002\u3084\u3063\u3059\u3044\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u3068\u304b\u3060\u3068\u72ec\u81eaSSL\u3092\u5c0e\u5165\u3059\u308b\u306e\u306b\u8ffd\u52a0\u6599\u91d1\u304c\u5fc5\u8981\u3060\u3063\u305f\u308a\u3001\u4e0a\u4f4d\u30d7\u30e9\u30f3\u304c\u5fc5\u8981\u3060\u3063\u305f\u308a\u3057\u307e\u3059\u3002\u6708\u6570\u767e\u5186\u3067\u30d6\u30ed\u30b0\u3084\u3063\u3066\u3044\u308b\u3088\u3046\u306a\u4eba\u306b\u306f\u7e01\u9060\u3044\u8a71\u3067\u3059\u306d\u3002\u8ffd\u52a0\u3067\u8a2d\u5b9a\u3082\u5fc5\u8981\u3067\u3059\u3057\u3002<\/p>\n<h3>SEO\u306b\u30c1\u30e7\u30c3\u30c8\u3060\u3051\u6709\u5229<\/h3>\n<p><a href=\"https:\/\/farm5.staticflickr.com\/4055\/4493513795_a1d540cc3d_b.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-278 size-full\" src=\"http:\/\/srytk.com\/wp-content\/uploads\/2014\/10\/google_logo.jpg\" alt=\"google_logo\" width=\"640\" height=\"426\" \/><\/a><br \/>\nSome rights reserved by <a href=\"https:\/\/www.flickr.com\/photos\/grahamsblog\/4493513795\/\">The Logo Smith<\/a><\/p>\n<p>Google\u304c\u691c\u7d22\u7d50\u679c\u306b\u7528\u3044\u308b<a href=\"http:\/\/googlewebmastercentral-ja.blogspot.jp\/2014\/08\/https-as-ranking-signal.html\">\u30e9\u30f3\u30ad\u30f3\u30b0\u8981\u7d20\u306e1\u3064\u306bHTTPS\u304c\u3042\u308b<\/a>\u3053\u3068\u306f\u516c\u7136\u305f\u308b\u4e8b\u5b9f\u3067\u3059\u3002<\/p>\n<blockquote><p>\u3053\u306e\u30e9\u30f3\u30ad\u30f3\u30b0\u306e\u5909\u66f4\u306f\u3001\u30b0\u30ed\u30fc\u30d0\u30eb\u3067\u30af\u30a8\u30ea\u306e 1% \u672a\u6e80\u306b\u3057\u304b\u5f71\u97ff\u3057\u307e\u305b\u3093\u304c\u3001\u3053\u308c\u304b\u3089\u9577\u3044\u671f\u9593\u3092\u304b\u3051\u3066\u5f37\u5316\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u5168\u4f53\u7684\u306b\u898b\u308b\u3068\u3001\u3053\u306e\u30b7\u30b0\u30ca\u30eb\u306f\u826f\u8cea\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u3067\u3042\u308b\u3068\u3044\u3063\u305f\u3001\u305d\u306e\u4ed6\u306e\u30b7\u30b0\u30ca\u30eb\u307b\u3069\u30a6\u30a7\u30a4\u30c8\u306f\u5927\u304d\u304f\u3042\u308a\u307e\u305b\u3093\u3002HTTPS \u306f\u3001\u512a\u308c\u305f\u30e6\u30fc\u30b6\u30fc \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u751f\u307f\u51fa\u3059\u591a\u304f\u306e\u8981\u7d20\u306e\u3046\u3061\u306e 1 \u3064\u3067\u3059\u3002<\/p>\n<p>\u4eca\u5f8c\u3001\u3088\u308a\u591a\u304f\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3067 HTTPS \u304c\u4f7f\u7528\u3055\u308c\u308b\u3053\u3068\u3092\u671f\u5f85\u3057\u3066\u3044\u307e\u3059\u3002\u30a6\u30a7\u30d6\u306e\u5b89\u5168\u6027\u3092\u3055\u3089\u306b\u5f37\u5316\u3057\u307e\u3057\u3087\u3046\u3002<\/p><\/blockquote>\n<p>\u3067\u3059\u304c\u3001\u4eca\u306e\u3068\u3053\u308d\u3001\u307b\u3068\u3093\u3069\u91cd\u307f\u306f\u7121\u3044\u3068\u601d\u308f\u308c\u307e\u3059\u3002\u5e38\u8b58\u7684\u306b\u8003\u3048\u3066\u3001\u30bb\u30ad\u30e5\u30a2\u3067\u3042\u308b\u304b\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u30af\u30aa\u30ea\u30c6\u30a3\u3068\u76f4\u63a5\u306f\u95a2\u4fc2\u306a\u3044\u3067\u3059\u304b\u3089\u306d\u3002<\/p>\n<p>\u30a4\u30e1\u30fc\u30b8\u3059\u308b\u306a\u3089\u3001\u300c\u82f1\u691c3\u7d1a\u300d\u3068\u3044\u3063\u305f\u3068\u3053\u308d\u3067\u3057\u3087\u3046\u304b\u3002\u6301\u3063\u3066\u308b\u306b\u8d8a\u3057\u305f\u4e8b\u306f\u306a\u3044\u3067\u3059\u304c\u3001\u58f0\u9ad8\u306b\u30a2\u30d4\u30fc\u30eb\u3059\u308b\u7a0b\u3067\u3082\u306a\u3044\u3067\u3059\u3088\u306d\u3002\uff08\u82f1\u691c3\u7d1a\u6301\u3063\u3066\u3044\u308b\u4eba\u3054\u3081\u3093\u306a\u3055\u3044\uff09<\/p>\n<p>\u305f\u3060\u3001\u6c17\u306b\u306a\u308b\u306e\u306f\u300c\u9577\u3044\u671f\u9593\u3092\u304b\u3051\u3066\u5f37\u5316\u300d\u3067\u3059\u3002\u5c06\u6765\u7684\u306b\u306f\u3001\u3088\u308a\u300c\u91cd\u304f\u300d\u306a\u3063\u3066\u884c\u304f\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3069\u3061\u3089\u306b\u305b\u3088\u3001\u4eca\u306e\u3068\u3053\u308d\u306f\u3001SEO\u306e\u89b3\u70b9\u304b\u3089\u306f\u3001\u30e1\u30ea\u30c3\u30c8\u306f\u8584\u3044\u3053\u3068\u306b\u5909\u308f\u308a\u306a\u3044\u3067\u3059\u3051\u3069\u306d\u3002<\/p>\n<h3>SPDY\u304c\u6709\u52b9<\/h3>\n<p><a href=\"https:\/\/farm3.staticflickr.com\/2577\/3707813723_6750e6bc8b_b.