{"id":20615,"date":"2018-07-24T01:53:03","date_gmt":"2018-07-24T08:53:03","guid":{"rendered":"https:\/\/kinsta.com\/?p=7378"},"modified":"2025-09-12T23:53:56","modified_gmt":"2025-09-12T14:53:56","slug":"wordpress-security","status":"publish","type":"post","link":"https:\/\/kinsta.com\/jp\/blog\/wordpress-security\/","title":{"rendered":"\u3010\u5bfe\u7b56\u3057\u306a\u3044\u3068\u5371\u967a\u3011WordPress\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fdd\u8b77\u7b5619\u9078"},"content":{"rendered":"<p>WordPress\u306f<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-statistics\/\">\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e43.6%\u4ee5\u4e0a\u3092\u7a3c\u50cd<\/a>\u3057\u3066\u3044\u308b\u5f37\u529b\u306aCMS\uff08\u30b3\u30f3\u30c6\u30f3\u30c4\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\uff09\u3067\u3059\u304c\u3001\u305d\u308c\u3086\u3048\u306b\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u306e\u6a19\u7684\u306b\u306a\u308a\u304c\u3061\u3067\u3059\u3002\u7279\u306b\u4f55\u5343\u3082\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u30c6\u30fc\u30de\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u304b\u3089\u8106\u5f31\u6027\u306f\u5e38\u306b\u767a\u898b\u3055\u308c\u3001\u60aa\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>2023\u5e74\u306e<a href=\"https:\/\/sucuri.net\/reports\/2023-hacked-website-report\/\" target=\"_blank\" rel=\"noopener noreferrer\">Sucuri\u306b\u3088\u308b\u8abf\u67fb<\/a>\u306b\u3088\u308c\u3070\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u611f\u67d3\u304c\u691c\u51fa\u3055\u308c\u305f\u30b5\u30a4\u30c8\u306e\u3046\u306195.5%\u304cWordPress\u30b5\u30a4\u30c8\u3067\u3042\u308a\u3001<a href=\"https:\/\/sucuri.net\/reports\/2017-hacked-website-report\" target=\"_blank\" rel=\"noopener noreferrer\">2017\u5e74\u306e83%<\/a>\u304b\u3089\u5927\u5e45\u306b\u5897\u52a0\u3057\u3066\u3044\u307e\u3059\u3002Joomla\uff081.7%\uff09\u3084Magento\uff080.6%\uff09\u306e\u3088\u3046\u306a\u4ed6\u306eCMS\u306b\u3082\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u306f\u898b\u3089\u308c\u307e\u3059\u304c\u3001WordPress\u306f\u305d\u306e\u4f7f\u7528\u7387\u3068\u653b\u6483\u7dcf\u6570\u306e\u4e21\u65b9\u3067\u5727\u5012\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2025\/03\/wp-security-vulnerabilites.png\" alt=\"WordPress\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8106\u5f31\u6027\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">WordPress\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8106\u5f31\u6027<\/figcaption><\/figure>\n<p>\u305d\u306e\u5927\u304d\u306a\u539f\u56e0\u306f\u3001WordPress\u30b3\u30a2\u3092\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u66f4\u65b0\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u3053\u3068\u306b\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306fSucuri\u306e\u540c\u8abf\u67fb\u306b\u3088\u308b\u30c7\u30fc\u30bf\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u30cf\u30c3\u30ad\u30f3\u30b0\u306e\u88ab\u5bb3\u306b\u906d\u3063\u305f39.1%\u306eCMS\u30b5\u30a4\u30c8\u306f\u53e4\u304f\u306a\u3063\u305f\u30b3\u30a2\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3044\u305f\u3002<\/li>\n<li>\u30cf\u30c3\u30ad\u30f3\u30b0\u306e\u88ab\u5bb3\u306b\u906d\u3063\u305f13.97%\u306e\u30b5\u30a4\u30c8\u306b\u306f\u8106\u5f31\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u307e\u305f\u306f\u30c6\u30fc\u30de\u304c\u5c11\u306a\u304f\u3068\u30821\u3064\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u305f\u3002<\/li>\n<li>\u30cf\u30c3\u30ad\u30f3\u30b0\u306e\u88ab\u5bb3\u306b\u906d\u3063\u305f49.21%\u306e\u30b5\u30a4\u30c8\u306b\u306f\u3001\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\u5f8c\u3082\u60aa\u7528\u3055\u308c\u308b\u4e0d\u6b63\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u7ba1\u7406\u8005\u30a2\u30ab\u30a6\u30f3\u30c8\u3078\u306e\u30d0\u30c3\u30af\u30c9\u30a2\u304c\u3042\u3063\u305f\u3002<\/li>\n<\/ul>\n<p>\u3053\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3092\u53d7\u3051\u3001WordPress\u306f\u8fd1\u5e74\u5927\u5e45\u306b\u6539\u5584\u3055\u308c\u3066\u304a\u308a\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-automatic-updates\/\">\u81ea\u52d5\u66f4\u65b0<\/a>\u306e\u3088\u3046\u306a\u6a5f\u80fd\u306fCMS\u81ea\u4f53\u306e\u8106\u5f31\u6027\u3092\u524a\u6e1b\u3059\u308b\u306e\u306b\u5f79\u7acb\u3063\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u4e0d\u6b63\u30d7\u30e9\u30b0\u30a4\u30f3\u3001\u5b89\u5168\u3067\u306a\u3044\u30d1\u30b9\u30ef\u30fc\u30c9\u3001\u53e4\u304f\u306a\u3063\u305f\u30c6\u30fc\u30de\u306e\u4f7f\u7528\u306a\u3069\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u304c\u5341\u5206\u3067\u306a\u3044\u5834\u5408\u306f\u3001\u4f9d\u7136\u3068\u3057\u3066\u30b5\u30a4\u30c8\u3092\u5371\u967a\u306b\u6652\u3059\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/developer.wordpress.org\/advanced-administration\/security\/hardening\/#what-is-security\" target=\"_blank\" rel=\"noopener noreferrer\">WordPress Security\u306e\u958b\u767a\u8005\u5411\u3051\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8ff0\u3079\u3089\u308c\u3066\u3044\u307e\u3059\uff08\u82f1\u8a9e\u539f\u6587\u306e\u65e5\u672c\u8a9e\u8a33\uff09\u3002<\/p>\n<blockquote><p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u306f\u3001\u5b8c\u74a7\u306b\u5b89\u5168\u306a\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u306f\u6642\u306b\u73fe\u5b9f\u7684\u3067\u306f\u306a\u304f\u3001\u4e0d\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u306f\u30ea\u30b9\u30af\u3092\u6392\u9664\u3059\u308b\u3053\u3068\u3067\u306f\u306a\u304f\u3001\u30ea\u30b9\u30af\u3092\u6e1b\u3089\u3059\u3053\u3068\u3067\u3042\u308a\u3001\u5408\u7406\u7684\u306a\u7bc4\u56f2\u3067\u5b9f\u73fe\u53ef\u80fd\u306a\u5bfe\u7b56\u3092\u63a1\u7528\u3057\u3001\u5168\u4f53\u7684\u306a\u614b\u52e2\u3092\u6539\u5584\u3057\u3001\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u306a\u3069\u306e\u6a19\u7684\u306b\u306a\u308b\u78ba\u7387\u3092\u6e1b\u3089\u3059\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059<\/p><\/blockquote>\n<p>\u3053\u306e\u3053\u3068\u3092\u8e0f\u307e\u3048\u308b\u3068\u3001\u771f\u306e\u8ab2\u984c\u306f\u3044\u304b\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u3092\u56de\u907f\u3059\u308b\u304b\u306b\u3042\u308a\u307e\u3059\u3002100\uff05\u5b89\u5168\u306a\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u306f\u4e0d\u53ef\u80fd\u3067\u3059\u304c\u3001\u4f8b\u3048\u3070\u512a\u308c\u305f\u30b5\u30fc\u30d0\u30fc\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30b5\u30a4\u30c8\u3092\u52b9\u679c\u7684\u306b\u4fdd\u8b77\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306f\u3001WordPress\u30b5\u30a4\u30c8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3057\u3001\u30cf\u30c3\u30ad\u30f3\u30b0\u306e\u6a19\u7684\u3068\u306a\u308b\u306e\u3092\u9632\u3050\u52b9\u679c\u7684\u306a\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<aside role=\"note\" class=\"wp-block-kinsta-notice is-style-info\">\n            <h3>Info<\/h3>\n        <p>Kinsta\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fdd\u6301\u8a93\u7d04\u306b\u3088\u308a\u3001\u30cf\u30c3\u30ad\u30f3\u30b0\u306e\u88ab\u5bb3\u306b\u906d\u3063\u305f\u304a\u5ba2\u69d8\u306e\u30b5\u30a4\u30c8\u3092\u7121\u6599\u3067\u4fee\u6b63\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/aside>\n\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>1. \u5b89\u5168\u306aWordPress\u5411\u3051\u30b5\u30fc\u30d0\u30fc\u306b\u6295\u8cc7\u3059\u308b<\/h2>\n<p>\u5b89\u5168\u306aWordPress\u30b5\u30a4\u30c8\u306f<a href=\"https:\/\/kinsta.com\/jp\/blog\/website-security-checklist\/\">\u5b89\u5168\u306a\u30b5\u30fc\u30d0\u30fc<\/a>\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002\u3069\u308c\u307b\u3069\u591a\u304f\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u3082\u3001\u3069\u308c\u307b\u3069\u614e\u91cd\u306b\u66f4\u65b0\u4f5c\u696d\u3092\u884c\u306a\u3063\u3066\u3082\u3001\u30b5\u30fc\u30d0\u30fc\u74b0\u5883\u304c\u8106\u5f31\u3067\u3042\u308c\u3070\u30b5\u30a4\u30c8\u306f\u5371\u967a\u306b\u6652\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u591a\u304f\u306e\u30b5\u30a4\u30c8\u6240\u6709\u8005\u306f\u3001WordPress\u81ea\u4f53\u306e\u5b88\u308a\u3070\u304b\u308a\u306b\u76ee\u3092\u5411\u3051\u304c\u3061\u3067\u3059\u304c\u3001\u30b5\u30a4\u30c8\u3092\u7a3c\u50cd\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u306f\u3088\u304f\u898b\u843d\u3068\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u52a3\u60aa\u306a\u30b5\u30fc\u30d0\u30fc\u74b0\u5883\u3067\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-a-ddos-attack\/\">DDoS\u653b\u6483<\/a>\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/types-of-malware\/\">\u30de\u30eb\u30a6\u30a7\u30a2\u611f\u67d3<\/a>\u3001\u8106\u5f31\u306a<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-a-firewall\/\">\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/a>\u3001\u53e4\u3044\u30b5\u30fc\u30d0\u30fc\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u3055\u3089\u3055\u308c\u3001\u30cf\u30c3\u30ab\u30fc\u306e\u683c\u597d\u306e\u6a19\u7684\u306b\u306a\u308a\u307e\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u91cd\u8996\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u60aa\u610f\u306e\u3042\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u7a4d\u6975\u7684\u306b\u30d6\u30ed\u30c3\u30af\u3057\u3001\u8105\u5a01\u3092\u30b9\u30ad\u30e3\u30f3\u3057\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d1\u30c3\u30c1\u3092\u81ea\u52d5\u7684\u306b\u9069\u7528\u3057\u3066\u304f\u308c\u308b\u305f\u3081\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8ca0\u62c5\u3092\u5927\u5e45\u306b\u8efd\u6e1b\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n<p>\u512a\u308c\u305f\u30b5\u30fc\u30d0\u30fc\u306f\u901a\u5e38\u3001\u4ee5\u4e0b\u3092\u63d0\u4f9b\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u6709\u5bb3\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u30b5\u30a4\u30c8\u306b\u5230\u9054\u3059\u308b\u524d\u306b\u30d6\u30ed\u30c3\u30af\u3059\u308b\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30ec\u30d9\u30eb\u30b0\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068DDoS\u653b\u6483\u5bfe\u7b56<\/li>\n<li>\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u30b9\u30ad\u30e3\u30f3\u3068\u9664\u53bb\u3092\u81ea\u52d5\u5316\u3057\u3001\u611f\u67d3\u304c\u62e1\u5927\u3059\u308b\u524d\u306b\u5bfe\u51e6<\/li>\n<li>\u5b89\u5168\u306a\u9694\u96e2\u30b3\u30f3\u30c6\u30ca\u306b\u3088\u308a\u3001\u4ed6\u306e\u30b5\u30a4\u30c8\u304c\u5371\u967a\u306b\u3055\u3089\u3055\u308c\u3066\u3082\u4ed6\u306e\u30b5\u30a4\u30c8\u306b\u306f\u5f71\u97ff\u3092\u4e0e\u3048\u306a\u3044<\/li>\n<li>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u81ea\u52d5\u66f4\u65b0\u3068\u30d1\u30c3\u30c1\u9069\u7528\u306b\u3088\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u74b0\u5883\u3092\u5e38\u306b\u6700\u65b0\u306e\u72b6\u614b\u306b\u4fdd\u3064<\/li>\n<li>\u6bce\u65e5\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3068\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u6a5f\u80fd\u3067\u4e07\u304c\u4e00\u306e\u4e8b\u614b\u304c\u767a\u751f\u3057\u3066\u3082\u901f\u3084\u304b\u306b\u30b5\u30a4\u30c8\u3092\u5fa9\u5143\u3067\u304d\u308b<\/li>\n<\/ul>\n<p>WordPress\u30b5\u30a4\u30c8\u306e\u30cf\u30c3\u30ad\u30f3\u30b0\u306e\u307b\u3068\u3093\u3069\u306f\u3001\u5de7\u5999\u306a\u624b\u53e3\u306b\u3088\u3063\u3066\u8d77\u3053\u308b\u3082\u306e\u3067\u306f\u306a\u304f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-plugin-vulnerability\/#outdated-plugins\">\u53e4\u304f\u306a\u3063\u305f\u30d7\u30e9\u30b0\u30a4\u30f3<\/a>\u3001\u8106\u5f31\u306a\u30d1\u30b9\u30ef\u30fc\u30c9\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u7518\u3055\u306a\u3069\u304c\u539f\u56e0\u3067\u3059\u3002\u307e\u305f\u60aa\u610f\u306e\u3042\u308b\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u30b5\u30a4\u30c8\u306e\u5f31\u70b9\u3092\u63a2\u308b\u969b\u306b\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>Kinsta\u306e\u30a4\u30f3\u30d5\u30e9\u306b\u7d44\u307f\u8fbc\u307e\u308c\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/h3>\n<p>Kinsta\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306f\u3001\u30b5\u30a4\u30c8\u304c\u30c7\u30d7\u30ed\u30a4\u3055\u308c\u305f\u77ac\u9593\u304b\u3089\u60aa\u610f\u306e\u3042\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/xmlrpc-php\/#brute-force-attacks-via-xmlrpc\">\u30d6\u30eb\u30fc\u30c8\u30d5\u30a9\u30fc\u30b9\u653b\u6483<\/a>\u3092\u963b\u6b62\u3057\u307e\u3059\u3002\u30b3\u30a2\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306f\u5e38\u306b\u6700\u65b0\u306e\u72b6\u614b\u306b\u4fdd\u305f\u308c\u3001\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u9759\u304b\u306b\u52d5\u4f5c\u3059\u308b<a href=\"https:\/\/kinsta.com\/jp\/wordpress-hosting\/security\/\">\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30ec\u30d9\u30eb\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56<\/a>\u306e\u6069\u6075\u3092\u53d7\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u5404\u30b5\u30a4\u30c8\u306f<a href=\"https:\/\/kinsta.com\/jp\/blog\/isolated-container-technology\/\">Linux\u306e\u30b3\u30f3\u30c6\u30ca\u6280\u8853<\/a>\u306b\u3088\u308a\u5b8c\u5168\u306b\u9694\u96e2\u3055\u308c\u308b\u305f\u3081\u30011\u3064\u306e\u30b5\u30a4\u30c8\u304c\u653b\u6483\u3092\u53d7\u3051\u3066\u3082\u4ed6\u306e\u30b5\u30a4\u30c8\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3059\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u30ec\u30d9\u30eb\u306e\u5206\u96e2\u306f\u30011\u3064\u306e\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u8907\u6570\u306e\u30b5\u30a4\u30c8\u304c\u30ea\u30bd\u30fc\u30b9\u3092\u5171\u6709\u3059\u308b\u4e00\u822c\u7684\u306a\u5171\u7528\u30b5\u30fc\u30d0\u30fc\u3067\u306f\u307b\u307c\u898b\u3089\u308c\u307e\u305b\u3093\u3002<\/p>\n<figure id=\"attachment_57905\" aria-describedby=\"caption-attachment-57905\" style=\"width: 4800px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-57905 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/05\/JP-Kinsta-WP-architecture.png\" alt=\"Kinsta\u306eWordPress\u5c02\u7528\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d0\u30fc\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\" width=\"4800\" height=\"2320\" srcset=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/05\/JP-Kinsta-WP-architecture.png 4800w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/05\/JP-Kinsta-WP-architecture-300x145.png 300w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/05\/JP-Kinsta-WP-architecture-1024x495.png 1024w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/05\/JP-Kinsta-WP-architecture-768x371.png 768w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/05\/JP-Kinsta-WP-architecture-1536x742.png 1536w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/05\/JP-Kinsta-WP-architecture-2048x990.png 2048w\" sizes=\"auto, (max-width: 4800px) 100vw, 4800px\" \/><figcaption id=\"caption-attachment-57905\" class=\"wp-caption-text\">Kinsta\u306eWordPress\u5c02\u7528\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d0\u30fc\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3<\/figcaption><\/figure>\n<p>\u4e0a\u306e\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u793a\u3059\u3068\u304a\u308a\u3001\u3059\u3079\u3066\u306e\u30b5\u30a4\u30c8\u306fGoogle Cloud\u306e\u30d7\u30ec\u30df\u30a2\u30e0\u30c6\u30a3\u30a2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3067\u5b9f\u884c\u3055\u308c\u3001Gmail\u3084Google \u691c\u7d22\u306a\u3069\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u4fdd\u8b77\u3059\u308bGoogle\u306e15\u5e74\u4ee5\u4e0a\u306b\u308f\u305f\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a4\u30ce\u30d9\u30fc\u30b7\u30e7\u30f3\u306e\u6069\u6075\u3092\u53d7\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0a\u306b\u52a0\u3048\u3066\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3082\u6a19\u6e96\u642d\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/kinsta.com\/jp\/cloudflare-integration\/\">Cloudflare\u306e\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30ec\u30d9\u30eb\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/a>\u3067\u6709\u5bb3\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3001\u60aa\u610f\u306e\u3042\u308b\u30dc\u30c3\u30c8\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3001\u30d6\u30eb\u30fc\u30c8\u30d5\u30a9\u30fc\u30b9\u653b\u6483\u3092\u30b5\u30a4\u30c8\u306b\u5230\u9054\u3059\u308b\u524d\u306b\u8efd\u6e1b<\/li>\n<li>DDoS\u653b\u6483\u4fdd\u8b77\u306b\u3088\u308a\u3001\u5927\u91cf\u306e\u653b\u6483\u306b\u3055\u3089\u3055\u308c\u3066\u3082\u30b5\u30a4\u30c8\u3092\u30aa\u30f3\u30e9\u30a4\u30f3\u72b6\u614b\u306b\u4fdd\u3064<\/li>\n<li>\u30d7\u30e9\u30b0\u30a4\u30f3\u3068\u30c6\u30fc\u30de\u306e<a href=\"https:\/\/kinsta.com\/jp\/add-ons\/kinsta-automatic-updates\/\">\u81ea\u52d5\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8<\/a>\u3067\u6700\u65b0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d1\u30c3\u30c1\u3068\u6a5f\u80fd\u3092\u63d0\u4f9b<\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/free-ssl-certificate\/\">\u7121\u6599\u306eSSL\u8a3c\u660e\u66f8<\/a>\u3067\u30b5\u30a4\u30c8\u3068\u8a2a\u554f\u8005\u306e\u9593\u3067\u3084\u308a\u53d6\u308a\u3055\u308c\u308b\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3057\u3001SSL\u8a3c\u660e\u66f8\u306e\u81ea\u52d5\u66f4\u65b0\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u4f4e\u4e0b\u3082\u9632\u3050<\/li>\n<li>\u6bce\u65e5\u306e\u81ea\u52d5<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/wordpress-backups\/\">\u30d0\u30c3\u30af\u30a2\u30c3\u30d7<\/a>\u3067\u30b5\u30a4\u30c8\u306e\u5b8c\u5168\u306a\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u30922\u9031\u9593\u4fdd\u5b58<\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/wordpress-monitoring\/uptime-monitoring\/\">\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u7a3c\u50cd\u72b6\u6cc1\u30923\u5206\u3054\u3068\u306b\u76e3\u8996<\/a>\uff08\u6bce\u65e5480\u56de\uff09\u3057\u3066\u6df1\u523b\u306a\u554f\u984c\u306b\u767a\u5c55\u3059\u308b\u524d\u306b\u554f\u984c\u3092\u691c\u51fa<\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/kinsta-support\/\">24\u6642\u9593\u5e74\u4e2d\u7121\u4f11\u4f53\u5236\u306e\u30ab\u30b9\u30bf\u30de\u30fc\u30b5\u30dd\u30fc\u30c8<\/a>\u3067\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u3044\u3064\u3067\u3082\u554f\u3044\u5408\u308f\u305b\u53ef\u80fd\uff08\u65e5\u672c\u8a9e\u3092\u306f\u3058\u3081\u3068\u3059\u308b10\u30f6\u56fd\u8a9e\u5bfe\u5fdc\uff09<\/li>\n<\/ul>\n<p>Kinsta\u306b\u3068\u3063\u3066\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u306f\u3001\u8105\u5a01\u3078\u306e\u5bfe\u7b56\u3068\u5bfe\u51e6\u3060\u3051\u3067\u306a\u304f\u3001WordPress\u30b5\u30a4\u30c8\u306e\u6240\u6709\u8005\u304c\u30de\u30eb\u30a6\u30a7\u30a2\u3001DDoS\u653b\u6483\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u8106\u5f31\u6027\u306a\u3069\u3092\u5fc3\u914d\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u672c\u696d\u3068\u305d\u306e\u6210\u9577\u306b\u96c6\u4e2d\u3067\u304d\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<h2>2. \u6700\u65b0\u306ePHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4f7f\u7528\u3059\u308b<\/h2>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-php\/\">PHP<\/a>\u306fWordPress\u30b5\u30a4\u30c8\u306e\u4e2d\u6838\u3067\u3042\u308b\u305f\u3081\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u304a\u3088\u3073\u5b89\u5b9a\u6027\u306e\u78ba\u4fdd\u306b\u306f\u3001PHP\u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u4e0d\u53ef\u6c7a\u3067\u3059\u3002<\/p>\n<p>PHP\u306e\u5404\u30e1\u30b8\u30e3\u30fc\u30ea\u30ea\u30fc\u30b9\u306f<a href=\"http:\/\/php.net\/supported-versions.php\" target=\"_blank\" rel=\"noopener noreferrer\">2\u5e74\u9593\u306e\u516c\u5f0f\u30b5\u30dd\u30fc\u30c8<\/a>\u3092\u53d7\u3051\u3001\u305d\u306e\u9593\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8106\u5f31\u6027\u3084\u30d0\u30b0\u304c\u5b9a\u671f\u7684\u306b\u4fee\u6b63\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u30b5\u30dd\u30fc\u30c8\u671f\u9593\u304c\u7d42\u4e86\u3059\u308b\u3068\u3001\u66f4\u65b0\u304c\u884c\u308f\u308c\u306a\u304f\u306a\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u6b20\u9665\u306b\u3055\u3089\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2025\/03\/supported-php-versions.png\" alt=\"PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30b5\u30dd\u30fc\u30c8\u72b6\u6cc1\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30b5\u30dd\u30fc\u30c8\u72b6\u6cc1<\/figcaption><\/figure>\n<p>\u3057\u304b\u3057\u3001\u591a\u304f\u306eWordPress\u30b5\u30a4\u30c8\u3067\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3068\u3044\u3046\u73fe\u72b6\u304c\u3042\u308a\u307e\u3059\u3002<a