{"id":39241,"date":"2022-11-21T20:44:22","date_gmt":"2022-11-21T11:44:22","guid":{"rendered":"https:\/\/kinsta.com\/jp\/?p=39241&#038;post_type=knowledgebase&#038;preview_id=39241"},"modified":"2025-10-02T04:47:56","modified_gmt":"2025-10-01T19:47:56","slug":"curl-error-28","status":"publish","type":"post","link":"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/","title":{"rendered":"\u30106\u3064\u306e\u65b9\u6cd5\u3011\u300ccURL error 28: Connection timed out\u300d\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f"},"content":{"rendered":"<p>WordPress\u306f\u4fe1\u983c\u6027\u306e\u9ad8\u3044<a href=\"https:\/\/kinsta.com\/jp\/blog\/content-management-system\/\">\u30b3\u30f3\u30c6\u30f3\u30c4\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\uff08CMS\uff09<\/a>\u3067\u3059\u304c\u3001\u4f8b\u3048\u3070\u9ad8\u5ea6\u306a\u30b5\u30a4\u30c8\u306e\u7de8\u96c6\u3092\u884c\u3046\u5834\u5408\u306b\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-errors\/\">WordPress\u30a8\u30e9\u30fc<\/a>\u306b\u906d\u9047\u3059\u308b\u3053\u3068\u3082\u3002\u305d\u306e1\u3064\u304c\u3001\u4eca\u56de\u53d6\u308a\u4e0a\u3052\u308b\u300ccURL error 28: Connection timed out\u300d\u30a8\u30e9\u30fc\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u65b9\u6cd5\u306f\u3044\u304f\u3064\u304b\u3042\u308b\u306e\u3067\u3054\u5b89\u5fc3\u3092\u3002\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u7121\u52b9\u5316\u306e\u3088\u3046\u306a\u3059\u3050\u306b\u5b9f\u884c\u3067\u304d\u308b\u3082\u306e\u304b\u3089\u3001SSL\u8a2d\u5b9a\u306e\u66f4\u65b0\u306e\u3088\u3046\u306a\u5c11\u3057\u8907\u96d1\u306a\u624b\u6cd5\u307e\u3067\u3055\u307e\u3056\u307e\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u300ccURL error 28\u300d\u306e\u6982\u8981\u3068\u539f\u56e0\u306b\u3064\u3044\u3066\u3054\u8aac\u660e\u3057\u305f\u5f8c\u30016\u3064\u306e\u89e3\u6c7a\u65b9\u6cd5\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002\u65e9\u901f\u672c\u984c\u306b\u5165\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n<div><\/div><kinsta-auto-toc heading=\"Table of Contents\" exclude=\"last\" list-style=\"arrow\" selector=\"h2\" count-number=\"-1\"><\/kinsta-auto-toc>\n<h2>WordPress\u306e\u300ccURL error 28\u300d\u3068\u306f<\/h2>\n<p>cURL\uff08\u5225\u540dClient URL\uff09\u306f\u3001\u4fbf\u5229\u306a\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3067\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-a-url\/\">URL<\/a>\u3092\u901a\u3058\u3066\u30b5\u30fc\u30d0\u30fc\u3068\u306e\u9593\u3067\u30c7\u30fc\u30bf\u306e\u9001\u53d7\u4fe1\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<p>WordPress\u3067\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-rest-api\/\">REST API<\/a>\u5185\u3067\u4f7f\u7528\u3055\u308c\u3066\u304a\u308a\u3001cURL\u304cAPI\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3059\u308b\u3053\u3068\u3067\u3001\u30b5\u30a4\u30c8\u304c\u30b5\u30fc\u30d0\u30fc\u3068\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3057\u3001\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u56f3\u3067\u8868\u3059\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u4ed5\u7d44\u307f\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure style=\"width: 938px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/11\/rest-api.png\" alt=\"REST API\u306e\u4ed5\u7d44\u307f\" width=\"938\" height=\"708\"><figcaption class=\"wp-caption-text\">REST API\u306e\u4ed5\u7d44\u307f<\/figcaption><\/figure>\n<p>\u3053\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u51e6\u7406\u306b\u306f\u3001\u3042\u308b\u4e00\u5b9a\u306e\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002\u51e6\u7406\u306b\u6642\u9593\u304c\u304b\u304b\u308a\u3059\u304e\u3066\u3057\u307e\u3046\u3068\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3057\u3066\u3057\u307e\u3044\u3001\u300ccURL error 28: Connection timed out\u300d\u3068\u3044\u3046\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u901a\u5e38\u3001\u3053\u306e\u30a8\u30e9\u30fc\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-admin\/\">WordPress\u7ba1\u7406\u753b\u9762<\/a>\u306e\u300c<strong>\u30b5\u30a4\u30c8\u30d8\u30eb\u30b9<\/strong>\u300d\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u300cREST API \u3067\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u300d\u3068\u3044\u3046\u898b\u51fa\u3057\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u300cError: cURL error 28: Operation timed out after XX milliseconds with X bytes received (http_request_failed) \u300d\uff08X\u30d0\u30a4\u30c8\u3092\u53d7\u4fe1\u3057\u3001XX\u30df\u30ea\u79d2\u5f8c\u306b\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u304c\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3057\u307e\u3057\u305f\uff09<\/p>\n<p>\u307e\u305f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u95a2\u9023\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u3082\u3002<\/p>\n<p>\u300c\u30b5\u30a4\u30c8\u3078\u306e\u30eb\u30fc\u30d7\u30d0\u30c3\u30af\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u5931\u6557\u3057\u307e\u3057\u305f\u3002\u73fe\u5728\u3001\u4f9d\u5b58\u3059\u308b\u6a5f\u80fd\u306f\u60f3\u5b9a\u3069\u304a\u308a\u306b\u52d5\u4f5c\u3057\u3066\u3044\u307e\u305b\u3093\u300d<\/p>\n\n<h2>\u300ccURL error 28:Connection timed out\u300d\u30a8\u30e9\u30fc\u306e\u539f\u56e0<\/h2>\n<p>\u300ccURL error 28\u300d\u304c\u8868\u793a\u3055\u308c\u308b\u539f\u56e0\u306f\u3044\u304f\u3064\u304b\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-a-firewall\/\">WordPress\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/a>\u304c\u3001\u7279\u5b9a\u306eREST API\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u4e0d\u6b63\u306a\u3082\u306e\u3068\u3057\u3066\u8a8d\u8b58\u3057\u3066\u3044\u308b\u3002\u3053\u306e\u5834\u5408\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/types-of-malware\/\">\u30de\u30eb\u30a6\u30a7\u30a2<\/a>\u3084\u305d\u306e\u4ed6\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8105\u5a01\u304b\u3089\u30b5\u30a4\u30c8\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u53d7\u4fe1\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3082\u3057\u304f\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-dns\/\">DNS\u30b5\u30fc\u30d0\u30fc<\/a>\u306b\u4f55\u3089\u304b\u306e\u4e0d\u5177\u5408\u304c\u3042\u3063\u305f\u308a\u3001\u9069\u5207\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u3002\u3053\u306e\u5834\u5408\u306f\u3001WordPress\u5074\u304cHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u6b63\u3057\u304f\u8aad\u307f\u8fbc\u3081\u306a\u304f\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002DNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u53d7\u4fe1\u3057\u3066IP\u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u3092\u6b63\u3057\u3044\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u8ee2\u9001\u3059\u308b\u4ed5\u7d44\u307f\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u51e6\u7406\u304c\u6b63\u3057\u304f\u884c\u308f\u308c\u306a\u3044\u3068\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u304c\u751f\u3058\u3001\u4eca\u56de\u306e\u30a8\u30e9\u30fc\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n<figure