{"id":2186,"date":"2014-12-12T10:44:19","date_gmt":"2014-12-12T01:44:19","guid":{"rendered":"https:\/\/ec2-54-238-200-5.ap-northeast-1.compute.amazonaws.com\/blog\/?p=2186"},"modified":"2019-03-28T17:08:37","modified_gmt":"2019-03-28T08:08:37","slug":"e%e3%83%a1%e3%83%bc%e3%83%ab%e3%81%ae%e3%83%97%e3%83%a9%e3%82%a4%e3%83%90%e3%82%b7%e3%83%bc%e3%81%a8tls%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"https:\/\/sendgrid.kke.co.jp\/blog\/?p=2186","title":{"rendered":"E\u30e1\u30fc\u30eb\u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068TLS\u306b\u3064\u3044\u3066"},"content":{"rendered":"<p style=\"background-color:#FFFFFF;margin:0;padding:0;\"><img decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/10326762_s.jpg\" alt=\"E\u30e1\u30fc\u30eb\u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068TLS\u306b\u3064\u3044\u3066\" style=\"margin:0;display: block; margin: auto;\" \/><\/p>\n<blockquote>\n<p>\u3053\u306e\u8a18\u4e8b\u306f <a href=\"https:\/\/sendgrid.com\/blog\/myth-opportunistic-tls-email-privacy\/\" target=\"_blank\">The Myth of Opportunistic TLS and Email Privacy<\/a> \u306e\u6284\u8a33\u3067\u3059\u3002<\/p>\n<\/blockquote>\n<p>SendGrid\u306f\u3001\u3053\u306e6\u6708\u306b\u304a\u5ba2\u69d8\u306e\u901a\u4fe1\u5185\u5bb9\u3092<a href=\"http:\/\/cms.fightforthefuture.org\/was-epic-reset-net\/\" title=\"Reset the Net\" target=\"_blank\">\u76e3\u8996\u304b\u3089\u5b88\u308b\u305f\u3081\u306e\u6d3b\u52d5<\/a>\u306b\u53c2\u52a0\u3057\u3001TLS\u306b\u3088\u308b<a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=1383\" title=\"SendGrid\u3068\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u4eca\u5f8c\" target=\"_blank\">\u65e5\u548c\u898b\u6697\u53f7\u5316\u306b\u5bfe\u5fdc<\/a>\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u3053\u3068\u3067\u304a\u5ba2\u69d8\u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u5b88\u308b\u3053\u3068\u306f\u3042\u308b\u7a0b\u5ea6\u53ef\u80fd\u3067\u3059\u304c\u3001\u5b8c\u5168\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002TLS\u306e\u65e5\u548c\u898b\u6697\u53f7\u5316\u306b\u3088\u308a\u3001\u3082\u3061\u308d\u3093\u5e73\u6587\u3067\u305d\u306e\u307e\u307e\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u3088\u308a\u306f\u5b89\u5168\u6027\u304c\u9ad8\u307e\u308a\u307e\u3059\u304c\u3001TLS\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u30c9\u30e1\u30a4\u30f3\u306b\u5bfe\u3059\u308b\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3092\u9632\u3050\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u653b\u6483\u8005\u306f\u3001\u305d\u306e\u30c9\u30e1\u30a4\u30f3\u3092\u4e57\u3063\u53d6\u308a\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u3001\u6b63\u3057\u3044\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306b\u5c4a\u3051\u308b\u3053\u3068\u3067\u3001\u30e1\u30fc\u30eb\u306e\u5185\u5bb9\u3092\u508d\u53d7\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>Enfoced TLS(\u5f37\u5236\u7684\u306bTLS\u3067\u901a\u4fe1\u3059\u308b)\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30fc\u30eb\u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u5b8c\u5168\u306b\u5b88\u308b\u3053\u3068\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002Enforced TLS\u3092\u5229\u7528\u3059\u308b\u3068TLS\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u30b5\u30fc\u30d0\u306b\u5bfe\u3057\u3066\u306e\u30e1\u30fc\u30eb\u306f\u914d\u4fe1\u3055\u308c\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3001SendGrid\u3067\u306f\u65e5\u548c\u898b\u6697\u53f7\u5316\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u6a5f\u80fd\u3092\u5229\u7528\u3059\u308b\u304b\u3069\u3046\u304b\u306f\u304a\u5ba2\u69d8\u306b\u3066\u304a\u9078\u3073\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><!--more--><\/p>\n<div style=\"clear:both;width:auto;height:40px;\"><!