href=\"https:\/\/wordpress.org\/about\/stats\/\" target=\"_blank\" rel=\"noopener noreferrer\">WordPress\u306e\u516c\u5f0f\u7d71\u8a08<\/a>\u306b\u3088\u308b\u3068\u3001WordPress\u30b5\u30a4\u30c8\u306e49.4%\u3067\u3057\u304bPHP 8.1\u4ee5\u4e0a\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u3064\u307e\u308a\u3001\u5168\u4f53\u306e\u534a\u6570\u4ee5\u4e0a\u306e\u30b5\u30a4\u30c8\u304c\u3001\u30b5\u30dd\u30fc\u30c8\u304c\u7d42\u4e86\u3057\u305fPHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u7a3c\u50cd\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u30022022\u5e74\u672b\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b5\u30dd\u30fc\u30c8\u304c\u7d42\u4e86\u3057\u305fPHP 7.4\u306f\u3001\u73fe\u5728\u308231%\u306eWordPress\u30b5\u30a4\u30c8\u3067\u4f7f\u308f\u308c\u3066\u3044\u308b\u304b\u3089\u9a5a\u304d\u3067\u3059\u3002\u3053\u306e\u4e8b\u5b9f\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u89b3\u70b9\u304b\u3089\u975e\u5e38\u306b\u5fc3\u914d\u306a\u30c7\u30fc\u30bf\u3067\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2025\/03\/wp-php-stat.png\" alt=\"WordPress PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u7d71\u8a08\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">WordPress PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u7d71\u8a08<\/figcaption><\/figure>\n<p>\u30b5\u30a4\u30c8\u3067\u4f7f\u7528\u3057\u3066\u3044\u308bPHP\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u308f\u304b\u3089\u306a\u3044\u5834\u5408\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb\u304b\u3001WordPress\u7ba1\u7406\u753b\u9762\u306e\u300c<strong>\u30c4\u30fc\u30eb<\/strong>\u300d\uff1e\u300c<strong><a href=\"https:\/\/wordpress.org\/documentation\/article\/site-health-screen\/\">\u30b5\u30a4\u30c8\u30d8\u30eb\u30b9<\/a><\/strong>\u300d\u306e\u300c<strong>\u60c5\u5831<\/strong>\u300d\u30bf\u30d6\u3067\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_64380\" aria-describedby=\"caption-attachment-64380\" style=\"width: 1856px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-64380 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-site-health.png\" alt=\"WordPress\u30b5\u30a4\u30c8\u306ePHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\" width=\"1856\" height=\"986\" srcset=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-site-health.png 1856w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-site-health-300x159.png 300w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-site-health-1024x544.png 1024w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-site-health-768x408.png 768w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-site-health-1536x816.png 1536w\" sizes=\"auto, (max-width: 1856px) 100vw, 1856px\" \/><figcaption id=\"caption-attachment-64380\" class=\"wp-caption-text\">WordPress\u30b5\u30a4\u30c8\u306ePHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d<\/figcaption><\/figure>\n<p>Kinsta\u3067\u306f\u3001\u9069\u5207\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8003\u616e\u3059\u308b\u306e\u3067\u3042\u308c\u3070\u3001<strong>PHP 8.1\u4ee5\u4e0a<\/strong>\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u5f37\u304f\u304a\u3059\u3059\u3081\u3057\u3066\u3044\u307e\u3059\u304c\u3001WordPress\u30e6\u30fc\u30b6\u30fc\u306e\u5927\u90e8\u5206\uff08\u7d0440.4%\uff09\u304c\u73fe\u5728\u3082PHP 7.4\u30848.0\u306e\u3088\u3046\u306a\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3068\u3044\u3046\u72b6\u6cc1\u3092\u8003\u616e\u3057\u3001<a href=\"https:\/\/kinsta.com\/jp\/changelog\/end-of-life-php-support\/\">\u3053\u308c\u3089\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5f15\u304d\u7d9a\u304d\u30b5\u30dd\u30fc\u30c8<\/a>\u3057\u306a\u304c\u3089\u3001\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3078\u306e\u79fb\u884c\u3092\u5968\u52b1\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u5909\u66f4\u306f\u7c21\u5358\u3067\u3001\u5c02\u7528\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb<a href=\"https:\/\/kinsta.com\/jp\/mykinsta\/\">MyKinsta<\/a>\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u3001\u300c<strong>WordPress\u30b5\u30a4\u30c8<\/strong>\u300d\uff1e\uff08<strong>\u30b5\u30a4\u30c8\u540d<\/strong>\uff09\uff1e\u300c<strong>\u30c4\u30fc\u30eb<\/strong>\u300d\u306b\u79fb\u52d5\u3057\u3066\u3001\u300c<strong>PHP\u8a2d\u5b9a<\/strong>\u300d\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u300c<strong>\u5909\u66f4\u3059\u308b<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3060\u3051\u3067OK\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_62671\" aria-describedby=\"caption-attachment-62671\" style=\"width: 1616px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-62671 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/01\/php-settings-version-change.png\" alt=\"Kinsta\u3067PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5909\u66f4\" width=\"1616\" height=\"812\" srcset=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/01\/php-settings-version-change.png 1616w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/01\/php-settings-version-change-300x151.png 300w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/01\/php-settings-version-change-1024x515.png 1024w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/01\/php-settings-version-change-768x386.png 768w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/01\/php-settings-version-change-1536x772.png 1536w\" sizes=\"auto, (max-width: 1616px) 100vw, 1616px\" \/><figcaption id=\"caption-attachment-62671\" class=\"wp-caption-text\">Kinsta\u3067PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5909\u66f4<\/figcaption><\/figure>\n<p>\u307e\u305f\u3001<strong>PHP\u306e\u81ea\u52d5\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7<\/strong>\u3082\u8a2d\u5b9a\u53ef\u80fd\u3067\u3001\u4f7f\u7528\u3057\u3066\u3044\u308bPHP\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u516c\u5f0f\u30b5\u30dd\u30fc\u30c8\u304c\u7d42\u4e86\u3059\u308b\u3068\u3001\u81ea\u52d5\u7684\u306b\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u66f4\u65b0\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u624b\u9593\u3092\u304b\u3051\u308b\u3053\u3068\u306a\u304f\u3001\u30b5\u30a4\u30c8\u3092\u5b89\u5168\u304b\u3064\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u6700\u9069\u5316\u3055\u308c\u305f\u72b6\u614b\u3092\u4fdd\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_62553\" aria-describedby=\"caption-attachment-62553\" style=\"width: 799px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-62553 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/08\/change-php-settings.png\" alt=\"PHP\u306e\u81ea\u52d5\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3082\" width=\"799\" height=\"357\" srcset=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/08\/change-php-settings.png 799w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/08\/change-php-settings-300x134.png 300w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/08\/change-php-settings-768x343.png 768w\" sizes=\"auto, (max-width: 799px) 100vw, 799px\" \/><figcaption id=\"caption-attachment-62553\" class=\"wp-caption-text\">PHP\u306e\u81ea\u52d5\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3082<\/figcaption><\/figure>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-cpanel\/\">cPanel<\/a>\u3092\u63a1\u7528\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u3067\u306f\u901a\u5e38\u3001\u300c<strong>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2<\/strong>\u300d\u30ab\u30c6\u30b4\u30ea\u306b\u3042\u308b\u300c<strong>PHP Selector<\/strong>\uff08PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u9078\u629e\uff09\u300d\u304b\u3089PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2025\/03\/cpanel-php-version.png\" alt=\"cPanel\u3067PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5909\u66f4\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">cPanel\u3067PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5909\u66f4<\/figcaption><\/figure>\n<h2>3. WordPress\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u3001\u30c6\u30fc\u30de\u3092\u5e38\u306b\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u4fdd\u3064<\/h2>\n<p>WordPress\u30b5\u30a4\u30c8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u3082\u30461\u3064\u306e\u91cd\u8981\u306a\u5bfe\u7b56\u306f\u3001WordPress\u30b3\u30a2\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u3001\u30c6\u30fc\u30de\uff08<a href=\"https:\/\/wordpress.org\/plugins\/\" target=\"_blank\" rel=\"noopener noreferrer\">WordPress\u30ea\u30dd\u30b8\u30c8\u30ea<\/a>\u3067\u5165\u624b\u3067\u304d\u308b\u3082\u306e\u3068\u6709\u6599\u306e\u3082\u306e\u4e21\u65b9\uff09\u3092\u5e38\u306b\u6700\u65b0\u306e\u72b6\u614b\u306b\u4fdd\u3064\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306f\u65b0\u6a5f\u80fd\u306b\u95a2\u3059\u308b\u3082\u306e\u3060\u3051\u3067\u306a\u304f\u3001\u60aa\u7528\u3055\u308c\u308b\u524d\u306b<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-plugin-vulnerability\/\">\u8106\u5f31\u6027<\/a>\u3092\u4fee\u6b63\u3059\u308b\u91cd\u8981\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d1\u30c3\u30c1\u3082\u3088\u304f\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u524d\u306f\u3001\u66f4\u65b0\u304c\u5fc5\u305a\u3057\u3082\u4e88\u5b9a\u901a\u308a\u306b\u9069\u7528\u3055\u308c\u306a\u304b\u3063\u305f\u3053\u3068\u304b\u3089\u3001WordPress\u306e\u30b3\u30a2\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306f\u3088\u308a\u591a\u304f\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8105\u5a01\u306b\u76f4\u9762\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u30d0\u30fc\u30b8\u30e7\u30f33.7\u306e\u30ea\u30ea\u30fc\u30b9\u304b\u3089\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3084\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u542b\u3080\u30de\u30a4\u30ca\u30fc\u30ea\u30ea\u30fc\u30b9\u306e<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-automatic-updates\/\">\u81ea\u52d5\u66f4\u65b0\u6a5f\u80fd<\/a>\u3092\u5c0e\u5165\u3057\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u6539\u5584\u304c\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_64381\" aria-describedby=\"caption-attachment-64381\" style=\"width: 2322px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-64381 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-update-info.png\" alt=\"WordPress\u7ba1\u7406\u753b\u9762\u306e\u66f4\u65b0\u30da\u30fc\u30b8\" width=\"2322\" height=\"626\" srcset=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-update-info.png 