{"id":23375,"date":"2019-06-21T00:28:00","date_gmt":"2019-06-21T07:28:00","guid":{"rendered":"https:\/\/kinsta.com\/?p=43986"},"modified":"2023-08-28T19:29:47","modified_gmt":"2023-08-28T10:29:47","slug":"err_connection_refused","status":"publish","type":"post","link":"https:\/\/kinsta.com\/jp\/blog\/err_connection_refused\/","title":{"rendered":"\u30109\u3064\u306e\u65b9\u6cd5\u3011Chrome\u306e\u300cERR_CONNECTION_REFUSED\u300d\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f"},"content":{"rendered":"<p>\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u3092\u3057\u3066\u3044\u308b\u3068\u3001\u300c<strong>ERR_CONNECTION_REFUSED<\/strong>\u300d\u306e\u3088\u3046\u306a\u5384\u4ecb\u306a\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u3002\u3053\u308c\u306f\u3001\u4f55\u304b\u91cd\u5927\u306a\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u3053\u3068\u3092\u793a\u5506\u3057\u3066\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u4e00\u822c\u7684\u306b\u7d1b\u3089\u308f\u3057\u3044\u30a8\u30e9\u30fc\u306f\u3001\u3053\u306e\u554f\u984c\u304c\u30a2\u30af\u30bb\u30b9\u3057\u305f\u30b5\u30a4\u30c8\u306b\u8d77\u56e0\u3057\u3066\u3044\u308b\u306e\u304b\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3084\u30d6\u30e9\u30a6\u30b6\u306a\u3069\u3001\u4ed6\u306b\u539f\u56e0\u304c\u3042\u308b\u306e\u304b\u304c\u5bb9\u6613\u306b\u5224\u65ad\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u300cERR_CONNECTION_REFUSED\u300d\u30a8\u30e9\u30fc\u306f\u3001\u4e2d\u3067\u3082\u7279\u306b\u3088\u304f\u898b\u3089\u308c\u308b\u3082\u306e\u3067\u3001WordPress\u30b5\u30a4\u30c8\u3068\u306f\u95a2\u4fc2\u306e\u306a\u3044\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u3057\u3066\u3001Google Chrome\u3067\u6642\u6298\u898b\u3089\u308c\u307e\u3059\u3002\u5e78\u3044\u3001\u3053\u306e\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u306e\u7279\u5b9a\u65b9\u6cd5\u306f\u6bd4\u8f03\u7684\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306f\u3001\u3053\u306e\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u610f\u5473\u3068\u89e3\u6c7a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u6398\u308a\u4e0b\u3052\u3066\u3044\u304d\u307e\u3059\u3002\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u624b\u9806\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/err_connection_refused\/#1-check-the-status-of-the-website\">\u30b5\u30a4\u30c8\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3059\u308b<\/a><\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/err_connection_refused\/#2-restart-your-router\">\u30eb\u30fc\u30bf\u3092\u518d\u8d77\u52d5\u3059\u308b<\/a><\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/err_connection_refused\/#3-clear-your-browsers-cache\">\u30d6\u30e9\u30a6\u30b6\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b<\/a><\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/err_connection_refused\/#4-assess-your-proxy-settings-and-adjust-them-as-needed\">\u30d7\u30ed\u30ad\u30b7\u8a2d\u5b9a\u3092\u78ba\u8a8d\u30fb\u5909\u66f4\u3059\u308b<\/a><\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/err_connection_refused\/#5-disable-firewall-and-antivirus-software-temporarily\">\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3084\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u30bd\u30d5\u30c8\u3092\u4e00\u6642\u7684\u306b\u7121\u52b9\u306b\u3059\u308b<\/a><\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/err_connection_refused\/#6-clear-your-dns-cache\">DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b<\/a><\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/err_connection_refused\/#7-change-your-dns-address\">DNS\u30b5\u30fc\u30d0\u30fc\u3092\u5909\u66f4\u3059\u308b<\/a><\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/err_connection_refused\/#8-disable-any-chrome-extensions\">Chrome\u306e\u62e1\u5f35\u6a5f\u80fd\u3092\u3059\u3079\u3066\u7121\u52b9\u306b\u3059\u308b<\/a><\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/err_connection_refused\/#9-reinstall-the-chrome-browser\">Chrome\u3092\u518d\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b<\/a><\/li>\n<\/ol>\n<p>\u305d\u306e\u524d\u306b\u3001\u30a8\u30e9\u30fc\u306e\u610f\u5473\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<br \/>\n<div><\/div><kinsta-auto-toc heading=\"Table of Contents\" exclude=\"last\" list-style=\"arrow\" selector=\"h2\" count-number=\"-1\"><\/kinsta-auto-toc><\/p>\n<p><strong><a href=\"https:\/\/www.youtube.com\/watch?v=Cvgnjzg4B2g\">\u300cERR_CONNECTION_REFUSED\u300d\u30a8\u30e9\u30fc\u306e\u89e3\u6c7a\u7b56\u306b\u3064\u3044\u3066\u52d5\u753b\u3067\u306e\u89e3\u8aac\u3082\u3054\u7528\u610f\u3057\u3066\u3044\u307e\u3059<\/a>\u3002<\/strong><\/p>\n<p class=\"p1\"><kinsta-video src=\"https:\/\/www.youtube.com\/watch?v=Cvgnjzg4B2g\"><\/kinsta-video><\/p>\n\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u5229\u7528\u3057\u3066\u3044\u308c\u3070\u3001\u3053\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u306b\u906d\u9047\u3057\u305f\u7d4c\u9a13\u306f\u8ab0\u306b\u3067\u3082\u3042\u308b\u306f\u305a\u3002<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-white-screen-of-death\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u6b7b\u306e\u771f\u3063\u767d\u753b\u9762\uff08WSOD\uff09<\/a>\u304b\u3089\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/error-404-not-found\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u5178\u578b\u7684\u306a404\u30a8\u30e9\u30fc<\/a>\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/err_connection_timed_out\/\">\u300cERR_CONNECTION_TIMED_OUT\u300d\u30a8\u30e9\u30fc<\/a>\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/err_cache_miss\/\">\u300cERR_CACHE_MISS\u300d\u30a8\u30e9\u30fc<\/a>\u307e\u3067\u3001\u4f55\u767e\u901a\u308a\u3082\u306e\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Kinsta\u306e\u30b5\u30dd\u30fc\u30c8\u30c1\u30fc\u30e0\u306f\u3001\u65e5\u3005\u3042\u3089\u3086\u308b\u7a2e\u985e\u306e\u30a8\u30e9\u30fc\u306b\u5bfe\u51e6\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u300cRR_CONNECTION_REFUSED\u300d\u30a8\u30e9\u30fc\u3082\u3088\u304f\u898b\u3089\u308c\u307e\u3059\u3002<\/p>\n<table style=\"height: 314px\" width=\"539\">\n<tbody>\n<tr>\n<td><b>\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9<\/b><\/td>\n<td>RR_CONNECTION_REFUSED<\/td>\n<\/tr>\n<tr>\n<td><strong>\u7a2e\u985e<\/strong><\/td>\n<td>\u63a5\u7d9a<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong><\/td>\n<td>This site can&#8217;t be