{"id":64638,"date":"2025-06-17T15:24:55","date_gmt":"2025-06-17T07:24:55","guid":{"rendered":"https:\/\/lightningxvpn.com\/blog\/?p=64638"},"modified":"2025-06-21T14:23:34","modified_gmt":"2025-06-21T06:23:34","slug":"fix-err-connection-reset-ja","status":"publish","type":"post","link":"https:\/\/lightningxvpn.com\/blog\/ja\/fix-err-connection-reset-ja\/","title":{"rendered":"Chrome\u3067ERR_CONNECTION_RESET\u30a8\u30e9\u30fc\u3092\u4fee\u6b63 [10\u3064\u306e\u89e3\u6c7a\u7b56]"},"content":{"rendered":"\n<p>Chrome\u3067\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3057\u305f\u969b\u306b\u3001\u30a4\u30e9\u30a4\u30e9\u3059\u308bERR_CONNECTION_RESET\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30a8\u30e9\u30fc\u306f\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u4f53\u9a13\u3092\u59a8\u3052\u3001\u5fc5\u8981\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u304f\u306a\u308a\u3001\u4f55\u304c\u8d77\u304d\u305f\u306e\u304b\u56f0\u60d1\u3055\u305b\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b10\u306e\u6709\u52b9\u306a\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u3001\u8fc5\u901f\u306b\u30aa\u30f3\u30e9\u30a4\u30f3\u306b\u623b\u308c\u308b\u3088\u3046\u652f\u63f4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ERR_CONNECTION_RESET\u3068\u306f\uff1f<\/h2>\n\n\n\n<p>\u89e3\u6c7a\u7b56\u306b\u5165\u308b\u524d\u306b\u3001ERR_CONNECTION_RESET \u304c\u4f55\u3067\u3042\u308b\u304b\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u3053\u306e\u30a8\u30e9\u30fc\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3068\u306e\u30bb\u30ad\u30e5\u30a2\u306a\u63a5\u7d9a\u3092\u78ba\u7acb\u3067\u304d\u306a\u3044\u5834\u5408\u306b\u767a\u751f\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u63a5\u7d9a\u8a66\u884c\u306f\u884c\u308f\u308c\u307e\u3059\u304c\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a\u306e\u4f55\u3089\u304b\u306e\u554f\u984c\u306b\u3088\u308a\u63a5\u7d9a\u304c\u5b8c\u4e86\u3067\u304d\u305a\u3001\u3053\u306e\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u30a8\u30e9\u30fc\u306f\u3001\u4e0d\u5b89\u5b9a\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a\u306e\u554f\u984c\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u8a2d\u5b9a\u304c\u6b63\u3057\u304f\u306a\u3044\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u7834\u640d\u3001DNS\u8a2d\u5b9a\u304c\u6b63\u3057\u304f\u306a\u3044\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u3001\u307e\u305f\u306f\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3084\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30b5\u30fc\u30d0\u30fc\u306e\u554f\u984c\u306a\u3069\u3001\u8907\u6570\u306e\u8981\u56e0\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>ERR_CONNECTION_RESET \u30a8\u30e9\u30fc\u306f\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u4e2d\u306b\u983b\u7e41\u306b\u8868\u793a\u3055\u308c\u3001\u3069\u306e\u30d6\u30e9\u30a6\u30b6\u3084\u30c7\u30d0\u30a4\u30b9\u3067\u3082\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u6700\u3082\u3088\u304f\u898b\u3089\u308c\u308b\u306e\u306fGoogle Chrome\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3067\u306f\u3001\u3053\u306e\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306e10\u306e\u89e3\u6c7a\u7b56\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"551\" height=\"369\" src=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/06\/fix-err-connection-reset-1.png\" alt=\"ERR_CONNECTION_RESET\" class=\"wp-image-64556\" style=\"border-width:1px\" srcset=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/06\/fix-err-connection-reset-1.png 551w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/06\/fix-err-connection-reset-1-300x201.png 300w\" sizes=\"(max-width: 551px) 100vw, 