style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/11\/DNS-Server.png\" alt=\"DNS\u30b5\u30fc\u30d0\u30fc\u306e\u4ed5\u7d44\u307f\" width=\"900\" height=\"680\"><figcaption class=\"wp-caption-text\">DNS\u30b5\u30fc\u30d0\u30fc\u306e\u4ed5\u7d44\u307f<\/figcaption><\/figure>\n<p>\u307e\u305f\u306f\u3001\u4f7f\u7528\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u306e\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u5024\u306e\u8a2d\u5b9a\u304c\u4f4e\u3044\u3053\u3068\u3082\u3002WordPress\u304c\u30b5\u30a4\u30c8\u3068\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u9593\u3067\u30c7\u30fc\u30bf\u3092\u8ee2\u9001\u3059\u308b\u306e\u306b\u5fc5\u8981\u306a\u6642\u9593\u304c\u78ba\u4fdd\u3055\u308c\u3066\u3044\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3042\u308b\u3044\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/topics\/wordpress-plugins\/\">WordPress\u30d7\u30e9\u30b0\u30a4\u30f3<\/a>\u304c\u539f\u56e0\u3068\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3082\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u306f\u3001cURL\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u51e6\u7406\u3092\u59a8\u3052\u308b\u30b3\u30fc\u30c9\u3084\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u300ccURL error 28: Connection timed out\u300d\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f\uff086\u3064\u306e\u65b9\u6cd5\uff09<\/h2>\n<p>\u300ccURL error 28\u300d\u306e\u6982\u8981\u3068\u539f\u56e0\u304c\u5206\u304b\u3063\u305f\u3068\u3053\u308d\u3067\u3001\u65e9\u901f\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3057\u307e\u3057\u3087\u3046\u3002\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u8868\u793a\u304c\u6d88\u3048\u308b\u307e\u3067\u3001\u3053\u308c\u304b\u3089\u3054\u7d39\u4ecb\u3059\u308b\u9806\u306b\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u884c\u306a\u3063\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u306a\u304a\u3001\u53ef\u80fd\u3067\u3042\u308c\u3070<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-staging-site\/\">\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u30b5\u30a4\u30c8\u3067\u5b9f\u884c<\/a>\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4f5c\u696d\u4e2d\u306b\u4e07\u304c\u4e00\u4f55\u304b\u3057\u3089\u306e\u554f\u984c\u304c\u767a\u751f\u3057\u3001\u672c\u756a\u30b5\u30a4\u30c8\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u3066\u3057\u307e\u3046\u5fc3\u914d\u304c\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>Kinsta\u306e\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d0\u30fc\u30d7\u30e9\u30f3\u3067\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/staging-environment\/#premium-staging-environments\">\u30d7\u30ec\u30df\u30a2\u30e0\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u74b0\u5883<\/a>\u3092\u3054\u7528\u610f\u3057\u3066\u3044\u307e\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/mykinsta\/\">MyKinsta<\/a>\u304b\u3089\u6700\u59275\u3064\u307e\u3067\u74b0\u5883\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u30b5\u30a4\u30c8\u3067\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3057\u305f\u5f8c\u306f\u3001\u5909\u66f4\u3092\u672c\u756a\u30b5\u30a4\u30c8\u306b\u53cd\u6620\u3059\u308b\u3060\u3051\u3067\u5b8c\u4e86\u3067\u3059\u3002\u307e\u305a\u306f\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u4e00\u6642\u7684\u306b\u7121\u52b9\u5316\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3054\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<h3>1. \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u4e00\u6642\u7684\u306b\u7121\u52b9\u5316\u3059\u308b<\/h3>\n<p>\u5148\u307b\u3069\u3001\u30d5\u30a1\u30a4\u30a2\u30fc\u30a6\u30a9\u30fc\u30eb\u304c\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u306b\u306a\u308b\u3053\u3068\u306b\u3064\u3044\u3066\u8a00\u53ca\u3057\u307e\u3057\u305f\u3002\u57fa\u672c\u7684\u306b\u3001\u3053\u306e<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-security\/\">WordPress\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u7b56<\/a>\u306f\u3001\u7591\u308f\u3057\u3044\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u691c\u51fa\u3057\u3001\u30b5\u30a4\u30c8\u306b\u5230\u9054\u3059\u308b\u306e\u3092\u672a\u7136\u306b\u9632\u3044\u3067\u304f\u308c\u308b\u3082\u306e\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u7a00\u306b\u6b63\u5f53\u306aREST API\u30ea\u30af\u30a8\u30b9\u30c8\u3082\u8aa4\u3063\u3066\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u3001\u3053\u308c\u304c\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u4e00\u6642\u7684\u306b\u7121\u52b9\u5316\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u624b\u9806\u306f\u3001\u4f7f\u7528\u3057\u3066\u3044\u308b\u3082\u306e\u306b\u3088\u3063\u3066\u82e5\u5e72\u7570\u306a\u308a\u307e\u3059\u304c\u3001\u4ee5\u4e0b\u3001<a href=\"https:\/\/wordpress.org\/plugins\/wordfence\/\" target=\"_blank\" rel=\"noopener noreferrer\">Wordfence<\/a>\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u3063\u305f\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u306f\u3001WordPress\u306e\u7ba1\u7406\u753b\u9762\u3067\u300c<strong>Wordfence<\/strong>\u300d\uff1e\u300c<strong>Firewall<\/strong>\u300d\u306b\u9032\u307f\u307e\u3059\u3002\u300c<strong>Web Application Firewall Status<\/strong>\u300d\u307e\u3067\u30b9\u30af\u30ed\u30fc\u30eb\u30c0\u30a6\u30f3\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<figure style=\"width: 1600px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/11\/disable-wordfence-firewall.jpg\" alt=\"Wordfence\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u7121\u52b9\u5316\" width=\"1600\" height=\"549\"><figcaption class=\"wp-caption-text\">Wordfence\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u7121\u52b9\u5316<\/figcaption><\/figure>\n<p>\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u30e1\u30cb\u30e5\u30fc\u304b\u3089\u300c<strong>Disabled<\/strong>\uff08\u7121\u52b9\u5316\uff09\u300d\u3092\u9078\u629e\u3057\u3066\u3001\u300c<strong>Save