2322w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-update-info-300x81.png 300w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-update-info-1024x276.png 1024w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-update-info-768x207.png 768w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-update-info-1536x414.png 1536w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-update-info-2048x552.png 2048w\" sizes=\"auto, (max-width: 2322px) 100vw, 2322px\" \/><figcaption id=\"caption-attachment-64381\" class=\"wp-caption-text\">WordPress\u7ba1\u7406\u753b\u9762\u306e\u66f4\u65b0\u30da\u30fc\u30b8<\/figcaption><\/figure>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u53e4\u304f\u306a\u3063\u305fWordPress\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u8106\u5f31\u6027\u3092\u5229\u7528\u3057\u305f\u653b\u6483\u306f\u5927\u5e45\u306b\u6e1b\u308a\u307e\u3057\u305f\u304c\u3001\u4eca\u5ea6\u306f\u30d7\u30e9\u30b0\u30a4\u30f3\u3068\u30c6\u30fc\u30de\u304c\u5927\u304d\u306a\u653b\u6483\u5bfe\u8c61\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/patchstack.com\/whitepaper\/state-of-wordpress-security-in-2024\/\" target=\"_blank\" rel=\"noopener noreferrer\">Patchstack<\/a>\u306b\u3088\u308b\u3068\u30012023\u5e74\u306b\u65b0\u305f\u306b\u691c\u51fa\u3055\u308c\u305fWordPress\u306e\u8106\u5f31\u6027\u306e96.77%\u306f\u30d7\u30e9\u30b0\u30a4\u30f3\u306b\u3088\u308b\u3082\u306e\u3067\u3057\u305f\u3002\u30c6\u30fc\u30de\u306f\u308f\u305a\u304b3.01%\u3001WordPress\u30b3\u30a2\u306e\u8106\u5f31\u6027\u306f1%\u672a\u6e80\u306b\u3068\u3069\u307e\u308a\u307e\u3057\u305f\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2025\/03\/patchstack-wp-vulnerabilities.png\" alt=\"PatchStack\u306e2023\u5e74WordPress\u8106\u5f31\u6027\u30ec\u30dd\u30fc\u30c8\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">PatchStack\u306e2023\u5e74WordPress\u8106\u5f31\u6027\u30ec\u30dd\u30fc\u30c8<\/figcaption><\/figure>\n<p>\u3053\u306e\u3053\u3068\u304b\u3089\u3001\u771f\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u306fWordPress\u81ea\u4f53\u3067\u306f\u306a\u304f\u3001\u305d\u306e\u6a5f\u80fd\u3092\u62e1\u5f35\u3059\u308b\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u30c6\u30fc\u30de\u306b\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u66f4\u65b0\u305b\u305a\u306b\u653e\u7f6e\u3057\u3066\u3044\u308b\u3068\u3001\u30ea\u30b9\u30af\u306f\u3055\u3089\u306b\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u30022023\u5e74\u3001WordPress\u30c1\u30fc\u30e0\u306fPatchstack\u304b\u3089827\u500b\u306e\u8106\u5f31\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u3068\u30c6\u30fc\u30de\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u306e\u5831\u544a\u3092\u53d7\u3051\u3001\u653e\u7f6e\u3055\u308c\u305f481\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3068\u30c6\u30fc\u30de\u3092\u524a\u9664\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001147\u500b\u306b\u30d5\u30e9\u30b0\u304c\u7acb\u3066\u3089\u308c87\u500b\u304c\u524a\u9664\u3055\u308c\u305f2022\u5e74\u3068\u6bd4\u8f03\u3059\u308b\u3068\u3001450\uff05\u5897\u3067\u3059\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001\u4f55\u5343\u3082\u306eWordPress\u30b5\u30a4\u30c8\u304c\u66f4\u65b0\u3055\u308c\u306a\u304f\u306a\u3063\u305f\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u7528\u3057\u3066\u304a\u308a\u3001\u305d\u308c\u304c\u653b\u6483\u8005\u306e\u683c\u597d\u306e\u6a19\u7684\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2025\/03\/vulnerable-plugins.png\" alt=\"PatchStack\u306e\u8106\u5f31\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u306b\u95a2\u3059\u308b\u30ec\u30dd\u30fc\u30c8\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">PatchStack\u306e\u8106\u5f31\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u306b\u95a2\u3059\u308b\u30ec\u30dd\u30fc\u30c8<\/figcaption><\/figure>\n<p>\u30d7\u30e9\u30b0\u30a4\u30f3\u3068\u30c6\u30fc\u30de\u306fWordPress\u30b5\u30a4\u30c8\u3067\u898b\u3089\u308c\u308b\u8106\u5f31\u6027\u306e\u6700\u5927\u306e\u539f\u56e0\u3067\u3042\u308b\u3053\u3068\u304b\u3089\u3001\u3053\u308c\u3089\u3092\u5e38\u306b\u66f4\u65b0\u3057\u7d9a\u3051\u308b\u304c\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u7279\u306b\u5927\u898f\u6a21\u306a\u30b5\u30a4\u30c8\u3067\u591a\u6570\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3068\u30c6\u30fc\u30de\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u66f4\u65b0\u4f5c\u696d\u3092\u624b\u52d5\u3067\u884c\u3046\u3053\u3068\u306f\u5927\u304d\u306a\u8ca0\u62c5\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>Kinsta\u3067\u306f\u3001\u3053\u306e\u8ab2\u984c\u3092\u8003\u616e\u3057\u3001<a href=\"https:\/\/kinsta.com\/jp\/add-ons\/kinsta-automatic-updates\/\">Kinsta\u81ea\u52d5\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8<\/a>\u3092\u30ea\u30ea\u30fc\u30b9\u3057\u307e\u3057\u305f\u3002\u6709\u52b9\u30fb\u7121\u52b9\u306b\u304b\u304b\u308f\u3089\u305a\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3068\u30c6\u30fc\u30de\u3092\u6bce\u65e5\uff08\u307e\u305f\u306f\u66dc\u65e5\u3092\u6307\u5b9a\u3057\u3066\uff09\u81ea\u52d5\u66f4\u65b0\u3057\u3001\u4e00\u5207\u306e\u624b\u9593\u3092\u304b\u3051\u305a\u306b\u8106\u5f31\u6027\u304b\u3089\u30b5\u30a4\u30c8\u3092\u78ba\u5b9f\u306b\u4fdd\u8b77\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_64247\" aria-describedby=\"caption-attachment-64247\" style=\"width: 1418px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-64247 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/03\/kinsta-auto-update-details.png\" alt=\"Kinsta\u81ea\u52d5\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u8a73\u7d30\u60c5\u5831\" width=\"1418\" height=\"1368\" srcset=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/03\/kinsta-auto-update-details.png 1418w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/03\/kinsta-auto-update-details-300x289.png 300w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/03\/kinsta-auto-update-details-1024x988.png 1024w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/03\/kinsta-auto-update-details-768x741.png 768w\" sizes=\"auto, (max-width: 1418px) 100vw, 1418px\" \/><figcaption id=\"caption-attachment-64247\" class=\"wp-caption-text\">Kinsta\u81ea\u52d5\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u8a73\u7d30\u60c5\u5831<\/figcaption><\/figure>\n<p>\u307e\u305f\u3001\u66f4\u65b0\u5f8c\u306b\u4e88\u671f\u305b\u306c\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u3092\u9632\u3050\u305f\u3081\u3001\u30d3\u30b8\u30e5\u30a2\u30eb\u30ea\u30b0\u30ec\u30c3\u30b7\u30e7\u30f3\u30c6\u30b9\u30c8\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u66f4\u65b0\u524d\u5f8c\u306e\u30da\u30fc\u30b8\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3092\u53d6\u5f97\u3057\u3066\u6bd4\u8f03\u3057\u3001\u91cd\u8981\u306a\u5909\u66f4\u3092\u691c\u51fa\u3057\u307e\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/wordpress-plugins-themes\/wordpress-plugins-themes-automatic-updates\/\">Kinsta\u81ea\u52d5\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u8a73\u7d30\u306f\u3053\u3061\u3089<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u66f4\u65b0\u3092\u624b\u52d5\u3067\u7ba1\u7406\u3057\u305f\u3044\u5834\u5408\u306f\u3001MyKinsta\u307e\u305f\u306f<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-admin\/\">WordPress\u7ba1\u7406\u753b\u9762<\/a>\u306e\u66f4\u65b0\u30da\u30fc\u30b8\u3067\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002\u5f8c\u8005\u306e\u5834\u5408\u306f\u3001\u5de6\u30b5\u30a4\u30c9\u30d0\u30fc\u304b\u3089\u300c<strong>\u66f4\u65b0<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u8a72\u5f53\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u9078\u629e\u3057\u3066\u300c<strong>\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u66f4\u65b0<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_64382\" aria-describedby=\"caption-attachment-64382\" style=\"width: 1840px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-64382 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wp-plugins-manual-update.png\" alt=\"WordPress\u7ba1\u7406\u753b\u9762\u3067\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u66f4\u65b0\" width=\"1840\" height=\"1096\" srcset=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wp-plugins-manual-update.png 1840w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wp-plugins-manual-update-300x179.png 300w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wp-plugins-manual-update-1024x610.png 1024w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wp-plugins-manual-update-768x457.png 768w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wp-plugins-manual-update-1536x915.png 1536w\" sizes=\"auto, (max-width: 1840px) 100vw, 1840px\" \/><figcaption id=\"caption-attachment-64382\" class=\"wp-caption-text\">WordPress\u7ba1\u7406\u753b\u9762\u3067\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u66f4\u65b0<\/figcaption><\/figure>\n<p>\u307e\u305f\u3001\u4f7f\u7528\u3059\u308b\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u53b3\u9078\u3059\u308b\u3053\u3068\u3082\u91cd\u8981\u3067\u3059\u3002<a href=\"https:\/\/patchstack.com\/articles\/security-implications-of-wordpress-repository-access-restrictions-and-plugin-closures\/\" target=\"_blank\" rel=\"noopener noreferrer\">Patchstack\u306b\u3088\u308c\u3070<\/a>\u3001WordPress\u30ea\u30dd\u30b8\u30c8\u30ea\u306e\u591a\u304f\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u5341\u5206\u306b\u884c\u308f\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u524d\u306b\u3001<strong>\u6700\u7d42\u66f4\u65b0\u65e5<\/strong>\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u30ec\u30d3\u30e5\u30fc\u306b\u5fc5\u305a\u76ee\u3092\u901a\u3057\u307e\u3057\u3087\u3046\u3002\u9577\u3044\u9593\u66f4\u65b0\u3055\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u308a\u3001\u8a55\u4fa1\u304c\u4f4e\u304b\u3063\u305f\u308a\u3059\u308b\u5834\u5408\u306f\u3001\u4fe1\u983c\u3067\u304d\u308b\u5225\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u63a2\u3059\u306e\u304c\u30d9\u30b9\u30c8\u3067\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2025\/03\/outdated-plugin.png\" alt=\"\u66f4\u65b0\u304c\u884c\u308f\u308c\u3066\u3044\u306a\u3044\u30d7\u30e9\u30b0\u30a4\u30f3\u4f8b\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">\u66f4\u65b0\u304c\u884c\u308f\u308c\u3066\u3044\u306a\u3044\u30d7\u30e9\u30b0\u30a4\u30f3\u4f8b<\/figcaption><\/figure>\n<p>\u4e0a\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306f3\u5e74\u66f4\u65b0\u3055\u308c\u3066\u304a\u3089\u305a\u3001\u6f5c\u5728\u7684\u306a\u30ea\u30b9\u30af\u3092\u898b\u3064\u3051\u3084\u3059\u3044\u3088\u3046\u3001\u30da\u30fc\u30b8\u4e0a\u90e8\u306b\u3082\u8b66\u544a\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>WordPress\u306b\u95a2\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u60c5\u5831\u3092\u8ffd\u3046\u306b\u306f\u3001WordPress\u306e\u30b3\u30a2\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u3001\u30c6\u30fc\u30de\u306e1\u4e07\u4ee5\u4e0a\u306e\u8106\u5f31\u6027\u3092\u8ffd\u8de1\u3059\u308b<a href=\"https:\/\/wpscan.