551px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Chrome\u3067ERR_CONNECTION_RESET\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n\n\n\n<p>ERR_CONNECTION_RESET\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001\u307e\u305a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5f31\u3044\u307e\u305f\u306f\u4e0d\u5b89\u5b9a\u306a\u63a5\u7d9a\u306f\u3001\u3053\u306e\u554f\u984c\u306e\u4e00\u822c\u7684\u306a\u539f\u56e0\u3067\u3059\u3002<\/p>\n\n\n\n<ol>\n<li>\u30c7\u30d0\u30a4\u30b9\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u6b63\u3057\u304f\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li>\u4ed6\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u958b\u304f\u304b\u3001\u540c\u3058\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u5225\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u4f7f\u7528\u3057\u3066\u63a5\u7d9a\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li>\u30eb\u30fc\u30bf\u30fc\u3068\u30e2\u30c7\u30e0\u3092\u518d\u8d77\u52d5\u3057\u3066\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u3092\u518d\u8d77\u52d5\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li>\u5225\u306eWi-Fi\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08\u5229\u7528\u53ef\u80fd\u306a\u5834\u5408\uff09\u306b\u63a5\u7d9a\u3057\u3066\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li>Wi-Fi\u63a5\u7d9a\u306e\u5834\u5408\u3001\u6709\u7dda\u63a5\u7d9a\u306b\u5207\u308a\u66ff\u3048\u3066\u554f\u984c\u304c\u7d99\u7d9a\u3059\u308b\u304b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li>\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30e2\u30d0\u30a4\u30eb\u30c7\u30fc\u30bf\u306b\u5207\u308a\u66ff\u3048\u3066\u554f\u984c\u304c\u7d99\u7d9a\u3059\u308b\u304b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li>\u30c7\u30d0\u30a4\u30b9\u3092\u518d\u8d77\u52d5\u3057\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u518d\u5ea6\u958b\u3044\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">2. <a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/how-to-clear-cache-and-cookies-on-chrome-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">Chrome\u30d6\u30e9\u30a6\u30b6\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u30af\u30c3\u30ad\u30fc\u3092\u524a\u9664\u3059\u308b<\/a><\/h3>\n\n\n\n<p>\u30d6\u30e9\u30a6\u30b6\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u30af\u30c3\u30ad\u30fc\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3068\u306e\u7af6\u5408\u3092\u5f15\u304d\u8d77\u3053\u3057\u3001ERR_CONNECTION_RESET\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u3092\u524a\u9664\u3059\u308b\u3053\u3068\u3067\u3001\u554f\u984c\u304c\u89e3\u6c7a\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol>\n<li>Chrome\u3092\u958b\u304d\u307e\u3059\u3002\u753b\u9762\u53f3\u4e0a\u306b\u3042\u308b3\u3064\u306e\u30c9\u30c3\u30c8\u30a2\u30a4\u30b3\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u300c\u95b2\u89a7\u30c7\u30fc\u30bf\u3092\u524a\u9664\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002\u307e\u305f\u306f\u3001Ctrl + Shift + Del \u3092\u62bc\u3059\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u300c\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u305f\u753b\u50cf\u3068\u30d5\u30a1\u30a4\u30eb\u300d\u3068\u300cCookie \u3068\u30b5\u30a4\u30c8\u30c7\u30fc\u30bf\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6642\u9593\u7bc4\u56f2\u3092\u300c\u3059\u3079\u3066\u300d\u306b\u8a2d\u5b9a\u3057\u3066\u3001\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u3092\u524a\u9664\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u300c\u30c7\u30fc\u30bf\u3092\u524a\u9664\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"551\" height=\"369\" src=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/06\/fix-err-connection-reset-1.png\" alt=\"Chrome\u30d6\u30e9\u30a6\u30b6\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u30af\u30c3\u30ad\u30fc\u3092\u524a\u9664\u3059\u308b\" class=\"wp-image-64556\" style=\"border-width:1px\" srcset=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/06\/fix-err-connection-reset-1.png 551w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/06\/fix-err-connection-reset-1-300x201.png 300w\" sizes=\"(max-width: 551px) 100vw, 