Changes<\/strong>\uff08\u5909\u66f4\u3092\u4fdd\u5b58\uff09\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002\u5909\u66f4\u3092\u4fdd\u5b58\u3057\u305f\u3089\u3001\u30a8\u30e9\u30fc\u304c\u6d88\u3048\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u305d\u306e\u5f8c\u3001\u6570\u5206\u7d4c\u3063\u3066\u304b\u3089\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u518d\u5ea6\u6709\u52b9\u5316\u3057\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u7121\u52b9\u5316\u306b\u3088\u3063\u3066\u89e3\u6c7a\u3057\u305f\u30a8\u30e9\u30fc\u304c\u518d\u3073\u8868\u793a\u3055\u308c\u308b\u5834\u5408\u306f\u3001\u5225\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u5229\u7528\u3059\u308b\u304b\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u958b\u767a\u8005\u306b\u554f\u3044\u5408\u308f\u305b\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>2. WordPress\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u7121\u52b9\u5316\u3059\u308b<\/h3>\n<p><a href=\"https:\/\/kinsta.com\/jp\/topics\/wordpress-plugins\/\">WordPress\u30d7\u30e9\u30b0\u30a4\u30f3<\/a>\u304c\u539f\u56e0\u306b\u306a\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306e\u78ba\u8a8d\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u3084\u3084\u624b\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u304c\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u7121\u52b9\u5316\u3057\u30011\u3064\u305a\u3064\u518d\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h4>WordPress\u7ba1\u7406\u753b\u9762\u3067\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u7121\u52b9\u5316\u3059\u308b\u65b9\u6cd5<\/h4>\n<p>WordPress\u306e\u7ba1\u7406\u753b\u9762\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u5834\u5408\u306f\u7c21\u5358\u3067\u3059\u3002\u300c<strong>\u30d7\u30e9\u30b0\u30a4\u30f3<\/strong>\u300d\uff1e\u300c<strong>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6e08\u307f\u30d7\u30e9\u30b0\u30a4\u30f3<\/strong>\u300d\u306b\u79fb\u52d5\u3057\u3001\u300c\u30d7\u30e9\u30b0\u30a4\u30f3\u300d\u306e\u5de6\u6a2a\u306b\u3042\u308b\u30dc\u30c3\u30af\u30b9\u306b\u30c1\u30a7\u30c3\u30af\u3092\u5165\u308c\u3066\u3001\u3059\u3079\u3066\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u9078\u629e\u3059\u308b\u3060\u3051\u3002\u305d\u308c\u304b\u3089\u300c<strong>\u4e00\u62ec\u64cd\u4f5c<\/strong>\u300d\u306e\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u30e1\u30cb\u30e5\u30fc\u304b\u3089\u300c<strong>\u505c\u6b62<\/strong>\u300d\u3092\u9078\u629e\u3057\u3066\u3001\u300c<strong>\u9069\u7528<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<figure style=\"width: 1600px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/11\/deactivate-plugins.jpg\" alt=\"\u3059\u3079\u3066\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4e00\u62ec\u3067\u7121\u52b9\u5316\" width=\"1600\" height=\"495\"><figcaption class=\"wp-caption-text\">\u3059\u3079\u3066\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4e00\u62ec\u3067\u7121\u52b9\u5316<\/figcaption><\/figure>\n<h4>MyKinsta\u3067\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u7121\u52b9\u5316\u3059\u308b\u65b9\u6cd5<\/h4>\n<p>Kinsta\u3092\u3054\u5229\u7528\u306e\u5834\u5408\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/mykinsta\/\">MyKinsta<\/a>\u5185\u3067\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u6709\u52b9\u307e\u305f\u306f\u7121\u52b9\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff08<a href=\"https:\/\/kinsta.com\/jp\/blog\/kinsta-automatic-updates\/\">\u30d7\u30e9\u30b0\u30a4\u30f3\u3068\u30c6\u30fc\u30de\u306e\u5b89\u5168\u306a\u81ea\u52d5\u66f4\u65b0<\/a>\u3082\u53ef\u80fd\uff09\u3002\u30ed\u30b0\u30a4\u30f3\u5f8c\u3001\u300c<strong>WordPress\u30b5\u30a4\u30c8<\/strong>\u300d\uff1e\u300c<strong>\u30d7\u30e9\u30b0\u30a4\u30f3<\/strong>\u300d\u306b\u79fb\u52d5\u3057\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u540d\u3068\u30b5\u30a4\u30c8\u306e\u6a2a\u306b\u3042\u308b\u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u3092\u4f7f\u3063\u3066\u8a72\u5f53\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_64590\" aria-describedby=\"caption-attachment-64590\" style=\"width: 2030px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-64590 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/08\/plugins-deactivate.png\" alt=\"MyKinsta\u3067\u4e00\u62ec\u64cd\u4f5c\u6a5f\u80fd\u3092\u4f7f\u3063\u3066\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u7121\u52b9\u5316\" width=\"2030\" height=\"938\" srcset=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/08\/plugins-deactivate.png 2030w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/08\/plugins-deactivate-300x139.png 300w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/08\/plugins-deactivate-1024x473.png 1024w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/08\/plugins-deactivate-768x355.png 768w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/08\/plugins-deactivate-1536x710.png 1536w\" sizes=\"auto, (max-width: 2030px) 100vw, 2030px\" \/><figcaption id=\"caption-attachment-64590\" class=\"wp-caption-text\">MyKinsta\u3067\u4e00\u62ec\u64cd\u4f5c\u6a5f\u80fd\u3092\u4f7f\u3063\u3066\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u7121\u52b9\u5316<\/figcaption><\/figure>\n<p>\u9078\u629e\u5f8c\u3001\u53f3\u4e0a\u306e\u300c<strong>\u64cd\u4f5c<\/strong>\u300d\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u3092\u958b\u304d\u3001\u300c<strong>\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u7121\u52b9\u5316<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002\u7121\u52b9\u306b\u3057\u305f\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u3001\u540c\u3058\u64cd\u4f5c\u3067\u6709\u52b9\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h4>SFTP\u3067\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u7121\u52b9\u5316\u3059\u308b\u65b9\u6cd5<\/h4>\n<p>Kinsta\u306e\u304a\u5ba2\u69d8\u4ee5\u5916\u3067\u3001\u30a8\u30e9\u30fc\u304c\u539f\u56e0\u3067\u7ba1\u7406\u753b\u9762\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u5834\u5408\u306b\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/disable-wordpress-plugins\/\">\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u624b\u52d5\u3067\u7121\u52b9\u5316<\/a>\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<a href=\"https:\/\/kinsta.com\/blog\/how-to-use-filezilla\/\">FileZilla<\/a>\u306a\u3069\u306e<a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-use-sftp\/\">SFTP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u30b5\u30a4\u30c8\u306b\u63a5\u7d9a<\/a>\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><strong>wp-content<\/strong>\u30d5\u30a9\u30eb\u30c0\u3092\u958b\u3044\u3066\u3001\u300c<strong>plugins<\/strong>\u300d\u3068\u3044\u3046\u540d\u524d\u306e\u30b5\u30d6\u30d5\u30a9\u30eb\u30c0\u3092\u898b\u3064\u3051\u307e\u3059\u3002<\/p>\n<figure style=\"width: 