{"id":962,"date":"2022-07-16T04:10:40","date_gmt":"2022-07-16T04:10:40","guid":{"rendered":"https:\/\/affiv.com\/?p=962"},"modified":"2022-07-16T04:10:48","modified_gmt":"2022-07-16T04:10:48","slug":"what-is-the-difference-between-tls-and-ssl","status":"publish","type":"post","link":"https:\/\/affiv.com\/ja\/tls%e3%81%a8ssl%e3%81%ae%e9%81%95%e3%81%84%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b\/","title":{"rendered":"TLS\u3068SSL\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f"},"content":{"rendered":"<p>\u91cd\u5927\u306a\u30c7\u30fc\u30bf\u4fb5\u5bb3\u306b\u95a2\u3059\u308b\u30cb\u30e5\u30fc\u30b9\u8a18\u4e8b\u3092\u3088\u304f\u76ee\u306b\u3057\u307e\u3059\u304c\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u306b\u306a\u3063\u305f\u3068\u304d\u306b\u60c5\u5831\u304c\u3069\u306e\u3088\u3046\u306b\u4fdd\u8b77\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u8003\u3048\u59cb\u3081\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002 Web\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u305d\u3053\u3067\u8cb7\u3044\u7269\u3092\u59cb\u3081\u3001\u30af\u30ec\u30b8\u30c3\u30c8\u30ab\u30fc\u30c9\u756a\u53f7\u3092\u5165\u529b\u3057\u3001\u6570\u65e5\u4ee5\u5185\u306b\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u53d7\u3051\u53d6\u308b\u3053\u3068\u3092\u671f\u5f85\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066\u8003\u3048\u305f\u3053\u3068\u306f\u3042\u308a\u307e\u3059\u304b\uff1f<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"http:\/\/affiv.com\/wp-content\/uploads\/2022\/07\/SSL-TLS.jpg\" alt=\"TLS\u3068SSL\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\" class=\"wp-image-963 lazyload\"\/><noscript><img decoding=\"async\" width=\"900\" height=\"466\" src=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2022\/07\/SSL-TLS.jpg?resize=900%2C466\" alt=\"TLS\u3068SSL\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\" class=\"wp-image-963 lazyload\" srcset=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2022\/07\/SSL-TLS.jpg?w=1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2022\/07\/SSL-TLS.jpg?resize=300%2C155&amp;ssl=1 300w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2022\/07\/SSL-TLS.jpg?resize=768%2C398&amp;ssl=1 768w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2022\/07\/SSL-TLS.jpg?resize=18%2C9&amp;ssl=1 18w\" sizes=\"(max-width: 900px) 100vw, 900px\" data-recalc-dims=\"1\" \/><\/noscript><figcaption>HTTPS\u4fdd\u8b77\u3055\u308c\u305f\u63a5\u7d9a\u5b89\u5168\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u901a\u4fe1\u30aa\u30f3\u30e9\u30a4\u30f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5b89\u5168\u306a\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u30cd\u30c3\u30c8\u4e0a\u3067\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b5\u30fc\u30d5\u30a3\u30f3\u3068\u30c7\u30fc\u30bf\u30b5\u30fc\u30d3\u30b9\u306e\u6697\u53f7\u5316\u30d9\u30af\u30c8\u30eb\u56f3\u30d3\u30b8\u30cd\u30b9\u30b3\u30f3\u30bb\u30d7\u30c8\u30b5\u30a4\u30d0\u30fc\u30c6\u30ad\u30b9\u30c8<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u57fa\u672c<\/h2>\n\n\n\n<p>\u6700\u3082\u57fa\u672c\u7684\u306a\u5f62\u5f0f\u3067\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3068Web\u30b5\u30a4\u30c8\u9593\u306e\u4e00\u9023\u306e\u8981\u6c42\u3068\u5fdc\u7b54\u306b\u3088\u3063\u3066\u5b9f\u73fe\u3055\u308c\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u306bWeb\u30a2\u30c9\u30ec\u30b9\u3092\u5165\u529b\u3059\u308b\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u306fWeb\u30b5\u30a4\u30c8\u306b\u305d\u306e\u4fe1\u983c\u6027\u3092\u78ba\u8a8d\u3059\u308b\u3088\u3046\u306b\u8981\u6c42\u3057\u3001Web\u30b5\u30a4\u30c8\u306f\u9069\u5207\u306a\u60c5\u5831\u3067\u5fdc\u7b54\u3057\u3001\u4e21\u8005\u304c\u540