{"id":18065,"date":"2025-06-30T15:43:34","date_gmt":"2025-06-30T06:43:34","guid":{"rendered":"https:\/\/www.secuavail.com\/kb\/?p=18065"},"modified":"2025-07-03T11:57:52","modified_gmt":"2025-07-03T02:57:52","slug":"se-vol-3","status":"publish","type":"post","link":"https:\/\/www.secuavail.com\/kb\/nw-device\/big-ip\/se-vol-3\/","title":{"rendered":"\u73fe\u5834SE\u596e\u95d8\u8a18 vol.3 \u300cWeb\u306e\u5f8c\u65b9\u4e92\u63db\u6027\u306b\u611f\u8b1d\u300d"},"content":{"rendered":"<p>\u7b46\u81f4\u306b\u3064\u3044\u3066\u306f\u30bf\u30a4\u30c8\u30eb\u6bce\u306b\u7d71\u4e00\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u3042\u3089\u304b\u3058\u3081\u3054\u4e86\u627f\u304f\u3060\u3055\u3044\u3002<br \/>\n<span><\/span><br \/>\n<strong>\u300c\u91cd\u8981\u306a\u306e\u306f\u3001\u5909\u308f\u3089\u306a\u3044\u3053\u3068\u3060\u3002\u30a6\u30a7\u30d6\u306f\u3001\u4eba\u3005\u304c\u3059\u3067\u306b\u4f7f\u3063\u3066\u3044\u308b\u3082\u306e\u3092\u58ca\u3059\u3053\u3068\u306a\u304f\u9032\u5316\u3067\u304d\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u300d<\/strong><br \/>\n(\"What\u2019s important is the thing that doesn\u2019t change.The Web must be able to evolve without breaking what people already use. \")<br \/>\n\u2014 Tim Berners-Lee<br \/>\n<span><\/span><br \/>\nIT\u306e\u4e16\u754c\u3067\u306f\u3069\u3093\u3069\u3093\u3068\u65b0\u3057\u3044\u6280\u8853\u304c\u751f\u307e\u308c\u3066\u3044\u304f\u3002<br \/>\n\u6700\u8fd1\u3067\u306f\u751f\u6210AI\u304c\u30a2\u30c4\u3044\u3002<br \/>\n\u305f\u3060\u3001\u6280\u8853\u306e\u9032\u6b69\u3068\u3044\u3046\u306e\u306f\u5fc5\u305a\u3057\u3082\u76ee\u306b\u3064\u304f\u3082\u306e\u3068\u306f\u9650\u3089\u306a\u3044\u3002<br \/>\nWeb\u306e\u6280\u8853\u3067\u306f\u7279\u306b\u9032\u6b69\u304c\u76ee\u307e\u3050\u308b\u3057\u3044\u304c\u3001\u4eca\u56de\u306f\u3001HTTP\/1.1 \u304b\u3089 HTTP\/2 \u3078\u79fb\u884c\u3059\u308b\u904e\u7a0b\u3067\u6c17\u4ed8\u3044\u305f \u201c\u3042\u308b\u7591\u554f\u201d \u3068 \u201c\u78ba\u8a8d\u7d50\u679c\u201d \u3092\u5171\u6709\u3057\u305f\u3044\u3002<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.secuavail.com\/kb\/nw-device\/big-ip\/se-vol-3\/#%E3%81%82%E3%82%8B%E7%96%91%E5%95%8F\" >\u3042\u308b\u7591\u554f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.secuavail.com\/kb\/nw-device\/big-ip\/se-vol-3\/#%E6%A4%9C%E8%A8%BC\" >\u691c\u8a3c<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.secuavail.com\/kb\/nw-device\/big-ip\/se-vol-3\/#HTTP11\" >HTTP\/1.1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.secuavail.com\/kb\/nw-device\/big-ip\/se-vol-3\/#HTTP2\" >HTTP\/2<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.secuavail.com\/kb\/nw-device\/big-ip\/se-vol-3\/#%E7%B5%90%E6%9E%9C\" >\u7d50\u679c<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%E3%81%82%E3%82%8B%E7%96%91%E5%95%8F\"><\/span><strong>\u3042\u308b\u7591\u554f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>HTTP \u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u6c17\u306b\u3057\u3066\u3044\u308b\u4eba\u306f\u591a\u304f\u306a\u3044\u3068\u601d\u3046\u3002<br \/>\n\u307e\u305a\u3001\u3072\u3068\u6614\u524d\u306e\u4e3b\u6d41\u306f HTTP\/1.1 \u3060\u3063\u305f\u3002<\/p>\n<p>HTTP\/1.1 \u3067\u306e\u5909\u66f4\u70b9\u306f\u591a\u3044\u304c\u3001\u4ee3\u8868\u4f8b\u3068\u3057\u3066 Host \u30d8\u30c3\u30c0\u306e\u5fc5\u9808\u5316\u3068\u6301\u7d9a\u63a5\u7d9a\uff08Keep-Alive\uff09\u306e\u6a19\u6e96\u5316 \u304c\u3042\u308b\u3002<br \/>\nHost \u30d8\u30c3\u30c0\u306b\u3088\u308a \u201cname-based virtual host\u201d \u304c\u5b9f\u73fe\u3057\u305f\u3002Host \u30d8\u30c3\u30c0\u306b\u306f\u30a2\u30af\u30bb\u30b9\u5148\u306e FQDN \u304c\u542b\u307e\u308c\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u671b\u3080\u30db\u30b9\u30c8\u3092\u8b58\u5225\u3067\u304d\u308b\u3002<\/p>\n<p>\u3053\u306e\u4ed5\u7d44\u307f\u306b\u3088\u308a\u30011 \u3064\u306e IP \u30a2\u30c9\u30ec\u30b9\u306b\u8907\u6570\u306e\u516c\u958b FQDN \u3092\u7d10\u3065\u3051\u3089\u308c\u3001\u30a4\u30f3\u30d5\u30e9\u898f\u6a21\u3092\u7e2e\u5c0f\u3067\u304d\u308b\u3002<br \/>\n\u203b \u8fd1\u5e74\u306f\u5e38\u6642 HTTPS \u304c\u5f53\u305f\u308a\u524d\u3068\u306a\u308a\u3001TLS \u306e SNI (Server Name Indication) \u3082\u95a2\u4e0e\u3059\u308b\u3002<\/p>\n<p>HTTP\/2 \u3067\u306f\u3055\u3089\u306b\u5927\u304d\u306a\u5909\u5316\u304c\u3042\u3063\u305f\u3002<br \/>\nWeb \u304c\u4e3b\u8981\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u306a\u308a\u3001\u3084\u308a\u53d6\u308a\u3059\u308b\u30c7\u30fc\u30bf\u91cf\u304c\u5897\u52a0\u3057\u305f\u3053\u3068\u3067\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u81ea\u4f53\u304c\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3068\u306a\u308b\u5834\u9762\u304c\u3042\u3063\u305f\u3002\u3088\u308a\u52b9\u7387\u7684\u306a \u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306bHTTP\/2 \u304c\u7b56\u5b9a\u3055\u308c\u305f\u3002<\/p>\n<p>\u304b\u3064\u3066\u306f\u300cWeb \u901a\u4fe1\u306e\u534a\u5206\u304c HTTP\/2 \u3078\u79fb\u884c\u3057\u3064\u3064\u3042\u308b\u300d\u3068\u8a00\u308f\u308c\u3066\u3044\u305f\u304c\u30012025 \u5e74\u73fe\u5728\u3001\u30b5\u30a4\u30c8\u30d9\u30fc\u30b9\u306e\u63a1\u7528\u7387\u306f\u7d04 33 %\u3002\u305f\u3060\u3057\u5927\u898f\u6a21\u30b5\u30a4\u30c8\u306b\u9650\u308c\u3070\u904e\u534a\u6570\u304c HTTP\/2 \u3092\u5229\u7528\u3057\u3066\u3044\u308b\u3002\u4e3b\u8981 CDN\uff08Cloudflare \u306a\u3069\uff09\u3082\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304a\u308a\u3001\u5b9f\u969b\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u6bd4\u7387\u306f\u30b5\u30a4\u30c8\u6570\u3088\u308a\u9ad8\u3044\u3068\u898b\u8fbc\u307e\u308c\u308b\u3002<\/p>\n<p>\uff08\u5b9f\u969b\u306b\u306f HTTP\/3 \u3092 Google \u3084 YouTube \u304c\u7a4d\u6975\u7684\u306b\u4f7f\u3063\u3066\u304a\u308a\u3001\u52d5\u753b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u52a0\u5473\u3059\u308b\u3068 HTTP\/3 \u306e\u65b9\u304c\u30d0\u30a4\u30c8\u6570\u3067\u4e0a\u56de\u308b\u53ef\u80fd\u6027\u3082\u3042\u308b\u3002\u8a73\u7d30\u306a\u7d71\u8a08\u306f\u516c\u958b\u60c5\u5831\u304c\u9650\u3089\u308c\u308b\u305f\u3081\u63a8\u6e2c\u306b\u7559\u307e\u308b\u3002\uff09<\/p>\n<p>HTTP\/2 \u306f HTTP\/1.1 \u306e\u3088\u3046\u306a\u30c6\u30ad\u30b9\u30c8\u5f62\u5f0f\u3067\u306f\u306a\u304f\u3001\u30d0\u30a4\u30ca\u30ea\u5f62\u5f0f \u306b\u5909\u66f4\u3055\u308c\u305f\u3002<br \/>\n\u4ed6\u306b\u3082\u591a\u304f\u306e\u4ed5\u69d8\u8ffd\u52a0\u304c\u3042\u308b\u304c\u3001\u3053\u3053\u3067\u306f\u3053\u306e\u70b9\u306b\u7740\u76ee\u3059\u308b\u3002<\/p>\n<p>\u30d0\u30a4\u30ca\u30ea\u5316\u306b\u4f34\u3044\u3001HTTP \u306e\u30ea\u30af\u30a8\u30b9\u30c8\uff0f\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u60c5\u5831\u306f \u201c\u7591\u4f3c\u30d8\u30c3\u30c0\u201d \u3068\u547c\u3070\u308c\u308b\u5f62\u5f0f\u3067\u8868\u73fe\u3055\u308c\u308b\u3002<\/p>\n<p># HTTP\/1.1<\/p>\n<p>GET \/index.html HTTP\/1.1<br \/>\nHost: example.com<\/p>\n<p># HTTP\/2<\/p>\n<p>:method: GET<br \/>\n:scheme: https<br \/>\n:authority: example.com<br \/>\n:path: \/index.html<\/p>\n<p><a href=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/66c19942ab4ba346fdb64ccc04cde373.