918px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/11\/how-to-disable-wordpress-plugins.png\" alt=\"\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u624b\u52d5\u3067\u7121\u52b9\u5316\" width=\"918\" height=\"534\"><figcaption class=\"wp-caption-text\">\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u624b\u52d5\u3067\u7121\u52b9\u5316<\/figcaption><\/figure>\n<p>\u3053\u306e\u30d5\u30a9\u30eb\u30c0\u540d\u3092\u300cplugins-old\u300d\u306b\u5909\u66f4\u3059\u308b\u3068\u3001\u3059\u3079\u3066\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u7121\u52b9\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001WordPress\u306e\u7ba1\u7406\u753b\u9762\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u3001\u554f\u984c\u306e\u539f\u56e0\u3068\u306a\u3063\u3066\u3044\u308b\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u7279\u5b9a\u3059\u308b\u307e\u3067\u30011\u3064\u305a\u3064\u6709\u52b9\u5316\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u7279\u5b9a\u3057\u305f\u3089\u3001\u9577\u671f\u7684\u306a\u89e3\u6c7a\u65b9\u6cd5\u3092\u898b\u3064\u3051\u308b\u307e\u3067\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/downgrade-wordpress\/\">WordPress\u3092\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u623b\u3059<\/a>\u306e\u304c\u5f97\u7b56\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u307e\u305f\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/uninstall-wordpress-plugin\/\">\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/a>\u3057\u3001\u4ee3\u66ff\u3068\u306a\u308b\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u63a2\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>3. SSL\u8a2d\u5b9a\u3092\u898b\u76f4\u3059<\/h3>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/types-of-ssl-certificates\/\">SSL\uff08\u30bb\u30ad\u30e5\u30a2\u30fb\u30bd\u30b1\u30c3\u30c4\u30fb\u30ec\u30a4\u30e4\u30fc\uff09<\/a>\u306f\u3001\u8a2a\u554f\u8005\u306e\u30d6\u30e9\u30a6\u30b6\u3068WordPress\u30b5\u30a4\u30c8\u3068\u306e\u9593\u3067\u6697\u53f7\u5316\u3055\u308c\u305f\u63a5\u7d9a\u3092\u884c\u3046\u4ed5\u7d44\u307f\u3067\u3042\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u3001\u4e0d\u53ef\u6b20\u306a\u6a5f\u80fd\u3067\u3059\u3002<\/p>\n<p>SSL\u8a3c\u660e\u66f8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3084\u8a2d\u5b9a\u304c\u9069\u5207\u306b\u884c\u308f\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u30b5\u30a4\u30c8\u306b\u4e0d\u5177\u5408\u304c\u751f\u3058\u3001\u5b89\u5168\u3067\u306a\u3044\u3068\u5224\u65ad\u3055\u308c\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u304c\u3001\u300ccURL error 28\u300d\u3084\u300ccURL error 27\u300d\u306a\u3069\u306e<a href=\"https:\/\/kinsta.com\/jp\/blog\/ssl-connection-error\/\">SSL\u63a5\u7d9a<\/a>\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002<\/p>\n<p>SSL\u8a3c\u660e\u66f8\u304c\u6b63\u3057\u304f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001\u307e\u305a\u3001Qualys SSL Labs\u306e<a href=\"https:\/\/kinsta.com\/blog\/ssl-check\/\">SSL\u63a5\u7d9a\u30c6\u30b9\u30c8\u3092\u5b9f\u884c<\/a>\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u300cHostname\u300d\u306e\u6a2a\u306b\u3042\u308b\u30dc\u30c3\u30af\u30b9\u306b\u30b5\u30a4\u30c8\u540d\u3092\u5165\u529b\u3057\u3001\u300c<strong>Submit<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002\u554f\u984c\u304c\u3042\u308b\u5834\u5408\u306b\u306f\u3001\u6b21\u306e\u753b\u9762\u3067\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1600px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/11\/ssl-check-report-1.jpg\" alt=\"Qualys SSL Labs\u306eSSL\u63a5\u7d9a\u30c6\u30b9\u30c8\" width=\"1600\" height=\"741\"><figcaption class=\"wp-caption-text\">Qualys SSL Labs\u306eSSL\u63a5\u7d9a\u30c6\u30b9\u30c8<\/figcaption><\/figure>\n<p>\u4e0a\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u306f\u3001Kinsta\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u4f8b\u3067\u3059\u3002Cloudflare SSL\u8a3c\u660e\u66f8\u304c\u9069\u5207\u306b\u5c0e\u5165\u3055\u308c\u3066\u304a\u308a\u3001\u554f\u984c\u304c\u306a\u3044\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>SSL\u8a3c\u660e\u66f8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306b\u554f\u984c\u304c\u3042\u308b\u5834\u5408\u306b\u306f\u3001\u8a3c\u660e\u66f8\u3092\u518d\u5ea6\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u9069\u5207\u306b\u518d\u8a2d\u5b9a\u3092\u884c\u306a\u3063\u3066\u304f\u3060\u3055\u3044\u3002<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/wordpress-domains\/wordpress-ssl-certificates\/\">SSL\u8a3c\u660e\u66f8\u306e\u6b63\u3057\u3044\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u624b\u9806\u306b\u3064\u3044\u3066\u306f\u3053\u3061\u3089<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002\u8a2d\u5b9a\u3092\u7d42\u3048\u305f\u3089\u3001\u554f\u984c\u304c\u306a\u3044\u304b\u3069\u3046\u304b\u4e0a\u8a18\u306e\u65b9\u6cd5\u3067\u518d\u5ea6\u30c6\u30b9\u30c8\u3092\u5b9f\u884c\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>4. DNS\u306e\u8a2d\u5b9a\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n<p>\u5148\u306b\u3082\u89e6\u308c\u307e\u3057\u305f\u304c\u3001DNS\u30b5\u30fc\u30d0\u30fc\u304c\u6b63\u3057\u304f\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001WordPress\u304c<a href=\"https:\/\/kinsta.com\/jp\/blog\/javascript-http-request\/\">HTTP\u30ea\u30af\u30a8\u30b9\u30c8<\/a>\u3092\u51e6\u7406\u3067\u304d\u306a\u304f\u306a\u308a\u3001\u300ccURL error 28\u300d\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>DNS\u30b5\u30fc\u30d0\u30fc\u81ea\u4f53\u306b\u554f\u984c\u304c\u3042\u308b\u5834\u5408\u3001\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u306b\u554f\u984c\u304c\u3042\u308a\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3059\u308b\u524d\u306b\u30b5\u30fc\u30d0\u30fc\u5074\u3067\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3067\u304d\u306a\u304f\u306a\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u30e6\u30fc\u30b6\u30fc\u5074\u3067\u884c\u3048\u308b\u3053\u3068\u304c\u306a\u3044\u305f\u3081\u3001\u5229\u7528\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u306e\u30ab\u30b9\u30bf\u30de\u30fc\u30b5\u30dd\u30fc\u30c8\u306b\u9023\u7d61\u3057\u3066\u3001\u554f\u984c\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3068<a href=\"https:\/\/kinsta.com\/jp\/blog\/dns-propagation\/\">\u9069\u5207\u306aDNS\u8a2d\u5b9a\u306e\u4f1d\u642c<\/a>\u65b9\u6cd5\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n<p>\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u304c\u4f7f\u7528\u3057\u3066\u3044\u308b\u30c7\u30d0\u30a4\u30b9\uff08\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\uff09\u306b\u3042\u308b\u3068\u4e88\u60f3\u3055\u308c\u308b\u5834\u5408\u306f\u3001\u81ea\u5206\u3067DNS\u8a2d\u5b9a\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Windows\u3067DNS\u8a2d\u5b9a\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001\u300c<strong>Windows + I<\/strong>\u300d\u3092\u62bc\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u300c<strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8<\/strong>\u300d\u306b\u9032\u3093\u3067\u3001\u4f7f\u7528\u3057\u3066\u3044\u308b\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u65b9\u6cd5\u306b\u5fdc\u3058\u3066\u3001\u300c<strong>\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8<\/strong>\u300d\u307e\u305f\u306f\u300c<strong>Wi-Fi<\/strong>\u300d\u306e\u3069\u3061\u3089\u304b\u3092\u9078\u3073\u307e\u3059\u3002\u6b21\u306b\u300c<strong>\u30d7\u30ed\u30d1\u30c6\u30a3<\/strong>\u300d\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<figure style=\"width: 1600px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/11\/wifi-settings.jpg\" alt=\"Windows\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a\" width=\"1600\" height=\"684\"><figcaption class=\"wp-caption-text\">Windows\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a<\/figcaption><\/figure>\n<p>\u300c<strong>DNS\u30b5\u30fc\u30d0\u30fc\u306e\u5272\u308a\u5f53\u3066<\/strong>\u300d\u3092\u958b\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1441px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/11\/dns-server-assignment.jpg\" alt=\"\u300cDNS\u30b5\u30fc\u30d0\u30fc\u306e\u5272\u308a\u5f53\u3066\u300d\u8a2d\u5b9a\" width=\"1441\" height=\"921\"><figcaption class=\"wp-caption-text\">\u300cDNS\u30b5\u30fc\u30d0\u30fc\u306e\u5272\u308a\u5f53\u3066\u300d\u8a2d\u5b9a<\/figcaption><\/figure>\n<p>\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u30e1\u30cb\u30e5\u30fc\u304b\u3089\u300c<strong>\u624b\u52d5<\/strong>\u300d\u3092\u9078\u629e\u3057\u3001\u300c<strong>IPv4<\/strong>\u300d\u306e\u96a3\u306b\u3042\u308b\u30b9\u30e9\u30a4\u30c0\u30fc\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1242px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/11\/network-dns-settings.jpg\" alt=\"DNS\u306e\u624b\u52d5\u8a2d\u5b9a\u3092\u6709\u52b9\u5316\" width=\"1242\" height=\"991\"><figcaption class=\"wp-caption-text\">DNS\u306e\u624b\u52d5\u8a2d\u5b9a\u3092\u6709\u52b9\u5316<\/figcaption><\/figure>\n<p>\u300c<strong>\u512a\u5148DNS<\/strong>\u300d\u30dc\u30c3\u30af\u30b9\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3044\u305a\u308c\u304b\u306eDNS\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li>Cloudflare: <strong>1.1.1.1<\/strong><\/li>\n<li>Google Public DNS: <strong>8.8.8.8<\/strong><\/li>\n<li>OpenDNS: <strong>208.67.222.222<\/strong><\/li>\n<\/ul>\n<p>\u300c<strong>\u4ee3\u66ffDNS<\/strong>\u300d\u30dc\u30c3\u30af\u30b9\u306b\u306f\u3001\u4e0a\u3067\u9078\u3070\u306a\u304b\u3063\u305f\u3069\u3061\u3089\u304b\u3092\u5165\u529b\u3057\u307e\u3059\u3002\u5b8c\u4e86\u3057\u305f\u3089\u3001\u300c<strong>\u4fdd\u5b58<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u7d42\u4e86\u3067\u3059\uff08\u5909\u66f4\u306e\u53cd\u6620\u306b\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u518d\u8d77\u52d5\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\uff09\u3002<\/p>\n<h3>5. \u30b5\u30fc\u30d0\u30fc\u306e\u5236\u9650\u3068cURL\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n<p>\u53e4\u3044\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3084\u3001\u30b5\u30fc\u30d0\u30fc\u30ea\u30bd\u30fc\u30b9\u306e\u5236\u9650\u304ccURL\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306e\u539f\u56e0\u306b\u306a\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/php-benchmarks\/\">PHP<\/a>\u3084cURL\u3001OpenSSL\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u53e4\u3044\u5834\u5408\u3001\u300ccURL error 28\u300d\u304c\u751f\u3058\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001WordPress\u7ba1\u7406\u753b\u9762\u3067\u300c<strong>\u30c4\u30fc\u30eb<\/strong>\u300d\uff1e\u300c<strong>\u30b5\u30a4\u30c8\u30d8\u30eb\u30b9<\/strong>\u300d\uff1e\u300c<strong>\u60c5\u5831<\/strong>\u300d\u306b\u9032\u3093\u3067\u3001\u300c<strong>\u30b5\u30fc\u30d0\u30fc<\/strong>\u300d\u3092\u958b\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1183px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/11\/wordpress-server-settings.jpg\" alt=\"WordPress\u306e\u30b5\u30fc\u30d0\u30fc\u8a2d\u5b9a\u3092\u78ba\u8a8d\" width=\"1183\" height=\"787\"><figcaption class=\"wp-caption-text\">WordPress\u306e\u30b5\u30fc\u30d0\u30fc\u8a2d\u5b9a\u3092\u78ba\u8a8d<\/figcaption><\/figure>\n<p><a href=\"https:\/\/kinsta.com\/blog\/wordpress-server-requirements\/\">\u63a8\u5968PHP\u3068\u30b5\u30fc\u30d0\u30fc\u306e\u6761\u4ef6\u306b\u95a2\u3059\u308b\u89e3\u8aac\u8a18\u4e8b<\/a>\u3092\u53c2\u7167\u3057\u3066\u3001\u5404\u5024\u304c\u4e00\u81f4\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u4e00\u81f4\u3057\u306a\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-update-php-in-wordpress\/\">PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5909\u66f4\u3059\u308b\u65b9\u6cd5<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u306f\u3001\u5229\u7528\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u3066\u3001\u30b5\u30dd\u30fc\u30c8\u3092\u53d7\u3051\u305f\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u69cb\u6210\u306e\u5909\u66f4\u3092\u4f9d\u983c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u307e\u305f\u3001<a href=\"https:\/\/kinsta.com\/blog\/php-memory-limit\/\">\u30b5\u30a4\u30c8\u306ePHP\u30e1\u30e2\u30ea\u5236\u9650<\/a>\u3068\u6642\u9593\u5236\u9650\u3092\u3042\u308b\u7a0b\u5ea6\u628a\u63e1\u3057\u3066\u304a\u304f\u3053\u3068\u3082\u91cd\u8981\u3067\u3059\u3002\u30e1\u30e2\u30ea\u304c\u4e0d\u8db3\u3057\u3066\u3044\u308b\u3068\u3001REST API\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3059\u308b\u969b\u306b\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u305d\u306e\u7d50\u679c\u3001<a href=\"https:\/\/kinsta.com\/blog\/resource-limit-is-reached\/\">\u300c508 Resource Limit Is