{"id":26591,"date":"2020-03-09T05:11:39","date_gmt":"2020-03-09T12:11:39","guid":{"rendered":"https:\/\/staging.kinsta.site\/?post_type=knowledgebase&#038;p=66790"},"modified":"2022-09-24T00:03:09","modified_gmt":"2022-09-23T15:03:09","slug":"err_ssl_obsolete_version","status":"publish","type":"knowledgebase","link":"https:\/\/staging.kinsta.site\/jp\/knowledgebase\/err_ssl_obsolete_version\/","title":{"rendered":"Chrome\u300cERR_SSL_OBSOLETE_VERSION\u300d\u8b66\u544a\u901a\u77e5\u306e\u89e3\u6c7a\u65b9\u6cd5"},"content":{"rendered":"<p><a href=\"https:\/\/staging.kinsta.site\/jp\/blog\/wordpress-statistics\/\">WordPress\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8<\/a>\u3092\u904b\u55b6\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u305d\u306e\u30b5\u30a4\u30c8\u3092\u8a2a\u554f\u8005\u304c\u7c21\u5358\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001Chrome\u306e\u30a8\u30e9\u30fc\u8b66\u544a\u306a\u3069\u306e\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3084\u63a5\u7d9a\u7570\u5e38\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u306f\u975e\u5e38\u306b\u30a4\u30e9\u30a4\u30e9\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u672c\u6295\u7a3f\u3067\u306f\u3001Chrome\u306eERR_SSL_OBSOLETE_VERSION\u8b66\u544a\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3001\u767a\u751f\u7406\u7531\u3068\u89e3\u6c7a\u7b56\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f\u59cb\u3081\u307e\u3057\u3087\u3046\uff01<\/p>\n<div><\/div><kinsta-auto-toc heading=\"Table of Contents\" exclude=\"last\" list-style=\"arrow\" selector=\"h2\" count-number=\"-1\"><\/kinsta-auto-toc>\n<h2>TLS 1.0\u30681.1\u306e\u6982\u8981\uff08\u304a\u3088\u3073\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u306a\u304f\u306a\u3063\u305f\u7406\u7531\uff09<\/h2>\n<p>Google Chrome 72\u3067\u306e\u91cd\u8981\u306a\u5909\u66f4\u3067\u3059\u304c\u3001<a href=\"https:\/\/developers.google.com\/web\/updates\/2018\/12\/chrome-72-deps-rems\">\u53e4\u304f\u306a\u3063\u305fTLS\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u975e\u63a8\u5968<\/a>\u306b\u3055\u308c\u307e\u3057\u305f\u30022019\u5e74\u306bGoogle\u306a\u3069\u4e3b\u8981\u306a\u30d6\u30e9\u30a6\u30b6\u304c<a href=\"https:\/\/security.googleblog.com\/2018\/10\/modernizing-transport-security.html\" target=\"_blank\" rel=\"noopener noreferrer\">TLS 1.0\u3068TLS 1.1\u3092\u975e\u63a8\u5968\u306b\u3059\u308b<\/a>\u3053\u3068\u3092\u65e2\u306b\u767a\u8868\u3057\u3066\u3044\u305f\u70ba\u3001\u9a5a\u304f\u3079\u304d\u3053\u3068\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u7406\u7531\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u306e<a href=\"https:\/\/staging.kinsta.site\/jp\/blog\/tls-1-3\/#security-tls-1.3\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/a>\u3068<a href=\"https:\/\/staging.kinsta.site\/jp\/blog\/tls-1-3\/#speed-tls-1.3\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/a>\u3092\u5f37\u5316\u3057\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3067\u4fdd\u8b77\u3055\u308c\u3066\u3044\u306a\u3044\u30b5\u30a4\u30c8\u304b\u3089\u30e6\u30fc\u30b6\u30fc\u3092\u4fdd\u8b77\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>TLS\u306f\u300cTransport Layer Security\u300d\u306e\u7565\u3067\u3059\u3002\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u9001\u4fe1\u3055\u308c\u308b\u30c7\u30fc\u30bf\u306e\u4fdd\u8b77\u3092\u62c5\u5f53\u3059\u308b<a