reached\uff08\u3053\u306e\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u305b\u3093\uff09<br \/>\nUnable to connect<br \/>\nHmmm\u2026can\u2019t reach this page\uff08\u3053\u306e\u30da\u30fc\u30b8\u306b\u5230\u9054\u3067\u304d\u307e\u305b\u3093\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u539f\u56e0<\/strong><\/td>\n<td>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306e\u30a8\u30e9\u30fc<br \/>\n\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30a8\u30e9\u30fc<br \/>\n\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u30bd\u30d5\u30c8\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3001VPN\u306b\u3088\u308b\u5e72\u6e09<br \/>\nChrome\u306e\u62e1\u5f35\u6a5f\u80fd\u306e\u4e0d\u5099<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u300cERR_CONNECTION_REFUSED\u300d\u30a8\u30e9\u30fc\u306e\u539f\u56e0<\/h2>\n<p>\u5148\u306b\u3082\u89e6\u308c\u307e\u3057\u305f\u304c\u3001\u3053\u306e\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u306f\u5b9f\u306f\u975e\u5e38\u306b\u5358\u7d14\u306a\u3082\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u4f8b\u3048\u3070\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u304c\u4e0d\u5b89\u5b9a\u306a\u3060\u3051\u3067\u3001Chrome\u3067\u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u3082\u3002\u4ed6\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u539f\u56e0\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li>Chrome\u62e1\u5f35\u6a5f\u80fd\u306e\u4e0d\u5177\u5408<\/li>\n<li>\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u30bd\u30d5\u30c8\u3084\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306b\u3088\u308b\u30d6\u30e9\u30a6\u30b6\u3078\u306e\u5e72\u6e09<\/li>\n<li>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u8a2d\u5b9a\u306b\u4e0d\u5099\u304c\u3042\u308b<\/li>\n<li>Cookie\u306e\u30a8\u30e9\u30fc<\/li>\n<li>DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30a8\u30e9\u30fc<\/li>\n<li>\u30d6\u30e9\u30a6\u30b6\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u53e4\u3044<\/li>\n<\/ul>\n<h2>\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u7a2e\u985e<\/h2>\n<p>\u3053\u306e\u30a8\u30e9\u30fc\u306f\u3001\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u3088\u3063\u3066\u8868\u793a\u3055\u308c\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>This site can&#8217;t be reached\uff08\u3053\u306e\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u305b\u3093\uff09<\/li>\n<li>Unable to connect<\/li>\n<li>Hmmm\u2026can\u2019t reach this page\uff08\u3053\u306e\u30da\u30fc\u30b8\u306b\u5230\u9054\u3067\u304d\u307e\u305b\u3093\uff09<\/li>\n<\/ul>\n<h3>Google Chrome\u300c\u3053\u306e\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u305b\u3093\u300d<\/h3>\n<p>Chrome\u3092\u65e5\u5e38\u7684\u306b\u4f7f\u7528\u3057\u3066\u3044\u308c\u3070\u3001\u300c<strong>ERR_CONNECTION_REFUSED<\/strong>\u300d\u30a8\u30e9\u30fc\u306e\u30da\u30fc\u30b8\u306f\u4e00\u5ea6\u306f\u898b\u305f\u3053\u3068\u304c\u3042\u308b\u306f\u305a\u3002<\/p>\n<blockquote><p>\u3053\u306e\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u305b\u3093\uff08This site can\u2019t be reached\uff09<\/p>\n<p>\u3053\u306e\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u305b\u3093\uff08This webpage is not available\uff09<\/p><\/blockquote>\n<figure id=\"attachment_44016\" aria-describedby=\"caption-attachment-44016\" style=\"width: 1497px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-44016 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2019\/04\/ERR_CONNECTION_REFUSED-in-chrome.png\" alt=\"Google Chrome\u306e\u300cERR_CONNECTION_REFUSED\u300d\u30a8\u30e9\u30fc\" width=\"1497\" height=\"1134\"><figcaption id=\"caption-attachment-44016\" class=\"wp-caption-text\">Google Chrome\u306e\u300cERR_CONNECTION_REFUSED\u300d\u30a8\u30e9\u30fc<\/figcaption><\/figure>\n<p>Chrome\u3067\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3057\u3066\u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u305f\u5834\u5408\u3001\u63a5\u7d9a\u304c\u62d2\u5426\u3055\u308c\u305f\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u3053\u306e\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u306f\u3001\u4ed6\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u3082\u8868\u793a\u3055\u308c\u307e\u3059\u304c\u3001\u898b\u3048\u65b9\u306f\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u4f3c\u305f\u3088\u3046\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u3057\u3066\u3001\u300c<a href=\"https:\/\/kinsta.com\/jp\/blog\/dns_probe_finished_nxdomain\/\">DNS_PROBE_FINISHED_NXDOMAIN<\/a>\u300d\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u3082\u3002\u3053\u308c\u306f\u3001\u8981\u6c42\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u540d\u304c\u5b58\u5728\u3057\u306a\u3044\u3053\u3068\u3092\u77e5\u3089\u305b\u308b<a href=\"https:\/\/kinsta.com\/blog\/dns-server-not-responding\/\">DNS\u30a8\u30e9\u30fc<\/a>\u3067\u3059\u3002<\/p>\n<h3>Mozilla Firefox\u300c\u5b89\u5168\u306a\u63a5\u7d9a\u304c\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u300d<\/h3>\n<p>Mozilla Firefox\u3067\u306f\u3001\u300c<strong>Unable to connect<\/strong>\u300d\uff08\u63a5\u7d9a\u3067\u304d\u307e\u305b\u3093\uff09\u3068\u3044\u3063\u305f\u30b7\u30f3\u30d7\u30eb\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<blockquote><p>Firefox can\u2019t establish a connection to the server at domain.com.\uff08domain.com\u306e\u30b5\u30fc\u30d0\u30fc\u3078\u306e\u63a5\u7d9a\u3092\u78ba\u7acb\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\uff09<\/p><\/blockquote>\n<figure id=\"attachment_44018\" aria-describedby=\"caption-attachment-44018\" style=\"width: 1418px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-44018 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2019\/04\/ERR_CONNECTION_REFUSED-in-firefox.png\" alt=\"Mozilla Firefox\u306e\u300cERR_CONNECTION_REFUSED\u300d\u30a8\u30e9\u30fc\" width=\"1418\" height=\"1099\"><figcaption id=\"caption-attachment-44018\" class=\"wp-caption-text\">Mozilla Firefox\u306e\u300cERR_CONNECTION_REFUSED\u300d\u30a8\u30e9\u30fc<\/figcaption><\/figure>\n<h3>Microsoft Edge\u300c\u3053\u306e\u30da\u30fc\u30b8\u306b\u5230\u9054\u3067\u304d\u307e\u305b\u3093\u300d<\/h3>\n<p>Microsoft Edge\u3067\u306f\u3001\u300c<strong>\u3053\u306e\u30da\u30fc\u30b8\u306b\u5230\u9054\u3067\u304d\u307e\u305b\u3093<\/strong>\u300d\u3068\u8868\u793a\u3055\u308c\u308b\u3060\u3051\u3067\u3001\u809d\u5fc3\u306e\u539f\u56e0\u306f\u308f\u304b\u308a\u307e\u305b\u3093\u3002<\/p>\n<blockquote><p>URL\u304c\u6b63\u3057\u3044\u3053\u3068\u3092\u78ba\u304b\u3081\u308b: domain.com<\/p><\/blockquote>\n<figure id=\"attachment_44019\" aria-describedby=\"caption-attachment-44019\" style=\"width: 1640px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-44019 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2019\/04\/ERR_CONNECTION_REFUSED-in-edge.png\" alt=\"Microsoft Edge\u306e\u300cERR_CONNECTION_REFUSED\u300d\u30a8\u30e9\u30fc\" width=\"1640\" height=\"1045\"><figcaption id=\"caption-attachment-44019\" class=\"wp-caption-text\">Microsoft Edge\u306e\u300cERR_CONNECTION_REFUSED\u300d\u30a8\u30e9\u30fc<\/figcaption><\/figure>\n<p>\u300cERR_CONNECTION_REFUSED\u300d\u30a8\u30e9\u30fc\u306f\u3001\u500b\u3005\u306e\u63a5\u7d9a\u306b\u554f\u984c\u304c\u3042\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u306e\u554f\u984c\u306b\u8d77\u56e0\u3057\u3066\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u901a\u5e38\u3067\u3042\u308c\u3070\u3001\u6df1\u523b\u306a\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3084\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a\u306b\u8aa4\u308a\u304c\u539f\u56e0\u3067\u3059\u3002\u3068\u306f\u3044\u3048\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/types-of-malware\/\">\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u653b\u6483<\/a>\u3084\u4e88\u671f\u305b\u306c<a href=\"https:\/\/kinsta.com\/jp\/blog\/website-downtime\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u30b5\u30a4\u30c8\u306e\u30c0\u30a6\u30f3<\/a>\u306a\u3069\u3001\u3088\u308a\u91cd\u5927\u306a\u554f\u984c\u3092\u793a\u5506\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u3082\u5426\u3081\u307e\u305b\u3093\u3002\u307e\u305f\u306f\u3001\u4fe1\u983c\u6027\u306e\u4f4e\u3044\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u304c\u539f\u56e0\u3067\u3042\u308b\u3053\u3068\u3082\u3002<\/p>\n<p>\u300cERR_CONNECTION_REFUSED\u300d\u30a8\u30e9\u30fc\u306f\u3001\u305d\u306e\u4ed6\u306e\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u540c\u3058\u3088\u3046\u306b\u3001\u4f55\u304b\u3057\u3089\u306e\u554f\u984c\u304c\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u539f\u56e0\u306b\u95a2\u3059\u308b\u8a73\u7d30\u306f\u78ba\u8a8d\u3067\u304d\u307e\u305b\u3093\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u6839\u672c\u7684\u306a\u554f\u984c\u3092\u8ffd\u6c42\u3057\u3066\uff08\u53ef\u80fd\u306a\u3089\uff09\u89e3\u6c7a\u3059\u308b\u304b\u3069\u3046\u304b\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u6b21\u7b2c\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2 id=\"fix-err_connection_refused\">\u300cERR_CONNECTION_REFUSED\u300d\u30a8\u30e9\u30fc\u306e\u89e3\u6c7a\u65b9\u6cd5<\/h2>\n<p>\u3053\u306e\u30a8\u30e9\u30fc\u306b\u306f\u3055\u307e\u3056\u307e\u306a\u539f\u56e0\u304c\u8003\u3048\u3089\u308c\u308b\u305f\u3081\u3001\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u3084\u3084\u8907\u96d1\u3067\u3059\u304c\u3001\u89e3\u6c7a\u306f\u53ef\u80fd\u3067\u3059\u3002\u89e3\u6c7a\u3059\u308b\u53ef\u80fd\u6027\u306e\u9ad8\u3044\u3082\u306e\u304b\u3089\u9806\u306b9\u7a2e\u985e\u306e\u65b9\u6cd5\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<div><\/div><kinsta-auto-toc list-style=\"decimal\" selector=\"h3\" count-number=\"9\" sub-toc=\"true\"><\/kinsta-auto-toc>\n<h3>1. \u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n<p>\u307e\u305a\u624b\u59cb\u3081\u306b\u3001\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u305f\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002\u300cERR_CONNECTION_REFUSED\u300d\u30a8\u30e9\u30fc\u306f\u3001\u81ea\u5206\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u3067\u306f\u306a\u304f\u3001\u30b5\u30a4\u30c8\u306e\u30b5\u30fc\u30d0\u30fc\u5074\u306b\u539f\u56e0\u304c\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3092\u78ba\u8a8d\u3059\u308b\u7c21\u5358\u306a\u65b9\u6cd5\u306f\u3001\u5225\u306e\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u307f\u308b\u3053\u3068\u3002\u4ed6\u306e\u30da\u30fc\u30b8\u3067\u3082\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u308b\u5834\u5408\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u304c\u539f\u56e0\u306b\u306a\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3068\u8a00\u3048\u307e\u3059\u304c\u3001\u30a8\u30e9\u30fc\u304c\u7279\u5b9a\u306e\u30b5\u30a4\u30c8\u3067\u3057\u304b\u767a\u751f\u3057\u306a\u3044\u5834\u5408\u306f\u3001\u305d\u306e\u30b5\u30a4\u30c8\u306b\u554f\u984c\u304c\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u306f\u3001<a href=\"https:\/\/downforeveryoneorjustme.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Down For Everyone Or Just Me<\/a>\u3067\u3082\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_44026\" aria-describedby=\"caption-attachment-44026\" style=\"width: 1508px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-44026 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2019\/04\/down-for-everyone-or-just-me.png\" alt=\"Down for Everyone or Just Me\" width=\"1508\" height=\"389\"><figcaption id=\"caption-attachment-44026\" class=\"wp-caption-text\">Down for Everyone or Just Me<\/figcaption><\/figure>\n<p>\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u30da\u30fc\u30b8\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u8cbc\u308a\u4ed8\u3051\u3001\u300cor just me?\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3060\u3051\u3002\u3059\u3050\u306b\u305d\u306e\u30da\u30fc\u30b8\u304c\u30c0\u30a6\u30f3\u3057\u3066\u3044\u308b\u304b\u3001\u7a3c\u50cd\u3057\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30b5\u30a4\u30c8\u304c\u30c0\u30a6\u30f3\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30b5\u30a4\u30c8\u5074\u3067\u5bfe\u51e6\u3055\u308c\u308b\u306e\u3092\u5f85\u3064\u3057\u304b\u624b\u7acb\u3066\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u30b5\u30a4\u30c8\u306b\u554f\u984c\u304c\u306a\u3044\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u8aad\u307f\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u5834\u5408\u306b\u306f\u3001\u3055\u3089\u306b\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u9032\u3081\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>2. \u30eb\u30fc\u30bf\u30fc\u3092\u518d\u8d77\u52d5\u3059\u308b<\/h3>\n<p>\u6b21\u306b\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u95a2\u9023\u3059\u308b\u3042\u3089\u3086\u308b\u554f\u984c\u3078\u306e\u4e07\u80fd\u85ac\u7684\u306a\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3068\u3057\u3066\u3001\u300c\u96fb\u6e90\u3092\u5207\u3063\u3066\u518d\u8d77\u52d5\u300d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