Reached\u300d\u30a8\u30e9\u30fc<\/a>\u3001\u307e\u305f\u306f\u305d\u306e\u4ed6\u306ecURL\u30a8\u30e9\u30fc\u306b\u3064\u306a\u304c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u7e70\u308a\u8fd4\u3057\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u901a\u5e38\u3001\u3053\u306e\u5236\u9650\u306e\u6700\u5927\u5024\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u3067\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5236\u9650\u3092\u5f15\u304d\u4e0a\u3052\u308b\u306b\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>6. \u30b5\u30fc\u30d0\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u308b<\/h3>\n<p>\u4e0a\u8a185\u3064\u306e\u3059\u3079\u3066\u306e\u65b9\u6cd5\u3092\u5b9f\u884c\u3057\u3066\u3082\u89e3\u6c7a\u3057\u306a\u3044\u5834\u5408\u306b\u306f\u3001\u6700\u5f8c\u306e\u624b\u6bb5\u3068\u3057\u3066\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u9023\u7d61\u3092\u53d6\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30b5\u30fc\u30d0\u30fc\u3067\u3042\u308c\u3070\u3001\u30e9\u30a4\u30d6\u30c1\u30e3\u30c3\u30c8\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u30b5\u30dd\u30fc\u30c8\u30c1\u30e3\u30cd\u30eb\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u306f\u305a\u3067\u3059\u3002Kinsta\u306e\u5834\u5408\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/kinsta-support\/\">\u30e9\u30a4\u30d6\u30c1\u30e3\u30c3\u30c8\u3067\u3059\u3050\u306b\u30b5\u30dd\u30fc\u30c8\u30b9\u30bf\u30c3\u30d5\u306b\u304a\u554f\u5408\u305b<\/a>\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1600px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/11\/kinsta-support.jpg\" alt=\"Kinsta\u306e\u30ab\u30b9\u30bf\u30de\u30fc\u30b5\u30dd\u30fc\u30c8\" width=\"1600\" height=\"556\"><figcaption class=\"wp-caption-text\">Kinsta\u306e\u30ab\u30b9\u30bf\u30de\u30fc\u30b5\u30dd\u30fc\u30c8<\/figcaption><\/figure>\n<p>\u306a\u304a\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u308b\u969b\u306b\u306f\u3001\u52b9\u7387\u7684\u306b\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u3001\u906d\u9047\u3057\u305f\u30a8\u30e9\u30fc\u306b\u3064\u3044\u3066\u3067\u304d\u308b\u9650\u308a\u8a73\u7d30\u306a\u60c5\u5831\u3092\u63d0\u793a\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u300ccURL error 28: Connection timed out\u300d\u306f\u3001\u30b5\u30a4\u30c8\u306e\u7de8\u96c6\u4e2d\u306b\u8868\u793a\u3055\u308c\u308b\u3068\u9762\u5012\u306a\u30a8\u30e9\u30fc\u3067\u3059\u3002\u5e78\u3044\u3001\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u65b9\u6cd5\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u306f\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3084\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4e00\u6642\u7684\u306b\u7121\u52b9\u5316\u3059\u308b\u3088\u3046\u306a\u3001\u7c21\u5358\u306a\u65b9\u6cd5\u304b\u3089\u5b9f\u884c\u3059\u308b\u306e\u304c\u304a\u52e7\u3081\u3067\u3059\u3002\u305d\u308c\u3067\u3082\u89e3\u6c7a\u3057\u306a\u3044\u5834\u5408\u306f\u3001SSL\u3068DNS\u8a2d\u5b9a\u3001\u305d\u3057\u3066\u30b5\u30fc\u30d0\u30fc\u30ea\u30bd\u30fc\u30b9\u306e\u4e0a\u9650\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3059\u3079\u3066\u3092\u5b9f\u884c\u3057\u3066\u3082\u3046\u307e\u304f\u3044\u304b\u306a\u3044\u5834\u5408\u306f\u3001\u304a\u4f7f\u3044\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u3066\u30b5\u30dd\u30fc\u30c8\u3092\u53d7\u3051\u308b\u306e\u304c\u8ce2\u660e\u3067\u3059\u3002<\/p>\n<p>\u6280\u8853\u7684\u306a\u554f\u984c\u306b\u3082\u5bfe\u5fdc\u3057\u3066\u304f\u308c\u308b\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30b5\u30fc\u30d0\u30fc\u3092\u304a\u63a2\u3057\u3067\u3059\u304b\uff1fKinsta\u306e<a href=\"https:\/\/kinsta.com\/jp\/wordpress-hosting\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u30de\u30cd\u30fc\u30b8\u30c9WordPress\u5c02\u7528\u30b5\u30fc\u30d0\u30fc\u30d7\u30e9\u30f3<\/a>\u306a\u3089\u300124\u6642\u9593\u5e74\u4e2d\u7121\u4f11\u3067\u30ab\u30b9\u30bf\u30de\u30fc\u30b5\u30dd\u30fc\u30c8\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3055\u3089\u306b\u3001<a href=\"https:\/\/kinsta.com\/jp\/apm-tool\/\">APM\u30c4\u30fc\u30eb<\/a>\u3067\u30b5\u30a4\u30c8\u3092\u76e3\u8996\u3057\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002\u305c\u3072Kinsta\u306e\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d0\u30fc\u30d7\u30e9\u30f3\u3092\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>WordPress\u306f\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30b3\u30f3\u30c6\u30f3\u30c4\u7ba1\u7406\u30b7\u30b9\u30c6 &#8230;<\/p>\n","protected":false},"author":199,"featured_media":39242,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kinsta_gated_content":false,"_kinsta_gated_content_redirect":"","footnotes":""},"tags":[516,593,649],"topic":[830],"class_list":["post-39241","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","tag-browser-errors","tag-http-errors","tag-wordpress-errors","topic-wordpress-issues"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.6 (Yoast SEO v24.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u300ccURL error 28: Connection timed out\u300d\u30a8\u30e9\u30fc\u89e3\u6c7a\u65b9\u6cd5<\/title>\n<meta name=\"description\" content=\"cURL\uff08\u307e\u305f\u306e\u540d\u3092Client URL\uff09\u306f\u4fbf\u5229\u306a\u30b3\u30de\u30f3\u30c9\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001cURL\u306e\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b6\u3064\u306e\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u30106\u3064\u306e\u65b9\u6cd5\u3011\u300ccURL error 28: Connection timed out\u300d\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f\" \/>\n<meta property=\"og:description\" content=\"cURL\uff08\u307e\u305f\u306e\u540d\u3092Client URL\uff09\u306f\u4fbf\u5229\u306a\u30b3\u30de\u30f3\u30c9\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001cURL\u306e\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b6\u3064\u306e\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/\" \/>\n<meta property=\"og:site_name\" content=\"Kinsta\u00ae\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Kinsta-Japan-334616080691171\/\" \/>\n<meta property=\"article:published_time\" content=\"2022-11-21T11:44:22+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-01T19:47:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2022\/11\/curl-error-28-connection-timed-out.jpg\" \/>\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\/jpeg\" \/>\n<meta name=\"author\" content=\"Jeremy Holcombe\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:description\" content=\"cURL\uff08\u307e\u305f\u306e\u540d\u3092Client URL\uff09\u306f\u4fbf\u5229\u306a\u30b3\u30de\u30f3\u30c9\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001cURL\u306e\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b6\u3064\u306e\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2022\/11\/curl-error-28-connection-timed-out.jpg\" \/>\n<meta name=\"twitter:creator\" content=\"@Kinsta_JP\" \/>\n<meta name=\"twitter:site\" content=\"@Kinsta_JP\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jeremy Holcombe\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"4\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/\"},\"author\":{\"name\":\"Jeremy Holcombe\",\"@id\":\"https:\/\/kinsta.com\/jp\/#\/schema\/person\/4eee42881d7b5a73ebb4f58dd5223b21\"},\"headline\":\"\u30106\u3064\u306e\u65b9\u6cd5\u3011\u300ccURL error 28: Connection timed