href=\"https:\/\/staging.kinsta.site\/jp\/knowledgebase\/tls-vs-ssl\/\">\u6697\u53f7\u5316\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30ed\u30c8\u30b3\u30eb<\/a>\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30b5\u30fc\u30d0\u30fc\u3068\u30a8\u30f3\u30c9\u30e6\u30fc\u30b6\u30fc\u306e\u30d6\u30e9\u30a6\u30b6\u9593\u3067\u9001\u4fe1\u3055\u308c\u308b\u60c5\u5831\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002<\/p>\n<p>\u73fe\u5728\u3001TLS 1.0\u3068TLS 1.1\u306f\u975e\u5e38\u306b\u9650\u3089\u308c\u3066\u304a\u308a\u3001\u6700\u65b0\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3092\u30b5\u30dd\u30fc\u30c8\u3067\u304d\u306a\u3044<strong>\u53e4\u3044\u6a19\u6e96\u898f\u683c<\/strong>\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u7126\u70b9\u306f\u65b0\u3057\u3044TLS 1.2\u30681.3\u306b\u5411\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306f\u3001<a href=\"https:\/\/staging.kinsta.site\/jp\/blog\/tls-1-3\/\">\u512a\u308c\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u9ad8\u901f\u5316<\/a>\u3092\u63d0\u4f9b\u3057\u3001\u307b\u3068\u3093\u3069\u3059\u3079\u3066\u306e\u30d6\u30e9\u30a6\u30b6\u3092\u30d9\u30fc\u30b9\u306b\u3057\u305f\u63a5\u7d9a\u3067\u3059\u3067\u306b\u6a19\u6e96\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3067\u53e4\u3044TLS\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4f7f\u7528\u3059\u308b\u5371\u967a<\/h2>\n<p>\u3067\u306f\u3001Chrome\u30d6\u30e9\u30a6\u30b6\u307e\u305f\u306f\u3042\u306a\u305f\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306f\u4eca\u5f8c\u3069\u3046\u306a\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1fChrome 79\u4ee5\u964d\u3001\u30b5\u30a4\u30c8\u304cTLS 1.0\u307e\u305f\u306fTLS 1.1\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001Chrome\u306f\u300c\u5b89\u5168\u3067\u306a\u3044\u300d\u8b66\u544a\u901a\u77e5\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1274px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2020\/02\/site-not-secure-tls-1.png\" alt=\"ERR_SSL_OBSOLETE_VERSION\" width=\"1274\" height=\"1032\"><figcaption class=\"wp-caption-text\">TLS 1.0\u307e\u305f\u306f1.1\u3092\u4f7f\u7528\u3057\u305f\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u306b\u65b0\u3057\u3044\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\uff08\u753b\u50cf\u306e\u51fa\u5178\uff1achroma.org\uff09<\/figcaption><\/figure>\n<p>\u8a2a\u554f\u8005\u304c\u30af\u30ea\u30c3\u30af\u3057\u3066\u8a73\u7d30\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<blockquote><p>\u300c\u63a5\u7d9a\u306f\u5b8c\u5168\u306b\u5b89\u5168\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u30b5\u30a4\u30c8\u306f\u53e4\u3044\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u69cb\u6210\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u60c5\u5831\u304c\u6f0f\u6d29\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u300d<\/p><\/blockquote>\n<p>\u5f53\u7136\u3001\u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u898b\u308b\u3068\u591a\u304f\u306e\u8a2a\u554f\u8005\u304c\u30a2\u30af\u30bb\u30b9\u3057\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306f\u3001<a