{"id":477527,"date":"2023-08-09T09:16:12","date_gmt":"2023-08-09T09:16:12","guid":{"rendered":""},"modified":"2023-09-05T11:14:52","modified_gmt":"2023-09-05T11:14:52","slug":"hyper-text-transfer-protocol-http","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/hyper-text-transfer-protocol-http\/","title":{"rendered":"\u30cf\u30a4\u30d1\u30fc\u30c6\u30ad\u30b9\u30c8\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb (HTTP)"},"content":{"rendered":"<p>\u30cf\u30a4\u30d1\u30fc\u30c6\u30ad\u30b9\u30c8\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb (HTTP) \u306f\u3001\u30ef\u30fc\u30eb\u30c9 \u30ef\u30a4\u30c9 \u30a6\u30a7\u30d6\u4e0a\u306e\u901a\u4fe1\u306b\u4f7f\u7528\u3055\u308c\u308b\u91cd\u8981\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002Web \u30d6\u30e9\u30a6\u30b6\u30fc\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u30c7\u30fc\u30bf\u901a\u4fe1\u306e\u57fa\u76e4\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u30c6\u30ad\u30b9\u30c8\u3001\u753b\u50cf\u3001\u30d3\u30c7\u30aa\u3001\u305d\u306e\u4ed6\u306e\u30ea\u30bd\u30fc\u30b9\u306a\u3069\u306e Web \u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u53d6\u5f97\u3068\u8868\u793a\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002HTTP \u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u95b2\u89a7\u3059\u308b\u969b\u306e\u30e6\u30fc\u30b6\u30fc \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u5f62\u6210\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30cf\u30a4\u30d1\u30fc\u30c6\u30ad\u30b9\u30c8\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb (HTTP) \u306e\u8d77\u6e90\u3068\u305d\u306e\u6700\u521d\u306e\u8a00\u53ca\u306e\u6b74\u53f2\u3002<\/h2>\n<p>HTTP \u306e\u8d77\u6e90\u306f\u3001\u82f1\u56fd\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u79d1\u5b66\u8005 Tim Berners-Lee \u304c World Wide Web \u306e\u6982\u5ff5\u3092\u8003\u6848\u3057\u305f 1980 \u5e74\u4ee3\u5f8c\u534a\u306b\u307e\u3067\u9061\u308a\u307e\u3059\u30021989 \u5e74 3 \u6708\u3001Berners-Lee \u306f CERN (\u6b27\u5dde\u539f\u5b50\u6838\u7814\u7a76\u6a5f\u69cb) \u3067\u52e4\u52d9\u4e2d\u306b\u3001\u300c\u60c5\u5831\u7ba1\u7406: \u63d0\u6848\u300d\u3068\u3044\u3046\u30bf\u30a4\u30c8\u30eb\u306e\u63d0\u6848\u3092\u767a\u8868\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u6587\u66f8\u3067\u306f\u30cf\u30a4\u30d1\u30fc\u30ea\u30f3\u30af\u306e\u6982\u5ff5\u304c\u7d39\u4ecb\u3055\u308c\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u30b7\u30f3\u30d7\u30eb\u306a\u30c6\u30ad\u30b9\u30c8\u30d9\u30fc\u30b9\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3055\u307e\u3056\u307e\u306a\u60c5\u5831\u9593\u3092\u79fb\u52d5\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>World Wide Web \u304c\u9032\u5316\u3059\u308b\u306b\u3064\u308c\u3001\u30d0\u30fc\u30ca\u30fc\u30ba=\u30ea\u30fc\u306f 1991 \u5e74\u306b HTTP\/0.9 \u3068\u3057\u3066\u77e5\u3089\u308c\u308b HTTP \u306e\u6700\u521d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u958b\u767a\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u521d\u671f\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u30b5\u30fc\u30d0\u30fc\u306b HTML \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u8981\u6c42\u3057\u3066\u53d7\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u30b7\u30f3\u30d7\u30eb\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3057\u305f\u3002HTTP \u306f\u9577\u5e74\u306b\u308f\u305f\u308a\u5927\u5e45\u306a\u6a5f\u80fd\u5f37\u5316\u304c\u884c\u308f\u308c\u30011996 \u5e74\u306b\u306f HTTP\/1.0\u30011999 \u5e74\u306b\u306f HTTP\/1.1 \u306b\u306a\u308a\u307e\u3057\u305f\u3002HTTP\/1.1 \u306e\u63a1\u7528\u306b\u3088\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3057\u3001\u8907\u6570\u306e\u8981\u6c42\u306b\u5bfe\u3057\u3066\u63a5\u7d9a\u3092\u518d\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u5f85\u3061\u6642\u9593\u304c\u77ed\u7e2e\u3055\u308c\u3001\u5168\u4f53\u7684\u306a\u52b9\u7387\u304c\u5411\u4e0a\u3057\u307e\u3057\u305f\u3002<\/p>\n<h2>\u30cf\u30a4\u30d1\u30fc\u30c6\u30ad\u30b9\u30c8\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb (HTTP) \u306b\u95a2\u3059\u308b\u8a73\u7d30\u60c5\u5831\u3002\u30c8\u30d4\u30c3\u30af\u300c\u30cf\u30a4\u30d1\u30fc\u30c6\u30ad\u30b9\u30c8\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb (HTTP)\u300d\u306e\u62e1\u5f35\u3002<\/h2>\n<p>HTTP \u306f\u3001TCP\/IP \u30b9\u30a4\u30fc\u30c8\u306e\u4e0a\u3067\u52d5\u4f5c\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3042\u308a\u3001Web \u30d6\u30e9\u30a6\u30b6\u3068\u30b5\u30fc\u30d0\u30fc\u304c\u901a\u4fe1\u3059\u308b\u305f\u3081\u306e\u6a19\u6e96\u5316\u3055\u308c\u305f\u65b9\u6cd5\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8 \u30b5\u30fc\u30d0\u30fc \u30e2\u30c7\u30eb\u3092\u4f7f\u7528\u3057\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8 (\u901a\u5e38\u306f Web \u30d6\u30e9\u30a6\u30b6) \u304c\u30b5\u30fc\u30d0\u30fc\u306b\u8981\u6c42\u3092\u9001\u4fe1\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u8981\u6c42\u3092\u51e6\u7406\u3057\u3066\u3001\u8981\u6c42\u3055\u308c\u305f\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u542b\u3080\u5fdc\u7b54\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<p>\u30e6\u30fc\u30b6\u30fc\u304c Web \u30d6\u30e9\u30a6\u30b6\u306b URL (Uniform Resource Locator) \u3092\u5165\u529b\u3057\u3066 Enter \u30ad\u30fc\u3092\u62bc\u3059\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u76ee\u7684\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30db\u30b9\u30c8\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u306b HTTP \u8981\u6c42\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u306f\u8981\u6c42\u3092\u51e6\u7406\u3057\u3001\u8981\u6c42\u3055\u308c\u305f\u30b3\u30f3\u30c6\u30f3\u30c4\u3068\u95a2\u9023\u3059\u308b\u30b9\u30c6\u30fc\u30bf\u30b9\u60c5\u5831\u3092\u542b\u3080 HTTP \u5fdc\u7b54\u3092\u8fd4\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001HTTP \u5fdc\u7b54\u306f Web \u30d6\u30e9\u30a6\u30b6\u306b\u3088\u3063\u3066\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u3001\u30e6\u30fc\u30b6\u30fc\u306f Web \u30da\u30fc\u30b8\u3092\u64cd\u4f5c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u30cf\u30a4\u30d1\u30fc\u30c6\u30ad\u30b9\u30c8\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb (HTTP) \u306e\u5185\u90e8\u69cb\u9020\u3002 \u30cf\u30a4\u30d1\u30fc\u30c6\u30ad\u30b9\u30c8\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb (HTTP) \u306e\u4ed5\u7d44\u307f\u3002<\/h2>\n<p>HTTP \u30e1\u30c3\u30bb\u30fc\u30b8 (\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u4e21\u65b9) \u306f\u3001\u30d8\u30c3\u30c0\u30fc\u3068\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u672c\u6587\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002\u30d8\u30c3\u30c0\u30fc\u306b\u306f\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u7a2e\u985e\u3001\u30ad\u30e3\u30c3\u30b7\u30e5 \u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3001\u8a8d\u8a3c\u306e\u8a73\u7d30\u306a\u3069\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u95a2\u3059\u308b\u91cd\u8981\u306a\u60c5\u5831\u3092\u63d0\u4f9b\u3059\u308b\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u4e00\u90e8\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u5b58\u5728\u3059\u308b\u672c\u6587\u306b\u306f\u3001HTML\u3001\u753b\u50cf\u3001\u3055\u307e\u3056\u307e\u306a\u5f62\u5f0f\u306e\u30c7\u30fc\u30bf\u306a\u3069\u3001\u5b9f\u969b\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<p>HTTP \u306f\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u76ee\u7684\u3092\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u306b\u3055\u307e\u3056\u307e\u306a\u30e1\u30bd\u30c3\u30c9 (\u52d5\u8a5e\u3068\u3082\u547c\u3070\u308c\u307e\u3059) \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u6700\u3082\u4e00\u822c\u7684\u306a\u30e1\u30bd\u30c3\u30c9\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li>GET: \u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30ea\u30bd\u30fc\u30b9\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n<li>POST: \u30b5\u30fc\u30d0\u30fc\u3067\u51e6\u7406\u3055\u308c\u308b\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u30d5\u30a9\u30fc\u30e0\u3067\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<li>PUT: \u30b5\u30fc\u30d0\u30fc\u4e0a\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u66f4\u65b0\u307e\u305f\u306f\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002<\/li>\n<li>DELETE: \u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30ea\u30bd\u30fc\u30b9\u3092\u524a\u9664\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u3055\u3089\u306b\u3001HEAD\u3001OPTIONS\u3001PATCH \u306a\u3069\u306e\u4ed6\u306e\u30e1\u30bd\u30c3\u30c9\u3082\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u901a\u4fe1\u3067\u7279\u5b9a\u306e\u76ee\u7684\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<p>HTTP \u306f\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u7d50\u679c\u3092\u793a\u3059\u30b9\u30c6\u30fc\u30bf\u30b9 \u30b3\u30fc\u30c9\u3082\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u30b9\u30c6\u30fc\u30bf\u30b9 \u30b3\u30fc\u30c9\u306b\u306f\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>200 OK: \u30ea\u30af\u30a8\u30b9\u30c8\u306f\u6210\u529f\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u306f\u8981\u6c42\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u8fd4\u3057\u307e\u3057\u305f\u3002<\/li>\n<li>404 \u898b\u3064\u304b\u308a\u307e\u305b\u3093: \u8981\u6c42\u3055\u308c\u305f\u30ea\u30bd\u30fc\u30b9\u304c\u30b5\u30fc\u30d0\u30fc\u4e0a\u306b\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/li>\n<li>500 \u5185\u90e8\u30b5\u30fc\u30d0\u30fc \u30a8\u30e9\u30fc: \u8981\u6c42\u306e\u51e6\u7406\u4e2d\u306b\u30b5\u30fc\u30d0\u30fc\u3067\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002<\/li>\n<\/ul>\n<p>HTTP \u306f\u3001\u57fa\u76e4\u3068\u306a\u308b\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u57fa\u3065\u3044\u3066\u3001HTTP over TCP \u3068 HTTP over QUIC (Quick UDP Internet Connections) \u306e 2 \u7a2e\u985e\u306b\u5206\u985e\u3067\u304d\u307e\u3059\u3002HTTP\/1.1 \u3068 HTTP\/2 \u306f\u901a\u5e38\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u3057\u3066 TCP \u3092\u4f7f\u7528\u3057\u307e\u3059\u304c\u3001\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306e HTTP\/3 \u306f\u3001Google \u304c\u958b\u767a\u3057\u305f UDP \u30d9\u30fc\u30b9\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3042\u308b QUIC \u4e0a\u3067\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002HTTP\/3 \u306f\u3001\u9045\u5ef6\u3092\u6e1b\u3089\u3057\u3066\u63a5\u7d9a\u78ba\u7acb\u6642\u9593\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u3067\u3001\u7279\u306b\u30d1\u30b1\u30c3\u30c8\u640d\u5931\u304c\u591a\u3044\u72b6\u6cc1\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u30cf\u30a4\u30d1\u30fc\u30c6\u30ad\u30b9\u30c8\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb (HTTP) \u306e\u4e3b\u306a\u6a5f\u80fd\u306e\u5206\u6790\u3002<\/h2>\n<p>HTTP \u306b\u306f\u3001\u305d\u306e\u5e83\u7bc4\u306a\u63a1\u7528\u3068\u9577\u5e74\u306e\u4f7f\u7528\u306b\u8ca2\u732e\u3057\u305f\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u7121\u56fd\u7c4d<\/strong>: HTTP \u306f\u30b9\u30c6\u30fc\u30c8\u30ec\u30b9\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u30b5\u30fc\u30d0\u30fc\u3078\u306e\u5404\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u72ec\u7acb\u3057\u3066\u304a\u308a\u3001\u4ee5\u524d\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u95a2\u3059\u308b\u60c5\u5831\u306f\u4f1d\u9054\u3055\u308c\u307e\u305b\u3093\u3002\u3053\u306e\u8a2d\u8a08\u306b\u3088\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u5b9f\u88c5\u304c\u7c21\u7d20\u5316\u3055\u308c\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u72ec\u7acb\u6027<\/strong>HTTP \u306f\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u4f9d\u5b58\u305b\u305a\u3001\u7570\u306a\u308b\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u3084\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u901a\u4fe1\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u62e1\u5f35\u6027<\/strong>: HTTP \u3067\u306f\u30ab\u30b9\u30bf\u30e0 \u30d8\u30c3\u30c0\u30fc\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3067\u304d\u308b\u305f\u3081\u3001\u7279\u5b9a\u306e\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u3066\u6a5f\u80fd\u3092\u7c21\u5358\u306b\u62e1\u5f35\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0<\/strong>HTTP \u306f\u3001Web \u30d6\u30e9\u30a6\u30b6\u30fc\u304c\u983b\u7e41\u306b\u8981\u6c42\u3055\u308c\u308b\u30ea\u30bd\u30fc\u30b9\u3092\u30ed\u30fc\u30ab\u30eb\u306b\u4fdd\u5b58\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u30ad\u30e3\u30c3\u30b7\u30e5 \u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304a\u308a\u3001\u7e70\u308a\u8fd4\u3057\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u6027\u304c\u6e1b\u308a\u3001\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u6642\u9593\u304c\u77ed\u7e2e\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d7\u30ed\u30ad\u30b7\u306e\u30b5\u30dd\u30fc\u30c8<\/strong>HTTP \u306f\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3068\u4e92\u63db\u6027\u304c\u3042\u308a\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u4ef2\u4ecb\u5f79\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u8ca0\u8377\u5206\u6563\u3092\u901a\u3058\u3066\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3057\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30cf\u30a4\u30d1\u30fc\u30c6\u30ad\u30b9\u30c8\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb (HTTP) \u306e\u7a2e\u985e<\/h2>\n<p>HTTP \u306f\u6642\u9593\u306e\u7d4c\u904e\u3068\u3068\u3082\u306b\u9032\u5316\u3057\u3001\u3055\u307e\u3056\u307e\u306a\u6a5f\u80fd\u3092\u5099\u3048\u305f\u3055\u307e\u3056\u307e\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u751f\u307e\u308c\u307e\u3057\u305f\u3002\u6700\u3082\u6ce8\u76ee\u3059\u3079\u304d\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>HTTP \u30d0\u30fc\u30b8\u30e7\u30f3<\/th>\n<th>\u767a\u58f2\u5e74<\/th>\n<th>\u4e3b\u306a\u7279\u9577<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>HTTP\/0.9<\/td>\n<td>1991<\/td>\n<td>\u30b7\u30f3\u30d7\u30eb\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u3067HTML\u6587\u66f8\u306e\u53d6\u5f97\u304c\u53ef\u80fd<\/td>\n<\/tr>\n<tr>\n<td>HTTP\/1.0<\/td>\n<td>1996<\/td>\n<td>\u30d8\u30c3\u30c0\u30fc\u3001\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u3092\u5c0e\u5165<\/td>\n<\/tr>\n<tr>\n<td>HTTP\/1.1<\/td>\n<td>1999<\/td>\n<td>\u63a5\u7d9a\u306e\u518d\u5229\u7528\u3001\u30c1\u30e3\u30f3\u30af\u8ee2\u9001\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3001\u30db\u30b9\u30c8 \u30d8\u30c3\u30c0\u30fc<\/td>\n<\/tr>\n<tr>\n<td>HTTP\/2<\/td>\n<td>2015<\/td>\n<td>\u591a\u91cd\u5316\u3001\u30b5\u30fc\u30d0\u30fc\u30d7\u30c3\u30b7\u30e5\u3001\u30d8\u30c3\u30c0\u30fc\u5727\u7e2e<\/td>\n<\/tr>\n<tr>\n<td>HTTP\/3<\/td>\n<td>2020<\/td>\n<td>QUIC\u3092\u30d9\u30fc\u30b9\u306b\u69cb\u7bc9\u3055\u308c\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u5411\u4e0a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30cf\u30a4\u30d1\u30fc\u30c6\u30ad\u30b9\u30c8\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb (HTTP) \u306e\u4f7f\u7528\u65b9\u6cd5\u3001\u4f7f\u7528\u306b\u95a2\u9023\u3059\u308b\u554f\u984c\u3068\u305d\u306e\u89e3\u6c7a\u7b56\u3002<\/h2>\n<p>HTTP \u306f\u4e3b\u306b Web \u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u306b\u4f7f\u7528\u3055\u308c\u3001\u30e6\u30fc\u30b6\u30fc\u306f Web \u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u8868\u793a\u3057\u3001Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u3084\u308a\u53d6\u308a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u3001HTTP \u304c\u5e83\u304f\u63a1\u7528\u3055\u308c\u308b\u306b\u3064\u308c\u3066\u3001\u3055\u307e\u3056\u307e\u306a\u8ab2\u984c\u3084\u6f5c\u5728\u7684\u306a\u554f\u984c\u3082\u751f\u3058\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u5b89\u5168<\/strong>HTTP \u306f\u30c7\u30fc\u30bf\u3092\u30d7\u30ec\u30fc\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u9001\u4fe1\u3059\u308b\u305f\u3081\u3001\u76d7\u8074\u3084\u4e2d\u9593\u8005\u653b\u6483\u3092\u53d7\u3051\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306b\u3001SSL\/TLS \u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3059\u308b HTTPS (HTTP Secure) \u304c\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/strong>HTTP\/1.1 \u306b\u306f\u3001\u30d8\u30c3\u30c9\u30aa\u30d6\u30e9\u30a4\u30f3 \u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u306a\u3069\u306e\u5236\u9650\u304c\u3042\u308a\u3001\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u6642\u9593\u304c\u9045\u304f\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002HTTP\/2 \u3068 HTTP\/3 \u3067\u306f\u3001\u591a\u91cd\u5316\u3001\u30b5\u30fc\u30d0\u30fc \u30d7\u30c3\u30b7\u30e5\u3001\u30d8\u30c3\u30c0\u30fc\u5727\u7e2e\u306a\u3069\u306e\u6a5f\u80fd\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u308c\u3089\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3057\u307e\u3057\u305f\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u30b3\u30f3\u30c6\u30f3\u30c4\u914d\u4fe1<\/strong>: HTTP \u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u3088\u308a\u3001\u53e4\u3044\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u30e6\u30fc\u30b6\u30fc\u306b\u63d0\u4f9b\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u30b3\u30f3\u30c6\u30f3\u30c4\u914d\u4fe1\u30cd\u30c3\u30c8\u30ef\u30fc\u30af (CDN) \u306f\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u8907\u6570\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u30b0\u30ed\u30fc\u30d0\u30eb\u306b\u914d\u4fe1\u3057\u3001\u9045\u5ef6\u3092\u6e1b\u3089\u3057\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0<\/strong>: \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u91cf\u306e\u591a\u3044 Web \u30b5\u30a4\u30c8\u3067\u306f\u3001\u30ed\u30fc\u30c9 \u30d0\u30e9\u30f3\u30b5\u30fc\u3092\u4f7f\u7528\u3057\u3066\u53d7\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u8907\u6570\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u5206\u6563\u3057\u3001\u30ea\u30bd\u30fc\u30b9\u306e\u4f7f\u7528\u7387\u3092\u5411\u4e0a\u3055\u305b\u3066\u5fdc\u7b54\u6642\u9593\u3092\u6539\u5584\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u4e3b\u306a\u7279\u5fb4\u3084\u305d\u306e\u4ed6\u306e\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03\u3092\u8868\u3084\u30ea\u30b9\u30c8\u306e\u5f62\u5f0f\u3067\u793a\u3057\u307e\u3059\u3002<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u7279\u6027<\/th>\n<th>HTTP<\/th>\n<th>HTTPS<\/th>\n<th>FTP (\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30d7\u30ed\u30c8\u30b3\u30eb\u30bf\u30a4\u30d7<\/td>\n<td>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64<\/td>\n<td>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64<\/td>\n<td>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64<\/td>\n<\/tr>\n<tr>\n<td>\u30dd\u30fc\u30c8\u756a\u53f7<\/td>\n<td>80 (\u30c7\u30d5\u30a9\u30eb\u30c8)<\/td>\n<td>443 (\u30c7\u30d5\u30a9\u30eb\u30c8)<\/td>\n<td>21 (\u30c7\u30d5\u30a9\u30eb\u30c8)<\/td>\n<\/tr>\n<tr>\n<td>\u5b89\u5168<\/td>\n<td>\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044<\/td>\n<td>SSL\/TLS\u3067\u6697\u53f7\u5316<\/td>\n<td>\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u30c7\u30fc\u30bf\u8ee2\u9001\u30bf\u30a4\u30d7<\/td>\n<td>\u30c6\u30ad\u30b9\u30c8\u3068\u30d0\u30a4\u30ca\u30ea<\/td>\n<td>\u6697\u53f7\u5316\u3055\u308c\u305f\u30c6\u30ad\u30b9\u30c8\u3068\u30d0\u30a4\u30ca\u30ea<\/td>\n<td>\u30c6\u30ad\u30b9\u30c8\u3068\u30d0\u30a4\u30ca\u30ea<\/td>\n<\/tr>\n<tr>\n<td>\u76ee\u7684<\/td>\n<td>\u30a6\u30a7\u30d6\u95b2\u89a7\u3068\u30c7\u30fc\u30bf\u8ee2\u9001<\/td>\n<td>\u5b89\u5168\u306a\u30a6\u30a7\u30d6\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0<\/td>\n<td>\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001<\/td>\n<\/tr>\n<tr>\n<td>\u7e4b\u304c\u308a<\/td>\n<td>\u30b9\u30c6\u30fc\u30c8\u30ec\u30b9<\/td>\n<td>\u30b9\u30c6\u30fc\u30c8\u30ec\u30b9<\/td>\n<td>\u30b9\u30c6\u30fc\u30c8\u30ec\u30b9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30cf\u30a4\u30d1\u30fc\u30c6\u30ad\u30b9\u30c8\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb (HTTP) \u306b\u95a2\u9023\u3059\u308b\u5c06\u6765\u306e\u5c55\u671b\u3068\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3002<\/h2>\n<p>HTTP \u306e\u5c06\u6765\u306f\u3001Web \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5f37\u5316\u3092\u76ee\u7684\u3068\u3057\u305f\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306e HTTP\/3 \u3068\u5bc6\u63a5\u306b\u95a2\u4fc2\u3057\u3066\u3044\u307e\u3059\u3002HTTP\/3 \u304c\u5e83\u304f\u63a1\u7528\u3055\u308c\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u7279\u306b\u30e2\u30d0\u30a4\u30eb \u30c7\u30d0\u30a4\u30b9\u3084\u30d1\u30b1\u30c3\u30c8\u640d\u5931\u306e\u591a\u3044\u5730\u57df\u3067\u306e Web \u30d6\u30e9\u30a6\u30b8\u30f3\u30b0 \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u306e\u5411\u4e0a\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>HTTP\/3 \u306f\u3001QUIC \u306e\u591a\u91cd\u5316\u6a5f\u80fd\u3068\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30ec\u30b9\u6a5f\u80fd\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30d8\u30c3\u30c9\u30aa\u30d6\u30e9\u30a4\u30f3 \u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u306a\u3069\u306e HTTP\/2 \u304c\u76f4\u9762\u3059\u308b\u3044\u304f\u3064\u304b\u306e\u8ab2\u984c\u306b\u3082\u5bfe\u51e6\u3057\u307e\u3059\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304c\u9032\u5316\u3057\u7d9a\u3051\u308b\u306b\u3064\u308c\u3066\u3001HTTP\/3 \u304c Web \u901a\u4fe1\u306e\u4e3b\u6d41\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092\u30cf\u30a4\u30d1\u30fc\u30c6\u30ad\u30b9\u30c8\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb (HTTP) \u3068\u95a2\u9023\u4ed8\u3051\u308b\u65b9\u6cd5\u3002<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e HTTP \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u7ba1\u7406\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u4ef2\u4ecb\u5f79\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u8981\u6c42\u3092\u30b5\u30fc\u30d0\u30fc\u306b\u8ee2\u9001\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u5fdc\u7b54\u3092\u8fd4\u3057\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u6b21\u306e\u76ee\u7684\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0<\/strong>: \u30d7\u30ed\u30ad\u30b7\u306f\u983b\u7e41\u306b\u8981\u6c42\u3055\u308c\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u304d\u308b\u305f\u3081\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u8ca0\u8377\u304c\u8efd\u6e1b\u3055\u308c\u3001\u5f8c\u7d9a\u306e\u8981\u6c42\u306b\u5bfe\u3059\u308b\u5fdc\u7b54\u6642\u9593\u304c\u6539\u5584\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u533f\u540d<\/strong>: \u30d7\u30ed\u30ad\u30b7\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e ID \u3092\u96a0\u3057\u3001Web \u3092\u95b2\u89a7\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u306b\u533f\u540d\u6027\u3068\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b3\u30f3\u30c6\u30f3\u30c4\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/strong>: \u30d7\u30ed\u30ad\u30b7\u306f\u3001\u7279\u5b9a\u306e Web \u30b5\u30a4\u30c8\u307e\u305f\u306f\u30b3\u30f3\u30c6\u30f3\u30c4 \u30ab\u30c6\u30b4\u30ea\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3088\u3046\u306b\u69cb\u6210\u3067\u304d\u308b\u305f\u3081\u3001\u7d44\u7e54\u5185\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30dd\u30ea\u30b7\u30fc\u3092\u9069\u7528\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0<\/strong>: \u30d7\u30ed\u30ad\u30b7\u306f\u3001\u53d7\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u8907\u6570\u306e\u30d0\u30c3\u30af\u30a8\u30f3\u30c9 \u30b5\u30fc\u30d0\u30fc\u306b\u5206\u6563\u3057\u3001\u52b9\u7387\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u4f7f\u7528\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u5411\u4e0a\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30a2\u30af\u30bb\u30b9\u5236\u5fa1<\/strong>: \u30d7\u30ed\u30ad\u30b7\u306f\u3001IP \u30a2\u30c9\u30ec\u30b9\u307e\u305f\u306f\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\u306b\u57fa\u3065\u3044\u3066\u7279\u5b9a\u306e Web \u30b5\u30a4\u30c8\u307e\u305f\u306f\u30ea\u30bd\u30fc\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>\u30cf\u30a4\u30d1\u30fc\u30c6\u30ad\u30b9\u30c8\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb (HTTP) \u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc2616\" target=\"_new\" rel=\"noopener nofollow\">\u30cf\u30a4\u30d1\u30fc\u30c6\u30ad\u30b9\u30c8\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb \u2014 HTTP\/1.1 (RFC 2616)<\/a><\/li>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc7540\" target=\"_new\" rel=\"noopener nofollow\">\u30cf\u30a4\u30d1\u30fc\u30c6\u30ad\u30b9\u30c8\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb \u30d0\u30fc\u30b8\u30e7\u30f3 2 (HTTP\/2) (RFC 7540)<\/a><\/li>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc8446\" target=\"_new\" rel=\"noopener nofollow\">\u30cf\u30a4\u30d1\u30fc\u30c6\u30ad\u30b9\u30c8\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb \u30d0\u30fc\u30b8\u30e7\u30f3 3 (HTTP\/3) (RFC 8446)<\/a><\/li>\n<li><a href=\"https:\/\/blog.cloudflare.com\/http-3-vs-http-2\/\" target=\"_new\" rel=\"noopener nofollow\">HTTP\/3: \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4eca\u5f8c<\/a><\/li>\n<li><a href=\"https:\/\/www.cloudflare.com\/learning\/security\/glossary\/what-is-http\/\" target=\"_new\" rel=\"noopener nofollow\">HTTP \u306e\u9032\u5316: \u904e\u53bb\u3001\u73fe\u5728\u3001\u305d\u3057\u3066\u672a\u6765<\/a><\/li>\n<\/ul>\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001\u30cf\u30a4\u30d1\u30fc\u30c6\u30ad\u30b9\u30c8\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb (HTTP) \u306f\u3001\u30ef\u30fc\u30eb\u30c9 \u30ef\u30a4\u30c9 \u30a6\u30a7\u30d6\u306e\u5f62\u6210\u306b\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u60c5\u5831\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u3084\u308a\u53d6\u308a\u3059\u308b\u65b9\u6cd5\u306b\u9769\u547d\u3092\u3082\u305f\u3089\u3057\u305f\u57fa\u672c\u7684\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u3053\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u305d\u306e\u8b19\u865a\u306a\u59cb\u307e\u308a\u304b\u3089\u6700\u65b0\u306e HTTP\/3 \u30d0\u30fc\u30b8\u30e7\u30f3\u307e\u3067\u3001\u5e38\u306b\u5909\u5316\u3057\u7d9a\u3051\u308b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u9700\u8981\u3092\u6e80\u305f\u3059\u305f\u3081\u306b\u9032\u5316\u3057\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002\u30c6\u30af\u30ce\u30ed\u30b8\u304c\u9032\u6b69\u3059\u308b\u306b\u3064\u308c\u3066\u3001HTTP\/3 \u3068\u305d\u306e\u95a2\u9023\u30c6\u30af\u30ce\u30ed\u30b8\u306f\u3001\u3088\u308a\u9ad8\u901f\u3067\u3001\u3088\u308a\u5b89\u5168\u3067\u3001\u30b7\u30fc\u30e0\u30ec\u30b9\u306a Web \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3078\u306e\u9053\u3092\u5207\u308a\u958b\u304d\u7d9a\u3051\u3001HTTP \u3092\u30c7\u30b8\u30bf\u30eb \u30e9\u30a4\u30d5\u306b\u4e0d\u53ef\u6b20\u306a\u3082\u306e\u306b\u3057\u307e\u3059\u3002<\/p>","protected":false},"featured_media":468589,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477527","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Hyper-Text Transfer Protocol (HTTP)<\/mark>","faq_items":[{"question":"What is Hyper-Text Transfer Protocol (HTTP)?","answer":"<p>Hyper-Text Transfer Protocol (HTTP) is a fundamental protocol used for communication on the World Wide Web. It enables data exchange between web browsers and servers, allowing users to access and interact with web content like text, images, videos, and more.<\/p>"},{"question":"How did HTTP originate, and when was it first mentioned?","answer":"<p>HTTP's origins can be traced back to the late 1980s when Tim Berners-Lee developed the concept of the World Wide Web. In 1991, he introduced the first version of HTTP (HTTP\/0.9), which allowed browsers to request and receive HTML documents. HTTP evolved through versions like HTTP\/1.0 (1996) and HTTP\/1.1 (1999) to HTTP\/3 (2020).<\/p>"},{"question":"How does HTTP work, and what is its internal structure?","answer":"<p>HTTP uses a client-server model, where a client (web browser) sends requests to a server hosting the content. Each HTTP message consists of a header and an optional body. The header contains essential information, and the body carries the actual content. HTTP uses methods like GET, POST, PUT, and more for specific purposes.<\/p>"},{"question":"What are the key features of HTTP?","answer":"<p>HTTP boasts several vital features, including statelessness, platform independence, extensibility, caching, and proxy support. These features ensure efficient and scalable communication between clients and servers.<\/p>"},{"question":"What are the different types of HTTP?","answer":"<p>HTTP has evolved into several versions, each with unique features. The notable ones are HTTP\/0.9, HTTP\/1.0, HTTP\/1.1, HTTP\/2, and the latest, HTTP\/3, which is built on the QUIC protocol.<\/p>"},{"question":"How is HTTP used, and what problems can arise?","answer":"<p>HTTP is primarily used for web browsing, but it has faced challenges such as security vulnerabilities, performance issues, caching problems, and load balancing. HTTPS addresses security concerns, and technologies like HTTP\/2 and HTTP\/3 improve performance.<\/p>"},{"question":"What are the perspectives and future technologies related to HTTP?","answer":"<p>The future of HTTP lies in HTTP\/3, which offers improved performance and security. As technology advances, HTTP\/3 is likely to become the dominant protocol for web communication, enhancing the browsing experience.<\/p>"},{"question":"How are proxy servers associated with HTTP?","answer":"<p>Proxy servers act as intermediaries between clients and servers, providing benefits like caching, anonymity, content filtering, load balancing, and access control. They enhance the security and performance of HTTP communication.<\/p>"},{"question":"Where can I find more information about Hyper-Text Transfer Protocol (HTTP)?","answer":"<p>For more in-depth knowledge about HTTP, you can refer to resources like RFC documents, articles about HTTP\/3, and discussions on its evolution and impact on web browsing.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/477527","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/477527\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/468589"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=477527"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}