{"id":74880,"date":"2025-10-11T14:21:21","date_gmt":"2025-10-11T06:21:21","guid":{"rendered":"https:\/\/lightningxvpn.com\/blog\/?p=74880"},"modified":"2025-10-11T16:27:00","modified_gmt":"2025-10-11T08:27:00","slug":"err-cert-common-name-invalid-ja","status":"publish","type":"post","link":"https:\/\/lightningxvpn.com\/blog\/ja\/err-cert-common-name-invalid-ja\/","title":{"rendered":"ERR_CERT_COMMON_NAME_INVALID \u30a8\u30e9\u30fc\uff1a\u4fee\u5fa9\u30ac\u30a4\u30c9"},"content":{"rendered":"\n<p>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u969b\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u7a81\u7136\u300cERR_CERT_COMMON_NAME_INVALID\u300d\u3068\u3044\u3046\u8b66\u544a\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u7169\u308f\u3057\u3044\u3067\u3059\u3088\u306d\uff1f\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u3053\u306e\u30a8\u30e9\u30fc\u306e\u610f\u5473\u3001\u767a\u751f\u539f\u56e0\u3001\u305d\u3057\u3066\u6700\u3082\u91cd\u8981\u306a\u300c\u7d20\u65e9\u3044\u89e3\u6c7a\u65b9\u6cd5\u300d\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u306e\u30af\u30a4\u30c3\u30af\u30ac\u30a4\u30c9\u304c\u3001\u30b5\u30a4\u30c8\u306e\u5b89\u5168\u6027\u3092\u4fdd\u3061\u3001\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u3067\u4fe1\u983c\u3067\u304d\u308b\u30a4\u30e1\u30fc\u30b8\u3092\u7dad\u6301\u3059\u308b\u4e00\u52a9\u3068\u306a\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ERR_CERT_COMMON_NAME_INVALID\u3068\u306f\uff1f<\/h2>\n\n\n\n<p>NET::ERR_CERT_COMMON_NAME_INVALID\u30a8\u30e9\u30fc\u306f\u901a\u5e38\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eSSL\uff08Secure Sockets Layer\uff09\u8a3c\u660e\u66f8\u306b\u8a18\u8f09\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u540d\u304c\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u5b9f\u969b\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308bURL\u3068\u4e00\u81f4\u3057\u306a\u3044\u5834\u5408\u306b\u767a\u751f\u3057\u307e\u3059\u3002\u3053\u306e\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u308b\u6642\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u57fa\u672c\u7684\u306b\u300c\u3053\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8eab\u5143\u3092\u78ba\u8a8d\u3067\u304d\u307e\u305b\u3093\u300d\u3068\u4f1d\u3048\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\u3001SSL\u8a3c\u660e\u66f8\u304cwww.example.com\u306b\u5bfe\u3057\u3066\u767a\u884c\u3055\u308c\u3066\u3044\u308b\u306e\u306b\u3001\u30e6\u30fc\u30b6\u30fc\u304cexample.com\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u5834\u5408\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u3053\u306e\u4e0d\u4e00\u81f4\u3092\u691c\u77e5\u3057\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u30e6\u30fc\u30b6\u30fc\u3092\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8105\u5a01\u304b\u3089\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u3053\u306e\u8b66\u544a\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u30a8\u30e9\u30fc\u306fGoogle Chrome\u3067\u3088\u304f\u898b\u3089\u308c\u307e\u3059\u304c\u3001Edge\u3084Firefox\u306a\u3069\u306e\u4ed6\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u3082\u3001\u540d\u79f0\u304c\u82e5\u5e72\u7570\u306a\u308b\u5f62\u3067\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"556\" height=\"362\" src=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/10\/err-cert-common-name-invalid-1.png\" alt=\"ERR_CERT_COMMON_NAME_INVALID \u30a8\u30e9\u30fc\" class=\"wp-image-74825\" style=\"border-width:1px;width:452px;height:auto\" srcset=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/10\/err-cert-common-name-invalid-1.png 556w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/10\/err-cert-common-name-invalid-1-300x195.png 300w\" sizes=\"(max-width: 556px) 100vw, 556px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">ERR_CERT_COMMON_NAME_INVALID \u306e\u4fee\u6b63\u65b9\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. SSL\u8a3c\u660e\u66f8\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n\n\n\n<p>SSL\u8a3c\u660e\u66f8\u304c\u30a2\u30af\u30bb\u30b9\u5148\u306e\u30c9\u30e1\u30a4\u30f3\u3068\u5b8c\u5168\u306b\u4e00\u81f4\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u78ba\u8a8d\u624b\u9806\uff1a<\/p>\n\n\n\n<ul>\n<li>\u30d6\u30e9\u30a6\u30b6\u3067\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u958b\u304f\u3002<\/li>\n\n\n\n<li>URL\u6a2a\u306e\u9375\u30a2\u30a4\u30b3\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3002<\/li>\n\n\n\n<li>\u300c\u8a3c\u660e\u66f8\u300d\u307e\u305f\u306f\u300c\u63a5\u7d9a\u306f\u5b89\u5168\u3067\u3059\u300d\u3092\u9078\u629e\u3002<\/li>\n\n\n\n<li>\u300c\u767a\u884c\u5148\u300d\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"437\" height=\"409\" src=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/10\/err-cert-common-name-invalid-2.png\" alt=\"\u30c9\u30e1\u30a4\u30f3\u540d\u4e00\u81f4\u3092\u793a\u3059SSL\u8a3c\u660e\u66f8\u8a73\u7d30\" class=\"wp-image-74826\" style=\"border-width:1px;width:399px;height:auto\" srcset=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/10\/err-cert-common-name-invalid-2.png 437w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/10\/err-cert-common-name-invalid-2-300x281.png 300w\" sizes=\"(max-width: 437px) 100vw, 437px\" \/><\/figure>\n\n\n\n<p>\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u540d\u524d\u304c\u30b5\u30a4\u30c8\u306e\u30c9\u30e1\u30a4\u30f3\u3068\u4e00\u81f4\u3057\u306a\u3044\u5834\u5408\u3001SSL\u8a3c\u660e\u66f8\u3092\u518d\u767a\u884c\u307e\u305f\u306f\u4ea4\u63db\u3057\u3001\u5b8c\u5168\u306b\u4e00\u81f4\u3059\u308b\u3082\u306e\uff08\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u300cwww\u300d\u3084\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u3092\u542b\u3080\uff09\u306b\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u671f\u9650\u5207\u308cSSL\u8a3c\u660e\u66f8\u306e\u66f4\u65b0\u307e\u305f\u306f\u518d\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h3>\n\n\n\n<p>\u671f\u9650\u5207\u308c\u8a3c\u660e\u66f8\u306f\u3053\u306e\u30a8\u30e9\u30fc\u3092\u5373\u5ea7\u306b\u767a\u751f\u3055\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6709\u52b9\u671f\u9650\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\uff1a<\/p>\n\n\n\n<ul>\n<li>\u9375\u30a2\u30a4\u30b3\u30f3\u3092\u30af\u30ea\u30c3\u30af &gt; <strong>\u8a3c\u660e\u66f8\u306e\u8a73\u7d30<\/strong>\u3092\u958b\u304f\u3002<\/li>\n\n\n\n<li>\u300c\u6709\u52b9\u958b\u59cb\u65e5\u300d\u3068\u300c\u6709\u52b9\u671f\u9650\u300d\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8a3c\u660e\u66f8\u304c\u671f\u9650\u5207\u308c\u306e\u5834\u5408\uff1a<\/p>\n\n\n\n<ul>\n<li>\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u307e\u305f\u306fSSL\u7ba1\u7406\u30d1\u30cd\u30eb\u306b\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u8a3c\u660e\u66f8\u3092\u66f4\u65b0\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\uff08\u4f8b\uff1acPanel\u3084<a href=\"https:\/\/www.cloudflare.com\/ja-jp\/\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">Cloudflare<\/a>\uff09\u3092\u4f7f\u7528\u3057\u3066\u518d\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"585\" height=\"372\" src=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/10\/err-cert-common-name-invalid-3.png\" alt=\"\u6709\u52b9\u671f\u9650\u5207\u308cSSL\u8a3c\u660e\u66f8\u3092\u793a\u3059\u30d6\u30e9\u30a6\u30b6\u8b66\u544a\" class=\"wp-image-74827\" style=\"border-width:1px;width:432px;height:auto\" srcset=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/10\/err-cert-common-name-invalid-3.png 585w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/10\/err-cert-common-name-invalid-3-300x191.png 300w\" sizes=\"(max-width: 585px) 100vw, 585px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u30d6\u30e9\u30a6\u30b6\u62e1\u5f35\u6a5f\u80fd\u306e\u554f\u984c\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n\n\n\n<p>\u30d6\u30e9\u30a6\u30b6\u62e1\u5f35\u6a5f\u80fd\u3092\u904e\u5270\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3068\u7af6\u5408\u304c\u767a\u751f\u3057\u3001\u5171\u901a\u540d\u4e0d\u4e00\u81f4\u30a8\u30e9\u30fc\u306e\u6839\u672c\u539f\u56e0\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b7\u30fc\u30af\u30ec\u30c3\u30c8\u30a6\u30a3\u30f3\u30c9\u30a6\u3067\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u6b63\u5e38\u306b\u52d5\u4f5c\u3059\u308b\u5834\u5408\u3001ERR_CERT_COMMON_NAME_INVALID\u30a8\u30e9\u30fc\u306f<a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/what-are-browser-extensions-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">\u30d6\u30e9\u30a6\u30b6\u62e1\u5f35\u6a5f\u80fd<\/a>\u304c\u539f\u56e0\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3067\u3059\u3002\u89e3\u6c7a\u7b56\u306f\u3001\u62e1\u5f35\u6a5f\u80fd\u3092\u4e00\u3064\u305a\u3064\u7121\u52b9\u5316\u3057\u306a\u304c\u3089\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3057\u3001\u7af6\u5408\u306e\u539f\u56e0\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u7af6\u5408\u3059\u308b\u62e1\u5f35\u6a5f\u80fd\u3092\u898b\u3064\u3051\u305f\u3089\u3001\u305d\u308c\u3092\u524a\u9664\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u624b\u9806\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n<ul>\n<li>Chrome\u306e\u53f3\u4e0a\u9685\u306b\u3042\u308b\u4e09\u70b9\u30e1\u30cb\u30e5\u30fc\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u300c\u62e1\u5f35\u6a5f\u80fd\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u8868\u793a\u3055\u308c\u308b\u65b0\u3057\u3044\u30bf\u30d6\u3067\u3001\u300c\u62e1\u5f35\u6a5f\u80fd\u3092\u7ba1\u7406\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u65b0\u3057\u3044\u30da\u30fc\u30b8\u3067\u3001\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u3044\u62e1\u5f35\u6a5f\u80fd\u3092\u9078\u629e\u3057\u3001\u300c\u524a\u9664\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"523\" height=\"512\" src=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/10\/err-cert-common-name-invalid-4.png\" alt=\"Chrome\u3067\u62e1\u5f35\u6a5f\u80fd\u3092\u7ba1\u7406\" class=\"wp-image-74828\" style=\"border-width:1px;width:418px;height:auto\" srcset=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/10\/err-cert-common-name-invalid-4.png 523w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/10\/err-cert-common-name-invalid-4-300x294.png 300w\" sizes=\"(max-width: 523px) 100vw, 523px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u30d6\u30e9\u30a6\u30b6\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3068SSL\u72b6\u614b\u3092\u30af\u30ea\u30a2\u3059\u308b<\/h3>\n\n\n\n<p><strong>\u30d6\u30e9\u30a6\u30b6\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u624b\u9806\uff08Google Chrome\u306e\u4f8b\uff09\uff1a<\/strong><\/p>\n\n\n\n<ul>\n<li><strong>\u8a2d\u5b9a<\/strong> &gt; <strong>\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc<\/strong> &gt; <strong>\u95b2\u89a7\u5c65\u6b74\u306e\u6d88\u53bb<\/strong> \u306b\u79fb\u52d5\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u305f\u753b\u50cf\u3068\u30d5\u30a1\u30a4\u30eb<\/strong> \u3068 <strong>Cookie<\/strong> \u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30c7\u30fc\u30bf\u3092\u6d88\u53bb<\/strong> \u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>Chrome\u3092\u9589\u3058\u3066\u518d\u8d77\u52d5\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u6b21\u56de\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u969b\u306b\u30d6\u30e9\u30a6\u30b6\u304c\u6700\u65b0\u306eSSL\u60c5\u5831\u3092\u53d6\u5f97\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u95a2\u9023\u8a18\u4e8b: <a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/how-to-clear-cache-and-cookies-on-chrome-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">Chrome\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u30af\u30c3\u30ad\u30fc\u3092\u30af\u30ea\u30a2\u3059\u308b\u65b9\u6cd5<\/a><\/p>\n\n\n\n<p><strong>Windows\u3067SSL\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u6d88\u53bb\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u7c21\u5358\u306a\u624b\u9806\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\uff1a<\/strong><\/p>\n\n\n\n<ul>\n<li><strong>\u30b9\u30bf\u30fc\u30c8\u30e1\u30cb\u30e5\u30fc<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001<strong>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb<\/strong>\u3092\u958b\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8<\/strong> &gt; <strong>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30aa\u30d7\u30b7\u30e7\u30f3<\/strong>\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30b3\u30f3\u30c6\u30f3\u30