href=\"https:\/\/staging.kinsta.site\/jp\/knowledgebase\/err_ssl_protocol_error\/\">\u904e\u53bb\u306b\u8868\u793a\u3055\u308c\u305fChrome\u8b66\u544a<\/a>\u306b\u4f3c\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u306e\u901a\u77e5\u306f\u3001Chrome\u306e\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u308b\u5ea6\u306b\u3088\u308a\u6df1\u523b\u306b\u306a\u308b\u3053\u3068\u306b\u3054\u6ce8\u610f\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u30012021\u5e743\u6708\u306b\u30ea\u30ea\u30fc\u30b9\u3059\u308b\u4e88\u5b9a\u306eChrome 81\u3067\u306f\u3001\u53e4\u3044\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u7528\u3059\u308b\u30b5\u30a4\u30c8\u3078\u306e\u63a5\u7d9a\u306f\u5b8c\u5168\u306b\u30d6\u30ed\u30c3\u30af\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2020\/02\/connection-not-secure-chrome-tls.png\" alt=\"ERR_SSL_OBSOLETE_VERSION\" width=\"1600\" height=\"1256\"><figcaption class=\"wp-caption-text\">TLS 1.0\u307e\u305f\u306f1.1\u3092\u4f7f\u7528\u3057\u305f\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u306b\u8b66\u544a\u901a\u77e5\u304c\u8868\u793a\u3055\u308c\u308b\uff08\u753b\u50cf\u306e\u51fa\u5178\uff1achroma.org\uff09<\/figcaption><\/figure>\n<p>Chrome\u306e\u65b0\u3057\u3044\u8b66\u544a\u901a\u77e5\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u30da\u30fc\u30b8\u304c\u5b8c\u5168\u306b\u5b89\u5168\u3067\u306f\u306a\u3044\u3053\u3068\u3092\u8aac\u660e\u3059\u308b\u5168\u30da\u30fc\u30b8\u901a\u77e5\u306b\u306a\u308b\u3088\u3046\u3067\u3059\u3002\u3055\u3089\u306b\u3001ERR_SSL_OBSOLETE_VERSION\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u542b\u307e\u308c\u308b\u3088\u3046\u3067\u3059\u3002\u8b66\u544a\u901a\u77e5\u306b\u3042\u308b\u300cobsolete version\u300d\uff08\u5ec3\u6b62\u3055\u308c\u305f\u30d0\u30fc\u30b8\u30e7\u30f3\uff09\u306f\u3001TLS 1.0\u307e\u305f\u306fTLS 1.1\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001Google\u304c\u30b5\u30a4\u30c8\u7ba1\u7406\u8005\u306bTLS 1.2\u4ee5\u964d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u3059\u3050\u306b\u6709\u52b9\u306b\u3059\u308b\u3088\u3046\u306b\u5968\u52b1\u3057\u3066\u3044\u307e\u3059\u3002\u624b\u9806\u306f\u3001\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u4f1a\u793e\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3064\u3044\u3066\u306f\u3001\u5f8c\u307b\u3069\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<aside role=\"note\" class=\"wp-block-kinsta-notice is-style-info\">\n            <h3>Info<\/h3>\n        <p><a href=\"https:\/\/staging.kinsta.site\/jp\/plans\/\">Kinsta\u306e\u5404\u30d7\u30e9\u30f3\u3067<\/a>\u3001TLS 1.3\u306e\u30a6\u30a7\u30d6\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5074\u9762\u3067\u306e\u5229\u70b9\u3092\u6700\u5927\u9650\u306b\u6d3b\u7528\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/p>\n<\/aside>\n\n<p>\u305f\u3060\u3057\u3001\u307e\u305a\u306f\u3001\u672c\u7570\u5e38\u304c\u3042\u306a\u305f\u306e\u30b5\u30a4\u30c8\u3067\u767a\u751f\u3059\u308b\u6050\u308c\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u30b5\u30a4\u30c8\u306eTLS\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f<\/h2>\n<p>ERR_SSL_OBSOLETE_VERSION\u306e\u8b66\u544a\u901a\u77e5\u304c\u3059\u3067\u306b\u767a\u751f\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30b5\u30a4\u30c8\u304c\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306eTLS\u306e\u307f\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001<a href=\"https:\/\/staging.kinsta.site\/jp\/blog\/google-search-console\/\" target=\"_blank\" rel=\"noopener