u81ea\u5b85\u3084\u4f1a\u793e\u306e\u30eb\u30fc\u30bf\u30fc\u3092\u518d\u8d77\u52d5\u3059\u308b\u3053\u3068\u3067\u3001\u5fc5\u305a\u30a8\u30e9\u30fc\u304c\u89e3\u6d88\u3055\u308c\u308b\u3068\u3044\u3046\u4fdd\u8a3c\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u6570\u5206\u7a0b\u5ea6\u3067\u3067\u304d\u308b\u89e3\u6c7a\u7b56\u306f\u5b9f\u884c\u3057\u3066\u304a\u304d\u305f\u3044\u3082\u306e\u3002\u6f5c\u5728\u7684\u306a\u63a5\u7d9a\u306e\u554f\u984c\u304c\u539f\u56e0\u306b\u306a\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u3092\u8003\u3048\u308c\u3070\u3001\u8a66\u3059\u4fa1\u5024\u3042\u308a\u3067\u3059\u3002<\/p>\n<p>\u30eb\u30fc\u30bf\u30fc\u306e\u96fb\u6e90\u3092\u629c\u304d\u300130\u79d2\u307b\u3069\u5f85\u3063\u3066\u304b\u3089\u518d\u5ea6\u63a5\u7d9a\u3057\u307e\u3059\u3002\u30eb\u30fc\u30bf\u30fc\u304c\u518d\u8d77\u52d5\u3055\u308c\u305f\u3089\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u30da\u30fc\u30b8\u306b\u518d\u5ea6\u30a2\u30af\u30bb\u30b9\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u554f\u984c\u306a\u304f\u8aad\u307f\u8fbc\u3081\u305f\u5834\u5408\u306f\u3001\u3053\u308c\u3067\u5b8c\u4e86\u3067\u3059\u3002\u307e\u3060\u30a8\u30e9\u30fc\u304c\u7d9a\u304f\u5834\u5408\u306f\u3001\u6b21\u306e\u7b56\u306b\u79fb\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>3. \u30d6\u30e9\u30a6\u30b6\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b<\/h3>\n<p>Chrome\u306b\u9650\u3089\u305a\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3084\u30c7\u30d0\u30a4\u30b9\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u60c5\u5831\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u3001\u95b2\u89a7\u5c65\u6b74\u3001\u4fdd\u5b58\u3055\u308c\u305f\u30ed\u30b0\u30a4\u30f3\u30c7\u30fc\u30bf\u3001Cookie\u306a\u3069\u304c\u542b\u307e\u308c\u3001\u6b21\u56de\u306e\u8a2a\u554f\u6642\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u3088\u308a\u9ad8\u901f\u306b\u8868\u793a\u3059\u308b\u305f\u3081\u306b\u8a18\u9332\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u4fbf\u5229\u306a\u4ed5\u7d44\u307f\u3067\u3042\u308b\u4e00\u65b9\u3067\u3001\u53e4\u3044\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u3055\u307e\u3056\u307e\u306a\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3068\u8a00\u3046\u306e\u3082\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u305f\u30da\u30fc\u30b8\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u3001\u73fe\u5728\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u4e00\u81f4\u3057\u306a\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u305f\u3081\u3067\u3059\u3002\u3053\u308c\u306b\u3064\u3044\u3066\u306f\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u3060\u3051\u3067\u89e3\u6c7a\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u524d\u306b\u3001\u307e\u305a\u306f<a href=\"https:\/\/support.google.com\/chrome\/answer\/95464?co=GENIE.Platform%3DDesktop&#038;hl=en\" target=\"_blank\" rel=\"noopener noreferrer\">\u30b7\u30fc\u30af\u30ec\u30c3\u30c8\u30a6\u30a3\u30f3\u30c9\u30a6<\/a>\u3092\u958b\u304f\u3053\u3068\u3067\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u539f\u56e0\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u7c21\u5358\u306b\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u306f\u3001\u5225\u306e\u30d6\u30e9\u30a6\u30b6\u3092\u4f7f\u7528\u3059\u308b\u306e\u3067\u3082OK\u3067\u3059\u3002\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u308b\u5834\u5408\u306f\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u307e\u305a\u3001Chrome\u306e\u30e1\u30a4\u30f3\u30e1\u30cb\u30e5\u30fc\uff08\u30a6\u30a3\u30f3\u30c9\u30a6\u306e\u53f3\u4e0a\u306b\u3042\u308b\u7e263\u70b9\u30ea\u30fc\u30c0\u30fc\uff09\u3092\u958b\u304d\u3001\u300c<strong>\u305d\u306e\u4ed6\u306e\u30c4\u30fc\u30eb<\/strong>\u300d\uff1e\u300c<strong>\u95b2\u89a7\u5c65\u6b74\u3092\u6d88\u53bb<\/strong>\u300d\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_44029\" aria-describedby=\"caption-attachment-44029\" style=\"width: 1574px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-44029 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2019\/04\/chrome-clear-browsing-data.jpg\" alt=\"Chrome\u306e\u95b2\u89a7\u5c65\u6b74\u3092\u6d88\u53bb\" width=\"1574\" height=\"1104\"><figcaption id=\"caption-attachment-44029\" class=\"wp-caption-text\">Chrome\u306e\u95b2\u89a7\u5c65\u6b74\u3092\u6d88\u53bb<\/figcaption><\/figure>\n<p>\u6b21\u306b\u8868\u793a\u3055\u308c\u308b\u753b\u9762\u3067\u3001\u3059\u3079\u3066\u306e\u9805\u76ee\u3092\u9078\u629e\u3057\u3001\u3059\u3079\u3066\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3057\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u9805\u76ee\u3092\u524a\u9664\u3057\u306a\u3051\u308c\u3070\u3001\u6700\u65b0\u306e\u30a8\u30f3\u30c8\u30ea\u306e\u307f\u304c\u6d88\u3048\u308b\u3060\u3051\u3067\u3001\u671f\u5f85\u3057\u3066\u3044\u308b\u52b9\u679c\u304c\u5f97\u3089\u308c\u307e\u305b\u3093\u3002<\/p>\n<figure id=\"attachment_44032\" aria-describedby=\"caption-attachment-44032\" style=\"width: 1516px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-44032 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2019\/04\/clear-browsing-data.png\" alt=\"\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\" width=\"1516\" height=\"1418\"><figcaption id=\"caption-attachment-44032\" class=\"wp-caption-text\">\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2<\/figcaption><\/figure>\n<p>\u307e\u305f\u306f\u3001\u30a2\u30c9\u30ec\u30b9\u30d0\u30fc\u306b\u4ee5\u4e0b\u306eURL\u3092\u8cbc\u308a\u4ed8\u308b\u65b9\u6cd5\u3082\u3002<\/p>\n<pre>chrome:\/\/settings\/clearBrowserData<\/pre>\n<p>\u3059\u308b\u3068\u3001\u4e0a\u8a18\u306e\u540c\u3058\u753b\u9762\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u95a2\u9023\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u30ea\u30bd\u30fc\u30b9\u3082\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-clear-browser-cache\/#single\" target=\"_blank\" rel=\"noopener noreferrer\">\u4e3b\u8981\u30d6\u30e9\u30a6\u30b6\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u65b9\u6cd5<\/a><\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-clear-browser-cache\/#chrome\" target=\"_blank\" rel=\"noopener noreferrer\">Google Chrome\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u65b9\u6cd5<\/a><\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-clear-browser-cache\/#firefox\" target=\"_blank\" rel=\"noopener noreferrer\">Mozilla