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-18068 size-full\" style=\"font-size: 14px;\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/66c19942ab4ba346fdb64ccc04cde373.png\" alt=\"\" width=\"346\" height=\"118\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/66c19942ab4ba346fdb64ccc04cde373.png 346w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/66c19942ab4ba346fdb64ccc04cde373-300x102.png 300w\" sizes=\"auto, (max-width: 346px) 100vw, 346px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>\u3053\u3053\u3067\u6ce8\u76ee\u3057\u305f\u3044\u306e\u306f<span style=\"font-size: 14px;\">\u3001HTTP\/1.1 \u3067\u306f Host \u30d8\u30c3\u30c0\u3001HTTP\/2 \u3067\u306f :authority \u7591\u4f3c\u30d8\u30c3\u30c0\u304c\u30db\u30b9\u30c8\u540d\u3092\u793a\u3059\u70b9\u3060\u3002<\/span><\/p>\n<p>\u300cHTTP\/1.1 \u6642\u4ee3\u306e\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u3084 Web \u30b5\u30fc\u30d0\u306f Host \u30d8\u30c3\u30c0\u3092\u57fa\u306b\u5236\u5fa1\u3057\u3066\u3044\u305f\u304c\u3001HTTP\/2 \u3067\u306f :authority \u3092\u57fa\u306b\u5236\u5fa1\u3092\u5207\u308a\u66ff\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u3060\u308d\u3046\u304b\uff1f\u300d\u3068\u3044\u3046\u7591\u554f\u304c\u6e67\u3044\u305f\u2500\u2500\u3053\u308c\u304c\u4eca\u56de\u306e\u30c6\u30fc\u30de\u3067\u3042\u308b\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E6%A4%9C%E8%A8%BC\"><\/span>\u691c\u8a3c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>BIG-IP\u3092\u4f7f\u3063\u305f\u691c\u8a3c\u3092\u884c\u3046<\/p>\n<p>BIG-IP v17.1\u3092\u5229\u7528\u3059\u308b\u3002<\/p>\n<p><a href=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/44d29d2792be3bad9a9ed98c7bbb20d6.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18070 size-full\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/44d29d2792be3bad9a9ed98c7bbb20d6.png\" alt=\"\" width=\"548\" height=\"160\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/44d29d2792be3bad9a9ed98c7bbb20d6.png 548w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/44d29d2792be3bad9a9ed98c7bbb20d6-300x88.png 300w\" sizes=\"auto, (max-width: 548px) 100vw, 548px\" \/><\/a><\/p>\n<p>\u203bBIG-IP\u3068Server\u9593\u306fHTTP\/1.1\u3067\u3059\u3002<\/p>\n<p><span style=\"font-size: 16px;\"><a href=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/0e4aae38a1f5494592124a884058f7cb.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-18071 size-full\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/0e4aae38a1f5494592124a884058f7cb.png\" alt=\"\" width=\"567\" height=\"100\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/0e4aae38a1f5494592124a884058f7cb.png 567w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/0e4aae38a1f5494592124a884058f7cb-300x53.png 300w\" sizes=\"auto, (max-width: 567px) 100vw, 567px\" \/><\/a><\/span><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>LTM\u30dd\u30ea\u30b7\u30fc\u306b\u3066\u3001\u4e0a\u8a18\u306e\u8a18\u8ff0\u3092\u884c\u3044\u3001HTTP\u30db\u30b9\u30c8\u30d8\u30c3\u30c0\u304cexample.com\u3060\u3063\u305f\u3089\u30ea\u30af\u30a8\u30b9\u30c8\u30d8\u30c3\u30c0\u306b\u7279\u5225\u306a\u30d8\u30c3\u30c0\u3092\u633f\u5165\u3059\u308b\u3002<br \/>\n\u5229\u7528\u3059\u308b\u30b5\u30fc\u30d0\u3067\u306f\u3001\u9001\u4fe1\u3055\u308c\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u5185\u5bb9\u3092\u30ec\u30b9\u30dd\u30f3\u30b9\u672c\u6587\u3067\u8868\u793a\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u52d5\u3044\u3066\u3044\u308b\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"HTTP11\"><\/span><span lang=\"EN-US\">HTTP\/1.1<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/4.