noreferrer\">Google Search Console<\/a>\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3068\u304d\u306b\u672c\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eTLS\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u308f\u304b\u3089\u306a\u3044\u5834\u5408\u306f\u3069\u3046\u3057\u307e\u3059\u304b\uff1f<\/p>\n<p>\u5e78\u3044\u306a\u3053\u3068\u306b\u3001\u3053\u306e\u60c5\u5831\u3092\u898b\u3064\u3051\u308b\u65b9\u6cd5\u306f\u8907\u6570\u3042\u308a\u307e\u3059\u3002\u6700\u3082\u7c21\u5358\u306a\u65b9\u6cd5\u306e\u4e00\u3064\u306f\u3001<a href=\"https:\/\/developers.google.com\/web\/tools\/chrome-devtools\" target=\"_blank\" rel=\"noopener noreferrer\">Chrome DevTools<\/a>\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u30c4\u30fc\u30eb\u306b\u306f\u3001\u300c<strong>Command+Option+C<\/strong>\u300d \uff08Mac\uff09\u307e\u305f\u306f\u300c<strong>Ctrl+Shift+C<\/strong>\u300d\uff08Windows\u304a\u3088\u3073Linux\uff09\u3092\u4f7f\u7528\u3057\u3066\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002\u6b21\u306b\u3001\u300c<strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong>\u300d\u30bf\u30d6\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1466px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2020\/02\/chrome-devtools-security-tab-1.png\" alt=\"chrome devtools\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30bf\u30d6\" width=\"1466\" height=\"673\"><figcaption class=\"wp-caption-text\">Chrome DevTools\u306e\u300c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u300d\u30bf\u30d6<\/figcaption><\/figure>\n<p>\u300c<strong>Security Overview<\/strong>\u300d\uff08\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u6982\u8981\uff09\u306e\u300c<strong>Connection<\/strong>\u300d\uff08\u63a5\u7d9a\uff09\u306b\u306f\u3001\u30b5\u30a4\u30c8\u306eTLS\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4e0a\u8a18\u306e\u4f8b\u306e\u3088\u3046\u306b\u30d0\u30fc\u30b8\u30e7\u30f3\u304c1.2\u307e\u305f\u306f1.3\u306e\u5834\u5408\u3001Chrome\u306eERR_SSL_OBSOLETE_VERSION\u8b66\u544a\u306b\u3064\u3044\u3066\u5fc3\u914d\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u304c1.0\u307e\u305f\u306f1.1\u3060\u3048\u308b\u5834\u5408\u306f\u3001\u5bfe\u7b56\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>Chrome\u306eTLS 1.2\u4ee5\u964d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u6709\u52b9\u306b\u3059\u308b\u306b\u306f<\/h2>\n<p>ERR_SSL_OBSOLETE_VERSION\u901a\u77e5\u3092\u9632\u3050\u306b\u306f\u3001\u30a6\u30a7\u30d6\u30de\u30b9\u30bf\u30fc\u304c\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3067TLS 1.2\u4ee5\u964d\u3092\u6709\u52b9\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30d0\u30fc\u30b8\u30e7\u30f31.0\u304a\u3088\u30731.1\u306e\u30b5\u30dd\u30fc\u30c8\u3092\u7121\u52b9\u306b\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4ee3\u308f\u308a\u306b\u3001Chrome\u306eTLS 1.2\u307e\u305f\u306f1.3\u3092\u4f7f\u7528\u3057\u305f\u63a5\u7d9a\u3092\u6709\u52b9\u306b\u3057\u3001\u65b0\u3057\u3044\u30d6\u30e9\u30a6\u30b6\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u5b89\u5168\u306b\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<p>\u3084\u308a\u65b9\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u4f1a\u793e\u3068\u8a2d\u5b9a\u306b\u5fdc\u3058\u3066\u5927\u304d\u304f\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u306f\u3001<a