c\u610f\u3057\u305f\u5f8c\u3001Web\u30da\u30fc\u30b8\u304cWeb\u30d6\u30e9\u30a6\u30b6\u3067\u958b\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8981\u6c42\u3055\u308c\u305f\u8cea\u554f\u3068\u4ea4\u63db\u3055\u308c\u305f\u60c5\u5831\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u3068Web\u30b5\u30a4\u30c8\u9593\u3067\u30c7\u30fc\u30bf\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u60c5\u5831\u3001\u304a\u3088\u3073\u500b\u4eba\u60c5\u5831\u3092\u8ee2\u9001\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u6697\u53f7\u5316\u306e\u7a2e\u985e\u306b\u95a2\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u8981\u6c42\u3068\u5fdc\u7b54\u306f\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3068\u547c\u3070\u308c\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u304c\u767a\u751f\u3057\u306a\u3044\u5834\u5408\u3001\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u30b5\u30a4\u30c8\u306f\u5b89\u5168\u3067\u306a\u3044\u3068\u898b\u306a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">HTTP\u3068HTTPS\u306e\u9055\u3044<\/h2>\n\n\n\n<p>HTTP<\/p>\n\n\n\n<ul><li>\u30d7\u30ed\u30bb\u30b9\u5168\u4f53\u306f\u8ab0\u306b\u3067\u3082\u958b\u304b\u308c\u3066\u3044\u307e\u3059\u3002<\/li><li>\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3068\u64cd\u4f5c\u304c\u7c21\u5358\u3067\u3059\u3002<\/li><li>\u30d1\u30b9\u30ef\u30fc\u30c9\u3068\u9001\u4fe1\u30c7\u30fc\u30bf\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li><\/ul>\n\n\n\n<p>HTTPS<\/p>\n\n\n\n<ul><li>\u60c5\u5831\u3092\u96a0\u3059\u305f\u3081\u306b\u5b8c\u5168\u306b\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li><li>\u8ffd\u52a0\u306e\u30b5\u30fc\u30d0\u30fc\u69cb\u6210\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li><li>\u30d1\u30b9\u30ef\u30fc\u30c9\u306a\u3069\u3001\u9001\u4fe1\u3055\u308c\u305f\u60c5\u5831\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002<\/li><\/ul>\n\n\n\n<p>Web\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u3068\u304d\u306b\u6c17\u4ed8\u304f\u304b\u3082\u3057\u308c\u306a\u3044\u3053\u3068\u306e1\u3064\u306f\u3001\u4e00\u90e8\u306eURL\u306b\u306fhttp\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u304c\u4ed8\u3044\u3066\u304a\u308a\u3001\u4e00\u90e8\u306b\u306fhttps\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u304c\u4ed8\u3044\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002 HTTP\u306fHypertextTransferProtocol\u306e\u7565\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u4ecb\u3057\u305f\u5b89\u5168\u306a\u4f1d\u9001\u3092\u6307\u5b9a\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4f1d\u9001\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u90e8\u306eWeb\u30b5\u30a4\u30c8\u3001\u7279\u306b\u6a5f\u5bc6\u60c5\u5831\u307e\u305f\u306f\u500b\u4eba\u3092\u7279\u5b9a\u3067\u304d\u308b\u60c5\u5831\u306e\u63d0\u4f9b\u3092\u6c42\u3081\u3089\u308c\u308bWeb\u30b5\u30a4\u30c8\u3067\u306f\u3001https\u304c\u7dd1\u8272\u307e\u305f\u306f\u8d64\u8272\u3067\u4e0b\u7dda\u4ed8\u304d\u3067\u8868\u793a\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u7dd1\u8272\u306f\u30b5\u30a4\u30c8\u306b\u691c\u8a3c\u53ef\u80fd\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8cc7\u683c\u304c\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u3001\u8d64\u8272\u306f\u30b5\u30a4\u30c8\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u8cc7\u683c\u60c5\u5831\u307e\u305f\u306f\u8cc7\u683c\u60c5\u5831\u304c\u6b63\u3057\u304f\u306a\u3044\u304b\u3001\u671f\u9650\u5207\u308c\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u3053\u3067\u3044\u304f\u3064\u304b\u306e\u6df7\u4e71\u304c\u3042\u308a\u307e\u3059\u3002HTTP\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3068\u30b5\u30a4\u30c8\u9593\u306e\u30c7\u30fc\u30bf\u9001\u4fe1\u304c\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30b5\u30a4\u30c8\u304c\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a8d\u8a3c\u3092\u542b\u3080\u30d6\u30e9\u30a6\u30b6\u30fc\u3067\u9001\u4fe1\u3055\u308c\u308b\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u3060\u3051\u3067\u3059\u3002 