{"id":477498,"date":"2023-08-09T09:15:57","date_gmt":"2023-08-09T09:15:57","guid":{"rendered":""},"modified":"2023-09-05T11:14:50","modified_gmt":"2023-09-05T11:14:50","slug":"http-header","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/http-header\/","title":{"rendered":"HTTP \u30d8\u30c3\u30c0\u30fc"},"content":{"rendered":"<p>HTTP \u30d8\u30c3\u30c0\u30fc\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u901a\u4fe1\u306b\u91cd\u8981\u306a\u60c5\u5831\u3092\u4f1d\u9054\u3059\u308b HTTP (Hypertext Transfer Protocol) \u8981\u6c42\u3068\u5fdc\u7b54\u306e\u4e0d\u53ef\u6b20\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3059\u3002<\/p>\n<h2>HTTP \u30d8\u30c3\u30c0\u30fc\u306e\u8d77\u6e90\u3068\u6b74\u53f2\u7684\u80cc\u666f<\/h2>\n<p>HTTP \u306e\u6982\u5ff5\u3001\u305d\u3057\u3066 HTTP \u30d8\u30c3\u30c0\u30fc\u306e\u6982\u5ff5\u306f\u30011980 \u5e74\u4ee3\u5f8c\u534a\u306e World Wide Web (WWW) \u306e\u51fa\u73fe\u3068\u3068\u3082\u306b\u767b\u5834\u3057\u307e\u3057\u305f\u3002\u82f1\u56fd\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u79d1\u5b66\u8005 Tim Berners-Lee \u6c0f\u3068 CERN (\u6b27\u5dde\u539f\u5b50\u6838\u7814\u7a76\u6a5f\u69cb) \u306e\u5f7c\u306e\u30c1\u30fc\u30e0\u306f\u3001HTTP \u3092\u542b\u3080\u57fa\u672c\u7684\u306a Web \u30c6\u30af\u30ce\u30ed\u30b8\u306e\u958b\u767a\u3067\u8a8d\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002HTTP \u30d8\u30c3\u30c0\u30fc\u306b\u95a2\u3059\u308b\u6700\u521d\u306e\u6587\u66f8\u306f\u30011991 \u5e74\u9803\u306b\u516c\u958b\u3055\u308c\u305f HTTP\/0.9 \u4ed5\u69d8\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>HTTP \u30d8\u30c3\u30c0\u30fc\u306e\u8a73\u7d30\u306a\u8abf\u67fb<\/h2>\n<p>HTTP \u30d8\u30c3\u30c0\u30fc\u306f\u3001HTTP \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u52d5\u4f5c\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u5b9a\u7fa9\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002HTTP \u30d8\u30c3\u30c0\u30fc\u306f HTTP \u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u4e0d\u53ef\u6b20\u306a\u90e8\u5206\u3067\u3042\u308a\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8 (\u901a\u5e38\u306f Web \u30d6\u30e9\u30a6\u30b6) \u306b\u3088\u3063\u3066\u958b\u59cb\u3055\u308c\u305f HTTP \u8981\u6c42\u3068\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u3088\u3063\u3066\u9001\u4fe1\u3055\u308c\u305f HTTP \u5fdc\u7b54\u306e\u4e21\u65b9\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>HTTP \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30d8\u30c3\u30c0\u30fc\u306f\u30ea\u30af\u30a8\u30b9\u30c8\u3084\u30ec\u30b9\u30dd\u30f3\u30b9\u3001\u307e\u305f\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u672c\u6587\u3067\u9001\u4fe1\u3055\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u95a2\u3059\u308b\u8ffd\u52a0\u60c5\u5831\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u3001\u30e1\u30bf\u30c7\u30fc\u30bf\u306e\u63d0\u4f9b\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u7ba1\u7406\u3001Cookie \u306e\u51e6\u7406\u3001\u30a2\u30af\u30bb\u30b9\u306e\u5236\u5fa1\u3001\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u6307\u5b9a (User-Agent)\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u76ee\u7684\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>HTTP \u30d8\u30c3\u30c0\u30fc\u306e\u5185\u90e8\u69cb\u9020<\/h2>\n<p>HTTP \u30d8\u30c3\u30c0\u30fc\u306f\u30d5\u30a3\u30fc\u30eb\u30c9\u3067\u69cb\u6210\u3055\u308c\u3001\u5404\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u5927\u6587\u5b57\u3068\u5c0f\u6587\u5b57\u3092\u533a\u5225\u3057\u306a\u3044\u30d5\u30a3\u30fc\u30eb\u30c9\u540d\u3067\u59cb\u307e\u308a\u3001\u305d\u306e\u5f8c\u306b\u30b3\u30ed\u30f3\u300c:\u300d\u30011 \u3064\u306e\u30b9\u30da\u30fc\u30b9\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u5024\u304c\u7d9a\u304d\u307e\u3059\u3002\u30d8\u30c3\u30c0\u30fc\u306f\u3001HTTP \u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u6700\u521d\u306e\u884c\u3067\u3042\u308b\u8981\u6c42\u884c\u307e\u305f\u306f\u5fdc\u7b54\u884c\u306e\u5f8c\u306b\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u5404\u30d8\u30c3\u30c0\u30fc \u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u3001\u30b3\u30ed\u30f3\u3067\u533a\u5207\u3089\u308c\u305f\u540d\u524d\u3068\u5024\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002\u69cb\u9020\u306f\u901a\u5e38\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre><div class=\"bg-black rounded-md mb-4\"><div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans justify-between rounded-t-md\"><span>\u30e1\u30a4\u30af\u30d5\u30a1\u30a4\u30eb<\/span><button class=\"flex ml-auto gap-2\"><svg stroke=\"currentColor\" fill=\"none\" stroke-width=\"2\" viewbox=\"0 0 24 24\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"h-4 w-4\" height=\"1em\" width=\"1em\" ><path d=\"M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2\"><\/path><rect x=\"8\" y=\"2\" width=\"8\" height=\"4\" rx=\"1\" ry=\"1\"><\/rect><\/svg>\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<\/button><\/div><div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs language-makefile\" data-no-translation=\"\"><span class=\"hljs-section\">Field-Name: Field Value<\/span>\n<\/code><\/div><\/div><\/pre>\n<p>\u305f\u3068\u3048\u3070\u3001\u300cContent-Type\u300d\u30d8\u30c3\u30c0\u30fc\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre><div class=\"bg-black rounded-md mb-4\"><div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans justify-between rounded-t-md\"><span>\u30a2\u30eb\u30c9\u30a5\u30a4\u30fc\u30ce<\/span><button class=\"flex ml-auto gap-2\"><svg stroke=\"currentColor\" fill=\"none\" stroke-width=\"2\" viewbox=\"0 0 24 24\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"h-4 w-4\" height=\"1em\" width=\"1em\" ><path d=\"M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2\"><\/path><rect x=\"8\" y=\"2\" width=\"8\" height=\"4\" rx=\"1\" ry=\"1\"><\/rect><\/svg>\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<\/button><\/div><div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs language-arduino\" data-no-translation=\"\">Content-Type: text\/html\n<\/code><\/div><\/div><\/pre>\n<h2>HTTP \u30d8\u30c3\u30c0\u30fc\u306e\u4e3b\u306a\u6a5f\u80fd<\/h2>\n<ol>\n<li><strong>\u591a\u7528\u9014\u6027:<\/strong> HTTP \u30d8\u30c3\u30c0\u30fc\u306b\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u52b9\u7387\u7684\u306a\u901a\u4fe1\u306b\u5fc5\u8981\u306a\u3055\u307e\u3056\u307e\u306a\u60c5\u5831\u3092\u542b\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u62e1\u5f35\u6027:<\/strong> HTTP \u4ed5\u69d8\u3067\u306f\u3001\u7279\u5b9a\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306b\u4f7f\u7528\u3067\u304d\u308b\u300cX-\u300d\u3068\u3044\u3046\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u304c\u4ed8\u3044\u305f\u30ab\u30b9\u30bf\u30e0 \u30d8\u30c3\u30c0\u30fc\u304c\u8a31\u53ef\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><strong>\u5927\u6587\u5b57\u5c0f\u6587\u5b57\u3092\u533a\u5225\u3057\u307e\u305b\u3093\uff1a<\/strong> HTTP\/1.1 \u4ed5\u69d8\u306b\u5f93\u3044\u3001\u30d8\u30c3\u30c0\u30fc \u30d5\u30a3\u30fc\u30eb\u30c9\u540d\u306f\u5927\u6587\u5b57\u3068\u5c0f\u6587\u5b57\u3092\u533a\u5225\u3057\u307e\u305b\u3093\u3002<\/li>\n<li><strong>\u6a19\u6e96\u5316:<\/strong> \u591a\u304f\u306e\u30d8\u30c3\u30c0\u30fc\u306f Internet Assigned Numbers Authority (IANA) \u306b\u3088\u3063\u3066\u6a19\u6e96\u5316\u3055\u308c\u3066\u304a\u308a\u3001Web \u5168\u4f53\u306e\u7d71\u4e00\u6027\u3092\u4fc3\u9032\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<h2>HTTP \u30d8\u30c3\u30c0\u30fc\u306e\u7a2e\u985e<\/h2>\n<p>HTTP \u30d8\u30c3\u30c0\u30fc\u306b\u306f 4 \u3064\u306e\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u4e00\u822c\u7684\u306a\u30d8\u30c3\u30c0\u30fc:<\/strong> \u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u4e21\u65b9\u306b\u9069\u7528\u3055\u308c\u307e\u3059\u304c\u3001\u672c\u6587\u3067\u9001\u4fe1\u3055\u308c\u308b\u30c7\u30fc\u30bf\u3068\u306f\u95a2\u4fc2\u3042\u308a\u307e\u305b\u3093\u3002\u4f8b: Via\u3001Cache-Control\u3001Connection\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ea\u30af\u30a8\u30b9\u30c8\u30d8\u30c3\u30c0\u30fc:<\/strong> \u53d6\u5f97\u3059\u308b\u30ea\u30bd\u30fc\u30b9\u307e\u305f\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u81ea\u4f53\u306b\u95a2\u3059\u308b\u8a73\u7d30\u60c5\u5831\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u4f8b: User-Agent\u3001Accept-Language\u3001Cookie\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ec\u30b9\u30dd\u30f3\u30b9 \u30d8\u30c3\u30c0\u30fc:<\/strong> \u5fdc\u7b54\u306e\u5834\u6240\u3084\u30b5\u30fc\u30d0\u30fc\u81ea\u4f53\u306a\u3069\u3001\u5fdc\u7b54\u306b\u95a2\u3059\u308b\u8ffd\u52a0\u60c5\u5831\u3092\u4fdd\u6301\u3057\u307e\u3059\u3002\u4f8b: Set-Cookie\u3001ETag\u3001WWW-Authenticate\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3 \u30d8\u30c3\u30c0\u30fc:<\/strong> \u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u9577\u3055\u3084 MIME \u30bf\u30a4\u30d7\u306a\u3069\u3001\u30ea\u30bd\u30fc\u30b9\u672c\u4f53\u306b\u95a2\u3059\u308b\u60c5\u5831\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u4f8b: Content-Type\u3001Content-Encoding\u3001Content-Length\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>HTTP \u30d8\u30c3\u30c0\u30fc\u306e\u4f7f\u7528: \u554f\u984c\u3068\u89e3\u6c7a\u7b56<\/h2>\n<p>HTTP \u30d8\u30c3\u30c0\u30fc\u306f Web \u901a\u4fe1\u306e\u57fa\u672c\u3067\u3059\u304c\u3001\u4e0d\u9069\u5207\u306b\u4f7f\u7528\u3059\u308b\u3068\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u554f\u984c\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8106\u5f31\u6027\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u4f4e\u4e0b\u306a\u3069\u306e\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30d8\u30c3\u30c0\u30fc\u306e\u69cb\u6210\u304c\u9593\u9055\u3063\u3066\u3044\u308b\u3068\u3001Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u653b\u6483\u306b\u3055\u3089\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u89e3\u6c7a\u7b56\u306e 1 \u3064\u306f\u3001HTTP \u30d8\u30c3\u30c0\u30fc\u304c\u9069\u5207\u306b\u5b9f\u88c5\u304a\u3088\u3073\u69cb\u6210\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u653b\u6483\u3092\u9632\u3050\u305f\u3081\u306b\u30bb\u30ad\u30e5\u30a2 \u30d8\u30c3\u30c0\u30fc\u3092\u4f7f\u7528\u3057\u3001\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3059\u308b\u305f\u3081\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u5236\u5fa1\u30d8\u30c3\u30c0\u30fc\u3092\u69cb\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u6bd4\u8f03\u3068\u7279\u5fb4<\/h2>\n<p>HTTP \u30d8\u30c3\u30c0\u30fc\u3001FTP \u30d8\u30c3\u30c0\u30fc\u3001SMTP \u30d8\u30c3\u30c0\u30fc\u306f\u3059\u3079\u3066\u305d\u308c\u305e\u308c\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u306e\u4e00\u90e8\u3067\u3059\u304c\u3001\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u76ee\u7684\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001HTTP \u30d8\u30c3\u30c0\u30fc\u306f\u4e3b\u306b Web \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u304c\u3001SMTP \u30d8\u30c3\u30c0\u30fc\u306f\u96fb\u5b50\u30e1\u30fc\u30eb\u306b\u3001FTP \u30d8\u30c3\u30c0\u30fc\u306f\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30d7\u30ed\u30c8\u30b3\u30eb<\/th>\n<th>\u30d8\u30c3\u30c0\u30fc\u306e\u4f7f\u7528\u6cd5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>HTTP<\/td>\n<td>\u30a6\u30a7\u30d6\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3068\u30c7\u30fc\u30bf\u901a\u4fe1<\/td>\n<\/tr>\n<tr>\n<td>SMTP<\/td>\n<td>\u30e1\u30fc\u30eb\u9001\u4fe1<\/td>\n<\/tr>\n<tr>\n<td>FTP<\/td>\n<td>\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u5c06\u6765\u306e\u5c55\u671b\u3068\u6280\u8853<\/h2>\n<p>Web \u304c\u9032\u5316\u3059\u308b\u306b\u3064\u308c\u3066\u3001HTTP \u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u305d\u306e\u30d8\u30c3\u30c0\u30fc\u3082\u9032\u5316\u3057\u307e\u3059\u3002\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4eca\u5f8c\u306e\u30e1\u30b8\u30e3\u30fc \u30ea\u30d3\u30b8\u30e7\u30f3\u3067\u3042\u308b HTTP\/3 \u3067\u306f\u3001\u30d8\u30c3\u30c0\u30fc\u306e\u8ee2\u9001\u3092\u6700\u9069\u5316\u3059\u308b\u305f\u3081\u306e QPACK \u306b\u3088\u308b\u5727\u7e2e\u306e\u5f37\u5316\u306a\u3069\u3001\u30d8\u30c3\u30c0\u30fc\u306b\u5f71\u97ff\u3059\u308b\u5927\u5e45\u306a\u6539\u5584\u304c\u5c0e\u5165\u3055\u308c\u3066\u304a\u308a\u3001\u3053\u308c\u306f\u7279\u306b\u9ad8\u9045\u5ef6\u63a5\u7d9a\u3067\u91cd\u8981\u3067\u3059\u3002<\/p>\n<h2>\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u3068HTTP\u30d8\u30c3\u30c0\u30fc<\/h2>\n<p>OneProxy \u304c\u63d0\u4f9b\u3059\u308b\u3088\u3046\u306a\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u305d\u306e\u6a5f\u80fd\u3092\u5bb9\u6613\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u3055\u307e\u3056\u307e\u306a\u65b9\u6cd5\u3067 HTTP \u30d8\u30c3\u30c0\u30fc\u3092\u64cd\u4f5c\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u300cVia\u300d\u30d8\u30c3\u30c0\u30fc\u3092\u4f7f\u7528\u3057\u3066\u30d7\u30ed\u30ad\u30b7 \u30c1\u30a7\u30fc\u30f3\u3092\u8ffd\u8de1\u3057\u305f\u308a\u3001\u300cX-Forwarded-For\u300d\u30d8\u30c3\u30c0\u30fc\u3092\u4f7f\u7528\u3057\u3066\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u5143\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u6e21\u3057\u305f\u308a\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001HTTP \u30d8\u30c3\u30c0\u30fc\u306e\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u307e\u305f\u306f\u8a2d\u5b9a\u3059\u308b\u3059\u3079\u3066\u306e\u4eba\u306b\u3068\u3063\u3066\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<ol>\n<li><a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/HTTP\/Headers\" target=\"_new\" rel=\"noopener nofollow\">Mozilla HTTP \u30d8\u30c3\u30c0\u30fc\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a><\/li>\n<li><a href=\"https:\/\/www.w3.org\/Protocols\/rfc2616\/rfc2616-sec14.html\" target=\"_new\" rel=\"noopener nofollow\">W3C HTTP\/1.1 \u4ed5\u69d8<\/a><\/li>\n<li><a