href=\"https:\/\/staging.kinsta.site\/jp\/\">\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc<\/a>\u304c\uff08\u5c11\u306a\u304f\u3068\u3082\uff09TLS 1.2\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001<a href=\"https:\/\/www.ssllabs.com\/ssltest\/\" target=\"_blank\" rel=\"noopener noreferrer\">Qualys\u306eSSL\u30b5\u30fc\u30d0\u30fc\u30c6\u30b9\u30c8<\/a>\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30db\u30b9\u30c8\u540d\u3092\u5165\u529b\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1088px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2020\/02\/ssl-labs-test-1.png\" alt=\"SSL\u30b5\u30fc\u30d0\u30fc\u30c6\u30b9\u30c8\u30c4\u30fc\u30eb\" width=\"1088\" height=\"528\"><figcaption class=\"wp-caption-text\">Qualys SSL\u30b5\u30fc\u30d0\u30fc\u30c6\u30b9\u30c8\u30c4\u30fc\u30eb<\/figcaption><\/figure>\n<p>\u7d50\u679c\u3067\u306f\u3001\u300c<strong>Configuration<\/strong>\u300d\uff08\u69cb\u6210\uff09 &gt; \u300c<strong>Protocols<\/strong>\u300d\uff08\u30d7\u30ed\u30c8\u30b3\u30eb\uff09\u306e\u4e0b\u306b\u300cTLS 1.2\u300d\u304a\u3088\u3073\u300cTLS 1.3\u300d\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1028px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2020\/02\/ssl-labs-test-results-1.png\" alt=\"ssl labs\u30c6\u30b9\u30c8\u7d50\u679c\" width=\"1028\" height=\"342\"><figcaption class=\"wp-caption-text\">\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308bTLS\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u6982\u8981\u304c\u8868\u793a\u3055\u308c\u308b\u300cProtocols\u300d\u753b\u9762<\/figcaption><\/figure>\n<p>\u4e00\u65b9\u307e\u305f\u306f\u4e21\u65b9\u304c\u300cYes\u300d\u3068\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30b5\u30a4\u30c8\u304cTLS 1.2\u4ee5\u964d\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u306b\u69cb\u6210\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u305d\u306e\u6642\u70b9\u3067\u3001\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u4f1a\u793e\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u53c2\u7167\u3059\u308b\u304b\u3001\u30b5\u30a4\u30c8\u3067\u672c\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u6709\u52b9\u306b\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u4f1a\u793e\u307e\u3067\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u4e00\u65b9\u3001\u300cTLS 1.2\u300d\u306e\u6a2a\u306b\u300cNo\u300d\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001TLS 1.2\u3092\u6709\u52b9\u306b\u3057\u3066ERR_SSL_OBSOLETE_VERSION\u901a\u77e5\u3092\u9632\u3050\u3053\u3068\u306f\u304a\u305d\u3089\u304f\u4e0d\u53ef\u80fd\u3067\u3059\u3002\u305d\u306e\u5834\u5408\u3067\u306f\u3001\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u4f1a\u793e\u307e\u3067\u304a\u554f\u3044\u5408\u308f\u305b\u3057\u3066\u3001\u65b0\u3057\u3044TLS\u30d7\u30ed\u30c8\u30b3\u30eb\u7528\u306b\u69cb\u6210\u3055\u308c\u305f\u30b5\u30fc\u30d0\u30fc\u3067\u306e\u5225\u306e\u30d7\u30e9\u30f3\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u307e\u305f\u306f\u3001\u672c\u7570\u5e38\u3092\u7c21\u5358\u306b\u89e3\u6c7a\u3067\u304d\u308b\u65b0\u3057\u3044\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u4f1a\u793e\u3092\u63a2\u3059\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Kinsta\u3092\u3054\u5229\u7528\u306e\u5834\u5408\u306f\u3001\u30b5\u30a4\u30c8\u3067ERR_SSL_OBSOLETE_VERSION\u8b66\u544a\u901a\u77e5\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u3092\u5fc3\u914d\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002Kinsta\u3067\u306f\u3001\u3059\u3079\u3066\u306e\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30e9\u30f3\u3067\u30c7\u30d5\u30a9\u30eb\u30c8\u3067<a