----><\/div>\n<h4><strong>Enforced TLS<\/strong><\/h4>\n<p>\u5148\u306b\u8ff0\u3079\u305f\u3068\u304a\u308a\u3001Enforced TLS\u3092\u5229\u7528\u3059\u308b\u304b\u3069\u3046\u304b\u306f\u304a\u5ba2\u69d8\u304c\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u30e1\u30fc\u30eb\u304c\u914d\u4fe1\u3055\u308c\u308b\u304b\u3069\u3046\u304b\u3088\u308a\u3082\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u306e\u307b\u3046\u304c\u91cd\u8981\u3060\u3068\u304a\u8003\u3048\u3067\u3042\u308c\u3070\u662f\u975e\u3054\u5229\u7528\u304f\u3060\u3055\u3044\u3002\u3061\u306a\u307f\u306bSendGrid\u304b\u3089\u9001\u4fe1\u3055\u308c\u308b\u30e1\u30fc\u30eb\u306e92%\u304cTLS\u3092\u5229\u7528\u3057\u3066\u9001\u4fe1\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u591a\u304f\u306e\u30b5\u30fc\u30d0\u304c\u6697\u53f7\u5316\u306b\u5bfe\u5fdc\u3057\u59cb\u3081\u305f\u306e\u3067\u3001\u4ee5\u524d\u306e\u8abf\u67fb\u3088\u308a\u3082TLS\u306e\u5229\u7528\u7387\u306f\u5927\u304d\u304f\u4e0a\u6607\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>TLS\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u5b89\u5168\u6027\u306f\u9ad8\u307e\u308a\u307e\u3059\u304c\u3001\u65e5\u548c\u898b\u6697\u53f7\u5316\u306b\u306fSSL\u8a8d\u8a3c\u30a8\u30e9\u30fc\u306e\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u306b\u95a2\u308f\u308b\u6b20\u70b9\u304c\u3042\u308a\u307e\u3059\u3002TLS\u3092\u5229\u7528\u3057\u3066\u9001\u4fe1\u3055\u308c\u308b\u30e1\u30fc\u30eb\u306e\u3046\u3061\u3001\u7d043%\u304c\u4f55\u3089\u304b\u306eSSL\u8a8d\u8a3c\u30a8\u30e9\u30fc\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u306f\u3001\u81ea\u5df1\u7f72\u540d\u306e\u8a3c\u660e\u66f8\u3067\u3042\u3063\u305f\u308a\u3001\u6709\u52b9\u671f\u9650\u5207\u308c\u306e\u8a3c\u660e\u66f8\u3067\u3042\u3063\u305f\u308a\u69d8\u3005\u3067\u3059\u3002\u3082\u3057\u3001\u305d\u3046\u3044\u3063\u305f\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u6642\u306b\u3001\u30e6\u30fc\u30b6\u306b\u3069\u306e\u3088\u3046\u306b\u5bfe\u51e6\u3059\u308b\u304b\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308c\u3070\u3088\u3044\u306e\u3067\u3059\u304c\u3001\u65e5\u548c\u898b\u6697\u53f7\u5316\u3067\u306f\u3001\u305d\u306e\u307e\u307e\u9001\u308b\u3068\u3044\u3046\u4ed5\u69d8\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Enforced TLS\u306b\u3088\u3063\u3066\u3053\u306e\u6319\u52d5\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002require_valid_cert\u30d1\u30e9\u30e1\u30fc\u30bf\u3092true\u306b\u3059\u308b\u3068\u3001\u554f\u984c\u306e\u3042\u308b\u8a3c\u660e\u66f8\u3060\u3063\u305f\u5834\u5408\u306b\u306f\u305d\u306e\u30e1\u30fc\u30eb\u306f\u9045\u5ef6\u72b6\u614b\u306b\u306a\u308a\u307e\u3059(Deferred)\u3002\u3053\u306e\u8a2d\u5b9a\u306frequire_tls\u30d1\u30e9\u30e1\u30fc\u30bf\u304ctrue\u306b\u306a\u3063\u3066\u3044\u305f\u3068\u304d\u306e\u307f\u6709\u52b9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>Enforced TLS\u306fWebAPI v3\u3092\u5229\u7528\u3057\u3066\u8a2d\u5b9a\u53ef\u80fd\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u73fe\u5728\u306e\u8a2d\u5b9a\u60c5\u5831\u3092\u53d6\u5f97\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<pre class=\"brush: plain; gutter: false; title: ; notranslate\" title=\"\">\r\nGET api.sendgrid.com\/v3\/user\/settings\/enforced_tls\r\n{\r\n&quot;require_tls&quot;: false,\r\n&quot;require_valid_cert&quot;: false\r\n}\r\n<\/pre>\n<p>Enforced TLS\u3092\u6709\u52b9\u306b\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306eAPI\u3092\u3054\u5229\u7528\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"brush: plain; gutter: false; title: ; notranslate\" title=\"\">\r\nPATCH api.sendgrid.com\/v3\/user\/settings\/enforced_tls\r\nHeader: \u201cContent-Type: application\/json\u201d\r\n{\r\n&quot;require_tls&quot;: true,\r\n&quot;require_valid_cert&quot;: true\r\n}\r\n<\/pre>\n<p>\u3053\u306e\u8a2d\u5b9a\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001<br \/>\n\u30fb\u53d7\u4fe1\u5074\u306e\u30b5\u30fc\u30d0\u304cTLS\u63a5\u7d9a\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3053\u3068<br \/>\n\u30fb\u6b63\u5f53\u306aTLS\u8a3c\u660e\u66f8\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u3053\u3068<br \/>\n\u306e\u4e21\u65b9\u3092\u6e80\u305f\u3055\u306a\u3044\u5834\u5408\u306f\u3001\u30e1\u30fc\u30eb\u306f\u30c9\u30ed\u30c3\u30d7\u3055\u308c\u4ee5\u4e0b\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u3068\u3068\u3082\u306bBlock\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n<p><em>500 TLS require but not supported<\/em><\/p>\n<p>Dropped\u3084Deferred\u306b\u3064\u3044\u3066\u306e\u8a73\u7d30(\u3069\u306e\u30b5\u30fc\u30d0\u306b\u30e1\u30fc\u30eb\u3092\u9001\u308c\u306a\u304b\u3063\u305f\u306e\u304b\u7b49)\u306f\u3001Event Webhook\u3084Email Activity\u3092\u5229\u7528\u3057\u3066\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<br \/>\n\u203bEnforced TLS\u306b\u3064\u3044\u3066\u306fAPI\u30de\u30cb\u30e5\u30a2\u30eb\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002(<a href=\"https:\/\/sendgrid.kke.co.jp\/?p=signup.form\" title=\"\u65b0\u898f\u4f1a\u54e1\u767b\u9332 \"target=\"_blank\">\u4f1a\u54e1\u767b\u9332<\/a>\u304c\u5fc5\u8981\u3067\u3059)<\/p>\n<div style=\"clear:both;width:auto;height:40px;\"><!----><\/div>\n<h4><strong>\u6700\u5f8c\u306b<\/strong><\/h4>\n<p>\u3053\u306e\u6a5f\u80fd\u3092\u6709\u52b9\u306b\u3059\u308b\u524d\u306b\u3069\u308c\u304f\u3089\u3044\u306e\u5f71\u97ff\u304c\u3042\u308a\u3046\u308b\u306e\u304b\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u3001\u30ed\u30b0\u30c7\u30fc\u30bf\u3092\u8abf\u67fb\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u7d50\u679c\u3001TLS\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u30b5\u30fc\u30d0\u306b\u3064\u3044\u3066\u8208\u5473\u6df1\u3044\u7d50\u679c\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002\u65e5\u672c\u3084\u30e8\u30fc\u30ed\u30c3\u30d1\u306e\u5927\u898f\u6a21\u306a\u30b5\u30fc\u30d3\u30b9\u3084\u3001\u7c73\u56fd\u306e\u5bb6\u5ead\u7528ISP\u306e\u591a\u304f\u304cTLS\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u306e\u3067\u3059\u3002\u3053\u306e\u60c5\u5831\u3092\u516c\u958b\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u305d\u308c\u3089\u306e\u30b5\u30fc\u30d3\u30b9\u304c\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u5b88\u308b\u305f\u3081\u306e\u4e00\u6b69\u3092\u8e0f\u307f\u51fa\u3059\u304d\u3063\u304b\u3051\u3068\u306a\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n<p style=\"margin-bottom: 0px;\">\u53c2\u8003\uff1a<\/p>\n<ul style=\"background-image: none; list-style-type:disc; margin-left: 20px;\">\n<li style=\"background-image: none;\"><a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=1383\" title=\"SendGrid\u3068\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u4eca\u5f8c\" target=\"_blank\">SendGrid\u3068\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u4eca\u5f8c<\/a><\/li>\n<li style=\"background-image: none;\"><a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=1554\" title=\"\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u6697\u53f7\u5316\u5165\u9580\" target=\"_blank\">\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u6697\u53f7\u5316\u5165\u9580<\/a><\/li>\n<li style=\"background-image: none;\"><a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=1560\" title=\"S\/MIME\u3092\u4f7f\u3063\u305f\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u6697\u53f7\u5316\" target=\"_blank\">S\/MIME\u3092\u4f7f\u3063\u305f\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u6697\u53f7\u5316<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u8a18\u4e8b\u306f The Myth of Opportunistic TLS and Email Privacy \u306e\u6284\u8a33\u3067\u3059\u3002 SendGrid\u306f\u3001\u3053\u306e6\u6708\u306b\u304a\u5ba2\u69d8\u306e\u901a\u4fe1\u5185\u5bb9\u3092\u76e3\u8996\u304b\u3089\u5b88\u308b\u305f\u3081\u306e\u6d3b\u52d5\u306b\u53c2\u52a0\u3057\u3001TLS\u306b\u3088\u308b\u65e5\u548c\u898b <a class=\"read-more\" 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