href=\"https:\/\/www.iana.org\/assignments\/message-headers\/message-headers.xhtml\" target=\"_new\" rel=\"noopener nofollow\">IANA \u30e1\u30c3\u30bb\u30fc\u30b8 \u30d8\u30c3\u30c0\u30fc<\/a><\/li>\n<li><a href=\"https:\/\/http3-explained.haxx.se\/\" target=\"_new\" rel=\"noopener nofollow\">HTTP\/3 \u306e\u8aac\u660e<\/a><\/li>\n<li><a href=\"https:\/\/owasp.org\/www-project-secure-headers\/\" target=\"_new\" rel=\"noopener nofollow\">OWASP \u30bb\u30ad\u30e5\u30a2 \u30d8\u30c3\u30c0\u30fc \u30d7\u30ed\u30b8\u30a7\u30af\u30c8<\/a><\/li>\n<\/ol>","protected":false},"featured_media":477499,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477498","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>HTTP Header: The Backbone of Web Communication<\/mark>","faq_items":[{"question":"What are HTTP headers?","answer":"<p>HTTP headers are integral components of HTTP requests and responses that carry critical information for client-server communication over the internet.<\/p>"},{"question":"Who is credited for the development of HTTP headers?","answer":"<p>British computer scientist Tim Berners-Lee and his team at CERN are credited for developing the fundamental web technologies, including HTTP headers.<\/p>"},{"question":"What is the structure of an HTTP header?","answer":"<p>An HTTP header consists of fields, each beginning with a case-insensitive field name followed by a colon \":\", a single space, and the field value. An example might look like this: <code>Content-Type: text\/html<\/code>.<\/p>"},{"question":"What are the key features of HTTP headers?","answer":"<p>HTTP headers are versatile, extensible, case-insensitive, and standardized. They can carry a wide variety of information necessary for effective communication between a client and a server.<\/p>"},{"question":"What are the different types of HTTP headers?","answer":"<p>There are four types of HTTP headers: General Headers, Request Headers, Response Headers, and Entity Headers.<\/p>"},{"question":"What problems can arise from the improper use of HTTP headers?","answer":"<p>Improper use of HTTP headers can lead to issues like caching problems, security vulnerabilities, and poor performance.<\/p>"},{"question":"How do HTTP headers compare with FTP and SMTP headers?","answer":"<p>HTTP headers, FTP headers, and SMTP headers are all part of their respective protocols' messaging systems, but each serves different purposes. For example, while HTTP headers are used primarily for web transactions, SMTP headers are used for email, and FTP headers for file transfers.<\/p>"},{"question":"How are HTTP headers related to the future web technologies?","answer":"<p>As the web evolves, so too does the HTTP protocol and its headers. The upcoming HTTP\/3 introduces significant improvements that impact headers, such as enhanced compression for optimal header transmission.<\/p>"},{"question":"How are HTTP headers used in proxy servers?","answer":"<p>Proxy servers, like those provided by OneProxy, manipulate HTTP headers in several ways to facilitate their functioning. For instance, they might use the \"Via\" header to track the proxy chain, or the \"X-Forwarded-For\" header to pass along the original IP address of a client.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/477498","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\/477498\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/477499"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=477498"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}