out\u300d\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f\",\"datePublished\":\"2022-11-21T11:44:22+00:00\",\"dateModified\":\"2025-10-01T19:47:56+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/\"},\"wordCount\":296,\"publisher\":{\"@id\":\"https:\/\/kinsta.com\/jp\/#organization\"},\"image\":{\"@id\":\"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2022\/11\/curl-error-28-connection-timed-out.jpg\",\"keywords\":[\"Browser Errors\",\"HTTP Errors\",\"wordpress errors\"],\"inLanguage\":\"ja\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/\",\"url\":\"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/\",\"name\":\"\u300ccURL error 28: Connection timed out\u300d\u30a8\u30e9\u30fc\u89e3\u6c7a\u65b9\u6cd5\",\"isPartOf\":{\"@id\":\"https:\/\/kinsta.com\/jp\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2022\/11\/curl-error-28-connection-timed-out.jpg\",\"datePublished\":\"2022-11-21T11:44:22+00:00\",\"dateModified\":\"2025-10-01T19:47:56+00:00\",\"description\":\"cURL\uff08\u307e\u305f\u306e\u540d\u3092Client URL\uff09\u306f\u4fbf\u5229\u306a\u30b3\u30de\u30f3\u30c9\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001cURL\u306e\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b6\u3064\u306e\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\",\"breadcrumb\":{\"@id\":\"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/#primaryimage\",\"url\":\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2022\/11\/curl-error-28-connection-timed-out.jpg\",\"contentUrl\":\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2022\/11\/curl-error-28-connection-timed-out.jpg\",\"width\":1460,\"height\":730},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/kinsta.com\/jp\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"WordPress\u306e\u554f\u984c\u3068\u5bfe\u51e6\",\"item\":\"https:\/\/kinsta.com\/jp\/topics\/wordpress-issues\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"\u30106\u3064\u306e\u65b9\u6cd5\u3011\u300ccURL error 28: Connection timed out\u300d\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/kinsta.com\/jp\/#website\",\"url\":\"https:\/\/kinsta.com\/jp\/\",\"name\":\"Kinsta\u00ae\",\"description\":\"\u9ad8\u901f\u304b\u3064\u5805\u7262\u306a\u30d7\u30ec\u30df\u30a2\u30e0\u30b5\u30fc\u30d0\u30fc\u30b5\u30fc\u30d3\u30b9\",\"publisher\":{\"@id\":\"https:\/\/kinsta.com\/jp\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/kinsta.com\/jp\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/kinsta.com\/jp\/#organization\",\"name\":\"Kinsta\",\"url\":\"https:\/\/kinsta.com\/jp\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/kinsta.com\/jp\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/12\/kinsta-logo.jpeg\",\"contentUrl\":\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/12\/kinsta-logo.jpeg\",\"width\":500,\"height\":500,\"caption\":\"Kinsta\"},\"image\":{\"@id\":\"https:\/\/kinsta.com\/jp\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/Kinsta-Japan-334616080691171\/\",\"https:\/\/x.com\/Kinsta_JP\",\"https:\/\/www.instagram.com\/kinstahosting\/\",\"https:\/\/www.linkedin.com\/company\/kinsta\/\",\"https:\/\/www.pinterest.com\/kinstahosting\/\",\"https:\/\/www.youtube.com\/c\/Kinsta\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/kinsta.com\/jp\/#\/schema\/person\/4eee42881d7b5a73ebb4f58dd5223b21\",\"name\":\"Jeremy Holcombe\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/kinsta.com\/jp\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/0e17001f3bb37dbbe54fceef9bb547fa?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/0e17001f3bb37dbbe54fceef9bb547fa?s=96&d=mm&r=g\",\"caption\":\"Jeremy Holcombe\"},\"description\":\"Senior Editor at Kinsta, WordPress Web Developer, and Content Writer. Outside of all things WordPress, I enjoy the beach, golf, and movies. I also have tall people problems.\",\"sameAs\":[\"https:\/\/www.linkedin.com\/in\/jeremyholcombe\/\"],\"url\":\"https:\/\/kinsta.com\/jp\/blog\/author\/jeremyholcombe\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u300ccURL error 28: Connection timed out\u300d\u30a8\u30e9\u30fc\u89e3\u6c7a\u65b9\u6cd5","description":"cURL\uff08\u307e\u305f\u306e\u540d\u3092Client URL\uff09\u306f\u4fbf\u5229\u306a\u30b3\u30de\u30f3\u30c9\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001cURL\u306e\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b6\u3064\u306e\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/","og_locale":"ja_JP","og_type":"article","og_title":"\u30106\u3064\u306e\u65b9\u6cd5\u3011\u300ccURL error 28: Connection timed out\u300d\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f","og_description":"cURL\uff08\u307e\u305f\u306e\u540d\u3092Client URL\uff09\u306f\u4fbf\u5229\u306a\u30b3\u30de\u30f3\u30c9\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001cURL\u306e\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b6\u3064\u306e\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002","og_url":"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/","og_site_name":"Kinsta\u00ae","article_publisher":"https:\/\/www.facebook.com\/Kinsta-Japan-334616080691171\/","article_published_time":"2022-11-21T11:44:22+00:00","article_modified_time":"2025-10-01T19:47:56+00:00","og_image":[{"width":1460,"height":730,"url":"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2022\/11\/curl-error-28-connection-timed-out.jpg","type":"image\/jpeg"}],"author":"Jeremy Holcombe","twitter_card":"summary_large_image","twitter_description":"cURL\uff08\u307e\u305f\u306e\u540d\u3092Client URL\uff09\u306f\u4fbf\u5229\u306a\u30b3\u30de\u30f3\u30c9\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001cURL\u306e\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b6\u3064\u306e\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002","twitter_image":"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2022\/11\/curl-error-28-connection-timed-out.jpg","twitter_creator":"@Kinsta_JP","twitter_site":"@Kinsta_JP","twitter_misc":{"\u57f7\u7b46\u8005":"Jeremy Holcombe","\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593":"4\u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/#article","isPartOf":{"@id":"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/"},"author":{"name":"Jeremy Holcombe","@id":"https:\/\/kinsta.com\/jp\/#\/schema\/person\/4eee42881d7b5a73ebb4f58dd5223b21"},"headline":"\u30106\u3064\u306e\u65b9\u6cd5\u3011\u300ccURL error 28: Connection timed out\u300d\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f","datePublished":"2022-11-21T11:44:22+00:00","dateModified":"2025-10-01T19:47:56+00:00","mainEntityOfPage":{"@id":"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/"},"wordCount":296,"publisher":{"@id":"https:\/\/kinsta.com\/jp\/#organization"},"image":{"@id":"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/#primaryimage"},"thumbnailUrl":"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2022\/11\/curl-error-28-connection-timed-out.jpg","keywords":["Browser