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-281 size-full\" src=\"http:\/\/srytk.com\/wp-content\/uploads\/2014\/10\/speed.jpg\" alt=\"speed\" width=\"640\" height=\"377\" \/><\/a><br \/>\nSome rights reserved by <a href=\"https:\/\/farm3.staticflickr.com\/2577\/3707813723_398457e8e1_o.jpg\">Rami \u2122<\/a><\/p>\n<p>Universal SSL\u3092\u6709\u52b9\u306b\u3059\u308b\u3068\u3001\u81ea\u52d5\u7684\u306b<a href=\"http:\/\/ja.wikipedia.org\/wiki\/SPDY\">SPDY<\/a>(\u30b9\u30d4\u30fc\u30c7\u30a3\u30fc)\u304c\u6709\u52b9\u306b\u306a\u308a\u307e\u3059\u3002SPDY\u306fHTTP\u3067\u306e\u554f\u984c\u70b9\u3092\u30d7\u30ed\u30c8\u30b3\u30eb\u30ec\u30d9\u30eb\u6539\u5584\u3059\u308b\u3082\u306e\u3067\u3001\u30b5\u30a4\u30c8\u306b\u3088\u3063\u3066\u306f\u30ed\u30fc\u30c9\u30b9\u30d4\u30fc\u30c9\u304c\u304b\u306a\u308a\u6539\u5584\u3055\u308c\u307e\u3059\u3002\u5927\u624b\u30b5\u30a4\u30c8\u3082\u5c0e\u5165\u3057\u3066\u3044\u3066twitter\u3084google, facebook\u306a\u3069\u306e\u5b9f\u7e3e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>spdy\u3067\u306f1\u3064\u306e\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u3092\u4f7f\u3044\u307e\u308f\u3057\u3066\u3001\u4e0a\u624b\u3044\u3053\u3068\u30ea\u30af\u30a8\u30b9\u30c8\u3059\u308b\u306e\u3067\u3001css\u306bbase64\u3067\u753b\u50cf\u3092\u57cb\u3081\u8fbc\u3093\u3060\u308a\u3001css sprite\u3057\u305f\u308a\u3001JavaScript\u3084CSS\u3092\u7d50\u5408\u3059\u308b\u3068\u3044\u304b\u3044\u3046\u3001\u307f\u307f\u3063\u3061\u3044\u6700\u9069\u5316\u3057\u306a\u304f\u3066\u6e08\u307f\u305d\u3046\u3067\u3059\u3002<\/p>\n<h2>\u30c7\u30e1\u30ea\u30c3\u30c8<\/h2>\n<p>Universal SSL\u306e\u30c7\u30e1\u30ea\u30c3\u30c8\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>WIndows XP\u306eIE\u306f\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u306a\u3044<\/h3>\n<p><a href=\"http:\/\/srytk.com\/wp-content\/uploads\/2014\/10\/xp.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-283\" src=\"http:\/\/srytk.com\/wp-content\/uploads\/2014\/10\/xp.jpg\" alt=\"xp\" width=\"640\" height=\"480\" \/><\/a><br \/>\nSome rights reserved by <a href=\"https:\/\/www.flickr.com\/photos\/mlazarevski\/8680667909\/\">MLazarevski<\/a><\/p>\n<p>Universal SSL\u306f\u6570\u591a\u304f\u306e\u30b5\u30a4\u30c8\u3092\u9650\u3089\u308c\u305f\u30ea\u30bd\u30fc\u30b9\u3067\u63d0\u4f9b\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u90fd\u5408\u4e0a\u3001\u4e00\u822c\u7684\u306a\uff08\u6614\u304b\u3089\u3042\u308b\u4f1d\u7d71\u7684\u306a\uff09SSL\u3068\u306f\u7570\u306a\u308b2\u3064\u306e\u624b\u6cd5\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u6955\u5186\u66f2\u7ddaDSA(ECDSA)<\/strong><\/p>\n<p>http\u3068\u9055\u3063\u3066https\u3067\u306f\u6697\u53f7\u5316\u3068\u3044\u3046\u51e6\u7406\u304c\u5fc5\u8981\u306a\u306e\u3067\u3001\u4f59\u8a08\u306b\u8a08\u7b97\u30ea\u30bd\u30fc\u30b9\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u8a08\u7b97\u30ea\u30bd\u30fc\u30b9\u306e\u6d88\u8cbb\u3092\u6291\u3048\u308b\u305f\u3081\u3001Universal SSL\u3067\u306fRSA\u30d9\u30fc\u30b9\u624b\u6cd5\u3067\u306f\u306a\u304f\u3001ECDSA\u3092\u5229\u7528\u3059\u308b\u305d\u3046\u3067\u3059\u3002\u6280\u8853\u7684\u306a\u8a71\u306a\u306e\u3067\u3055\u3063\u3071\u308a\u5206\u304b\u308a\u307e\u305b\u3093\u304c\u3002<\/p>\n<p><strong>Server