551px\" \/><\/figure>\n\n\n\n<p>Chrome\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u30af\u30c3\u30ad\u30fc\u3092\u524a\u9664\u3057\u305f\u5f8c\u3001\u30d6\u30e9\u30a6\u30b6\u3092\u518d\u8d77\u52d5\u3057\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u76f4\u3057\u3066\u3001\u554f\u984c\u304c\u89e3\u6c7a\u3057\u305f\u304b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/fix-err-name-not-resolved-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"ERR_NAME_NOT_RESOLVED\u30a8\u30e9\u30fc\uff1a8\u3064\u306e\u89e3\u6c7a\u7b56\">ERR_NAME_NOT_RESOLVED\u30a8\u30e9\u30fc\uff1a8\u3064\u306e\u89e3\u6c7a\u7b56<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. VPN\u8a2d\u5b9a\u306e\u78ba\u8a8d<\/h3>\n\n\n\n<p>\u30c7\u30d0\u30a4\u30b9\u3067VPN\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u9593\u9055\u3063\u305fVPN\u8a2d\u5b9a\u304c\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u30b5\u30fc\u30d0\u30fc\u3078\u306e\u63a5\u7d9a\u3092\u59a8\u3052\u3001ERR_CONNECTION_RESET\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u554f\u984c\u304c\u7279\u5b9a\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u307f\u3067\u767a\u751f\u3059\u308b\u5834\u5408\u3001\u5730\u57df\u5236\u9650\u304c\u539f\u56e0\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul>\n<li>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306f\u5730\u57df\u5236\u9650\u3055\u308c\u3066\u304a\u308a\u3001\u4e00\u90e8\u306e\u56fd\u3067\u306e\u307f\u5229\u7528\u53ef\u80fd\u3067\u3059\u3002 \u5229\u7528\u53ef\u80fd\u306a<a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/how-to-change-vpn-location-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"VPN\u30b5\u30fc\u30d0\u30fc\u306b\u5909\u66f4\">VPN\u30b5\u30fc\u30d0\u30fc\u306b\u5909\u66f4<\/a>\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li>VPN\u306e\u8a2d\u5b9a\u753b\u9762\u3092\u78ba\u8a8d\u3057\u3001\u30b5\u30a4\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u59a8\u3052\u308b\u8aa4\u3063\u305f\u8a2d\u5b9a\u304c\u306a\u3044\u304b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li>VPN\u3092\u7121\u52b9\u306b\u3057\u3066\u554f\u984c\u304c\u89e3\u6c7a\u3059\u308b\u304b\u3069\u3046\u304b\u8a66\u3057\u3066\u304f\u3060\u3055\u3044\u3002VPN\u3092\u7121\u52b9\u306b\u3059\u308b\u3053\u3068\u3067\u554f\u984c\u304c\u89e3\u6c7a\u3057\u305f\u5834\u5408\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u5834\u6240\u3092\u5909\u66f4\u3059\u308b\u304b\u3001\u5225\u306eVPN\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\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><\/p>\n\n\n\n<p><strong><strong><a href=\"https:\/\/lightningxvpn.com\/ja\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>LightningX VPN<\/strong><\/a><\/strong><\/strong> \u2013 \u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u3067\u9ad8\u901f\u3001\u5b89\u5b9a\u304b\u3064\u30bb\u30ad\u30e5\u30a2\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u3092\u63d0\u4f9b\u3057\u307e\u3059\u300270\u30ab\u56fd\u4ee5\u4e0a\u30672000\u4ee5\u4e0a\u306e\u30b5\u30fc\u30d0\u30fc\u3092\u914d\u5099\u3057\u3001\u30b0\u30ed\u30fc\u30d0\u30eb\u306a\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\/\u30a2\u30d7\u30ea\/\u30b5\u30fc\u30d3\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u89e3\u9664\u3057\u307e\u3059\u3002IP\u30a2\u30c9\u30ec\u30b9\u3092\u96a0\u853d\u3057\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u306e\u533f\u540d\u95b2\u89a7\u3092\u53ef\u80fd\u306b\u3059\u308b\u3053\u3068\u3067\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002\u3053\u306eVPN\u306fWindows\u3001Mac\u3001Android\u3001iOS\u3001TV\u3001Linux\u3001Chrome\u3001Firefox\u3001Edge\u306a\u3069\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002<\/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<figure class=\"wp-block-image aligncenter size-full is-resized has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"535\" height=\"622\" src=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/01\/lightningx-vpn-ja-1.png\" alt=\"LightningX VPN\" class=\"wp-image-40697\" style=\"border-width:1px;width:499px;height:auto\" srcset=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/01\/lightningx-vpn-ja-1.png 535w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/01\/lightningx-vpn-ja-1-258x300.png 258w\" sizes=\"(max-width: 535px) 100vw, 