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">WPScan<\/a>\u3084\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u95a2\u9023\u306e\u3059\u3079\u3066\u306e\u5909\u66f4\u3092\u30ed\u30b0\u306b\u8a18\u9332\u3059\u308b<a href=\"https:\/\/wordpress.org\/news\/category\/security\/\" target=\"_blank\" rel=\"noopener noreferrer\">Official WordPress Security Archive<\/a>\u306e\u3088\u3046\u306a\u30ea\u30bd\u30fc\u30b9\u304c\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p>WordPress\u30b3\u30a2\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u3001\u30c6\u30fc\u30de\u3092\u5e38\u306b\u66f4\u65b0\u3057\u3001\u4fe1\u983c\u3067\u304d\u308b\u66f4\u65b0\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u7528\u3057\u306a\u304c\u3089\u3001\u614e\u91cd\u306b\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u30b5\u30a4\u30c8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u3092\u5287\u7684\u306b\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>4. WordPress\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u96a0\u3059<\/h2>\n<p>WordPress\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u96a0\u3059\u3053\u3068\u3082\u3001\u6f5c\u5728\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u3092\u6e1b\u3089\u3059\u52b9\u679c\u7684\u306a\u65b9\u6cd5\u3067\u3059\u3002\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306eWordPress\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u30cf\u30c3\u30ab\u30fc\u306b\u898b\u3064\u304b\u308c\u3070\u3001\u653b\u6483\u306e\u6a19\u7684\u306b\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>WordPress\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30b5\u30a4\u30c8\u306eHTML\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306b\u30d0\u30fc\u30b8\u30e7\u30f3\u756a\u53f7\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2025\/03\/wp-version.png\" alt=\"WordPress\u30d0\u30fc\u30b8\u30e7\u30f3\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">WordPress\u30d0\u30fc\u30b8\u30e7\u30f3<\/figcaption><\/figure>\n<p>\u3082\u3061\u308d\u3093\u3001WordPress\u3092\u5e38\u306b\u66f4\u65b0\u3057\u305f\u72b6\u614b\u306b\u3059\u308b\u306e\u304c\u30d9\u30b9\u30c8\u3067\u3059\u304c\u3001\u30c6\u30fc\u30de\u306e<code>functions.php<\/code>\u30d5\u30a1\u30a4\u30eb\u306b\u4ee5\u4e0b\u306e\u30b9\u30cb\u30da\u30c3\u30c8\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u304b\u3089\u30d0\u30fc\u30b8\u30e7\u30f3\u756a\u53f7\u3092\u524a\u9664\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-bash\">function wp_version_remove_version() {\n    return '';\n}\nadd_filter('the_generator', 'wp_version_remove_version');<\/code><\/pre>\n<aside role=\"note\" class=\"wp-block-kinsta-notice is-style-important\">\n            <h3>Important<\/h3>\n        <p>\u30c6\u30fc\u30de\u30d5\u30a1\u30a4\u30eb\u306e\u7de8\u96c6\u3092\u8aa4\u308b\u3068\u3001\u30b5\u30a4\u30c8\u304c\u58ca\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-child-theme\/\">\u5b50\u30c6\u30fc\u30de<\/a>\u3092\u4f7f\u7528\u3059\u308b\u304b\u3001\u307e\u305a\u306f<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/staging-environment\/\">\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u74b0\u5883<\/a>\u3067\u5909\u66f4\u3092\u52a0\u3048\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002\u64cd\u4f5c\u306b\u4e0d\u5b89\u304c\u3042\u308b\u5834\u5408\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/hire-wordpress-developer\/\">\u958b\u767a\u8005<\/a>\u306b\u76f8\u8ac7\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/aside>\n\n<p>\u3088\u308a\u7c21\u5358\u306a\u89e3\u6c7a\u7b56\u3068\u3057\u3066\u3001<a href=\"https:\/\/perfmatters.io\/\" target=\"_blank\" rel=\"noopener noreferrer\">Perfmatters<\/a>\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308c\u3070\u3001\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067WordPress\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u975e\u8868\u793a\u306b\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u4ed6\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u6700\u9069\u5316\u3082\u884c\u3048\u308b\u305f\u3081\u4fbf\u5229\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u3059\u3002<\/p>\n<h2>5. WordPress\u7ba1\u7406\u753b\u9762\u306e\u4fdd\u8b77\u3092\u5f37\u5316\u3059\u308b<\/h2>\n<p>\u78ba\u5b9f\u306a\u89e3\u6c7a\u7b56\u3068\u3044\u3046\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u60aa\u610f\u3042\u308b\u30e6\u30fc\u30b6\u30fc\u304cWordPress\u30b5\u30a4\u30c8\u3078\u306e\u30ed\u30b0\u30a4\u30f3\u30da\u30fc\u30b8\u3092\u898b\u3064\u3051\u306b\u304f\u304f\u3059\u308b\u3053\u3068\u3067\u3001\u30d6\u30eb\u30fc\u30c8\u30d5\u30a9\u30fc\u30b9\u653b\u6483\u3084\u60aa\u610f\u306e\u3042\u308b\u30dc\u30c3\u30c8\u306b\u3088\u308b\u653b\u6483\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>WordPress\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30ed\u30b0\u30a4\u30f3\u30da\u30fc\u30b8\u306f<code>wp-admin<\/code>\u3067\u3042\u308a\u3001\u3053\u308c\u306f\u30cf\u30c3\u30ab\u30fc\u306e\u9593\u3067\u3082\u5468\u77e5\u306e\u4e8b\u5b9f\u3067\u3059\u3002\u30cf\u30c3\u30ab\u30fc\u304c\u7ba1\u7406\u753b\u9762\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308c\u3070\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u6ce8\u5165\u3084\u30d5\u30a1\u30a4\u30eb\u306e\u5909\u66f4\u3001\u3042\u308b\u3044\u306f\u30ed\u30c3\u30af\u30a2\u30a6\u30c8\u306a\u3069\u3001\u5b8c\u5168\u306b\u30b5\u30a4\u30c8\u3092\u5236\u5fa1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>WordPress\u7ba1\u7406\u753b\u9762\u306e\u4fdd\u8b77\u3092\u5f37\u5316\u3059\u308b\u3053\u3068\u3067\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u30ec\u30a4\u30e4\u30fc\u304c\u8ffd\u52a0\u3055\u308c\u3001\u305f\u3068\u3048\u4ed6\u306e\u5834\u6240\u306b\u8106\u5f31\u6027\u304c\u3042\u3063\u305f\u3068\u3057\u3066\u3082\u3001\u653b\u6483\u8005\u304c\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>WordPress\u7ba1\u7406\u753b\u9762\u3092\u4fdd\u8b77\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u3092\u5b9f\u8df5\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li>\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30ed\u30b0\u30a4\u30f3URL\u3092\u5909\u66f4\u3057\u3066\u3001\u7c21\u5358\u306b\u898b\u3064\u3051\u3089\u308c\u306a\u3044\u3088\u3046\u306b\u3059\u308b<\/li>\n<li>\u30d6\u30eb\u30fc\u30c8\u30d5\u30a9\u30fc\u30b9\u653b\u6483\u3092\u963b\u6b62\u3059\u308b\u305f\u3081\u306b\u30ed\u30b0\u30a4\u30f3\u8a66\u884c\u3092\u5236\u9650\u3059\u308b<\/li>\n<li>\u30ed\u30b0\u30a4\u30f3\u30da\u30fc\u30b8\u3092\u8aad\u307f\u8fbc\u3080\u524d\u306b\u3001\u30e6\u30fc\u30b6\u30fc\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u8981\u6c42\u3059\u308bHTTP\u8a8d\u8a3c\u3092\u8ffd\u52a0\u3059\u308b<\/li>\n<li>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3084\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u306e\u30eb\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u7ba1\u7406\u8005\u30a2\u30af\u30bb\u30b9\u3092\u7279\u5b9a\u306eIP\u306b\u5236\u9650\u3059\u308b<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u5bfe\u7b56\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u4e0d\u6b63\u306a\u30ed\u30b0\u30a4\u30f3\u3092\u9632\u304e\u3001\u7ba1\u7406\u753b\u9762\u304c\u60aa\u7528\u3055\u308c\u308b\u30ea\u30b9\u30af\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u30011\u3064\u305a\u3064\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>WordPress\u306e\u30ed\u30b0\u30a4\u30f3URL\u3092\u5909\u66f4\u3059\u308b<\/h3>\n<p>WordPress\u30b5\u30a4\u30c8\u3078\u306e\u30ed\u30b0\u30a4\u30f3URL\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067<code>domain.com\/wp-admin<\/code>\u307e\u305f\u306f<code>domain.com\/wp-login.php<\/code>\u306b\u306a\u308a\u307e\u3059\u3002\u30cf\u30c3\u30ab\u30fc\u3084\u30dc\u30c3\u30c8\u306f\u5e38\u306b\u30b5\u30a4\u30c8\u3092\u30b9\u30ad\u30e3\u30f3\u3057\u306a\u304c\u3089\u3001\u653b\u6483\u3092\u884c\u3046\u305f\u3081\u306e\u30ed\u30b0\u30a4\u30f3\u30da\u30fc\u30b8\u3092\u63a2\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30ed\u30b0\u30a4\u30f3URL\u3092\u5909\u66f4\u3057\u305f\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u30b5\u30a4\u30c8\u304c\u5b8c\u5168\u306b\u5b89\u5168\u306b\u306a\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u653b\u6483\u306e\u6a19\u7684\u306b\u306a\u308a\u306b\u304f\u304f\u306a\u308a\u3001\u7279\u306b\u81ea\u52d5\u5316\u3055\u308c\u3066\u3044\u308b\u653b\u6483\u3092\u5287\u7684\u306b\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30ed\u30b0\u30a4\u30f3URL\u3092\u5909\u66f4\u3059\u308b\u306b\u306f\u3001<a href=\"https:\/\/wordpress.org\/plugins\/wps-hide-login\/\" target=\"_blank\" rel=\"noopener noreferrer\">WPS Hide Login<\/a>\u306e\u3088\u3046\u306a\u7121\u6599\u30d7\u30e9\u30b0\u30a4\u30f3\u3001\u307e\u305f\u306f<a href=\"https:\/\/perfmatters.io\/docs\/change-wordpress-login-url\/\" target=\"_blank\" rel=\"noopener