Name Indication(SNI)<\/strong><\/p>\n<p>\u4e00\u822c\u7684\u306aSSL\u3067\u306fSSL\u8a3c\u660e\u66f8\u3054\u3068\u306b\u30b0\u30ed\u30fc\u30d0\u30ebIP\u304c\u5fc5\u8981\u306b\u306a\u308b\u305d\u3046\u3067\u3059\u3002\u4f55\u767e\u4e07\u3082\u30e6\u30fc\u30b6\u306e\u3044\u308bUniversal SSL\u3067\u306f\u3001\u30b0\u30ed\u30fc\u30d0\u30ebIP\u3092\u5168\u3066\u7528\u610f\u3059\u308b\u306e\u306f\u96e3\u3057\u304f\u3001<a href=\"http:\/\/ja.wikipedia.org\/wiki\/Server_Name_Indication\">Server Name Indication<\/a>\u3068\u3044\u3046\u65b9\u6cd5\u3067\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0a\u306e\u69d8\u306b\u3001Universal SSL\u3067\u306f\u4e00\u822c\u7684\u306aSSL\u3068\u7570\u306a\u308a\u3001\uff08\u5148\u9032\u7684\u306a\uff09\u624b\u6cd5\u3092\u7528\u3044\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u624b\u6cd5\u306f\u30e2\u30c0\u30f3\u306a\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u6b8b\u5ff5\u3053\u3068\u306b\u3001<strong>Windows XP\u4e0a\u306eInternet Explorer\u3084Ice Cream Sandwich\u3088\u308a\u524d\u306eAndroid<\/strong>\u3067\u306f\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u74b0\u5883\u3067\u3082HTTPS\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3001\u6709\u511f\u306e\u4e0a\u4f4dCloudFlare\u30d7\u30e9\u30f3\u3078\u79fb\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>HTTPS\u3068HTTP\u3069\u3061\u3089\u3067\u3082\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u306f\u7121\u6599\u30a2\u30ab\u30a6\u30f3\u30c8\u3067\u3082\u53ef\u80fd\u3067\u3059\u304c\u3001\u9593\u9055\u3063\u3066\u53e4\u3044\u74b0\u5883\u306e\u30e6\u30fc\u30b6\u304c\u30a2\u30af\u30bb\u30b9\u3057\u305f\u5834\u5408\u300c\u30a8\u30e9\u30fc\u753b\u9762\u300d\u304c\u8868\u793a\u3055\u308c\u308b\u306e\u306f\u611f\u3058\u60aa\u3044\u3067\u3059\u3088\u306d\uff1e\uff1c<\/p>\n<h2>\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u3060\u3068\u3042\u3093\u307e\u308a\u30bb\u30ad\u30e5\u30a2\u3058\u3083\u306a\u3044\u3088<\/h2>\n<p><a href=\"https:\/\/farm9.staticflickr.com\/8297\/7899423426_74a5510d2a_b.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-285 size-full\" src=\"http:\/\/srytk.com\/wp-content\/uploads\/2014\/10\/unlocked.jpg\" alt=\"unlocked\" width=\"640\" height=\"426\" \/><\/a><\/p>\n<p>Some rights reserved by <a href=\"https:\/\/www.flickr.com\/photos\/cleanslatephotography\/7899423426\/\">samstockton<\/a><\/p>\n<p>\u30e6\u30fc\u30b6\u3068\uff08\u30aa\u30ea\u30b8\u30f3\uff09\u30b5\u30fc\u30d0\u30fc\u306e\u9593\u306e\u9001\u53d7\u4fe1\u306bCloudFlare\u304c\u5165\u308b\u3053\u3068\u3067Universal SSL\u304a\u3088\u3073Cloud Flare\u306eCDN\u306f\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30d6\u30ed\u30b0\u3067\u8a00\u3046\u3068\u3001\u30d3\u30b8\u30bf\u30fc -&gt; CloudFlare -&gt; srytk.com\u306e\u30b5\u30fc\u30d0\u30fc\u3000\u3068\u3044\u3046\u6d41\u308c\u3068\u3001srytk.com\u306e\u30b5\u30fc\u30d0\u30fc -&gt; CloudFlare -&gt; \u30d3\u30b8\u30bf\u30fc\u3068\u3044\u3046\u6d41\u308c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u30dd\u30a4\u30f3\u30c8\u306a\u306e\u304c\u3001\u7121\u6599\u30d7\u30e9\u30f3\u306eCloudFlare\u306eSSL\u8a2d\u5b9a\u306f\u300cFlexible SSL\u300d\u3068\u3044\u3046\u306e\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u306a\u306e\u3067\u3059\u304c\u3001\u3053\u308c\u306f<strong>\u30d3\u30b8\u30bf\u30fc\u3068CloudFlare\u306e\u9593\u3060\u3051\u901a\u4fe1\u304c\u6697\u53f7\u5316<\/strong>\u3055\u308c\u308b\u3001\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u3001\u7a7a\u6e2f\u7b49\u306e\u516c\u8846\u7121\u7ddaLAN\u304b\u3089\u306e\u63a5\u7d9a\u3092\u3001\u307e\u308f\u308a\u306e\u540c\u5e2d\u3057\u3066\u3044\u308b\u60aa\u3044\u4eba\u305f\u3061\u304b\u3089\u306e\u508d\u53d7\u3092\u9632\u3044\u3060\u308a\u3001\u5b66\u6821\u3084\u8077\u5834\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304b\u3089\u306e\u63a5\u7d9a\u3067\u3001\u7ba1\u7406\u8005\u306b\u901a\u4fe1\u5185\u5bb9\u3092\u77e5\u3089\u308c\u305f\u304f\u306a\u3044\u3001\u7a0b\u5ea6\u306e\u4e8b\u306a\u3089\u610f\u5473\u304c\u3042\u308a\u305d\u3046\u3067\u3059\u3002\u4e0b\u306e\u753b\u50cf\u304c\u30a4\u30e1\u30fc\u30b8\u3057\u3084\u3059\u305d\u3046\u3002<\/p>\n<figure