c4<\/strong>\u30bf\u30d6\u3067\u3001<strong>\u8a3c\u660e\u66f8<\/strong>\u30bb\u30af\u30b7\u30e7\u30f3\u5185\u306e<strong>SSL\u72b6\u614b\u306e\u30af\u30ea\u30a2<\/strong>\u3092\u898b\u3064\u3051\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>SSL\u72b6\u614b\u306e\u30af\u30ea\u30a2<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u78ba\u8a8d\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u305f\u3089<strong>OK<\/strong>\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5909\u66f4\u3092\u9069\u7528\u3059\u308b\u305f\u3081\u306b\u30d6\u30e9\u30a6\u30b6\u3092\u518d\u8d77\u52d5\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>SSL\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u6b63\u5e38\u306b\u30af\u30ea\u30a2\u3055\u308c\u305f\u3053\u3068\u3092\u793a\u3059\u78ba\u8a8d\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"401\" height=\"313\" src=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/10\/err-cert-common-name-invalid-5.png\" alt=\"\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3067SSL\u72b6\u614b\u3092\u30af\u30ea\u30a2\" class=\"wp-image-74829\" style=\"border-width:1px;width:393px;height:auto\" srcset=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/10\/err-cert-common-name-invalid-5.png 401w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/10\/err-cert-common-name-invalid-5-300x234.png 300w\" sizes=\"(max-width: 401px) 100vw, 401px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">5. VPN\u307e\u305f\u306f\u30d7\u30ed\u30ad\u30b7\u306e\u7121\u52b9\u5316\u307e\u305f\u306f\u518d\u8a2d\u5b9a<\/h3>\n\n\n\n<p>VPN\u306f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u7570\u306a\u308bIP\u30a2\u30c9\u30ec\u30b9\u3084\u5730\u57df\u7d4c\u7531\u3067\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u3001\u3053\u308c\u304cERR_CERT_COMMON_NAME_INVALID\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3068\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002VPN\u307e\u305f\u306f\u30d7\u30ed\u30ad\u30b7\u3092\u4e00\u6642\u7684\u306b\u7121\u52b9\u5316\u3057\u3001\u30a8\u30e9\u30fc\u304c\u89e3\u6d88\u3055\u308c\u308b\u304b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002VPN\u3092\u65e5\u5e38\u7684\u306b\u5229\u7528\u3059\u308b\u5834\u5408\u306f\u3001SSL\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u9069\u5207\u306b\u51e6\u7406\u3059\u308bVPN\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<div class=\"wp-block-group has-background has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"border-radius:15px;background-color:#ffefd8;padding-top:var(--wp--preset--spacing--10);padding-right:var(--wp--preset--spacing--10);padding-bottom:var(--wp--preset--spacing--10);padding-left:var(--wp--preset--spacing--10)\">\n<p><strong>\u30d2\u30f3\u30c8\uff1a<\/strong> <a href=\"https:\/\/lightningxvpn.com\/ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\"><strong>LightningX VPN<\/strong><\/a>\u306f\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044SSL\u5bfe\u5fdc\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3068DNS\u4fdd\u8b77\u3067\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u5f37\u529b\u3067\u5b89\u5b9a\u3057\u305f\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u30aa\u30f3\u30e9\u30a4\u30f3\u30bb\u30c3\u30b7\u30e7\u30f3\u4e2d\u306b\u63a5\u7d9a\u3059\u308b\u3068\u3001IP\u30a2\u30c9\u30ec\u30b9\u304c\u516c\u5f0f\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u306b\u7f6e\u304d\u63db\u3048\u3089\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c7\u30fc\u30bf\u304c\u6f0f\u6d29\u3084\u76d7\u96e3\u304b\u3089\u78ba\u5b9f\u306b\u4fdd\u8b77\u3055\u308c\u307e\u3059\u3002\u53b3\u683c\u306a\u30bc\u30ed\u30ed\u30b0\u30dd\u30ea\u30b7\u30fc\u306b\u3088\u308a\u3001\u3059\u3079\u3066\u306e\u30aa\u30f3\u30e9\u30a4\u30f3\u75d5\u8de1\u306f\u8ffd\u8de1\u4e0d\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u4e0d\u5b89\u5b9a\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u304b\u3089\u306e\u653b\u6483\u306b\u3055\u3089\u3055\u308c\u308b\u5fc3\u914d\u3082\u3042\u308a\u307e\u305b\u3093\u3002\u4eca\u3059\u3050\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u3001\u5b89\u5168\u306a\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u4fdd\u8b77\u3092\u6709\u52b9\u306b\u3057\u307e\u3057\u3087\u3046\u300230\u65e5\u9593\u8fd4\u91d1\u4fdd\u8a3c\u4ed8\u304d\u3067\u4eca\u3059\u3050\u3054\u5229\u7528\u304f\u3060\u3055\u3044\uff01<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-1 