S\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\uff08HTTPS\u306a\u3069\uff09\u306e\u307f\u3001\u30c7\u30fc\u30bf\u304c\u5b89\u5168\u306b\u9001\u4fe1\u3055\u308c\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u3001\u3053\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5b9f\u88c5\u3067\u304d\u308b\u5225\u306e\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SSL\u3068TLS\u306e\u9055\u3044<\/h2>\n\n\n\n<p>SSL<\/p>\n\n\n\n<ul><li>\u3082\u3068\u3082\u30681995\u5e74\u306b\u958b\u767a\u3055\u308c\u307e\u3057\u305f\u3002<\/li><li>\u3053\u308c\u306f\u3001Web\u30da\u30fc\u30b8\u306e\u521d\u671f\u30ec\u30d9\u30eb\u306e\u6697\u53f7\u5316\u3067\u3057\u305f\u3002<\/li><li>\u6025\u6210\u9577\u3057\u3066\u3044\u308b\u30a6\u30a7\u30d6\u3067\u306f\u6bd4\u8f03\u7684\u5f8c\u65b9\u306b\u3042\u308a\u307e\u3059\u3002<\/li><\/ul>\n\n\n\n<p>TLS<\/p>\n\n\n\n<ul><li>SSL\u306e3\u756a\u76ee\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304b\u3089\u958b\u59cb\u3057\u307e\u3057\u305f\u3002<\/li><li>\u3064\u307e\u308a\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff08TLS\uff09\u3067\u3059\u3002<\/li><li>SSL\u3092\u4f7f\u7528\u3057\u305f\u6697\u53f7\u5316\u306e\u7d99\u7d9a\u7684\u306a\u6539\u5584\u3002<\/li><li>\u65b0\u3057\u3044\u30bf\u30a4\u30d7\u306e\u653b\u6483\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8106\u5f31\u6027\u304c\u5f15\u304d\u7d9a\u304d\u8ffd\u52a0\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li><\/ul>\n\n\n\n<p>SSL\u306f\u3001Web\u30b5\u30a4\u30c8\u306e\u30c7\u30fc\u30bf\u304c\u9001\u4fe1\u9593\u3067\u5b89\u5168\u3067\u3042\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306e\u6700\u521d\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002 GlobalSign\u306b\u3088\u308b\u3068\u3001SSL\u306f1995\u5e74\u306b\u30d0\u30fc\u30b8\u30e7\u30f32.0\u3067\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002\u6700\u521d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3042\u308b1.0\u306f\u516c\u958b\u3055\u308c\u308b\u3053\u3068\u306f\u306a\u304f\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u5f31\u70b9\u3092\u5f37\u5316\u3059\u308b\u305f\u3081\u306b\u3001\u30d0\u30fc\u30b8\u30e7\u30f32.0\u306f1\u5e74\u5f8c\u306b\u30d0\u30fc\u30b8\u30e7\u30f33.0\u306b\u7f6e\u304d\u63db\u3048\u3089\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>1999\u5e74\u306b\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff08TLS\uff09\u3068\u547c\u3070\u308c\u308bSSL\u306e\u5225\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u5c0e\u5165\u3055\u308c\u3001\u4f1d\u9001\u901f\u5ea6\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u5411\u4e0a\u3057\u307e\u3057\u305f\u3002 TLS\u306f\u73fe\u5728\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3042\u308a\u3001\u7c21\u5358\u306b\u3059\u308b\u305f\u3081\u306bSSL\u3068\u547c\u3070\u308c\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SSL\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u7406\u89e3\u3059\u308b<\/h2>\n\n\n\n<p>\u5229\u70b9<\/p>\n\n\n\n<ul><li>\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3068Web\u30b5\u30a4\u30c8\u306e\u9593\u306e\u60c5\u5831\u3092\u975e\u8868\u793a\u306b\u3057\u307e\u3059\u3002<\/li><li>\u30ed\u30b0\u30a4\u30f3\u60c5\u5831\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002<\/li><li>\u30aa\u30f3\u30e9\u30a4\u30f3\u30b7\u30e7\u30c3\u30d4\u30f3\u30b0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/li><\/ul>\n\n\n\n<p>\u77ed\u6240<\/p>\n\n\n\n<ul><li>\u3059\u3079\u3066