id=\"attachment_286\" aria-describedby=\"caption-attachment-286\" style=\"width: 450px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/srytk.com\/wp-content\/uploads\/2014\/10\/a_03.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-286 size-full\" src=\"http:\/\/srytk.com\/wp-content\/uploads\/2014\/10\/a_03.jpg\" alt=\"a_03\" width=\"450\" height=\"248\" \/><\/a><figcaption id=\"caption-attachment-286\" class=\"wp-caption-text\">\u653f\u5e9c\u5e83\u5831\u30aa\u30f3\u30e9\u30a4\u30f3\u306e\u300c<a href=\"http:\/\/www.gov-online.go.jp\/useful\/article\/201303\/1.html\">\u3053\u308c\u3060\u3051\u306f\u3084\u3063\u3066\u304a\u304d\u305f\u3044\uff01 \u300c\u7121\u7ddaLAN\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a33\u3064\u306e\u7d04\u675f\u300d<\/a>\u300d\u3088\u308a<\/figcaption><\/figure>\n<p>\u3057\u304b\u3057\u3001\u30e6\u30fc\u30b6\u3068\uff08\u30aa\u30ea\u30b8\u30f3\uff09\u30b5\u30fc\u30d0\u30fc\u306e\u9593\u306e\u6697\u53f7\u5316\u304c\u4e0d\u5b8c\u5168\u306a\u306e\u3067\u3001\uff08\u30d1\u30b9\u30ef\u30fc\u30c9\u3084\u30e1\u30fc\u30eb\u306a\u3069\uff09\u91cd\u8981\u306a\u60c5\u5831\u3092\u9001\u53d7\u4fe1\u3059\u308b\u30b5\u30a4\u30c8\u306b\u306f\u300cFlexible SSL\u300d\u306f\u4f7f\u3048\u307e\u305b\u3093\u3002CloudFlare\u3068\u30aa\u30ea\u30b8\u30f3\u30b5\u30fc\u30d0\u30fc\u3068\u306e\u9593\u306e\u901a\u4fe1\u3092\u508d\u53d7\u3055\u308c\u3066\u3057\u307e\u3046\u304b\u3082\u3057\u308c\u306a\u3044\u304b\u3089\u3067\u3059\u3002<\/p>\n<p>Universal SSL\u3067\u30aa\u30ea\u30b8\u30f3\u30b5\u30fc\u30d0\u30fc\u3068\u6697\u53f7\u5316\u3055\u308c\u305f\u901a\u4fe1\u3092\u884c\u3046\u306b\u306f\u300cFull SSL\u300d\u304b\u300cFull SSL(strict)\u300d\u3092\u9078\u629e\u3057\u3001\u30aa\u30ea\u30b8\u30f3\u30b5\u30fc\u30d0\u30fc\u3067SSL\u3092\u6709\u52b9\u5316\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306f\u524d\u8ff0\u3057\u305f\u3068\u304a\u308a\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u306a\u3069\u306b\u8ffd\u52a0\u306e\u304a\u91d1\u304c\u304b\u304b\u308a\u307e\u3059\u3002\u307e\u305f\u300cFull SSL\u300d\u306f<a href=\"http:\/\/blog.cloudflare.com\/origin-server-connection-security-with-universal-ssl\/\">\u4e2d\u9593\u8005\u653b\u6483\u3092\u9632\u304e\u304d\u308c\u306a\u3044<\/a>\u306e\u3067\u3001ca\u304b\u3089\u8a3c\u660e\u66f8\u3092\u8cb7\u3063\u3066\u300cFull SSL(strict)\u300d\u3092\u30aa\u30b9\u30b9\u30e1\u3057\u307e\u3059\u3002\u306a\u304a\u3001\u5c06\u6765\u7684\u306b\u306fCSR\u3092CloudFlare\u306b\u9001\u3063\u3066\u300cFull SSL\u300d\u3067\u3082OK\u306b\u306a\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u30c7\u30e1\u30ea\u30c3\u30c8\u3068\u3044\u3046\u3068\u5927\u8888\u88df\u3067\u3059\u304c\u3001\u300cSSL\u3060\u304b\u3089\u7121\u6761\u4ef6\u306b\u5b89\u5fc3\u300d\u3068\u3044\u3046\u308f\u3051\u3067\u306f\u306a\u3044\u3053\u3068\u306f\u3001\u5fc3\u306b\u6b62\u3081\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3042\u3068\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u304c\u3001\u79c1\u306f\u8a73\u3057\u3044\u3053\u3068\u3001\u6280\u8853\u7684\u306a\u4e8b\u306f\u3055\u3063\u3071\u308a\u5206\u304b\u3089\u306a\u304b\u3063\u305f\u306e\u3067\u3001<a href=\"http:\/\/blog.cloudflare.com\/origin-server-connection-security-with-universal-ssl\/\">Cloud Flare\u306e\u30d6\u30ed\u30b0<\/a>\u3092\u3057\u3063\u304b\u308a\u3068\u8aad\u3080\u3068\u826f\u3055\u305d\u3046\u3067\u3059\u3002<\/p>\n<h2>\u00a0Mixed Content\u306b\u6ce8\u610f\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044<\/h2>\n<p><a href=\"http:\/\/srytk.com\/wp-content\/uploads\/2014\/10\/ie_error.