535px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">4. <a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/how-to-flush-dns-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30af\u30ea\u30a2<\/a><\/h3>\n\n\n\n<p>DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u3068\u3001Chrome\u3067ERR_CONNECTION_RESET\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u306e\u3042\u308b\u53e4\u3044\u307e\u305f\u306f\u7834\u640d\u3057\u305fDNS\u60c5\u5831\u3092\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30ea\u30d5\u30ec\u30c3\u30b7\u30e5\u3059\u308b\u3053\u3068\u3067\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u30b5\u30fc\u30d0\u30fc\u3068\u306e\u901a\u4fe1\u306b\u95a2\u3059\u308b\u554f\u984c\u3092\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>Chrome\u3067DNS\u3092\u30af\u30ea\u30a2\u3059\u308b\u65b9\u6cd5:<\/strong><\/p>\n\n\n\n<ol>\n<li>\u30d6\u30e9\u30a6\u30b6\u3067\u3053\u306e\u30ea\u30f3\u30af\u3092\u958b\u304d\u307e\u3059: <a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/chrome-net-internals-dns-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\"><strong>chrome:\/\/net-internals\/#dns<\/strong><\/a>.<\/li>\n\n\n\n<li>\u300c\u30db\u30b9\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u3001Chrome\u306eDNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"756\" height=\"312\" src=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/09\/chrome-net-internals-dns-1.png\" alt=\"Chrome\u3067DNS\u3092\u30af\u30ea\u30a2\u3059\u308b\u65b9\u6cd5\" class=\"wp-image-14720\" srcset=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/09\/chrome-net-internals-dns-1.png 756w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/09\/chrome-net-internals-dns-1-300x124.png 300w\" sizes=\"(max-width: 756px) 100vw, 756px\" \/><\/figure>\n\n\n\n<p><strong>Windows\u3067DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u65b9\u6cd5:<\/strong><\/p>\n\n\n\n<ol>\n<li>Windows\u30ad\u30fc + R\u3092\u62bc\u3057\u3066\u300c\u5b9f\u884c\u300d\u30c0\u30a4\u30a2\u30ed\u30b0\u30dc\u30c3\u30af\u30b9\u3092\u958b\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u300c<strong>cmd<\/strong>\u300d\u3068\u5165\u529b\u3057\u3001Enter\u30ad\u30fc\u3092\u62bc\u3057\u3066\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u958b\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u306b\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u3001Enter\u30ad\u30fc\u3092\u62bc\u3057\u307e\u3059: <strong>ipconfig \/flushdns<\/strong>\u3002<\/li>\n\n\n\n<li>\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u9589\u3058\u3001\u518d\u5ea6\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"404\" height=\"113\" src=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/09\/how-to-flush-dns-2.png\" alt=\"Windows\u3067DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u65b9\u6cd5\" class=\"wp-image-14648\" srcset=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/09\/how-to-flush-dns-2.png 404w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/09\/how-to-flush-dns-2-300x84.png 300w\" sizes=\"(max-width: 404px) 100vw, 404px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">5. \u30d6\u30e9\u30a6\u30b6\u307e\u305f\u306f\u30c7\u30d0\u30a4\u30b9\u30b7\u30b9\u30c6\u30e0\u306e\u66f4\u65b0<\/h3>\n\n\n\n<p>\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u3084\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u4e92\u63db\u6027\u306e\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3057\u3001ERR_CONNECTION_RESET \u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u3068\u30b7\u30b9\u30c6\u30e0\u306e\u4e21\u65b9\u3092\u66f4\u65b0\u3059\u308b\u3053\u3068\u3067\u3001\u63a5\u7d9a\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u306e\u3042\u308b\u30d0\u30b0\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8106\u5f31\u6027\u3092\u4fee\u6b63\u3067\u304d\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u3068\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u304c\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>Chrome \u30d6\u30e9\u30a6\u30b6\u3092\u958b\u304d\u307e\u3059\u3002\u4e09\u70b9\u30ea\u30fc\u30c0\u30fc\u30a2\u30a4\u30b3\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001<strong>\u30d8\u30eb\u30d7 &gt; Google Chrome \u306b\u3064\u3044\u3066<\/strong>\u3092\u9078\u629e\u3057\u3066 <a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/how-to-update-chrome-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">Chrome \u3092\u66f4\u65b0<\/a>\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"691\" height=\"282\" src=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/12\/how-to-update-chrome-2.png\" alt=\"Chrome \u3092\u66f4\u65b0\" class=\"wp-image-37879\" srcset=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/12\/how-to-update-chrome-2.png 691w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/12\/how-to-update-chrome-2-300x122.png 300w\" sizes=\"(max-width: 691px) 100vw, 691px\" \/><\/figure>\n\n\n\n<p>Windows \u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001<strong>\u30b9\u30bf\u30fc\u30c8 &gt; \u8a2d\u5b9a &gt; \u66f4\u65b0\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 &gt; Windows \u66f4\u65b0<\/strong>\u306b\u79fb\u52d5\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u66f4\u65b0\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6. <a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/reset-ip-address-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">TCP\/IP \u8a2d\u5b9a\u306e\u30ea\u30bb\u30c3\u30c8<\/a><\/h3>\n\n\n\n<p>TCP\/IP \u30b9\u30bf\u30c3\u30af\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u72b6\u614b\u306b\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u3053\u3068\u3067\u3001ERR_CONNECTION_RESET \u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u306e\u3042\u308b\u3055\u307e\u3056\u307e\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u95a2\u9023\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3067\u304d\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol>\n<li>Windows \u30ad\u30fc + R \u3092\u62bc\u3057\u3066\u300ccmd\u300d\u3068\u5165\u529b\u3057\u3001Ctrl + Shift + Enter \u3092\u62bc\u3057\u3066\u7ba1\u7406\u8005\u6a29\u9650\u3067\u30b3\u30de\u30f3\u30c9 \u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u958b\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30b3\u30de\u30f3\u30c9 \u30d7\u30ed\u30f3\u30d7\u30c8\u306b\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u3001Enter \u30ad\u30fc\u3092\u62bc\u3057\u307e\u3059\uff1a<strong>netsh int ip reset<\/strong>\u3002<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">7. \u4e00\u6642\u7684\u306b\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u307e\u305f\u306f\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u7121\u52b9\u306b\u3059\u308b<\/h3>\n\n\n\n<p>\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u307e\u305f\u306f\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u304c<a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/how-to-block-a-website-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">\u7279\u5b9a\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u30d6\u30ed\u30c3\u30af<\/a>\u3057\u3001ERR_CONNECTION_RESET \u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3059\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u6642\u7684\u306b\u7121\u52b9\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u539f\u56e0\u3092\u7279\u5b9a\u3067\u304d\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol>\n<li>\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u307e\u305f\u306f\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u8a2d\u5b9a\u3092\u958b\u304d\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u307e\u305f\u306f\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u3092\u4e00\u6642\u7684\u306b\u7121\u52b9\u306b\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u518d\u5ea6\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u554f\u984c\u304c\u89e3\u6c7a\u3057\u305f\u5834\u5408\u3001\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u307e\u305f\u306f\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u8a2d\u5b9a\u3092\u8abf\u6574\u3057\u3066\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u8a31\u53ef\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c6\u30b9\u30c8\u5f8c\u3001\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u307e\u305f\u306f\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u518d\u6709\u52b9\u5316\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u3089\u306f\u30c7\u30d0\u30a4\u30b9\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u91cd\u8981\u3067\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">8. DNS\u30b5\u30fc\u30d0\u30fc\u3092Google