Firefox\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u65b9\u6cd5<\/a><\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-clear-browser-cache\/#safari\" target=\"_blank\" rel=\"noopener noreferrer\">Safari\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u65b9\u6cd5<\/a><\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-clear-browser-cache\/#ie\">\u4e3b\u8981\u30d6\u30e9\u30a6\u30b6\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u65b9\u6cd5<\/a><\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-clear-browser-cache\/#edge\" target=\"_blank\" rel=\"noopener noreferrer\">Microsoft Edge\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u65b9\u6cd5<\/a><\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-clear-browser-cache\/#opera\" target=\"_blank\" rel=\"noopener noreferrer\">Opera\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u65b9\u6cd5<\/a><\/li>\n<\/ul>\n<h3>4. \u30d7\u30ed\u30ad\u30b7\u8a2d\u5b9a\u3092\u78ba\u8a8d\u30fb\u5909\u66f4\u3059\u308b<\/h3>\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8105\u5a01\u306f\u5e38\u306b\u5897\u52a0\u306e\u4e00\u9014\u3092\u305f\u3069\u3063\u3066\u304a\u308a\u3001\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u3001\u591a\u304f\u306e\u4eba\u304c\u500b\u5225\u306b\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u5c0e\u5165\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u4ee3\u8868\u7684\u306a\u65b9\u6cd5\u306e1\u3064\u304c\u3001\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u3067\u3059\u3002<\/p>\n<p>\u30d7\u30ed\u30ad\u30b7\u306f\u3001\u5225\u306eIP\u30a2\u30c9\u30ec\u30b9\u3067\u30aa\u30f3\u30e9\u30a4\u30f3\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u3092\u53ef\u80fd\u306b\u3057\u3001\u30d6\u30e9\u30a6\u30b6\u3068\u8a2a\u554f\u3059\u308b\u30b5\u30a4\u30c8\u9593\u306e\u4ef2\u4ecb\u5f79\u3092\u62c5\u3044\u307e\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/tools\/what-is-my-ip\/\" target=\"_blank\" rel=\"noopener noreferrer\">IP\u30a2\u30c9\u30ec\u30b9<\/a>\u3092\u96a0\u3059\u3060\u3051\u3067\u306a\u304f\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u30c7\u30fc\u30bf\u3084\u30b5\u30fc\u30d0\u30fc\u306e\u901a\u4fe1\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u52b9\u679c\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30ad\u30e3\u30c3\u30b7\u30e5\u540c\u69d8\u3001\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u306e\u5229\u7528\u306f\u6709\u7528\u306a\u624b\u6bb5\u3067\u306f\u3042\u308b\u3082\u306e\u306e\u3001\u3053\u306e\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u306b\u306a\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u304c\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3055\u308c\u305fIP\u30a2\u30c9\u30ec\u30b9\u3092\u62d2\u5426\u3057\u3001\u305d\u308c\u306b\u3088\u3063\u3066\u63a5\u7d9a\u304c\u62d2\u5426\u3055\u308c\u3066\u3057\u307e\u3046\u306a\u3093\u3066\u3053\u3068\u3082\u3002<\/p>\n<p>\u307e\u305f\u3001\u30d7\u30ed\u30ad\u30b7\u304c\u30aa\u30d5\u30e9\u30a4\u30f3\u3067\u3042\u3063\u305f\u308a\u3001\u8a2d\u5b9a\u306b\u8aa4\u308a\u304c\u3042\u308b\u3053\u3068\u3082\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u3053\u306e\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u906d\u9047\u3057\u305f\u3089\u3001\u30d7\u30ed\u30ad\u30b7\u306e\u8a2d\u5b9a\u3092\u898b\u76f4\u3059\u4fa1\u5024\u3042\u308a\u3067\u3059\u3002<\/p>\n<p>Chrome\u306b\u306f\u30d7\u30ed\u30ad\u30b7\u8a2d\u5b9a\u304c\u3042\u308b\u305f\u3081\u3001\u624b\u9806\u306f\u30b7\u30f3\u30d7\u30eb\u3002\u30c4\u30fc\u30eb\u3092\u63a2\u3059\u306e\u306b\u6642\u9593\u3092\u5272\u304f\u5fc5\u8981\u304c\u306a\u304f\u3001\u3059\u3050\u306b\u5909\u66f4\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u307e\u305a\u306f\u3001Chrome\u306e\u300c<strong>\u8a2d\u5b9a<\/strong>\u300d\u30e1\u30cb\u30e5\u30fc\u306b\u79fb\u52d5\u3057\u3001\u300c\u8a73\u7d30\u8a2d\u5b9a\u300d\u306e\u4e0b\u306b\u3042\u308b\u300c<strong>\u30b7\u30b9\u30c6\u30e0<\/strong>\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002\u300c<strong>\u30d1\u30bd\u30b3\u30f3\u306e\u30d7\u30ed\u30ad\u30b7\u8a2d\u5b9a\u3092\u958b\u304f<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3002<\/p>\n<figure id=\"attachment_44035\" aria-describedby=\"caption-attachment-44035\" style=\"width: 1452px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-44035 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2019\/04\/chrome-open-proxy-settings.png\" alt=\"Chrome\u3067\u30d7\u30ed\u30ad\u30b7\u8a2d\u5b9a\u3092\u958b\u304f\" width=\"1452\" height=\"338\"><figcaption id=\"caption-attachment-44035\" class=\"wp-caption-text\">Chrome\u3067\u30d7\u30ed\u30ad\u30b7\u8a2d\u5b9a\u3092\u958b\u304f<\/figcaption><\/figure>\n<p>\u3053\u3053\u304b\u3089\u306e\u30b9\u30c6\u30c3\u30d7\u306f\u3001\u304a\u4f7f\u3044\u306e\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u304c\u3001Windows\u306e\u5834\u5408\u306f\u3001\u300c<strong>LAN\u306e\u8a2d\u5b9a<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u300c<strong>LAN\u306b\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3059\u308b<\/strong>\u300d\u306e\u30c1\u30a7\u30c3\u30af\u3092\u5916\u3057\u307e\u3059\u3002Mac\u306e\u5834\u5408\u306f\u3001\u8a2d\u5b9a\u753b\u9762\u304c\u3059\u3050\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u9078\u629e\u53ef\u80fd\u306a\u30d7\u30ed\u30ad\u30b7\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u30c1\u30a7\u30c3\u30af\u3092\u3059\u3079\u3066\u5916\u3057\u3001\u305d\u306e\u5f8c\u3001\u30a8\u30e9\u30fc\u304c\u89e3\u6c7a\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<figure id=\"attachment_44036\" aria-describedby=\"caption-attachment-44036\" style=\"width: 1336px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-44036 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2019\/04\/uncheck-proxies-mac.jpg\" alt=\"\u30d7\u30ed\u30ad\u30b7\u306e\u9078\u629e\u3092\u5916\u3059\uff08Mac\uff09\" width=\"1336\" height=\"1126\"><figcaption