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18072 size-full\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/4.png\" alt=\"\" width=\"450\" height=\"209\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/4.png 450w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/4-300x139.png 300w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>\u60f3\u5b9a\u901a\u308a\u3001hitrule\u30d8\u30c3\u30c0\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n<p><a href=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/5.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18073 size-full\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/5.png\" alt=\"\" width=\"440\" height=\"185\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/5.png 440w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/5-300x126.png 300w\" sizes=\"auto, (max-width: 440px) 100vw, 440px\" \/><\/a><\/p>\n<p><span data-teams=\"true\">www.secuavail.com\u3092Host\u30d8\u30c3\u30c0\u306b\u3082\u3064\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u306f\u3001hitrule\u30d8\u30c3\u30c0\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u306a\u3044\u3002<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"HTTP2\"><\/span><strong>HTTP\/2<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/6.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18074 size-full\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/6.png\" alt=\"\" width=\"443\" height=\"182\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/6.png 443w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/6-300x123.png 300w\" sizes=\"auto, (max-width: 443px) 100vw, 443px\" \/><\/a><\/p>\n<p>\u60f3\u5b9a\u901a\u308a\u3001hitrule\u30d8\u30c3\u30c0\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n<p><a href=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/7.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18075 size-full\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/7.png\" alt=\"\" width=\"438\" height=\"156\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/7.png 438w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/06\/7-300x107.png 300w\" sizes=\"auto, (max-width: 438px) 100vw, 438px\" \/><\/a><\/p>\n<p>\u203bBIG-IP\u306b\u3088\u3063\u3066HTTP\/1.1\u306b\u5207\u66ff\u3048\u3089\u308c\u308b\u305f\u3081\u3001\u7591\u4f3c\u30d8\u30c3\u30c0\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3002<\/p>\n<p>\u305d\u306e\u4ed6\u3001\u5225\u306e\u6307\u5b9a\u65b9\u6cd5\u3092\u884c\u3063\u305f\u3068\u3057\u3066\u3082\u3001\u540c\u3058\u6319\u52d5\u3067\u3042\u308a\u3001HTTP\/2\u306b\u304a\u3044\u3066\u3082Host\u30d8\u30c3\u30c0\u3067\u306e\u5236\u5fa1\u304c\u6709\u52b9\u3060\u3063\u305f\u3002authority\u30d8\u30c3\u30c0\u3092\u6307\u5b9a\u3057\u305f\u5236\u5fa1\u8a2d\u5b9a\u3092\u5165\u308c\u3066\u307f\u305f\u304c\u3001\u52d5\u4f5c\u306f\u3057\u306a\u304b\u3063\u305f\u3002authority\u30d8\u30c3\u30c0\u3067\u306e\u5236\u5fa1\u306f\u8003\u3048\u306a\u3044\u307b\u3046\u304c\u3088\u3055\u305d\u3046\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E7%B5%90%E6%9E%9C\"><\/span>\u7d50\u679c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>HTTP\/2\u306b\u304a\u3044\u3066\u3001Host\u540d\u306b\u95a2\u3059\u308b\u5236\u5fa1\u3092\u884c\u3046\u306b\u3042\u305f\u3063\u3066\u3001authority\u30d8\u30c3\u30c0\u304c\u5229\u7528\u3055\u308c\u308b\u3053\u3068\u3092\u8a8d\u77e5\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u306a\u3044\u3053\u3068\u304c\u308f\u304b\u3063\u305f\u3002<br \/>\n\u3044\u304f\u3064\u304b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u63a2\u3057\u305f\u3068\u3053\u308d\u3001RFC 7040\u306e\u4ee5\u4e0b\u306e\u8a18\u8ff0\u306b\u3088\u308a\u3001BIG-IP\u304cHTTP\/1.1\u306e\u9069\u5207\u306a\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u5909\u63db\u3057\u3066\u3044\u308b\u3082\u306e\u3068\u601d\u308f\u308c\u308b\u3002<\/p>\n<p>An intermediary that converts an HTTP\/2 request to HTTP\/1.1 MUST create a Host header field if one is not present in a request by copying the value of the \":authority\" pseudo-header field.<\/p>\n<p>\uff08HTTP \/ 2\u30ea\u30af\u30a8\u30b9\u30c8\u3092HTTP \/ 1.1\u306b\u5909\u63db\u3059\u308b\u4ef2\u4ecb\u8005\u306f\u3001 \"\uff1aauthority\"\u7591\u4f3c\u30d8\u30c3\u30c0\u30fc\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5024\u3092\u30b3\u30d4\u30fc\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u30db\u30b9\u30c8\u30d8\u30c3\u30c0\u30fc\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u306a\u3044\u5834\u5408\u306f\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\uff09<br \/>\n\uff08<a href=\"https:\/\/tex2e.github.io\/rfc-translater\/html\/rfc7540.html\">https:\/\/tex2e.github.io\/rfc-translater\/html\/rfc7540.html<\/a>\u3088\u308a\uff09<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001\u57fa\u672c\u7684\u306b\u306fHost\u30d8\u30c3\u30c0\u3067\u306e\u5236\u5fa1\u3068\u3044\u3046\u52d5\u4f5c\u306f\u4fdd\u969c\u3055\u308c\u3066\u3044\u308b\u3002<br \/>\n\u203b\u4e00\u90e8\u4f8b\u5916\u7684\u306a\u3082\u306e\u3068\u3057\u3066\u306f\u3001Envoy\u3067\u306fHost\u30d8\u30c3\u30c0\u3092\u4f7f\u308f\u305a\u306b\u3080\u3057\u308dauthority\u30d8\u30c3\u30c0\u306e\u307f\u3092\u4f7f\u3046\u3089\u3057\u3044\u3002<\/p>\n<p>authority\u30d8\u30c3\u30c0\u306e\u5024\u3068Host\u30d8\u30c3\u30c0\u306f\u540c\u3058\u5024\u306b\u306a\u3089\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3068\u3044\u3046\u306e\u3082Must Not\u3068\u3057\u3066\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001Host\u30d8\u30c3\u30c0\u3068authority\u30d8\u30c3\u30c0\u306e\u5024\u306e\u4e0d\u4e00\u81f4\u3092\u30e6\u30fc\u30b6\u5074\u304c\u6c17\u306b\u3059\u308b\u5fc5\u8981\u306a\u3055\u305d\u3046\u3002\uff08\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u306e\u5b9f\u88c5\u306e\u4e0d\u5099\u3068\u304b\u306f\u3042\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u304c\uff09<\/p>\n<p>Clients that generate HTTP\/2 requests directly MUST use the \":authority\" pseudo-header field to convey authority information, unless there is no authority information to convey (in which case it MUST NOT generate \":authority\").<br \/>\nClients MUST NOT generate a request with a Host header field that differs from the \":authority\" pseudo-header field.