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-288\" src=\"http:\/\/srytk.com\/wp-content\/uploads\/2014\/10\/ie_error.jpg\" alt=\"ie_error\" width=\"640\" height=\"427\" \/><\/a><br \/>\nSome rights reserved by <a href=\"https:\/\/www.flickr.com\/photos\/andreassolberg\/\">Andreas Solberg<\/a><\/p>\n<p>HTML\u306f\u901a\u5e38\u3001\u5916\u90e8\u30ea\u30bd\u30fc\u30b9\u3078\u306e\u53c2\u7167\u304c\u8a18\u8ff0\u3055\u308c\u3066\u3044\u307e\u3059\u3002&lt;img src=&#8221;https:\/\/example.com\/image.jpg&#8221;&gt;\u307f\u305f\u3044\u306a\u3084\u3064\u3067\u3059\u3002<strong>https<\/strong>\u3067\u30b5\u30fc\u30d6\u3055\u308c\u305fhtml\u306b\uff08\u305f\u3068\u3048\u540c\u3058\u30c9\u30e1\u30a4\u30f3\u3067\u3042\u3063\u3066\u3082\uff09\u300c<strong>http<\/strong>\u300d\u3067\u306e\u53c2\u7167\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u305d\u306ehtml\u306b\u53c2\u7167\u3055\u308c\u3066\u3044\u308bhttp\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u306f\u300c<strong>mixed content<\/strong>\u300d\u3068\u547c\u3070\u308c\u308b\u72b6\u614b\u3067\u3059\u3002<a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Security\/MixedContent\">MDN\u306eMixed Content<\/a>\u306e\u30da\u30fc\u30b8\u306b\u3088\u308c\u3070\u3001\u300chttp\u300d\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u306f\u300chttps\u300d\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u3068\u9055\u3063\u3066\u4e2d\u9593\u8005\u653b\u6483\u306b\u3088\u3063\u3066\u6539\u7ac4\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<blockquote><p>If the HTTPS page includes content retrieved through regular, cleartext HTTP, then the connection is only partially encrypted: the unencrypted content is accessible to sniffers and can be modified by man-in-the-middle attackers, and therefore the connection is not safeguarded anymore. When a webpage exhibits this behavior, it is called a mixed content page.<\/p><\/blockquote>\n<p>mixed content\u306f2\u3064\u306e\u30ab\u30c6\u30b4\u30ea\u306b\u5206\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059<\/p>\n<h3>Mixed passive\/display content<\/h3>\n<p>\u3053\u306emixed content\u306f\u4ed6\u306e\u90e8\u5206\u3092\u6539\u5909\u51fa\u6765\u306a\u3044\u3088\u3046\u306amixed content\u3092\u6307\u3057\u307e\u3059\u3002\u6b21\u306e\u3082\u306e\u304c\u8a72\u5f53\u3057\u307e\u3059\u3002<\/p>\n<blockquote>\n<ul>\n<li>&lt;audio&gt; (src attribute)<\/li>\n<li>&lt;img&gt; (src attribute)<\/li>\n<li>&lt;video&gt; (src attribute)<\/li>\n<li>&lt;object&gt; subresources (when an &lt;object&gt; performs HTTP requests)<\/li>\n<\/ul>\n<\/blockquote>\n<h3>Mixed active content<\/h3>\n<p>\u3053\u306emixed content\u306fhttps\u30da\u30fc\u30b8\u306eDOM\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u3067\u3059\u3002\u305d\u308c\u3086\u3048\u3001\u60c5\u5831\u304c\u76d7\u3093\u3060\u308a\u3001\u610f\u56f3\u3057\u306a\u3044\u52d5\u4f5c\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u3092\u79d8\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n<blockquote><p>Mixed Active Content is content that has access to all or parts of the Document Object Model of the HTTPS page. This type of mixed content can alter the behavior of the HTTPS page and potentially steal sensitive data from the user. Hence, in addition to the risks described for Mixed Display Content above, Mixed Active Content is vulnerable to a few other attack vectors.