noreferrer\">Perfmatters<\/a>\u306a\u3069\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u72ec\u81ea\u306e\u30ed\u30b0\u30a4\u30f3\u30d1\u30b9\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u4ed6\u306e\u4eba\u306f\u7ba1\u7406\u8005\u30ed\u30b0\u30a4\u30f3\u30da\u30fc\u30b8\u3092\u898b\u3064\u3051\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002\u30dc\u30c3\u30c8\u306b\u63a8\u6e2c\u3055\u308c\u306b\u304f\u3044\u4e00\u610f\u306eURL\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u30ed\u30b0\u30a4\u30f3\u306e\u8a66\u884c\u3092\u5236\u9650\u3059\u308b<\/h3>\n<p>\u30ed\u30b0\u30a4\u30f3URL\u3092\u96a0\u3057\u305f\u3068\u3057\u3066\u3082\u3001\u653b\u6483\u8005\u306f\u30d6\u30eb\u30fc\u30c8\u30d5\u30a9\u30fc\u30b9\u653b\u6483\uff08\u6b63\u3057\u3044\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u898b\u3064\u3051\u308b\u307e\u3067\u4f55\u5343\u3082\u306e\u30e6\u30fc\u30b6\u30fc\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u8a66\u3059\u653b\u6483\uff09\u3067\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u63a8\u6e2c\u3057\u3088\u3046\u3068\u3059\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002WordPress\u3067\u306f\u3001\u30ed\u30b0\u30a4\u30f3\u8a66\u884c\u306e\u56de\u6570\u306b\u5236\u9650\u3092\u8a2d\u3051\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u7121\u9650\u306b\u8a66\u884c\u3055\u308c\u7d9a\u3051\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>IP\u30a2\u30c9\u30ec\u30b9\u304c\u4e00\u6642\u7684\u306b\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\u307e\u3067\u306e\u30ed\u30b0\u30a4\u30f3\u8a66\u884c\u56de\u6570\u3092\u5236\u9650\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u3088\u3046\u306a\u653b\u6483\u3092\u56de\u907f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u3001<a href=\"https:\/\/wordpress.org\/plugins\/limit-login-attempts-reloaded\/\" target=\"_blank\" rel=\"noopener noreferrer\">Limit Login Attempts Reloaded<\/a>\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002\u30d6\u30ed\u30c3\u30af\u3059\u308b\u671f\u9593\u3068\u30ed\u30b0\u30a4\u30f3\u8a66\u884c\u56de\u6570\u3092\u8a2d\u5b9a\u3057\u3001IP\u30a2\u30c9\u30ec\u30b9\u306e\u8a31\u53ef\u30ea\u30b9\u30c8\u307e\u305f\u306f\u30d6\u30ed\u30c3\u30af\u30ea\u30b9\u30c8\u767b\u9332\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2025\/03\/limit-login-reloaded.png\" alt=\"Limit Login Attempts Reloaded\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">Limit Login Attempts Reloaded<\/figcaption><\/figure>\n<p>\u307e\u305f\u5225\u306e\u9078\u629e\u80a2\u3068\u3057\u3066\u3001<a href=\"https:\/\/wordpress.org\/plugins\/login-lockdown\/\" target=\"_blank\" rel=\"noopener noreferrer\">Login Lockdown &#038; Protection<\/a>\u306f\u3001\u5931\u6557\u3057\u305f\u30ed\u30b0\u30a4\u30f3\u8a66\u884c\u306eIP\u30a2\u30c9\u30ec\u30b9\u3068\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u8a18\u9332\u3057\u3001\u77ed\u671f\u9593\u306b\u8a66\u884c\u56de\u6570\u304c\u591a\u3059\u304e\u308b\u5834\u5408\u306b\u30a2\u30af\u30bb\u30b9\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3066\u304f\u308c\u307e\u3059\u3002\u6b63\u5f53\u306a\u30e6\u30fc\u30b6\u30fc\u304c\u7c21\u5358\u306b\u30d6\u30ed\u30c3\u30af\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u3057\u306a\u304c\u3089\u3001\u81ea\u52d5\u5316\u3055\u308c\u305f\u653b\u6483\u3092\u9632\u3050\u306e\u306b\u4fbf\u5229\u3067\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2025\/03\/login-protection-settings.png\" alt=\"Login Lockdown &#038; Protection\u306e\u8a2d\u5b9a\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">Login Lockdown &#038; Protection\u306e\u8a2d\u5b9a<\/figcaption><\/figure>\n<h3>HTTP\u8a8d\u8a3c\u306e\u8ffd\u52a0\u306b\u3088\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5f37\u5316<\/h3>\n<p>\u30ed\u30b0\u30a4\u30f3\u30da\u30fc\u30b8\u3092\u4fdd\u8b77\u3059\u308b\u3082\u30461\u3064\u306e\u52b9\u679c\u7684\u306a\u65b9\u6cd5\u306f\u3001\u8ab0\u304b\u304c\u30a2\u30af\u30bb\u30b9\u3059\u308b\u524d\u306b\u30d1\u30b9\u30ef\u30fc\u30c9\u4fdd\u8b77\u306e\u30ec\u30a4\u30e4\u30fc\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001WordPress\u306e\u30ed\u30b0\u30a4\u30f3\u30da\u30fc\u30b8\u3092\u8868\u793a\u3059\u308b\u524d\u306b\u3001\u30e6\u30fc\u30b6\u30fc\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u5165\u529b\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2025\/03\/http-authentication.png\" alt=\"HTTP\u8a8d\u8a3c\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">HTTP\u8a8d\u8a3c<\/figcaption><\/figure>\n<p>\u3053\u306e\u65b9\u6cd5\u306f\u975e\u5e38\u306b\u52b9\u679c\u7684\u3067\u3059\u304c\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u983b\u7e41\u306b\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308bEC\u30b5\u30a4\u30c8\u3084\u4f1a\u54e1\u5236\u30b5\u30a4\u30c8\u306b\u306f\u5411\u304d\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001\u30d6\u30ed\u30b0\u3084\u4f01\u696d\u30b5\u30a4\u30c8\u3001\u500b\u4eba\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306a\u3069\u3067\u306f\u3001\u4e0d\u6b63\u30ed\u30b0\u30a4\u30f3\u306e\u8a66\u884c\u3092\u5927\u5e45\u306b\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u591a\u304f\u306e\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u7d44\u307f\u8fbc\u307f\u3067\u3053\u306e\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002Kinsta\u3067\u306f\u3001MyKinsta\u306e\u5404\u30b5\u30a4\u30c8\u306e\u300c<strong>\u30c4\u30fc\u30eb<\/strong>\u300d\u753b\u9762\u304b\u3089\u300c<strong>\u30d1\u30b9\u30ef\u30fc\u30c9\u4fdd\u8b77<\/strong>\u300d\u6a5f\u80fd\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_59527\" aria-describedby=\"caption-attachment-59527\" style=\"width: 1475px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-59527 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/02\/password-protection.png\" alt=\"MyKinsta\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u4fdd\u8b77\u6a5f\u80fd\" width=\"1475\" height=\"385\" srcset=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/02\/password-protection.png 1475w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/02\/password-protection-300x78.png 300w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/02\/password-protection-1024x267.png 1024w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/02\/password-protection-768x200.png 768w\" sizes=\"auto, (max-width: 1475px) 100vw, 1475px\" \/><figcaption id=\"caption-attachment-59527\" class=\"wp-caption-text\">MyKinsta\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u4fdd\u8b77\u6a5f\u80fd<\/figcaption><\/figure>\n<p>\u6570\u56de\u306e\u30af\u30ea\u30c3\u30af\u3067HTTP\u8a8d\u8a3c\u3092\u6709\u52b9\u306b\u3057\u3001WordPress\u306e\u30ed\u30b0\u30a4\u30f3\u30da\u30fc\u30b8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u524d\u306b\u30e6\u30fc\u30b6\u30fc\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u5165\u529b\u3092\u8981\u6c42\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-apache\/\">Apache\u30b5\u30fc\u30d0\u30fc<\/a>\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001<code>.htpasswd<\/code>\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u3066\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<a href=\"http:\/\/www.htaccesstools.com\/htpasswd-generator\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u3053\u306e\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u30fc\u30c4\u30fc\u30eb<\/a>\u3092\u4f7f\u3063\u3066\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b<code>wp-admin<\/code>\u30d5\u30a9\u30eb\u30c0\u4e0b\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-bash\">home\/user\/.htpasswds\/public_html\/wp-admin\/htpasswd\/<\/code><\/pre>\n<p>\u7d9a\u3044\u3066\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3067<code>.htaccess<\/code>\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u3001<code>\/wp-admin\/<\/code>\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u30d1\u30b9\u3068\u30e6\u30fc\u30b6\u30fc\u540d\u306f\u5fc5\u305a\u5909\u66f4\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre><code class=\"language-bash\">AuthName \"Admins Only\"\nAuthUserFile \/home\/yourdirectory\/.htpasswds\/public_html\/wp-admin\/htpasswd\nAuthType basic\nrequire user yourusername<\/code><\/pre>\n<p>\u3053\u306e\u65b9\u6cd5\u306e\u61f8\u5ff5\u70b9\u3068\u3057\u3066\u3001\u30b5\u30a4\u30c8\u306e\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u306eAJAX\uff08admin-ajax\uff09\u304c\u58ca\u308c\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u4e2d\u306b\u306f\u3001\u3053\u308c\u3092\u5fc5\u8981\u3068\u3059\u308b\u3082\u306e\u304c\u3042\u308b\u305f\u3081\u3001\u4e0a\u8a18\u306e<code>.htaccess<\/code>\u30d5\u30a1\u30a4\u30eb\u306b\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3082\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-bash\">&lt;Files admin-ajax.php&gt;\nOrder allow,deny\nAllow from all\nSatisfy any\n&lt;\/Files&gt;<\/code><\/pre>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-nginx\/\">Nginx<\/a>\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001<a href=\"https:\/\/www.nginx.com\/resources\/admin-guide\/restricting-access-auth-basic\/\">HTTP\u306eBasic\u8a8d\u8a3c\u3067\u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650<\/a>\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<h3>IP\u30a2\u30c9\u30ec\u30b9\u306b\u3088\u308b\u7ba1\u7406\u8005\u30a2\u30af\u30bb\u30b9\u306e\u5236\u9650<\/h3>\n<p>WordPress\u306e\u30ed\u30b0\u30a4\u30f3\u30da\u30fc\u30b8\u3092\u6a19\u7684\u306b\u3001\u4f55\u5343\u3082\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u8a66\u3059\u30d6\u30eb\u30fc\u30c8\u30d5\u30a9\u30fc\u30b9\u653b\u6483\u3067\u3059\u304c\u3001\u30ed\u30b0\u30a4\u30f3\u30da\u30fc\u30b8\u306b\u5230\u9054\u3067\u304d\u306a\u3051\u308c\u3070\u3001\u305d\u3082\u305d\u3082\u653b\u6483\u3092\u4ed5\u639b\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u7279\u5b9a\u306eIP\u30a2\u30c9\u30ec\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650\u3059\u308b\u306e\u304c\u52b9\u679c\u7684\u3067\u3059\u3002\u627f\u8a8d\u3055\u308c\u305f\u5834\u6240\u304b\u3089\u306e\u30e6\u30fc\u30b6\u30fc\u306e\u307f\u304c\u30ed\u30b0\u30a4\u30f3\u53ef\u80fd\u306b\u306a\u308a\u3001\u305d\u308c\u4ee5\u5916\u306e\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u305f\u3068\u3048\u6b63\u3057\u3044\u8a8d\u8a3c\u60c5\u5831\u3092\u6301\u3063\u3066\u3044\u305f\u3068\u3057\u3066\u3082\u30d6\u30ed\u30c3\u30af\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>Cloudflare\u306e\u3088\u3046\u306a<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-a-firewall\/\">\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/a>\uff08WAF\uff09\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001<a href=\"https:\/\/developers.cloudflare.com\/waf\/tools\/zone-lockdown\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u30be\u30fc\u30f3\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u6a5f\u80fd<\/a>\u3067<code>\/wp-admin\/<\/code>\u3068<code>\/wp-login.php\/<\/code>\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u627f\u8a8d\u3055\u308c\u305fIP\u30a2\u30c9\u30ec\u30b9\u306e\u307f\u306b\u5236\u9650\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2025\/03\/cloudflare-zone-lockdown.png\" alt=\"Cloudflare\u306e\u30be\u30fc\u30f3\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u30eb\u30fc\u30eb\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">Cloudflare\u306e\u30be\u30fc\u30f3\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u30eb\u30fc\u30eb<\/figcaption><\/figure>\n<p>\u3057\u304b\u3057Cloudflare\u306f\u73fe\u5728\u3001\u3088\u308a\u67d4\u8edf\u6027\u306e\u9ad8\u3044<a