DNS\u306b\u5909\u66f4\u3059\u308b<\/h3>\n\n\n\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\uff08ISP\uff09\u304c\u63d0\u4f9b\u3059\u308bDNS\u30b5\u30fc\u30d0\u30fc\u304c\u4e00\u6642\u7684\u306b\u554f\u984c\u3092\u8d77\u3053\u3057\u3066\u3044\u308b\u5834\u5408\u3001ERR_CONNECTION_RESET\u306e\u3088\u3046\u306a\u63a5\u7d9a\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002Google DNS\u306e\u3088\u3046\u306a\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u306b\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u3067\u3001\u63a5\u7d9a\u306e\u5b89\u5b9a\u6027\u304c\u5411\u4e0a\u3057\u3001\u554f\u984c\u304c\u89e3\u6c7a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol>\n<li>\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u30b9\u30bf\u30fc\u30c8\u30e1\u30cb\u30e5\u30fc\u304b\u3089\u300c\u8a2d\u5b9a\u300d&gt;\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u300c\u30a2\u30c0\u30d7\u30bf\u30fc\u8a2d\u5b9a\u306e\u5909\u66f4\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\uff08Wi-Fi\u307e\u305f\u306f\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\uff09\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001\u300c\u30d7\u30ed\u30d1\u30c6\u30a3\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u753b\u9762\u3092\u4e0b\u306b\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u3001\u300c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u30d0\u30fc\u30b8\u30e7\u30f34\uff08TCP\/IPv4\uff09\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u300c\u6b21\u306eDNS\u30b5\u30fc\u30d0\u30fc\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3059\u308b\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u4ee5\u4e0b\u306e\u7121\u6599Google DNS\u30b5\u30fc\u30d0\u30fc\u30a2\u30c9\u30ec\u30b9\u3092\u5165\u529b\u3057\u307e\u3059\uff1a\u512a\u5148DNS\u30b5\u30fc\u30d0\u30fc\uff1a8.8.8.8\u3002\u4ee3\u66ffDNS\u30b5\u30fc\u30d0\u30fc\uff1a8.8.4.4\u3002<\/li>\n\n\n\n<li>\u300cOK\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u63a5\u7d9a\u3092\u518d\u8d77\u52d5\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"372\" height=\"369\" src=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/03\/fix-err-connection-refused-2.png\" alt=\"DNS\u30b5\u30fc\u30d0\u30fc\u3092Google DNS\u306b\u5909\u66f4\u3059\u308b\" class=\"wp-image-51790\" style=\"border-width:1px\" srcset=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/03\/fix-err-connection-refused-2.png 372w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/03\/fix-err-connection-refused-2-300x298.png 300w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/03\/fix-err-connection-refused-2-150x150.png 150w\" sizes=\"(max-width: 372px) 100vw, 372px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">9. <a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/is-this-site-down-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u304c\u4e00\u6642\u7684\u306b\u30c0\u30a6\u30f3\u3057\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b<\/a><\/h3>\n\n\n\n<p>ERR_CONNECTION_RESET \u30a8\u30e9\u30fc\u306e\u3082\u30461\u3064\u306e\u4e00\u822c\u7684\u306a\u539f\u56e0\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u30b5\u30fc\u30d0\u30fc\u5074\u306b\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u7121\u6599\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u30c0\u30a6\u30f3\u30c1\u30a7\u30c3\u30ab\u30fc\uff08\u4f8b\uff1a\u300cDown For Everyone Or Just Me\u300d\uff09\u3092\u4f7f\u7528\u3057\u3066\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u304c\u30c0\u30a6\u30f3\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u30c4\u30fc\u30eb\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u304c\u4ed6\u306e\u4eba\u304b\u3089\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3001\u554f\u984c\u304c\u3042\u306a\u305f\u306e\u5074\u306b\u3042\u308b\u304b\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u5074\u306b\u3042\u308b\u304b\u3092\u5224\u65ad\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<ol>\n<li>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8 <a