<\/p><\/blockquote>\n<p>\u6b21\u306e\u3082\u306e\u304c\u8a72\u5f53\u3057\u307e\u3059\u3002<\/p>\n<blockquote><p>&lt;script&gt; (src attribute)<br \/>\n&lt;link&gt; (href attribute) (this includes CSS stylesheets)<br \/>\nXMLHttpRequest object requests<br \/>\n&lt;iframe&gt; (src attributes)<br \/>\nAll cases in CSS where a url value is used (@font-face, cursor, background-image, etc.)<br \/>\n&lt;object&gt; (data attribute)<\/p><\/blockquote>\n<p>Firefox \u3067\u306f\u30d0\u30fc\u30b8\u30e7\u30f323\u304b\u3089mixed active content\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002\u8a73\u3057\u3044\u3053\u3068\u306f\u77e5\u308a\u307e\u305b\u3093\u304c\u3001<a href=\"http:\/\/googleonlinesecurity.blogspot.co.uk\/2011\/06\/trying-to-end-mixed-scripting.html\">chrome\u3082\u30d6\u30ed\u30c3\u30af<\/a>\u3057\u307e\u3059\u3002<a href=\"http:\/\/blogs.msdn.com\/b\/askie\/archive\/2009\/05\/14\/mixed-content-and-internet-explorer-8-0.aspx\">ie\u3082\u30d6\u30ed\u30c3\u30af<\/a>\u3057\u307e\u3059\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001\u30e2\u30c0\u30f3\u306a\u30d6\u30e9\u30a6\u30b6\u306fmixed active content\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3061\u3083\u3046\u304b\u3082\u3057\u308c\u306a\u3044\u306e\u3067Universal SSL\u3092\u6709\u52b9\u5316\u3059\u308b\u524d\u306b\u3001\u65e2\u5b58\u30da\u30fc\u30b8\u306e&lt;script&gt;\u3084&lt;link&gt;\u306a\u3069\u3092\u30c1\u30a7\u30c3\u30af\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002mixed content\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3068\u4e00\u90e8\u304c\u8868\u793a\u3055\u308c\u306a\u304b\u3063\u305f\u308a\u3001\u6700\u60aa\u30da\u30fc\u30b8\u304c\u5d29\u308c\u307e\u3059\u3002<\/p>\n<p>http\u306ascript\u3084iframe\u3068\u3044\u3046\u3068\u300c\u30cb\u30b3\u30cb\u30b3\u52d5\u753b\u306e\u5916\u90e8\u30d7\u30ec\u30a4\u30e4\u300d\u3068\u304b\u300camazon\u3068\u304b\u306e\u5e83\u544a\u30b3\u30fc\u30c9\u300d\u3068\u304b\u300cgoogle web fonts\u300d\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\u3067http\u306a\u30b3\u30fc\u30c9\u304c\u8868\u793a\u3055\u308c\u308b\uff09\u3068\u304b\u3001\u679a\u6319\u306b\u3044\u3068\u307e\u304c\u306a\u3044\u72b6\u614b\u3067\u3001\u3057\u304b\u3082https\u306a\u4ee3\u66ff\u30b3\u30fc\u30c9\u304c\u7528\u610f\u3055\u308c\u3066\u306a\u304b\u3063\u305f\u308a\u3059\u308b\u3068\u3001\u304a\u624b\u4e0a\u3052\u72b6\u614b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3064\u307e\u308a\u30d6\u30ed\u30b0\u306a\u3069\u304chttps\u5316\u3059\u308b\u3068\u9762\u5012\u304f\u3055\u3044\u306e\u3067\u3059\u3002<\/p>\n<h2>SPDY\u3067\u30b5\u30a4\u30c8\u304c\u30b9\u30d4\u30fc\u30c7\u30a3\u30fc\u306b\u306a\u308b\u3068\u306f\u9650\u3089\u306a\u3044<\/h2>\n<p><a href=\"https:\/\/farm3.staticflickr.com\/2165\/2194435905_ccdcec5468_o.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-290 size-full\" src=\"http:\/\/srytk.com\/wp-content\/uploads\/2014\/10\/cow.jpg\" alt=\"cow\" width=\"640\" height=\"427\" \/><\/a><br \/>\nSome rights reserved by <a href=\"https:\/\/www.flickr.com\/photos\/freefoto\/2194435905\/\">freefotouk<\/a><\/p>\n<p>\u6280\u8853\u7684\u306a\u4e8b\u3060\u304b\u3089\u8a73\u3057\u304f\u306f\u308f\u304b\u3089\u306a\u3044\u3067\u3059\u304c\u3001SPDY\u306e\u58f2\u308a\u306f\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u3092\u51fa\u6765\u308b\u3060\u3051\u52b9\u7387\u7684\u306b\u5229\u7528\u3067\u304d\u308b\u3053\u3068\u306e\u3088\u3046\u306b\u601d\u3048\u307e\u3059\u3002\u3067\u3059\u304c\u3001\u4e00\u822c\u7684\u306a\u30d6\u30ed\u30b0\u306f\u30bd\u30fc\u30b7\u30e3\u30eb\u30dc\u30bf\u30f3\u3084\u3089\u57cb\u3081\u8fbc\u307f\u3084\u3089\u3067\u5916\u90e8\u30b5\u30a4\u30c8\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3084iframe\u3092\u8cbc\u308a\u307e\u304f\u308a\u3067\u3001\u30c9\u30e1\u30a4\u30f3\u304c\u304b\u306a\u308a\u5206\u6563\u3055\u308c\u3066\u3044\u3066\u3001\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u8cbc\u308a\u307e\u304f\u308a\u3067\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3067\u306fSPDY\u306e\u65e8\u5473\u306f\u8584\u305d\u3046\u3002\u4f8b\u3048\u3070\u300c<a