href=\"https:\/\/developers.cloudflare.com\/waf\/custom-rules\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u30ab\u30b9\u30bf\u30e0WAF\u30eb\u30fc\u30eb<\/a>\u306e\u4f7f\u7528\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2025\/03\/custom-waf-rules.png\" alt=\"Cloudflare\u306e\u30ab\u30b9\u30bf\u30e0WAF\u30eb\u30fc\u30eb\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">Cloudflare\u306e\u30ab\u30b9\u30bf\u30e0WAF\u30eb\u30fc\u30eb<\/figcaption><\/figure>\n<p>Sucuri\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001IP\u304c\u8a31\u53ef\u30ea\u30b9\u30c8\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u306a\u3044\u9650\u308a\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u81ea\u52d5\u7684\u306b\u7ba1\u7406\u753b\u9762\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650\u3057\u307e\u3059\u3002\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001Sucuri\u306e\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u304b\u3089\u73fe\u5728\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u8a31\u53ef\u30ea\u30b9\u30c8\u306b\u8ffd\u52a0\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u81ea\u793e\u3067\u30b5\u30fc\u30d0\u30fc\u3092\u7ba1\u7406\u3057\u3066\u3044\u3066\u3001\u9759\u7684IP\u30a2\u30c9\u30ec\u30b9\u3092\u6301\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001<code>.htaccess<\/code>\uff08Apache\uff09\u307e\u305f\u306fNginx\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3067\u3001\u8a31\u53efIP\u3092\u6307\u5b9a\u3057\u3066\u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u306f\u983b\u7e41\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5909\u66f4\u3057\u306a\u3044\u5834\u5408\u306b\u306e\u307f\u5b9f\u7528\u7684\u3067\u3059\u3002<\/p>\n<p>\u5148\u306b\u89e6\u308c\u305f\u3068\u304a\u308a\u3001\u3053\u306e\u65b9\u6cd5\u306f\u8907\u6570\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306b\u983b\u7e41\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u306b\u306a\u308bEC\u30b5\u30a4\u30c8\u3084\u4f1a\u54e1\u5236\u30b5\u30a4\u30c8\u306b\u306f\u4e0d\u5411\u304d\u3067\u3059\u3002IP\u3067\u30a2\u30af\u30bb\u30b9\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3068\u3001\u6b63\u5f53\u306a\u9867\u5ba2\u3084\u30c1\u30fc\u30e0\u30e1\u30f3\u30d0\u30fc\u304c\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u7ba1\u7406\u3067\u304d\u306a\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u4e8c\u8981\u7d20\u8a8d\u8a3c\uff082FA\uff09\u3084\u5f37\u529b\u306a\u30d1\u30b9\u30ef\u30fc\u30c9\u30dd\u30ea\u30b7\u30fc\u306a\u3069\u3001\u4ed6\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n<h2>6. \u5f37\u56fa\u306a\u30e6\u30fc\u30b6\u30fc\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3059\u308b<\/h2>\n<p>\u3042\u308a\u3075\u308c\u305f\u8a8d\u8a3c\u60c5\u5831\u306f\u3001\u653b\u6483\u8005\u306b\u3068\u3063\u3066\u683c\u597d\u306e\u6a19\u7684\u3068\u306a\u308a\u307e\u3059\u3002\u6bce\u5e74\u3001\u4f55\u767e\u4e07\u4eba\u3082\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u300c123456\u300d\u300cpassword\u300d\u300cqwerty\u300d\u306a\u3069\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u304c<a href=\"https:\/\/nordpass.com\/most-common-passwords-list\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ec\u30dd\u30fc\u30c8<\/a>\u3067\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u60aa\u610f\u306e\u3042\u308b\u30e6\u30fc\u30b6\u30fc\u306f\u3053\u308c\u3092\u5229\u7528\u3057\u3001\u81ea\u52d5\u5316\u3057\u305f\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f7f\u7528\u3057\u3066\u30ed\u30b0\u30a4\u30f3\u8a8d\u8a3c\u60c5\u5831\u3092\u8fc5\u901f\u306b\u63a8\u6e2c\u3059\u308b\u30d6\u30eb\u30fc\u30c8\u30d5\u30a9\u30fc\u30b9\u653b\u6483\u3092\u4ed5\u639b\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30b5\u30a4\u30c8\u3092\u5b88\u308b\u306b\u306f\u3001\u5927\u6587\u5b57\u3001\u5c0f\u6587\u5b57\u3001\u6570\u5b57\u3001\u8a18\u53f7\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u9577\u304f\u3066\u8907\u96d1\u306a\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5e38\u306b\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u7ba1\u7406\u306f\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u63d0\u6848\u3057\u5b89\u5168\u306b\u4fdd\u5b58\u3057\u3066\u304f\u308c\u308b<a href=\"https:\/\/passwords.google.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Google \u30d1\u30b9\u30ef\u30fc\u30c9 \u30de\u30cd\u30fc\u30b8\u30e3\u30fc<\/a>\u306e\u3088\u3046\u306a\u30c4\u30fc\u30eb\u3092\u4f7f\u3048\u3070\u7c21\u7d20\u5316\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_64388\" aria-describedby=\"caption-attachment-64388\" style=\"width: 1708px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-64388 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/generate-strong-password.png\" alt=\"Google \u30d1\u30b9\u30ef\u30fc\u30c9 \u30de\u30cd\u30fc\u30b8\u30e3\u30fc\" width=\"1708\" height=\"632\" srcset=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/generate-strong-password.png 1708w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/generate-strong-password-300x111.png 300w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/generate-strong-password-1024x379.png 1024w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/generate-strong-password-768x284.png 768w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/generate-strong-password-1536x568.png 1536w\" sizes=\"auto, (max-width: 1708px) 100vw, 1708px\" \/><figcaption id=\"caption-attachment-64388\" class=\"wp-caption-text\">Google \u30d1\u30b9\u30ef\u30fc\u30c9 \u30de\u30cd\u30fc\u30b8\u30e3\u30fc<\/figcaption><\/figure>\n<p>Kinsta\u3067\u306fWordPress\u30b5\u30a4\u30c8\u3092\u8ffd\u52a0\u3059\u308b\u969b\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u53f3\u5074\u306b\u3042\u308b\u4e38\u304f\u306a\u3063\u305f\u77e2\u5370\u306e\u30a2\u30a4\u30b3\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u5f37\u529b\u306a\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u81ea\u52d5\u751f\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/blog\/password-managers\/#8-1password\">1Password<\/a>\u3084<a href=\"https:\/\/kinsta.com\/jp\/blog\/password-managers\/#6-lastpass\">LastPass<\/a>\u306e\u3088\u3046\u306a\u30d1\u30b9\u30ef\u30fc\u30c9\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u306b\u5b89\u5168\u306b\u4fdd\u5b58\u3059\u308b\u3053\u3068\u3067\u3001\u7570\u306a\u308b\u30b5\u30a4\u30c8\u9593\u3067\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u30b5\u30a4\u30c8\u3059\u308b\u5fc5\u8981\u3082\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_64389\" aria-describedby=\"caption-attachment-64389\" style=\"width: 1069px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-64389 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/mykinsta-generate-password.png\" alt=\"MyKinsta\u3067\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u81ea\u52d5\u751f\u6210\" width=\"1069\" height=\"132\" srcset=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/mykinsta-generate-password.png 1069w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/mykinsta-generate-password-300x37.png 300w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/mykinsta-generate-password-1024x126.png 1024w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/mykinsta-generate-password-768x95.png 768w\" sizes=\"auto, (max-width: 1069px) 100vw, 1069px\" \/><figcaption id=\"caption-attachment-64389\" class=\"wp-caption-text\">MyKinsta\u3067\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u81ea\u52d5\u751f\u6210<\/figcaption><\/figure>\n<p>\u307e\u305f\u5fd8\u308c\u3066\u306f\u306a\u3089\u306a\u3044\u306e\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30e6\u30fc\u30b6\u30fc\u540d\u300cadmin\u300d\u3092\u907f\u3051\u308b\u3053\u3068\u3067\u3059\u3002\u30d6\u30eb\u30fc\u30c8\u30d5\u30a9\u30fc\u30b9\u653b\u6483\u3067\u306f\u3001\u983b\u7e41\u306b\u3053\u306e\u30e6\u30fc\u30b6\u30fc\u540d\u304c\u72d9\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u300cadmin\u300d\u3092\u524a\u9664\u3057\u3066\u4e00\u610f\u306e\u7ba1\u7406\u8005\u30e6\u30fc\u30b6\u30fc\u540d\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u3092\u5b9f\u884c\u3059\u308b\u306b\u306f\u3001WordPress\u7ba1\u7406\u753b\u9762\u306e\u300c<strong>\u30e6\u30fc\u30b6\u30fc<\/strong>\u300d\uff1e\u300c<strong>\u65b0\u898f\u30e6\u30fc\u30b6\u30fc\u3092\u8ffd\u52a0<\/strong>\u300d\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-64390\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-add-user.png\" alt width=\"1928\" height=\"1402\" srcset=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-add-user.png 1928w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-add-user-300x218.png 300w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-add-user-1024x745.png 1024w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-add-user-768x558.png 768w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-add-user-1536x1117.png 1536w\" sizes=\"auto, (max-width: 1928px) 100vw, 1928px\" \/><\/p>\n<p>\u65b0\u898f\u30e6\u30fc\u30b6\u30fc\u3092\u8a2d\u5b9a\u3057\u305f\u3089\u3001\u53e4\u3044\u3082\u306e\u3092\u524a\u9664\u3057\u3001\u65b0\u898f\u7ba1\u7406\u8005\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u5272\u308a\u5f53\u3066\u76f4\u3057\u307e\u3059\u3002<\/p>\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u76f4\u63a5\u7ba1\u7406\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/install-phpmyadmin\/\">phpMyAdmin<\/a>\u3067\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3063\u3066\u7ba1\u7406\u8005\u30e6\u30fc\u30b6\u30fc\u540d\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\uff08\u5909\u66f4\u524d\u306b\u306f\u5fc5\u305a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u4f5c\u6210\u3057\u3066\u304f\u3060\u3055\u3044\uff09\u3002<\/p>\n<pre><code class=\"language-bash\">UPDATE wp_users SET user_login = 'newcomplexadminuser' WHERE user_login = 