Errors","HTTP Errors","wordpress errors"],"inLanguage":"ja"},{"@type":"WebPage","@id":"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/","url":"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/","name":"\u300ccURL error 28: Connection timed out\u300d\u30a8\u30e9\u30fc\u89e3\u6c7a\u65b9\u6cd5","isPartOf":{"@id":"https:\/\/kinsta.com\/jp\/#website"},"primaryImageOfPage":{"@id":"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/#primaryimage"},"image":{"@id":"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/#primaryimage"},"thumbnailUrl":"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2022\/11\/curl-error-28-connection-timed-out.jpg","datePublished":"2022-11-21T11:44:22+00:00","dateModified":"2025-10-01T19:47:56+00:00","description":"cURL\uff08\u307e\u305f\u306e\u540d\u3092Client URL\uff09\u306f\u4fbf\u5229\u306a\u30b3\u30de\u30f3\u30c9\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001cURL\u306e\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b6\u3064\u306e\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002","breadcrumb":{"@id":"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/#primaryimage","url":"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2022\/11\/curl-error-28-connection-timed-out.jpg","contentUrl":"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2022\/11\/curl-error-28-connection-timed-out.jpg","width":1460,"height":730},{"@type":"BreadcrumbList","@id":"https:\/\/kinsta.com\/jp\/blog\/curl-error-28\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/kinsta.com\/jp\/"},{"@type":"ListItem","position":2,"name":"WordPress\u306e\u554f\u984c\u3068\u5bfe\u51e6","item":"https:\/\/kinsta.com\/jp\/topics\/wordpress-issues\/"},{"@type":"ListItem","position":3,"name":"\u30106\u3064\u306e\u65b9\u6cd5\u3011\u300ccURL error 28: Connection timed out\u300d\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f"}]},{"@type":"WebSite","@id":"https:\/\/kinsta.com\/jp\/#website","url":"https:\/\/kinsta.com\/jp\/","name":"Kinsta\u00ae","description":"\u9ad8\u901f\u304b\u3064\u5805\u7262\u306a\u30d7\u30ec\u30df\u30a2\u30e0\u30b5\u30fc\u30d0\u30fc\u30b5\u30fc\u30d3\u30b9","publisher":{"@id":"https:\/\/kinsta.com\/jp\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/kinsta.com\/jp\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Organization","@id":"https:\/\/kinsta.com\/jp\/#organization","name":"Kinsta","url":"https:\/\/kinsta.com\/jp\/","logo":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/kinsta.com\/jp\/#\/schema\/logo\/image\/","url":"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/12\/kinsta-logo.jpeg","contentUrl":"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/12\/kinsta-logo.jpeg","width":500,"height":500,"caption":"Kinsta"},"image":{"@id":"https:\/\/kinsta.com\/jp\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/Kinsta-Japan-334616080691171\/","https:\/\/x.com\/Kinsta_JP","https:\/\/www.instagram.com\/kinstahosting\/","https:\/\/www.linkedin.com\/company\/kinsta\/","https:\/\/www.pinterest.com\/kinstahosting\/","https:\/\/www.youtube.com\/c\/Kinsta"]},{"@type":"Person","@id":"https:\/\/kinsta.com\/jp\/#\/schema\/person\/4eee42881d7b5a73ebb4f58dd5223b21","name":"Jeremy Holcombe","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/kinsta.com\/jp\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/0e17001f3bb37dbbe54fceef9bb547fa?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/0e17001f3bb37dbbe54fceef9bb547fa?s=96&d=mm&r=g","caption":"Jeremy Holcombe"},"description":"Senior Editor at Kinsta, WordPress Web Developer, and Content Writer. Outside of all things WordPress, I enjoy the beach, golf, and movies. I also have tall people problems.","sameAs":["https:\/\/www.linkedin.com\/in\/jeremyholcombe\/"],"url":"https:\/\/kinsta.com\/jp\/blog\/author\/jeremyholcombe\/"}]}},"acf":[],"_links":{"self":[{"href":"https:\/\/kinsta.com\/jp\/wp-json\/wp\/v2\/posts\/39241","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kinsta.com\/jp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kinsta.com\/jp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kinsta.com\/jp\/wp-json\/wp\/v2\/users\/199"}],"replies":[{"embeddable":true,"href":"https:\/\/kinsta.com\/jp\/wp-json\/wp\/v2\/comments?post=39241"}],"version-history":[{"count":10,"href":"https:\/\/kinsta.com\/jp\/wp-json\/wp\/v2\/posts\/39241\/revisions"}],"predecessor-version":[{"id":64594,"href":"https:\/\/kinsta.com\/jp\/wp-json\/wp\/v2\/posts\/39241\/revisions\/64594"}],"alternate":[{"embeddable":true,"hreflang":"en","title":"English","href":"https:\/\/kinsta.com\/jp\/wp-json\/kinsta\/v1\/posts\/39241\/translations\/en"},{"embeddable":true,"hreflang":"it","title":"Italian","href":"https:\/\/kinsta.com\/jp\/wp-json\/kinsta\/v1\/posts\/39241\/translations\/it"},{"embeddable":true,"hreflang":"pt","title":"Portuguese","href":"https:\/\/kinsta.com\/jp\/wp-json\/kinsta\/v1\/posts\/39241\/translations\/pt"},{"embeddable":true,"hreflang":"fr","title":"French","href":"https:\/\/kinsta.com\/jp\/wp-json\/kinsta\/v1\/posts\/39241\/translations\/fr"},{"embeddable":true,"hreflang":"de","title":"German","href":"https:\/\/kinsta.com\/jp\/wp-json\/kinsta\/v1\/posts\/39241\/translations\/de"},{"embeddable":true,"hreflang":"ja","title":"Japanese","href":"https:\/\/kinsta.com\/jp\/wp-json\/kinsta\/v1\/posts\/39241\/translations\/jp"},{"embeddable":true,"hreflang":"nl","title":"Dutch","href":"https:\/\/kinsta.com\/jp\/wp-json\/kinsta\/v1\/posts\/39241\/translations\/nl"},{"embeddable":true,"hreflang":"es","title":"Spanish","href":"https:\/\/kinsta.com\/jp\/wp-json\/kinsta\/v1\/posts\/39241\/translations\/es"},{"embeddable":true,"hreflang":"sv","title":"Swedish","href":"https:\/\/kinsta.com\/jp\/wp-json\/kinsta\/v1\/posts\/39241\/translations\/se"},{"embeddable":true,"hreflang":"da","title":"Danish","href":"https:\/\/kinsta.com\/jp\/wp-json\/kinsta\/v1\/posts\/39241\/translations\/dk"},{"href":"https:\/\/kinsta.com\/jp\/wp-json\/kinsta\/v1\/posts\/39241\/tree"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kinsta.com\/jp\/wp-json\/wp\/v2\/media\/39242"}],"wp:attachment":[{"href":"https:\/\/kinsta.com\/jp\/wp-json\/wp\/v2\/media?parent=39241"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kinsta.com\/jp\/wp-json\/wp\/v2\/tags?post=39241"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/kinsta.com\/jp\/wp-json\/wp\/v2\/topic?post=39241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}