href=\"https:\/\/downforeveryoneorjustme.com\/\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">https:\/\/downforeveryoneorjustme.com\/<\/a> \u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u691c\u7d22\u30dc\u30c3\u30af\u30b9\u306b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eURL\uff08\u4f8b\uff1awww.example.com\uff09\u3092\u5165\u529b\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u300c\u691c\u7d22\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u3001\u30b5\u30a4\u30c8\u304c\u5168\u54e1\u306b\u30c0\u30a6\u30f3\u3057\u3066\u3044\u308b\u304b\u3001\u3042\u306a\u305f\u3060\u3051\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"692\" height=\"219\" src=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/03\/free-website-down-checker-1.png\" alt=\"\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u304c\u4e00\u6642\u7684\u306b\u30c0\u30a6\u30f3\u3057\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b\" class=\"wp-image-53959\" style=\"border-width:1px\" srcset=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/03\/free-website-down-checker-1.png 692w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/03\/free-website-down-checker-1-300x95.png 300w\" sizes=\"(max-width: 692px) 100vw, 692px\" \/><\/figure>\n\n\n\n<p>\u30b5\u30a4\u30c8\u304c\u5168\u54e1\u306b\u30c0\u30a6\u30f3\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u554f\u984c\u306f\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u81ea\u4f53\u306b\u3042\u308a\u3001\u5fa9\u65e7\u3059\u308b\u307e\u3067\u5f85\u3064\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">10. \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\uff08ISP\uff09\u307e\u305f\u306f\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u7ba1\u7406\u8005\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044<\/h3>\n\n\n\n<p>\u4e0a\u8a18\u306e\u65b9\u6cd5\u304c\u3059\u3079\u3066\u8a66\u3057\u3066\u3082\u554f\u984c\u304c\u89e3\u6c7a\u3057\u306a\u3044\u5834\u5408\u3001\u554f\u984c\u306e\u539f\u56e0\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\uff08ISP\uff09\u5074\u307e\u305f\u306f\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002ISP\u306b\u9023\u7d61\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u554f\u984c\u304c\u306a\u3044\u304b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u554f\u984c\u304c\u7279\u5b9a\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u9650\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u7ba1\u7406\u8005\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7d50\u8ad6<\/h2>\n\n\n\n<p>ERR_CONNECTION_RESET \u30a8\u30e9\u30fc\u306f\u7169\u308f\u3057\u3044\u3082\u306e\u3067\u3059\u304c\u3001\u89e3\u6c7a\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306e\u78ba\u8a8d\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30af\u30ea\u30a2\u3001DNS\u8a2d\u5b9a\u306e\u8abf\u6574\u306a\u3069\u3001\u554f\u984c\u89e3\u6c7a\u306e\u305f\u3081\u306e\u3055\u307e\u3056\u307e\u306a\u624b\u9806\u304c\u3042\u308a\u307e\u3059\u3002\u4e0a\u8a18\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u5f93\u3048\u3070\u3001\u4e2d\u65ad\u306a\u304f\u30a6\u30a7\u30d6\u95b2\u89a7\u3092\u518d\u958b\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chrome\u3067\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3057\u305f\u969b\u306b\u3001\u30a4\u30e9\u30a4\u30e9\u3059\u308bERR_CONNECTION_RESET\u30a8\u30e9 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":64945,"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":64638,"en":64549,"cn":64566,"tw":64596,"ko":64641,"ru":64642,"es":64643},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/posts\/64638"}],"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\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/comments?post=64638"}],"version-history":[{"count":7,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/posts\/64638\/revisions"}],"predecessor-version":[{"id":65172,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/posts\/64638\/revisions\/65172"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/media\/64945"}],"wp:attachment":[{"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/media?parent=64638"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/categories?post=64638"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/tags?post=64638"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}