id=\"caption-attachment-44036\" class=\"wp-caption-text\">\u30d7\u30ed\u30ad\u30b7\u306e\u9078\u629e\u3092\u5916\u3059\uff08Mac\uff09<\/figcaption><\/figure>\n<h3>5. \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3084\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u30bd\u30d5\u30c8\u3092\u4e00\u6642\u7684\u306b\u7121\u52b9\u5316\u3059\u308b<\/h3>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-a-firewall\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/a>\u3084\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u30bd\u30d5\u30c8\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u3068\u30b7\u30b9\u30c6\u30e0\u306e\u4fdd\u8b77\u3092\u76ee\u7684\u3068\u3057\u3001\u5b9a\u671f\u7684\u306b\u30c7\u30d0\u30a4\u30b9\u3092\u30b9\u30ad\u30e3\u30f3\u3057\u306a\u304c\u3089\u3001\u7591\u308f\u3057\u3044\u6d3b\u52d5\u3092\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3084\u30d7\u30ed\u30ad\u30b7\u3068\u540c\u3058\u3088\u3046\u306b\u3001\u3053\u306e\u624b\u306e\u9ad8\u5ea6\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u306f\u3001\u6642\u306b\u63a5\u7d9a\u306e\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u3053\u3068\u3082\u3002<\/p>\n<p>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u304c\u5b89\u5168\u306a\u30da\u30fc\u30b8\u3084\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u8aa4\u3063\u3066\u30d6\u30ed\u30c3\u30af\u3057\u305f\u308a\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3084\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u30bd\u30d5\u30c8\u3092\u7121\u52b9\u5316\u3057\u3066\u3001\u30a8\u30e9\u30fc\u304c\u89e3\u6c7a\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u304b\u3081\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u306a\u304a\u3001\u3053\u308c\u306f\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u30b5\u30a4\u30c8\u304c\u5b89\u5168\u3067\u3042\u308b\u3053\u3068\u304c\u5206\u304b\u3063\u3066\u3044\u308b\u5834\u5408\u306e\u307f\u3001\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u307e\u305f\u3001\u7121\u52b9\u5316\u3057\u305f\u307e\u307e\u653e\u7f6e\u3059\u308b\u3053\u3068\u306f\u63a7\u3048\u307e\u3057\u3087\u3046\u3002\u30a8\u30e9\u30fc\u304c\u89e3\u6d88\u3055\u308c\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u305f\u5f8c\u306f\u3001\u518d\u3073\u6709\u52b9\u5316\u3057\u3001\u653b\u6483\u304b\u3089\u8eab\u3092\u5b88\u308a\u307e\u3057\u3087\u3046\u3002\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3084\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u30bd\u30d5\u30c8\u304c\u539f\u56e0\u3067\u4f55\u5ea6\u3082\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u3088\u3046\u3067\u3042\u308c\u3070\u3001\u9055\u3046\u30bd\u30d5\u30c8\u306e\u5c0e\u5165\u3092\u691c\u8a0e\u3059\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n<h3>6.DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b<\/h3>\n<p>\u3053\u306e\u6642\u70b9\u3067\u3082\u30a8\u30e9\u30fc\u304c\u89e3\u6c7a\u3067\u304d\u306a\u3044\u5834\u5408\u3001\u6b21\u306f<a href=\"https:\/\/kinsta.com\/jp\/blog\/flush-dns\/\" target=\"_blank\" rel=\"noopener noreferrer\">DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2<\/a>\u3057\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u306f\u99b4\u67d3\u307f\u304c\u3042\u3063\u3066\u3082\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u751f\u6210\u3055\u308c\u308b\u3053\u3068\u306f\u3042\u307e\u308a\u77e5\u3089\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u3067\u30a2\u30af\u30bb\u30b9\u3057\u305f\u30da\u30fc\u30b8\u306e\u4e00\u6642\u7684\u306a\u30a8\u30f3\u30c8\u30ea\uff08\u30da\u30fc\u30b8\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u3084\u30a2\u30c9\u30ec\u30b9\u306b\u95a2\u9023\u3059\u308b\u91cd\u8981\u60c5\u5831\uff09\u304c\u3059\u3079\u3066\u4fdd\u5b58\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n<p>DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u76ee\u7684\u306f\u4ed6\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u540c\u3058\u3067\u3001\u30b5\u30a4\u30c8\u306eDNS\u30b5\u30fc\u30d0\u30fc\u306b\u4f55\u5ea6\u3082\u554f\u3044\u5408\u308f\u305b\u308b\u624b\u9593\u3092\u7701\u304d\u3001\u8aad\u307f\u8fbc\u307f\u3092\u9ad8\u901f\u5316\u3059\u308b\u3053\u3068\u306b\u3042\u308a\u307e\u3059\u3002\u9577\u671f\u7684\u306b\u307f\u3066\u6642\u9593\u306e\u524a\u6e1b\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u6642\u306b\u306f\u3053\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3059\u3053\u3068\u3082\u3002<\/p>\n<p>\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u30a8\u30f3\u30c8\u30ea\u304c\u3001\u53c2\u7167\u3059\u308b\u30b5\u30a4\u30c8\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u4e00\u81f4\u3057\u306a\u304f\u306a\u308b\u3068\u3001\u300cERR_CONNECTION_REFUSED\u300d\u306e\u3088\u3046\u306a\u6280\u8853\u7684\u306a\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u306e\u306f\u73cd\u3057\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u5834\u5408\u306f\u3001DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u3060\u3051\u3067\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u624b\u9806\u306f\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<h4>Windows<\/h4>\n<p>Windows\u30ad\u30fc\u3092\u62bc\u3057\u3066\u30b9\u30bf\u30fc\u30c8\u30e1\u30cb\u30e5\u30fc\u3092\u8d77\u52d5\u3057\u3001\u300cCMD\u300d\u3092\u691c\u7d22\u3057\u307e\u3059\u3002\u3059\u308b\u3068\u3001\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure style=\"width: 410px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2016\/10\/command-prompt-windows-1-1.png\" alt=\"Windows\u306e\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\" width=\"410\" height=\"655\"><figcaption class=\"wp-caption-text\">Windows\u306e\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8<\/figcaption><\/figure>\n<p>\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3067\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<pre><code>ipconfig \/flushdns<\/code><\/pre>\n<figure style=\"width: 1476px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2016\/10\/ipconfig-flush-dns-1-1.png\" alt=\"ipconfig flush dns\" width=\"1476\" height=\"366\"><figcaption class=\"wp-caption-text\">ipconfig \/flushdns<\/figcaption><\/figure>\n<p>\u305d\u306e\u5f8c\u3001DNS\u30ea\u30be\u30eb\u30d0\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3057\u305f\u3053\u3068\u3092\u4f1d\u3048\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1474px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2016\/10\/flushed-dns-resolver-cache-1-1.png\" alt=\"DNS\u30ea\u30be\u30eb\u30d0\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\" width=\"1474\" height=\"323\"><figcaption class=\"wp-caption-text\">DNS\u30ea\u30be\u30eb\u30d0\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2<\/figcaption><\/figure>\n<p>\u4eca\u56de\u306f\u3001Mac\u3067\u306e\u624b\u9806\u3092\u3054\u7d39\u4ecb\u3057\u3066\u3044\u304d\u307e\u3059\u3002<a href=\"https:\/\/www.thewindowsclub.com\/flush-windows-dns-cache\">Windows<\/a>\u306e\u624b\u9806\u306f\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u691c\u7d22\u3059\u308c\u3070\u3059\u3050\u306b\u898b\u3064\u304b\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<h4>Mac<\/h4>\n<p>Mac\u3067\u306e\u624b\u9806\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n<p>\u30c4\u30fc\u30eb\u30d0\u30fc\u306e\u4e0a\u306b\u3042\u308b\u300c<strong>\u79fb\u52d5<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u300c<strong>\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3<\/strong>\u300d\uff08Shift + Command + U\uff09\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1534px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2016\/10\/mac-utilities-1.jpg\" alt=\"Mac\u306e\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\" width=\"1534\" height=\"864\"><figcaption class=\"wp-caption-text\">Mac\u306e\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3<\/figcaption><\/figure>\n<p>\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u958b\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1364px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2016\/10\/mac-terminal-1.png\" alt=\"Mac\u306e\u30bf\u30fc\u30df\u30ca\u30eb\" width=\"1364\" height=\"578\"><figcaption class=\"wp-caption-text\">Mac\u306e\u30bf\u30fc\u30df\u30ca\u30eb<\/figcaption><\/figure>\n<p>\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u64cd\u4f5c\u306b\u306f\u3001\u7ba1\u7406\u8005\u6a29\u9650\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre>sudo killall -HUP mDNSResponder && echo macOS DNS Cache Reset<\/pre>\n<figure style=\"width: 1772px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2016\/10\/clear-dns-cache-mac-2-1.png\" alt=\"DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\" width=\"1772\" height=\"482\"><figcaption class=\"wp-caption-text\">DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2<\/figcaption><\/figure>\n<p>\u6700\u5f8c\u306b\u3001\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u30b5\u30a4\u30c8\u306b\u518d\u5ea6\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3057\u3087\u3046\u3002\u3053\u308c\u3067\u89e3\u6c7a\u3067\u304d\u308b\u306f\u305a\u3002\u307e\u3060\u30a8\u30e9\u30fc\u304c\u898b\u3089\u308c\u308b\u5834\u5408\u306f\u3001DNS\u3092\u3055\u3089\u306b\u6398\u308a\u4e0b\u3052\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>7.DNS\u30b5\u30fc\u30d0\u30fc\u3092\u5909\u66f4\u3059\u308b<\/h3>\n<p>\u4e0a\u3067\u89e6\u308c\u305f\u901a\u308a\u3001\u4eca\u56de\u306e\u30a8\u30e9\u30fc\u306e\u3088\u3046\u306a\u554f\u984c\u306e\u539f\u56e0\u3068\u3057\u3066\u3001DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u30a8\u30f3\u30c8\u30ea\u304c\u53e4\u3044\u3068\u3044\u3046\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u304c\u3001DNS\u30b5\u30fc\u30d0\u30fc\u81ea\u4f53\u304c\u539f\u56e0\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001DNS\u30b5\u30fc\u30d0\u30fc\u306b\u904e\u8ca0\u8377\u304c\u304b\u304b\u3063\u305f\u308a\u3001\u30aa\u30d5\u30e9\u30a4\u30f3\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3088\u304f\u3042\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<p>\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u3001DNS\u30b5\u30fc\u30d0\u30fc\u306e\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304b\u3089\u81ea\u52d5\u7684\u306b\u53d6\u5f97\u3055\u308c\u307e\u3059\u304c\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u5909\u66f4\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002\u5909\u66f4\u65b9\u6cd5\u306f\u3001OS\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u3001Mac\u3067\u306e\u624b\u9806\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\u307e\u305a\u306f\u3001\u300c<strong>\u30b7\u30b9\u30c6\u30e0\u74b0\u5883\u8a2d\u5b9a<\/strong>\u300d\uff1e\u300c<strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/strong>\u300d\u306b\u79fb\u52d5\u3057\u3001\u300c<strong>\u8a73\u7d30<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_44047\" aria-describedby=\"caption-attachment-44047\" style=\"width: 1336px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-44047 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2019\/04\/mac-network-advanced.png\" alt=\"\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8a73\u7d30\u8a2d\u5b9a\" width=\"1336\" height=\"1126\"><figcaption id=\"caption-attachment-44047\" class=\"wp-caption-text\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8a73\u7d30\u8a2d\u5b9a<\/figcaption><\/figure>\n<p>\u753b\u9762\u4e0a\u90e8\u306e\u300c<strong>DNS<\/strong>\u300d\u30bf\u30d6\u3092\u958b\u304d\u307e\u3059\u3002\u65b0\u898f\u8ffd\u52a0\u3059\u308b\u5834\u5408\u306f\u3001\u300c\uff0b\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066DNS\u30b5\u30fc\u30d0\u30fc\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u65e2\u5b58\u306eDNS\u30b5\u30fc\u30d0\u30fc\u3092\u7de8\u96c6\u3059\u308b\u306b\u306f\u3001\u8a72\u5f53\u306eDNS\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u30c0\u30d6\u30eb\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_44048\" aria-describedby=\"caption-attachment-44048\" style=\"width: 1336px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-44048 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2019\/04\/network-dns.jpg\" alt=\"DNS\u306e\u8a2d\u5b9a\" width=\"1336\" height=\"1126\"><figcaption id=\"caption-attachment-44048\" class=\"wp-caption-text\">DNS\u306e\u8a2d\u5b9a<\/figcaption><\/figure>\n<p>DNS\u3092Google\u3084Cloudflare\u306a\u3069\u306e\u516c\u958bDNS\u30b5\u30fc\u30d0\u30fc\u306b\u4e00\u6642\u7684\u306b\u5909\u66f4\u3057\u3066\u307f\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002\u300d<\/p>\n<ul>\n<li><a href=\"https:\/\/developers.google.com\/speed\/public-dns\/docs\/using\" target=\"_blank\" rel=\"noopener noreferrer\">Google Public DNS<\/a>\uff088.8.8.8\u304a\u3088\u30738.8.4.4\uff09\u306f\u3001\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u3001\u9577\u671f\u7684\u306b\u4f7f\u7528\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u3082\u3002<\/li>\n<li><a href=\"https:\/\/kinsta.com\/blog\/cloudflare-settings-wordpress\/#kinsta-dns-vs-cloudflare-dns\" target=\"_blank\" rel=\"noopener noreferrer\">Cloudflare<\/a>\u3082\u3001\u5b89\u5168\u304b\u3064\u9ad8\u901f\u306a\u7121\u6599\u306eDNS\uff08<a href=\"https:\/\/1.1.1.1\/\" target=\"_blank\" rel=\"noopener