\u306e\u8105\u5a01\u3092\u6392\u9664\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/li><li>SSL\u3092\u4f7f\u7528\u3057\u306a\u3044\u30b5\u30a4\u30c8\u3067\u306f\u4fdd\u8b77\u3057\u307e\u305b\u3093\u3002<\/li><li>\u30a2\u30af\u30bb\u30b9\u3057\u305f\u30b5\u30a4\u30c8\u3092\u975e\u8868\u793a\u306b\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/li><\/ul>\n\n\n\n<p>\u8ab0\u304b\u3068\u30c7\u30fc\u30bf\u3092\u5171\u6709\u3059\u308b\u3053\u3068\u3092\u691c\u8a0e\u3059\u308b\u5834\u5408\u3001\u305d\u308c\u306f\u7b2c\u4e09\u8005\u304c\u95a2\u4e0e\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u30aa\u30f3\u30e9\u30a4\u30f3\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u307b\u3068\u3093\u3069\u540c\u3058\u3088\u3046\u306b\u6a5f\u80fd\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u5b89\u5168\u306b\u3059\u308b\u306b\u306f\u3001\u7b2c\u4e09\u8005\u304c\u95a2\u4e0e\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 HTTPS\u304c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306bWeb\u30d6\u30e9\u30a6\u30b6\u304c\u4f7f\u7528\u3059\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3042\u308b\u5834\u5408\u3001Handshake\u306e\u6b8b\u308a\u306e\u534a\u5206\u306f\u6697\u53f7\u5316\u3092\u4fdd\u8a3c\u3059\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6697\u53f7\u5316\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4ecb\u3057\u3066\u30c7\u30fc\u30bf\u3092\u8ee2\u9001\u3059\u308b2\u3064\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u533a\u5225\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u6280\u8853\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u8a8d\u8b58\u53ef\u80fd\u306a\u6587\u5b57\u3092\u8a8d\u8b58\u3067\u304d\u306a\u3044\u30e9\u30f3\u30c0\u30e0\u30b3\u30fc\u30c9\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u884c\u308f\u308c\u307e\u3059\u3002\u3053\u306e\u30b3\u30fc\u30c9\u306f\u3001\u6697\u53f7\u5316\u30ad\u30fc\u3092\u4f7f\u7528\u3057\u3066\u5143\u306e\u30c6\u30ad\u30b9\u30c8\u306b\u623b\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u6700\u521d\u306f\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff08SSL\uff09\u3068\u547c\u3070\u308c\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4ecb\u3057\u3066\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>SSL\u306f\u3001\u4efb\u610f\u306eWeb\u30b5\u30a4\u30c8\u3068\u30d6\u30e9\u30a6\u30b6\u30fc\u306e\u9593\u306e\u30c7\u30fc\u30bf\u3092\u30e9\u30f3\u30c0\u30e0\u306a\u30b3\u30fc\u30c9\u306b\u5909\u63db\u3057\u3066\u5143\u306b\u623b\u3059\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3067\u3059\u3002\u4ed5\u7d44\u307f\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ul><li>\u30d6\u30e9\u30a6\u30b6\u3092\u958b\u3044\u305f\u5f8c\u3001\u9280\u884c\u306e\u4f4f\u6240\u3092\u5165\u529b\u3057\u307e\u3059\u3002<\/li><li>Web\u30d6\u30e9\u30a6\u30b6\u30fc\u304c\u9280\u884c\u306e\u30c9\u30a2\u3092\u30ce\u30c3\u30af\u3057\u3001\u9280\u884c\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/li><li>\u7ba1\u7406\u4eba\u306f\u3001\u3042\u306a\u305f\u304c\u672c\u4eba\u3067\u3042\u308b\u3068\u78ba\u8a8d\u3057\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u4e0b\u3067\u3042\u306a\u305f\u3092\u53d7\u3051\u5165\u308c\u308b\u3053\u3068\u306b\u540c\u610f\u3057\u307e\u3059\u3002<\/li><li>Web\u30d6\u30e9\u30a6\u30b6\u306f\u3053\u308c\u3089\u306e\u6761\u4ef6\u306b\u540c\u610f\u3057\u3001\u9280\u884c\u306eWeb\u30b5\u30a4\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u8a31\u53ef\u3055\u308c\u307e\u3059\u3002<\/li><\/ul>\n\n\n\n<p>\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5165\u529b\u3059\u308b\u3068\u304d\u306b\u7e70\u308a\u8fd4\u3055\u308c\u3001\u3055\u3089\u306b\u3044\u304f\u3064\u304b\u306e\u8ffd\u52a0\u624b\u9806\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul><li>\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u306b\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5165\u529b\u3057\u307e\u3059\u3002<\/li><li>Web\u30d6\u30e9\u30a6\u30b6\u30fc\u306f\u3001\u9280\u884c\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u306b\u3001\u81ea\u5206\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u3092\u901a\u77e5\u3057\u307e\u3059\u3002<\/li><li>\u4f1a\u8a71\u306e\u5f8c\u3001\u5f7c\u3089\u306f\u3042\u306a\u305f\u304c\u6b63\u3057\u3044\u8cc7\u683c\u60c5\u5831\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308c\u3070\u3042\u306a\u305f\u304c\u30a2\u30af\u30bb\u30b9\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3053\u3068\u306b\u540c\u610f\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u3089\u306e\u8cc7\u683c\u60c5\u5831\u306f\u7279\u5225\u306a\u8a00\u8a9e\u3067\u63d0\u793a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li><li>Web\u30d6\u30e9\u30a6\u30b6\u30fc\u3068\u9280\u884c\u53e3\u5ea7\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u306f\u3001\u6b21\u306b\u4f7f\u7528\u3059\u308b\u8a00\u8a9e\u306b\u3064\u3044\u3066\u5408\u610f\u3057\u307e\u3059\u3002<\/li><li>Web\u30d6\u30e9\u30a6\u30b6\u30fc\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u305d\u306e\u7279\u5225\u306a\u8a00\u8a9e\u306b\u5909\u63db\u3057\u3001\u9280\u884c\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002<\/li><li>\u30a2\u30ab\u30a6\u30f3\u30c8\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u306f\u60c5\u5831\u3092\u53d7\u3051\u53d6\u308a\u3001\u30c7\u30b3\u30fc\u30c9\u3057\u3066\u3001\u30ec\u30b3\u30fc\u30c9\u3068\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/li><li>\u30af\u30ec\u30c7\u30f3\u30b7\u30e3\u30eb\u304c\u4e00\u81f4\u3059\u308b\u3068\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/li><\/ul>\n\n\n\n<p>\u30d7\u30ed\u30bb\u30b9\u5168\u4f53\u306f\u30ca\u30ce\u79d2\uff0810\u5104\u5206\u306e1\u79d2\uff09\u3067\u884c\u308f\u308c\u308b\u305f\u3081\u3001Web\u30d6\u30e9\u30a6\u30b6\u30fc\u3068Web\u30b5\u30a4\u30c8\u306e\u9593\u3067\u4f1a\u8a71\u3068\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u304c\u767a\u751f\u3059\u308b\u306e\u306b\u304b\u304b\u308b\u6642\u9593\u306b\u6c17\u4ed8\u304f\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>TLS\u6697\u53f7\u5316<\/p>\n\n\n\n<p>\u5229\u70b9<\/p>\n\n\n\n<ul><li>\u3088\u308a\u5b89\u5168\u306a\u6697\u53f7\u5316\u3002<\/li><li>\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3068Web\u30b5\u30a4\u30c8\u306e\u9593\u3067\u30c7\u30fc\u30bf\u3092\u96a0\u3059\u3002<\/li><li>\u30d7\u30ed\u30c8\u30b3\u30eb\u6697\u53f7\u5316\u901a\u4fe1\u3067\u306e\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u30d7\u30ed\u30bb\u30b9\u306e\u6539\u5584\u3002<\/li><\/ul>\n\n\n\n<p>\u77ed\u6240<\/p>\n\n\n\n<ul><li>\u5b8c\u5168\u306a\u6697\u53f7\u5316\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li><li>DNS\u3092\u30a2\u30af\u30c6\u30a3\u30d6\u306b\u6697\u53f7\u5316\u3057\u307e\u305b\u3093\u3002<\/li><li>\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u306f\u5b8c\u5168\u306b\u306f\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u305b\u3093\u3002<\/li><\/ul>\n\n\n\n<p>TLS\u6697\u53f7\u5316\u306f\u3001\u30c7\u30fc\u30bf\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002SSL\u306f\u4ee5\u524d\u306f\u512a\u308c\u305f\u30c6\u30af\u30ce\u30ed\u30b8\u3067\u3057\u305f\u304c\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u6025\u901f\u306b\u5909\u5316\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u3088\u308a\u512a\u308c\u305f\u6700\u65b0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u5fc5\u8981\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6700\u65b0\u306eTLS\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u3069\u308c\u3067\u3059\u