href=\"http:\/\/www.iij.ad.jp\/company\/development\/tech\/activities\/spdy\/\">Web\u8868\u793a\u306e\u9ad8\u901f\u5316\u3092\u5b9f\u73fe\u3059\u308bSPDY\u3068HTTP\/2.0\u306e\u6a19\u6e96\u5316<\/a>\u300d\u3067\u306f\u6b21\u306e\u3088\u3046\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n<blockquote><p>SPDY\u3092\u5c0e\u5165\u3057\u3066\u3082\u3001\u5fc5\u305a\u3057\u3082\u5168\u3066\u306e\u30b5\u30a4\u30c8\u304c\u7121\u6761\u4ef6\u306b\u9ad8\u901f\u5316\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002SPDY\u306e\u6280\u8853\u7684\u306a\u7279\u5fb4\u3092\u6d3b\u304b\u305b\u308b\u69cb\u6210\u3067\u306f\u6027\u80fd\u5411\u4e0a\u3092\u671f\u5f85\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\u3001\u65e2\u5b58\u306e\u74b0\u5883\u3092\u305d\u306e\u307e\u307e\u3067SPDY\u3092\u9069\u5fdc\u3059\u308b\u3068\u3001\u9006\u52b9\u679c\u306b\u306a\u308b\u30b1\u30fc\u30b9\u3082\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u305d\u306e\u3088\u3046\u306a\u69cb\u6210\u30923\u3064\u307b\u3069\u4f8b\u793a\u3057\u307e\u3059\u3002<br \/>\n\u4f8b1\uff1a\u591a\u6570\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u5206\u5272\u3057\u3066\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u914d\u7f6e\u3057\u3066\u3044\u308b\u30b5\u30a4\u30c8<br \/>\nSPDY\u306f1\u3064\u306eTCP\u63a5\u7d9a\u3092\u6700\u5927\u9650\u306b\u52b9\u7387\u5316\u3059\u308b\u3053\u3068\u3067\u9ad8\u901f\u5316\u3092\u56f3\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u3057\u304b\u3057Web\u30b3\u30f3\u30c6\u30f3\u30c4\u5185\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u591a\u6570\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u5206\u5272\u914d\u7f6e\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u305d\u308c\u305e\u308c\u306e\u30c9\u30e1\u30a4\u30f3\u306e\u30db\u30b9\u30c8\u306b\u5bfe\u3057\u3066TCP\u63a5\u7d9a\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u3053\u306e\u3088\u3046\u306a\u30b5\u30a4\u30c8\u3067\u306f\u3001TCP\u63a5\u7d9a\u306e\u30aa\u30fc\u30d0\u30d8\u30c3\u30c9\u3092\u5c0f\u3055\u304f\u3059\u308b\u30e1\u30ea\u30c3\u30c8\u3092\u751f\u304b\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002CDN\u7b49\u3092\u5229\u7528\u3057\u3066\u3001\u5730\u57df\u7684\u306b\u591a\u6570\u306e\u30db\u30b9\u30c8\u30fb\u30c9\u30e1\u30a4\u30f3\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u30ea\u30bd\u30fc\u30b9\u3092\u5206\u5272\u914d\u7f6e\u3057\u3066\u3044\u308b\u30b1\u30fc\u30b9\u304c\u5f53\u3066\u306f\u307e\u308a\u307e\u3059\u3002\uff08\u5148\u8ff0\u3057\u305f\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u8a3c\u660e\u66f8\u3068DNS\u60c5\u5831\u3092\u5171\u6709\u3057\u3066Chrome\u3067\u63a5\u7d9a\u3059\u308b\u5834\u5408\u306f\u4e8b\u60c5\u304c\u7570\u306a\u308a\u307e\u3059\u3002\uff09<\/p><\/blockquote>\n<p>SPDY\u304c\u751f\u304d\u308b\u306e\u306f\u540c\u3058\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u753b\u50cf\u306e\u30b5\u30e0\u30cd\u30a4\u30eb\u304c\u5927\u91cf\u306b\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306a\u30da\u30fc\u30b8\u306a\u3069\u304b\u3068\u601d\u308f\u308c\u307e\u3059\u3002\u3057\u304b\u3082\u3001\u5f93\u6765\u306ehttp\u3067\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u306f\u9006\u306b\u30b9\u30d4\u30fc\u30c9\u3092\u843d\u3068\u3059\u8981\u56e0\u306b\u306a\u3063\u305f\u308a\u3057\u307e\u3059\u3002\u30c9\u30e1\u30a4\u30f3\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0\uff08\u7b11\uff09\u3000\u305d\u3053\u3089\u306e\u30dd\u30a4\u30f3\u30c8\u306f\u300c<a