noreferrer\">1.1.1.1<\/a>\u304a\u3088\u30731.0.0.1\uff09\u3092\u63d0\u4f9b\u3002<\/li>\n<\/ul>\n<p>\u5099\u8003\uff09\u3059\u3067\u306b\u7121\u6599\u306eDNS\u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3044\u3066\u3001\u3053\u306e\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001\u305d\u306e\u30b5\u30fc\u30d0\u30fc\u3092\u524a\u9664\u3057\u3066ISP\u306eDNS\u30b5\u30fc\u30d0\u30fc\u306b\u623b\u3059\u3068\u89e3\u6c7a\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002Google\u3068Cloudflare\u306eDNS\u30b5\u30fc\u30d0\u30fc\u3067\u30a8\u30e9\u30fc\u3092\u5b8c\u5168\u306b\u9632\u3052\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u305f\u3081\u3001\u5143\u306b\u623b\u3059\u3053\u3068\u3067\u89e3\u6c7a\u3059\u308b\u3068\u3044\u3046\u4e8b\u4f8b\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u5f8c\u3001\u518d\u5ea6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u3001\u30a8\u30e9\u30fc\u304c\u89e3\u6d88\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>8.Chrome\u306e\u62e1\u5f35\u6a5f\u80fd\u3092\u3059\u3079\u3066\u7121\u52b9\u306b\u3059\u308b<\/h3>\n<p>\u62e1\u5f35\u6a5f\u80fd\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3068\u3001Chrome\u3067\u306e\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u4f53\u9a13\u304c\u5411\u4e0a\u3055\u308c\u307e\u3059\u3002\u6570\u591a\u304f\u306e\u62e1\u5f35\u6a5f\u80fd\u304c\u5b58\u5728\u3057\u3001\u4e3b\u8981\u6a5f\u80fd\u306e\u8ffd\u52a0\u3084\u8907\u96d1\u306a\u51e6\u7406\u306e\u81ea\u52d5\u5316\u306a\u3069\u304c\u5b9f\u73fe\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001Chrome\u306e\u62e1\u5f35\u6a5f\u80fd\u306f\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u306e\u3082\u306e\u304c\u307b\u3068\u3093\u3069\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u671f\u5f85\u901a\u308a\u306b\u52d5\u4f5c\u3057\u305f\u308a\u3001\u9069\u5207\u306b\u66f4\u65b0\u3055\u308c\u305f\u308a\u3057\u3066\u3044\u304f\u4fdd\u8a3c\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u4e0d\u5099\u306e\u3042\u308b\u3082\u306e\u3084\u3001\u53e4\u3044\u62e1\u5f35\u6a5f\u80fd\u306f\u3001\u300cERR_CONNECTION_REFUSED\u300d\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u3001\u3055\u307e\u3056\u307e\u306a\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001Chrome\u306e\u62e1\u5f35\u6a5f\u80fd\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u969b\u306f\u3001\u5b9a\u671f\u7684\u306b\u66f4\u65b0\u72b6\u6cc1\u306a\u3069\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n<p>\u307e\u305aChrome\u306e\u30e1\u30cb\u30e5\u30fc\u304b\u3089\u300c<strong>\u305d\u306e\u4ed6\u306e\u30c4\u30fc\u30eb\u300d<\/strong>\uff1e\u300c<strong>\u62e1\u5f35\u6a5f\u80fd<\/strong>\u300d\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002\u4e00\u89a7\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u62e1\u5f35\u6a5f\u80fd\u3092\u9806\u306b\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u307e\u305a\u306f\u3001\u672c\u5f53\u306b\u5fc5\u8981\u306a\u3082\u306e\u306a\u306e\u304b\u3092\u898b\u6975\u3081\u3001\u4e0d\u8981\u306a\u3082\u306e\u306f\u524a\u9664\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u6b21\u306b\u3001\u4f7f\u7528\u3057\u7d9a\u3051\u305f\u3044\u62e1\u5f35\u6a5f\u80fd\u306e\u6700\u5f8c\u306e\u66f4\u65b0\u65e5\u3092\u8abf\u3079\u307e\u3057\u3087\u3046\u3002\u904e\u53bb3\u30f6\u6708\u4ee5\u5185\u306b\u66f4\u65b0\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u7406\u60f3\u7684\u3067\u3059\u3002\u6700\u5f8c\u306e\u66f4\u65b0\u304b\u30893\u30f6\u6708\u4ee5\u4e0a\u7d4c\u3063\u3066\u3044\u308b\u3082\u306e\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\u3067\u304d\u308c\u3070<a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-remove-chrome-extensions\/#how-to-temporarily-disable-chrome-extensions\">\u524a\u9664<\/a>\u3057\u3066\u3001\u985e\u4f3c\u6a5f\u80fd\u3092\u6301\u3064\u62e1\u5f35\u6a5f\u80fd\u306b\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n<p>\u3082\u3061\u308d\u3093\u3001\u5b9a\u671f\u7684\u306b\u66f4\u65b0\u3055\u308c\u3066\u3044\u308b\u62e1\u5f35\u6a5f\u80fd\u3067\u3082\u3001\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3055\u306a\u3044\u3068\u3044\u3046\u4fdd\u8a3c\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u3088\u3046\u306a\u61f8\u5ff5\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u62e1\u5f35\u6a5f\u80fd\u3092\u3059\u3079\u3066\u7121\u52b9\u5316\u3057\u3001\u305d\u306e\u5f8c\u30a8\u30e9\u30fc\u304c\u6d88\u3048\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u3053\u308c\u3067\u30a8\u30e9\u30fc\u304c\u6d88\u3048\u308b\u5834\u5408\u306f\u3001\u3044\u305a\u308c\u304b\u306e\u62e1\u5f35\u6a5f\u80fd\u304c\u539f\u56e0\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u30021\u3064\u305a\u3064\u62e1\u5f35\u6a5f\u80fd\u3092\u6709\u52b9\u5316\u3057\u3001\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u306b\u306a\u3063\u3066\u3044\u308b\u3082\u306e\u3092\u898b\u3064\u3051\u51fa\u3057\u3066\u524a\u9664\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>9.Chrome\u3092\u518d\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b<\/h3>\n<p>\u4ed6\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3082\u8a00\u3048\u308b\u3053\u3068\u3067\u3059\u304c\u3001Chrome\u81ea\u4f53\u306b\u554f\u984c\u304c\u306a\u3044\u3068\u306f\u8a00\u3044\u5207\u308c\u307e\u305b\u3093\u3002\u7279\u306b\u3057\u3070\u3089\u304f\u66f4\u65b0\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30d6\u30e9\u30a6\u30b6\u3068\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u9593\u306e\u30a8\u30e9\u30fc\u306f\u610f\u5916\u3068\u3088\u304f\u898b\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u5834\u5408\u306e\u552f\u4e00\u306e\u89e3\u6c7a\u7b56\u306f\u3001Chrome\u306e\u518d\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3002\u304a\u4f7f\u3044\u306e\u30c7\u30d0\u30a4\u30b9\u304b\u3089\u73fe\u5728\u306eChrome\u3092\u4e00\u5ea6\u524a\u9664\u3057\u307e\u3057\u3087\u3046\u3002\u305d\u306e\u5f8c\u3001<a href=\"https:\/\/www.google.com\/chrome\/\" target=\"_blank\" rel=\"noopener noreferrer\">Chrome\u306e\u516c\u5f0f\u30b5\u30a4\u30c8<\/a>\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u3001\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/p>\n<h2 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content=\"Kinsta\u00ae\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Kinsta-Japan-334616080691171\/\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/fm.brianleejackson\" \/>\n<meta property=\"article:published_time\" content=\"2019-06-21T07:28:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-08-28T10:29:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/06\/err_connection_refused-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1460\" \/>\n\t<meta property=\"og:image:height\" content=\"730\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Brian Jackson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:description\" 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