304b\uff1f<\/h2>\n\n\n\n<p>TLS\u6697\u53f7\u5316\u306fSSL\u3068\u3068\u3082\u306b\u9032\u5316\u3057\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002\u73fe\u5728\u306eTLS\u30d0\u30fc\u30b8\u30e7\u30f3\u306f1.2\u3067\u3059\u304c\u3001TLS\u30d0\u30fc\u30b8\u30e7\u30f31.3\u306f\u521d\u671f\u6bb5\u968e\u306b\u3042\u308a\u3001\u4e00\u90e8\u306e\u4f01\u696d\u3084\u30d6\u30e9\u30a6\u30b6\u306f\u3053\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u3057\u3070\u3089\u304f\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u3001\u30d0\u30fc\u30b8\u30e7\u30f31.3\u306f\u307e\u3060\u5b8c\u5168\u3067\u306f\u306a\u3044\u305f\u3081\u3001TLS1.2\u306b\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>TLS 1.3\u304c\u5b8c\u4e86\u3059\u308b\u3068\u3001\u65b0\u3057\u3044\u30bf\u30a4\u30d7\u306e\u6697\u53f7\u5316\u306e\u30b5\u30dd\u30fc\u30c8\u304c\u6539\u5584\u3055\u308c\u308b\u306a\u3069\u3001\u591a\u304f\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u6539\u5584\u3055\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001TLS 1.3\u3067\u306f\u3001\u500b\u4eba\u30c7\u30fc\u30bf\u306e\u9069\u5207\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u6697\u53f7\u5316\u3092\u4fdd\u8a3c\u3059\u308b\u306e\u306b\u5341\u5206\u306a\u5805\u7262\u6027\u304c\u306a\u304f\u306a\u3063\u305f\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306eSSL\u30d7\u30ed\u30c8\u30b3\u30eb\u3084\u305d\u306e\u4ed6\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c6\u30af\u30ce\u30ed\u30b8\u306e\u30b5\u30dd\u30fc\u30c8\u3082\u524a\u9664\u3055\u308c\u307e\u3059\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u91cd\u5927\u306a\u30c7\u30fc\u30bf\u4fb5\u5bb3\u306b\u95a2\u3059\u308b\u30cb\u30e5\u30fc\u30b9\u8a18\u4e8b\u3092\u3088\u304f\u76ee\u306b\u3057\u307e\u3059\u304c\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u306b\u306a\u3063\u305f\u3068\u304d\u306b\u60c5\u5831\u304c\u3069\u306e\u3088\u3046\u306b\u4fdd\u8b77\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u8003\u3048\u59cb\u3081\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3042\u306a\u305f\u304c\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u8a2a\u554f\u3059\u308b\u3068\u304d\u305d\u3057\u3066\u3002 <a class=\"read-more-link\" href=\"https:\/\/affiv.com\/ja\/tls%e3%81%a8ssl%e3%81%ae%e9%81%95%e3%81%84%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b\/\">read more...<\/a><\/p>","protected":false},"author":1,"featured_media":963,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[166],"tags":[202,201],"class_list":["post-962","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-how-to","tag-ssl","tag-tls"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2022\/07\/SSL-TLS.jpg?fit=1024%2C530&ssl=1","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/affiv.com\/ja\/wp-json\/wp\/v2\/posts\/962","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/affiv.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/affiv.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/affiv.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/affiv.com\/ja\/wp-json\/wp\/v2\/comments?post=962"}],"version-history":[{"count":1,"href":"https:\/\/affiv.com\/ja\/wp-json\/wp\/v2\/posts\/962\/revisions"}],"predecessor-version":[{"id":964,"href":"https:\/\/affiv.com\/ja\/wp-json\/wp\/v2\/posts\/962\/revisions\/964"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/affiv.com\/ja\/wp-json\/wp\/v2\/media\/963"}],"wp:attachment":[{"href":"https:\/\/affiv.com\/ja\/wp-json\/wp\/v2\/media?parent=962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/affiv.com\/ja\/wp-json\/wp\/v2\/categories?post=962"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/affiv.com\/ja\/wp-json\/wp\/v2\/tags?post=962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}