<\/p>\n<p>\uff08HTTP\/2 \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u76f4\u63a5\u751f\u6210\u3059\u308b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u3001\u4f1d\u3048\u308b\u3079\u304d\u6a29\u9650\u60c5\u5831\u304c\u306a\u3044\u5834\u5408 (\u305d\u306e\u5834\u5408\u306f \u300c:authority\u300d \u3092\u751f\u6210\u3057\u3066\u306f\u306a\u308a\u307e\u305b\u3093 (MUST NOT))\u3092\u9664\u304d\u3001\u6a29\u9650\u60c5\u5831\u3092\u4f1d\u3048\u308b\u305f\u3081\u306b \u300c:authority\u300d \u64ec\u4f3c\u30d8\u30c3\u30c0\u30fc\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u4f7f\u7528\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093 (MUST)\u3002<\/p>\n<p>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u3001\u300c:authority\u300d \u64ec\u4f3c\u30d8\u30c3\u30c0\u30fc\u30d5\u30a3\u30fc\u30eb\u30c9\u3068\u7570\u306a\u308b Host \u30d8\u30c3\u30c0\u30fc\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u6301\u3064\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u751f\u6210\u3057\u3066\u306f\u306a\u308a\u307e\u305b\u3093 (MUST NOT)\u3002\uff09<\/p>\n<p>\uff08<a href=\"https:\/\/tex2e.github.io\/rfc-translater\/html\/rfc9113.html\">https:\/\/tex2e.github.io\/rfc-translater\/html\/rfc9113.html<\/a>\u3088\u308a\uff09<\/p>\n<h1>\u611f\u60f3<\/h1>\n<p>HTTP\/2\u3068HTTP\/1.1\u306e\u4e92\u63db\u6027\u3092\u53d6\u308b\u305f\u3081\u306e\u30eb\u30fc\u30eb\u304cRFC\u306b\u660e\u793a\u7684\u306b\u5b9a\u3081\u3089\u308c\u3066\u3044\u307e\u3057\u305f\u3002<br \/>\nHost\u30d8\u30c3\u30c0\u306e\u52d5\u4f5c\u3068authority\u30d8\u30c3\u30c0\u3092\u5225\u3005\u306e\u3082\u306e\u3068\u3057\u3066\u6271\u3046\u5834\u5408\u3001HTTP\/2\u3092\u6709\u52b9\u5316\u3057\u305f\u3089\u6025\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u53d7\u3051\u53d6\u308c\u306a\u304f\u306a\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3057\u305f\u3002\u305d\u308c\u304c\u8d77\u304d\u3066\u3044\u306a\u3044\u306e\u306f\u3001\u5f8c\u65b9\u4e92\u63db\u6027\u3092\u5927\u4e8b\u306b\u3001Web\u306e\u30eb\u30fc\u30eb\u3092\u7b56\u5b9a\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3060\u3068\u611f\u3058\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u7b46\u81f4\u306b\u3064\u3044\u3066\u306f\u30bf\u30a4\u30c8\u30eb\u6bce\u306b\u7d71\u4e00\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u3042\u3089\u304b\u3058\u3081\u3054\u4e86\u627f\u304f\u3060\u3055\u3044\u3002 \u300c\u91cd\u8981\u306a\u306e\u306f\u3001\u5909\u308f\u3089\u306a\u3044\u3053\u3068\u3060\u3002\u30a6\u30a7\u30d6\u306f\u3001\u4eba\u3005\u304c\u3059\u3067\u306b\u4f7f\u3063\u3066\u3044\u308b\u3082\u306e\u3092\u58ca\u3059\u3053\u3068\u306a\u304f\u9032\u5316\u3067\u304d\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u300d (\"What\u2019s importan [&hellip;]","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[59],"tags":[28],"class_list":["post-18065","post","type-post","status-publish","format-standard","hentry","category-big-ip","tag-big-ip"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.secuavail.com\/kb\/wp-json\/wp\/v2\/posts\/18065","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.secuavail.com\/kb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.secuavail.com\/kb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.secuavail.com\/kb\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.secuavail.com\/kb\/wp-json\/wp\/v2\/comments?post=18065"}],"version-history":[{"count":12,"href":"https:\/\/www.secuavail.com\/kb\/wp-json\/wp\/v2\/posts\/18065\/revisions"}],"predecessor-version":[{"id":18092,"href":"https:\/\/www.secuavail.com\/kb\/wp-json\/wp\/v2\/posts\/18065\/revisions\/18092"}],"wp:attachment":[{"href":"https:\/\/www.secuavail.com\/kb\/wp-json\/wp\/v2\/media?parent=18065"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.secuavail.com\/kb\/wp-json\/wp\/v2\/categories?post=18065"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.secuavail.com\/kb\/wp-json\/wp\/v2\/tags?post=18065"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}