wp-block-buttons-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--10);margin-bottom:var(--wp--preset--spacing--10)\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-75 has-custom-font-size is-style-outline\" style=\"font-size:clamp(0.875rem, 0.875rem + ((1vw - 0.2rem) * 0.542), 1.2rem);\"><a class=\"wp-block-button__link has-base-2-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/lightningxvpn.com\/ja\/download\" style=\"border-style:none;border-width:0px;border-radius:100px;background-color:#ffb700;padding-top:var(--wp--preset--spacing--10);padding-right:0;padding-bottom:var(--wp--preset--spacing--10);padding-left:0\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>LightningX VPN \u7121\u6599\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">6. \u30d6\u30e9\u30a6\u30b6\u3068OS\u3092\u6700\u65b0\u306b\u66f4\u65b0\u3059\u308b<\/h3>\n\n\n\n<p>\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u306f\u6700\u65b0\u306e\u8a8d\u8a3c\u5c40\u3092\u8a8d\u8b58\u3057\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u3068OS\u306e\u4e21\u65b9\u3092\u6700\u65b0\u7248\u306b\u66f4\u65b0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p><strong>Google Chrome\u306e\u66f4\u65b0\u65b9\u6cd5\uff1a<\/strong><\/p>\n\n\n\n<p>1. <strong>\u8a2d\u5b9a<\/strong>\u3092\u958b\u304f\uff1a\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u304b\u3089<strong>\u30d8\u30eb\u30d7<\/strong>\uff1e<strong>Google Chrome\u306b\u3064\u3044\u3066<\/strong>\u3092\u9078\u629e\u3002<\/p>\n\n\n\n<p>2. \u66f4\u65b0\u306e\u78ba\u8a8d<strong>:<\/strong> Chrome\u304c\u81ea\u52d5\u7684\u306b\u6700\u65b0\u7248\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002\u66f4\u65b0\u304c\u5229\u7528\u53ef\u80fd\u306a\u5834\u5408\u3001\u3059\u3050\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u304c\u958b\u59cb\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>3. Chrome\u306e<strong>\u518d\u8d77\u52d5:<\/strong> \u66f4\u65b0\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u305f\u3089\u3001<strong>\u518d\u8d77\u52d5<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u9069\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>4. <strong>\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u78ba\u8a8d:<\/strong> Chrome\u304c\u518d\u8d77\u52d5\u3057\u305f\u3089\u3001\u518d\u5ea6<strong>\u30d8\u30eb\u30d7<\/strong> &gt;<strong> Google Chrome\u306b\u3064\u3044\u3066<\/strong>\u306b\u79fb\u52d5\u3057\u3001\u300cChrome\u306f\u6700\u65b0\u306e\u72b6\u614b\u3067\u3059\u300d\u3068\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"668\" height=\"216\" src=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/10\/err-cert-common-name-invalid-6.png\" alt=\"Google Chrome\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3059\u308b\" class=\"wp-image-74830\" style=\"border-width:1px;width:479px;height:auto\" srcset=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/10\/err-cert-common-name-invalid-6.png 668w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/10\/err-cert-common-name-invalid-6-300x97.png 300w\" sizes=\"(max-width: 668px) 100vw, 668px\" \/><\/figure>\n\n\n\n<p><strong>\u3054\u6ce8\u610f<\/strong>: Chrome\u306f\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u81ea\u52d5\u66f4\u65b0\u3055\u308c\u307e\u3059\u304c\u3001\u5b9a\u671f\u7684\u306b\u30d6\u30e9\u30a6\u30b6\u3092\u518d\u8d77\u52d5\u3059\u308b\u3053\u3068\u3067\u78ba\u5b9f\u306b\u66f4\u65b0\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8a73\u7d30\u306f\u3053\u3061\u3089: <a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/how-to-update-chrome-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">Chrome \u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u30ac\u30a4\u30c9 | Chrome \u66f4\u65b0\u3067\u304d\u307e\u305b\u3093\u306e\u89e3\u6c7a\u65b9\u6cd5<\/a><\/p>\n\n\n\n<p><strong>Windows Update (Windows 10 &amp; 11):<\/strong><\/p>\n\n\n\n<p>1. <strong>\u8a2d\u5b9a\u3092\u958b\u304f:<\/strong> <strong>Windows\u30ad\u30fc + I<\/strong> \u3092\u62bc\u3059\u304b\u3001<strong>\u30b9\u30bf\u30fc\u30c8 &gt; \u8a2d\u5b9a<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>2. \u66f4\u65b0\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u79fb\u52d5<strong>:<\/strong> <strong>Windows Update<\/strong> \u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>3. \u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u78ba\u8a8d<strong>:<\/strong> <strong>\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u78ba\u8a8d<\/strong> \u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u5229\u7528\u53ef\u80fd\u306a\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u691c\u7d22\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>4. \u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<strong>:<\/strong> \u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u898b\u3064\u304b\u3063\u305f\u5834\u5408\u3001<strong>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/strong> \u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>5. PC \u306e<strong>\u518d\u8d77\u52d5:<\/strong> \u30d7\u30ed\u30f3\u30d7\u30c8\u304c\u8868\u793a\u3055\u308c\u305f\u3089\u3001<strong>\u4eca\u3059\u3050\u518d\u8d77\u52d5<\/strong> \u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u30d7\u30ed\u30bb\u30b9\u3092\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>6. \u78ba\u8a8d<strong>:<\/strong> \u518d\u8d77\u52d5\u5f8c\u3001\u518d\u5ea6\u300c\u6700\u65b0\u306e\u72b6\u614b\u3067\u3059\u300d\u3068\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"639\" height=\"483\" src=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/10\/err-cert-common-name-invalid-7.png\" alt=\"Windows Update \u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3059\u308b\" class=\"wp-image-74831\" style=\"border-width:1px;width:570px;height:auto\" srcset=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/10\/err-cert-common-name-invalid-7.png 639w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/10\/err-cert-common-name-invalid-7-300x227.png 300w\" sizes=\"(max-width: 639px) 100vw, 639px\" \/><\/figure>\n\n\n\n<p><strong>\u30d2\u30f3\u30c8:<\/strong> <strong>\u8a73\u7d30\u30aa\u30d7\u30b7\u30e7\u30f3<\/strong>\u3067<strong>\u81ea\u52d5\u66f4\u65b0<\/strong>\u3092\u6709\u52b9\u306b\u3059\u308b\u3068\u3001\u624b\u52d5\u3067\u306e\u78ba\u8a8d\u306a\u3057\u306b\u30b7\u30b9\u30c6\u30e0\u306e\u5b89\u5168\u6027\u3092\u7dad\u6301\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u64cd\u4f5c\u306b\u3088\u308a\u3001\u6700\u65b0\u306eSSL\u6697\u53f7\u5316\u898f\u683c\u3068\u306e\u4e92\u63db\u6027\u304c\u78ba\u4fdd\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7. \u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u307e\u305f\u306f\u6b63\u898fURL\u30a8\u30e9\u30fc\u306e\u4fee\u6b63<\/h3>\n\n\n\n<p>\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306f\u5e38\u306b\u3001SSL\u8a3c\u660e\u66f8\u304c\u30ab\u30d0\u30fc\u3059\u308b<strong>\u540c\u3058\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u30c9\u30e1\u30a4\u30f3<\/strong>\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u6307\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u4f8b:<\/strong><\/p>\n\n\n\n<p>SSL\u304chttps:\/\/www.example.com\u5411\u3051\u306b\u767a\u884c\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u304c\u6b63\u3057\u304f\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044:<\/p>\n\n\n\n<ul>\n<li>http:\/\/example.com<\/li>\n\n\n\n<li>https:\/\/example.com<\/li>\n<\/ul>\n\n\n\n<p>\u3059\u3079\u3066\u304c <strong>https:\/\/www.example.com<\/strong> \u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<strong>.htaccess<\/strong> \u307e\u305f\u306f Nginx \u8a2d\u5b9a\u3067\u9069\u5207\u306a 301 \u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">8. SSL\u8a2d\u5b9a\u306e\u30c6\u30b9\u30c8<\/h3>\n\n\n\n<p>\u8a2d\u5b9a\u3092\u4fee\u6b63\u3057\u305f\u5f8c\u3001SSL\u304c\u6709\u52b9\u304b\u3064\u4fe1\u983c\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u30c6\u30b9\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p><strong>\u7121\u6599\u30c4\u30fc\u30eb<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/www.ssllabs.com\/ssltest\/\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">SSL