href=\"http:\/\/vwxyz.hateblo.jp\/entry\/20120628\/1340873192\">Guy Podjarny\u300cSPDY\u306f\u307f\u3093\u306a\u601d\u3063\u3066\u308b\u3082\u306e\u3068\u9055\u3046\u300d<\/a>\u300d\u3067\u3082\u6307\u6458\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001SPDY\u306e\u6069\u6075\u306b\u306f\u30b5\u30a4\u30c8\u306eSPDY\u306b\u6700\u9069\u5316\u304c\u5fc5\u8981\u3060\u308d\u3046\u3001\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u9762\u5012\u304f\u3055\u3044\u3067\u3059\u306d \ud83d\ude41<\/p>\n<h3>Windows 7\u4ee5\u4e0b\u306eIE\u306fSPDY\u5bfe\u5fdc\u3057\u3066\u306a\u3044<\/h3>\n<p><a href=\"https:\/\/farm4.staticflickr.com\/3058\/2631894924_129776e3fe_b.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-292 size-full\" src=\"http:\/\/srytk.com\/wp-content\/uploads\/2014\/10\/ie.jpg\" alt=\"ie\" width=\"640\" height=\"480\" \/><\/a><br \/>\nSome rights reserved by <a href=\"https:\/\/www.flickr.com\/photos\/ieteam\/2631894924\/\">ieteam<\/a><\/p>\n<p>IE\u30e6\u30fc\u30b6\u3067SPDY\u304c\u5229\u7528\u3067\u304d\u308b\u306e\u306f<a href=\"http:\/\/msdn.microsoft.com\/ja-jp\/library\/ie\/dn265035(v=vs.85).aspx\">window7 \u3088\u308a\u4e0a\u306ewindows\u3060\u3051<\/a>\u3067\u3059\u3002<\/p>\n<blockquote><p>Internet Explorer 11 \u3067\u306f SPDY\/3 \u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u8907\u6570\u306e HTTP \u8981\u6c42\u3092 1 \u3064\u306e TCP \u63a5\u7d9a\u306b\u591a\u91cd\u5316 (\u7d50\u5408) \u3059\u308b\u65b9\u6cd5\u3092\u5b9a\u7fa9\u3059\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002 \u3053\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u3088\u3063\u3066\u3001Web \u30da\u30fc\u30b8\u306e\u8981\u6c42\u3067\u5fc5\u8981\u3068\u306a\u308b\u500b\u3005\u306e TCP \u63a5\u7d9a\u306e\u6570\u304c\u6e1b\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<br \/>\n\u8a73\u3057\u304f\u306f\u3001SPDY \u30d7\u30ed\u30c8\u30b3\u30eb\u4ed5\u69d8 (\u8349\u6848 3) \u306b\u95a2\u3059\u308b\u30da\u30fc\u30b8\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<br \/>\n\u91cd\u8981 Windows 7 \u306e Internet Explorer 11 \u3067\u306f\u3001\u3053\u306e\u6a5f\u80fd\u306f\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p><\/blockquote>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u591a\u304f\u306eie\u30e6\u30fc\u30b6\u306f\u9045\u304f\u306a\u308b\u3053\u3068\u306f\u3042\u3063\u3066\u3082\u901f\u304f\u306a\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u904e\u5ea6\u671f\u3068\u3044\u3046\u3053\u3068\u3067\u8010\u3048\u308b\u3057\u304b\u306a\u3044\u3067\u3059\u306d\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>Universal SSL\u306f\u591a\u304f\u306e\u30a6\u30a7\u30d6\u5229\u7528\u8005\u306b\u3068\u3063\u3066\u3001\u30b9\u30d4\u30fc\u30c9\u306e\u5411\u4e0a\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u5411\u4e0a\u3055\u308c\u308b\u7d20\u6674\u3089\u3057\u3044\u30b5\u30fc\u30d3\u30b9\u306a\u306e\u306f\u9593\u9055\u3044\u7121\u3044\u3068\u304a\u3082\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30a6\u30a7\u30d6\u5236\u4f5c\u8005\u3084\u30d6\u30ed\u30ac\u30fc\u306b\u3068\u3063\u3066\u306f\u3001\u8ca0\u62c5\u304c\u5897\u3048\u308b\u3053\u3068\u306b\u306a\u308a\u304b\u306d\u307e\u305b\u3093\u3002\u7279\u306b\u79c1\u306e\u3088\u3046\u306b\u8da3\u5473\u3067\u30d6\u30ed\u30b0\u3084\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u3092\u3084\u3063\u3066\u3044\u308b\u3088\u3046\u306a\u5834\u5408\u306f\u3001\u3088\u304f\u8003\u3048\u3066https\u5316\u3057\u305f\u307b\u3046\u304c\u826f\u3055\u305d\u3046\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>2014\u5e749\u6708\u672b\u3001CDN\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308bCloudFlare\u304c\u300cUniversal 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