href=\"https:\/\/staging.kinsta.site\/jp\/knowledgebase\/tls-vs-ssl\/#why-does-kinsta-enable-multiple-tls-protocols\">TLS 1.2\u30681.3\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u307e\u3059<\/a>\u3002\u3064\u307e\u308a\u3001\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3084\u8a2d\u5b9a\u3092\u5b9f\u65bd\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n<h2>\u307e\u3068\u3081<\/h2>\n<p>Google\u306fTLS 1.0\u3068TLS 1.1\u3092\u975e\u63a8\u5968\u306b\u3057\u307e\u3059\u3002Chrome\u306fWeb\u4e0a\u306e\u6700\u3082\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30d6\u30e9\u30a6\u30b6\u3067\u3042\u308b\u305f\u3081\u3001\u3053\u308c\u306f\u5927\u304d\u306a\u554f\u984c\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u304c\u65b0\u3057\u3044TLS\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u7528\u3057\u3066\u60c5\u5831\u3092\u9001\u4fe1\u3067\u304d\u306a\u3044\u5834\u5408\u3001\u8a2a\u554f\u8005\u306bChrome\u306e\u8b66\u544a\u901a\u77e5\u300cERR_SSL_OBSOLETE_VERSION\u300d\u304c\u8868\u793a\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u901a\u77e5\u3092\u4e88\u9632\u3057\u3001\u8a2a\u554f\u8005\u3092\u5b89\u5168\u306b\u4fdd\u3064\u6700\u826f\u306e\u5bfe\u7b56\u306f\u3001TLS\u306e1.2\u4ee5\u964d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002<a href=\"https:\/\/developers.google.com\/web\/tools\/chrome-devtools\" target=\"_blank\" rel=\"noopener noreferrer\">Chrome\u306eDevTools<\/a>\u3068<a href=\"https:\/\/www.ssllabs.com\/ssltest\/\" target=\"_blank\" rel=\"noopener noreferrer\">Qualys\u306eSSL\u30b5\u30fc\u30d0\u30fc\u30c6\u30b9\u30c8<\/a>\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b5\u30a4\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u304c\u3053\u308c\u3089\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u6709\u52b9\u306b\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3054\u5229\u7528\u306e\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u4f1a\u793e\u304cTLS 1.3\u306e\u30b5\u30dd\u30fc\u30c8\u3092\u63d0\u4f9b\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001Kinsta\u306f<a href=\"https:\/\/staging.kinsta.site\/jp\/plans\/\">\u30d7\u30e9\u30f3\u3092\u554f\u308f\u305a<\/a>TLS 1.3\u3092\u63d0\u4f9b\u3057\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"author":103,"featured_media":26597,"parent":0,"menu_order":0,"template":"","tags":[133,127],"knowledge_categories":[25],"topic":[],"class_list":["post-26591","knowledgebase","type-knowledgebase","status-publish","has-post-thumbnail","hentry","tag-googlechrome","tag-tls","knowledge_categories-ssl"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v17.1.2 (Yoast SEO v25.8) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Chrome\u300cERR_SSL_OBSOLETE_VERSION\u300d\u8b66\u544a\u901a\u77e5\u306e\u89e3\u6c7a\u65b9\u6cd5<\/title>\n<meta name=\"description\" content=\"ERR_SSL_OBSOLETE_VERSION\u8b66\u544a\u901a\u77e5\u3067\u8a2a\u554f\u8005\u3092\u6016\u304c\u3089\u305b\u305f\u304f\u306a\u3044\u5834\u5408\u306f\u3001\u30b5\u30a4\u30c8\u3067TLS 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