Labs Test<\/a>: \u30c9\u30e1\u30a4\u30f3\u3092\u5165\u529b\u3057\u3001\u30b9\u30ad\u30e3\u30f3\u3092\u5b9f\u884c\u3057\u3066\u7dcf\u5408\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a55\u4fa1\u3092\u78ba\u8a8d\u3002<\/li>\n\n\n\n<li><a href=\"https:\/\/www.ssl.org\/\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">SSL.org<\/a>: \u8a3c\u660e\u66f8\u306e\u9069\u5207\u306a\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u30d6\u30e9\u30a6\u30b6\u306b\u3088\u308b\u4fe1\u983c\u6027\u3092\u78ba\u8a8d\u3002<\/li>\n\n\n\n<li><a href=\"https:\/\/www.sslshopper.com\/ssl-checker.html\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">SSL Shopper:<\/a> \u8a3c\u660e\u66f8\u306e\u6709\u52b9\u6027\u3001\u767a\u884c\u8005\u3001\u6709\u52b9\u671f\u9650\u3092\u8868\u793a\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30d2\u30f3\u30c8: <\/strong>\u30c6\u30b9\u30c8\u3067\u300c\u540d\u524d\u4e0d\u4e00\u81f4\u300d\u307e\u305f\u306f\u300c\u30c1\u30a7\u30fc\u30f3\u4e0d\u5b8c\u5168\u300d\u3068\u8868\u793a\u3055\u308c\u305f\u5834\u5408\u306f\u3001\u8a3c\u660e\u66f8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u307e\u305f\u306f\u30c9\u30e1\u30a4\u30f3\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3092\u518d\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ERR_CERT_COMMON_NAME_INVALID\u306e\u4e3b\u306a\u539f\u56e0<\/h2>\n\n\n\n<p>\u3053\u306e\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u4e3b\u306a\u539f\u56e0\u3092\u3044\u304f\u3064\u304b\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p><strong>1. \u30c9\u30e1\u30a4\u30f3\u306e\u4e0d\u4e00\u81f4<\/strong><\/p>\n\n\n\n<p>\u6700\u3082\u4e00\u822c\u7684\u306a\u539f\u56e0\u3067\u3059\u3002SSL\u8a3c\u660e\u66f8\u306b\u8a18\u8f09\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u540d\u304c\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u30c9\u30e1\u30a4\u30f3\u3068\u4e00\u81f4\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u4f8b\u3048\u3070\u3001\u8a3c\u660e\u66f8\u304c<strong>mywebsite.com<\/strong>\u3092\u30ab\u30d0\u30fc\u3057\u3066\u3044\u308b\u306e\u306b\u3001\u30e6\u30fc\u30b6\u30fc\u304c<strong>www.mywebsite.com<\/strong>\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u3044\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>2. SSL\u8a3c\u660e\u66f8\u306e\u8a2d\u5b9a\u30df\u30b9<\/strong><\/p>\n\n\n\n<p>\u8a3c\u660e\u66f8\u81ea\u4f53\u304c\u6b63\u3057\u304f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u307e\u305f\u306f\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u8a2d\u5b9a\u6642\u306e\u308f\u305a\u304b\u306a\u30df\u30b9\u3067\u3082\u3053\u306e\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>3. \u5171\u6709IP\u307e\u305f\u306f\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u74b0\u5883\u306e\u4f7f\u7528<\/strong><\/p>\n\n\n\n<p>\u5171\u6709\u30b5\u30fc\u30d0\u30fc\u3067\u30b5\u30a4\u30c8\u3092\u30db\u30b9\u30c8\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u7279\u306b<a href=\"https:\/\/ja.wikipedia.org\/wiki\/Server_Name_Indication\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">\u30b5\u30fc\u30d0\u540d\u8868\u793a<\/a>\uff08SNI\uff09\u304c\u6b63\u3057\u304f\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u4ed6\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eSSL\u8a2d\u5b9a\u304c\u3042\u306a\u305f\u306e\u8a2d\u5b9a\u3068\u7af6\u5408\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>4. \u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u307e\u305f\u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u554f\u984c<\/strong><\/p>\n\n\n\n<p>\u554f\u984c\u304c\u30b5\u30a4\u30c8\u81ea\u4f53\u3067\u306f\u306a\u304f\u30e6\u30fc\u30b6\u30fc\u306e\u30d6\u30e9\u30a6\u30b6\u306b\u3042\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3084\u53e4\u3044\u8a2d\u5b9a\u304cSSL\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>5. \u4e0d\u9069\u5207\u306a\u30ea\u30c0\u30a4\u30ec\u30af\u30c8<\/strong><\/p>\n\n\n\n<p>\u4e0d\u9069\u5207\u306a\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u30c1\u30a7\u30fc\u30f3\uff08\u4f8b\uff1aHTTP\u304b\u3089HTTPS\u3001\u307e\u305f\u306f\u975ewww\u304b\u3089www\u3078\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\uff09\u3082\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u8aa4\u3063\u305fSSL\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ERR_CERT_COMMON_NAME_INVALID \u3092\u5c06\u6765\u7684\u306b\u9632\u6b62\u3059\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<p>\u4e88\u9632\u306f\u6cbb\u7642\u306b\u52dd\u308a\u307e\u3059\u3002\u9577\u671f\u7684\u306b\u554f\u984c\u3092\u56de\u907f\u3059\u308b\u65b9\u6cd5\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n<ul>\n<li><strong>\u4fe1\u983c\u3067\u304d\u308b SSL \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3092\u5229\u7528\u3059\u308b<\/strong>\u3002\u5b89\u4fa1\u307e\u305f\u306f\u7121\u6599\u306e SSL \u304c\u60aa\u3044\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001Let\u2019s Encrypt\u3001DigiCert\u3001GlobalSign \u306a\u3069\u306e\u4fe1\u983c\u3067\u304d\u308b\u8a8d\u8a3c\u5c40\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li><strong>SSL\u306e\u81ea\u52d5\u66f4\u65b0\u3092\u8a2d\u5b9a\u3059\u308b<\/strong>\u3002\u671f\u9650\u5207\u308c\u306e\u8a3c\u660e\u66f8\u3082\u540c\u69d8\u306e\u8b66\u544a\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>SSL\u3092\u5b9a\u671f\u7684\u306b\u30c6\u30b9\u30c8\u3059\u308b<\/strong>\u3002\u6570\u304b\u6708\u3054\u3068\u306b\u30aa\u30f3\u30e9\u30a4\u30f3SSL\u8a3a\u65ad\u30c4\u30fc\u30eb\u3092\u5229\u7528\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\n\n\n\n<li><strong>\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3092\u30b7\u30f3\u30d7\u30eb\u306b\u4fdd\u3064<\/strong>\u3002www\u3068\u975ewww\u30ea\u30f3\u30af\u304c\u6df7\u5728\u3059\u308b\u8907\u96d1\u306a\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u30c1\u30a7\u30fc\u30f3\u306f\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li><strong>\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u3092\u76e3\u8996\u3059\u308b<\/strong>\u3002\u30b5\u30a4\u30c8\u306b\u8907\u6570\u306e\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u304c\u3042\u308b\u5834\u5408\u3001\u5404\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u304cSSL\u8a2d\u5b9a\u3067\u30ab\u30d0\u30fc\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>ERR_CERT_COMMON_NAME_INVALID\u30a8\u30e9\u30fc\u306f\u4e00\u898b\u5384\u4ecb\u306b\u601d\u3048\u307e\u3059\u304c\u3001\u539f\u56e0\u304c\u5206\u304b\u308c\u3070\u901a\u5e38\u306f\u7c21\u5358\u306b\u4fee\u6b63\u3067\u304d\u307e\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u554f\u984c\u306f\u30c9\u30e1\u30a4\u30f3\u540d\u306e\u4e0d\u4e00\u81f4\u3084SSL\u8a3c\u660e\u66f8\u306e\u8a2d\u5b9a\u30df\u30b9\u304c\u539f\u56e0\u3067\u3059\u3002SSL\u8a2d\u5b9a\u306e\u78ba\u8a8d\u3001\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306e\u4fee\u6b63\u3001\u66f4\u65b0\u306e\u5fb9\u5e95\u3068\u3044\u3063\u305f\u3053\u308c\u3089\u306e\u624b\u9806\u3092\u8e0f\u3080\u3053\u3068\u3067\u3001\u4eca\u5f8c\u3053\u306e\u8b66\u544a\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u969b\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u7a81\u7136\u300cERR_CERT_COMMON_NAME_INVALID\u300d\u3068\u3044\u3046 [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":75036,"comment_status":"closed","ping_status":"open","sticky":false,"template":"wp-custom-template-ja","format":"standard","meta":{"footnotes":""},"categories":[526],"tags":[],"aioseo_notices":[],"lang":"ja","translations":{"ja":74880,"en":74823,"cn":74878,"es":74896,"ko":74881,"tw":74882},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/posts\/74880"}],"collection":[{"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/comments?post=74880"}],"version-history":[{"count":5,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/posts\/74880\/revisions"}],"predecessor-version":[{"id":74932,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/posts\/74880\/revisions\/74932"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/media\/75036"}],"wp:attachment":[{"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/media?parent=74880"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/categories?post=74880"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/tags?post=74880"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}