'admin';<\/code><\/pre>\n<h2>7. \u4e8c\u8981\u7d20\u8a8d\u8a3c\uff082FA\uff09\u3092\u6709\u52b9\u306b\u3059\u308b<\/h2>\n<p>\u3069\u3093\u306a\u306b\u5f37\u529b\u306a\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u3066\u3082\u3001\u76d7\u307e\u308c\u305f\u308a\u63a8\u6e2c\u3055\u308c\u305f\u308a\u3059\u308b\u30ea\u30b9\u30af\u306f\u30bc\u30ed\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-two-factor-authentication\/\">\u4e8c\u8981\u7d20\u8a8d\u8a3c<\/a>\uff082FA\uff09\u306f\u3001\u30a2\u30af\u30bb\u30b9\u3092\u8a31\u53ef\u3059\u308b\u524d\u306b\u7b2c\u4e8c\u306e\u8a8d\u8a3c\u3092\u8981\u6c42\u3059\u308b\u3053\u3068\u3067\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306f\u901a\u5e38\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-two-factor-authentication\/#google-authenticator\">\u8a8d\u8a3c\u30a2\u30d7\u30ea<\/a>\u3001SMS\u30e1\u30c3\u30bb\u30fc\u30b8\u3001\u307e\u305f\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ad\u30fc\u306b\u3088\u3063\u3066\u751f\u6210\u3055\u308c\u305f\u4e00\u5ea6\u9650\u308a\u306e\u30b3\u30fc\u30c9\u306e\u5165\u529b\u306b\u306a\u308a\u307e\u3059\u3002\u653b\u6483\u8005\u304c\u30d1\u30b9\u30ef\u30fc\u30c9\u3068\u4e8c\u8981\u7d20\u8a8d\u8a3c\u306b\u5fc5\u8981\u306b\u306a\u308b\u5225\u306e\u30c7\u30d0\u30a4\u30b9\u306e\u4e21\u65b9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3053\u3068\u306f\u307b\u3068\u3093\u3069\u306a\u3044\u305f\u3081\u3001\u4e8c\u8981\u7d20\u8a8d\u8a3c\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u306f\u3001\u4e0d\u6b63\u30ed\u30b0\u30a4\u30f3\u3092\u9632\u3050\u6700\u3082\u52b9\u679c\u7684\u306a\u65b9\u6cd5\u306e1\u3064\u3067\u3059\u3002<\/p>\n<p>\u4e8c\u8981\u7d20\u8a8d\u8a3c\u306f\u4ee5\u4e0b\u306e2\u3064\u3067\u5229\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li>\u30b5\u30fc\u30d0\u30fc\u30a2\u30ab\u30a6\u30f3\u30c8\uff1a\u4f55\u8005\u304b\u304c\u30b5\u30fc\u30d0\u30fc\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb\u306b\u4fb5\u5165\u3059\u308b\u3068\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5909\u66f4\u3057\u305f\u308a\u3001DNS\u8a2d\u5b9a\u3092\u5909\u66f4\u3057\u305f\u308a\u3001\u30b5\u30a4\u30c8\u3092\u524a\u9664\u3057\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002Kinsta\u3067\u306f<a href=\"https:\/\/kinsta.com\/jp\/docs\/user-settings\/logging-in\/#enable-two-factor-authentication-2-fa\">MyKinsta\u3067\u4e8c\u8981\u7d20\u8a8d\u8a3c\u3092\u30b5\u30dd\u30fc\u30c8<\/a>\u3057\u3066\u304a\u308a\u3001Google Authenticator\u306e\u3088\u3046\u306a\u8a8d\u8a3c\u30a2\u30d7\u30ea\u304b\u3089\u30ef\u30f3\u30bf\u30a4\u30e0\u30b3\u30fc\u30c9\u3092\u8981\u6c42\u3057\u3001\u8a31\u53ef\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u3060\u3051\u304c\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>WordPress\u306e\u30ed\u30b0\u30a4\u30f3\u30da\u30fc\u30b8\uff1aWordPress\u306b\u306f\u4e8c\u8981\u7d20\u8a8d\u8a3c\u306f\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u304c\u3001<a href=\"https:\/\/wordpress.org\/plugins\/miniorange-2-factor-authentication\/\" target=\"_blank\" rel=\"noopener noreferrer\">Google Authenticator<\/a>\u3084<a href=\"https:\/\/wordpress.org\/plugins\/two-factor-authentication\/\" target=\"_blank\" rel=\"noopener noreferrer\">Two Factor Authentication<\/a>\u306a\u3069\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u7528\u3057\u3066\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u8a8d\u8a3c\u30a2\u30d7\u30ea\u3068\u7d71\u5408\u3057\u3001\u30ed\u30b0\u30a4\u30f3\u6642\u306b\u30ef\u30f3\u30bf\u30a4\u30e0\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b3\u30fc\u30c9\u306e\u5165\u529b\u3092\u8981\u6c42\u53ef\u80fd\u3067\u3059\u3002<\/li>\n<\/ul>\n<p>\u4e00\u5ea6\u8a2d\u5b9a\u3059\u308b\u3068\u3001WordPress\u306e\u30ed\u30b0\u30a4\u30f3\u30da\u30fc\u30b8\u3067\u8ffd\u52a0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b3\u30fc\u30c9\u306e\u5165\u529b\u3092\u6c42\u3081\u3089\u308c\u308b\u305f\u3081\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u306e\u30ea\u30b9\u30af\u3092\u5927\u5e45\u306b\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>8. SSL\u8a3c\u660e\u66f8\u3092\u5c0e\u5165\u3057\u3066HTTPS\u3092\u4f7f\u7528\u3059\u308b<\/h2>\n<p>WordPress\u30b5\u30a4\u30c8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3068\u3057\u3066\u898b\u843d\u3068\u3055\u308c\u304c\u3061\u306a\u306e\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/wordpress-domains\/wordpress-ssl-certificates\/\">SSL\u8a3c\u660e\u66f8\u3092\u30b5\u30a4\u30c8\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/a>\u3057\u3001HTTPS\uff08Hypertext Transfer Protocol Secure\uff09\u3067\u30b5\u30a4\u30c8\u3092\u904b\u55b6\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>HTTPS\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3068\u8a2a\u554f\u8005\u306e\u9593\u3067\u3084\u308a\u53d6\u308a\u3055\u308c\u308b\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3057\u3001\u7b2c\u4e09\u8005\u304c\u6a5f\u5bc6\u60c5\u5831\u3092\u508d\u53d7\u3059\u308b\u306e\u3092\u9632\u3050\u6280\u8853\u3067\u3059\u3002SSL\u8a3c\u660e\u66f8\u306fEC\u30b5\u30a4\u30c8\u306e\u307f\u306b\u5fc5\u8981\u306a\u3082\u306e\u3068\u8a8d\u8b58\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u304c\u3001\u30ed\u30b0\u30a4\u30f3\u60c5\u5831\u3084\u30e6\u30fc\u30b6\u30fc\u30c7\u30fc\u30bf\u3092\u53ce\u96c6\u3057\u305f\u308a\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u89e3\u6790\u3092\u884c\u3063\u305f\u308a\u3059\u308b\u30b5\u30a4\u30c8\u3067\u306f\u3001\u6697\u53f7\u5316\u306e\u6069\u6075\u3092\u53d7\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u591a\u304f\u306e\u30b5\u30fc\u30d0\u30fc\u3067\u306f\u3001Let&#8217;s Encrypt\u306a\u3069\u306e\u7121\u6599SSL\u8a3c\u660e\u66f8\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002Kinsta\u3067\u306fCloudflare\u7d71\u5408\u306b\u3088\u308a\u3001\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u5bfe\u5fdc\u306e<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/wordpress-domains\/wordpress-ssl-certificates\/\">SSL\u8a3c\u660e\u66f8<\/a>\u3092\u7121\u6599\u304b\u3064\u81ea\u52d5\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304a\u308a\u3001\u624b\u9593\u306a\u304f\u30b5\u30a4\u30c8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>HTTP\u3067\u30b5\u30a4\u30c8\u3092\u904b\u55b6\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u89b3\u70b9\u304b\u3089\u8fc5\u901f\u306bSSL\u8a3c\u660e\u66f8\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff1a<\/strong>HTTPS\u306a\u3057\u3067\u306f\u3001\u30ed\u30b0\u30a4\u30f3\u8a8d\u8a3c\u60c5\u5831\u3084\u30e6\u30fc\u30b6\u30fc\u60c5\u5831\u304c\u30d7\u30ec\u30fc\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u9001\u4fe1\u3055\u308c\u308b\u305f\u3081\u3001\u30cf\u30c3\u30ab\u30fc\u306e\u6a19\u7684\u306b\u306a\u308a\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002HTTPS\u306f\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3057\u3066\u4e2d\u9593\u8005\u653b\u6483\u3092\u9632\u304e\u3001\u30b5\u30a4\u30c8\u4e0a\u306e\u3059\u3079\u3066\u306e\u3084\u308a\u53d6\u308a\u3092\u5b88\u308a\u307e\u3059\u3002<\/li>\n<li><strong>SEO<\/strong>\uff1a<a href=\"https:\/\/developers.google.com\/search\/blog\/2014\/08\/https-as-ranking-signal\" target=\"_blank\" rel=\"noopener noreferrer\">Google<\/a>\u306f\u3001HTTPS\u306e\u5c0e\u5165\u304c\u30e9\u30f3\u30ad\u30f3\u30b0\u8981\u56e0\u3067\u3042\u308b\u3053\u3068\u3092\u516c\u8868\u3057\u3066\u3044\u307e\u3059\u3002\u5b89\u5168\u306a\u63a5\u7d9a\u306f\u4fe1\u983c\u6027\u3092\u793a\u3057\u3001\u691c\u7d22\u306e\u53ef\u8996\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u4fe1\u983c\u3068\u4fe1\u7528<\/strong>\uff1a\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u5b89\u5168\u306a\u63a5\u7d9a\u3092\u8a3c\u660e\u3059\u308b\u300ctune\u30a2\u30a4\u30b3\u30f3\u300d\u3092\u7121\u610f\u8b58\u306b\u63a2\u3057\u307e\u3059\u3002<a href=\"http:\/\/downloads.globalsign.com\/acton\/attachment\/2674\/f-0360\/1\/-\/-\/-\/-\/increase-conversions-with-SSL.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">GlobalSign\u306e\u8abf\u67fb<\/a>\u306b\u3088\u308b\u3068\u300184%\u306e\u6d88\u8cbb\u8005\u304c\u5b89\u5168\u3067\u306a\u3044\u63a5\u7d9a\u3067\u30c7\u30fc\u30bf\u304c\u9001\u4fe1\u3055\u308c\u308b\u5834\u5408\u306b\u8cfc\u5165\u3092\u65ad\u5ff5\u3057\u3066\u304a\u308a\u300129%\u304c\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u524d\u306bHTTPS\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><strong>\u30d6\u30e9\u30a6\u30b6\u306e\u8b66\u544a<\/strong>\uff1a<a href=\"https:\/\/blog.chromium.org\/2018\/02\/a-secure-web-is-here-to-stay.html\" target=\"_blank\" rel=\"noopener noreferrer\">Google Chrome<\/a>\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u30d6\u30e9\u30a6\u30b6\u306f\u3001HTTP\u30b5\u30a4\u30c8\u3092\u300c\u5b89\u5168\u3067\u306a\u3044\u300d\u30b5\u30a4\u30c8\u3068\u3057\u3066\u8b66\u544a\u3057\u307e\u3059\u3002Chrome\u3067\u306f\u3001HTTPS\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u524d\u306b\u8b66\u544a\u3092\u8868\u793a\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\uff08<strong>\u5e38\u306b\u5b89\u5168\u306a\u63a5\u7d9a\u3092\u4f7f\u7528\u3059\u308b<\/strong>\uff09\u3082\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><strong>\u30ea\u30d5\u30a1\u30e9\u30fc<\/strong>\uff1aHTTP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u76f4\u63a5\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3068\u3057\u3066\u8aa4\u5206\u985e\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u305f\u3081\u3001\u30bd\u30fc\u30b9\u306e\u8ffd\u8de1\u304c\u96e3\u3057\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/strong>\uff1aHTTPS\u306f<a href=\"https:\/\/kinsta.com\/jp\/learn\/what-is-http2\/\">HTTP\/2<\/a>\u3092\u6709\u52b9\u306b\u3057\u3001\u3088\u308a\u512a\u308c\u305f\u591a\u91cd\u5316\u3068\u5727\u7e2e\u306b\u3088\u3063\u3066\u30b5\u30a4\u30c8\u306e\u901f\u5ea6\u3092\u6539\u5584\u3057\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/tls-vs-ssl\/\">TLS 1.3<\/a>\u306f\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u6642\u9593\u3092\u77ed\u7e2e\u3059\u308b\u3053\u3068\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3057\u307e\u3059\u3002Kinsta\u3067\u306f<a href=\"https:\/\/kinsta.com\/jp\/blog\/tls-1-3\/\">\u3053\u306e\u4e21\u65b9\u3092\u30b5\u30dd\u30fc\u30c8<\/a>\u3057\u3001\u3055\u3089\u306bCloudflare\u7d71\u5408\u306b\u3088\u3063\u3066<a href=\"https:\/\/kinsta.com\/jp\/blog\/http3\/\">HTTP\/3\u306b\u3082\u5bfe\u5fdc<\/a>\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u3053\u308c\u307e\u3067\u4ee5\u4e0a\u306b\u9ad8\u901f\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u63a5\u7d9a\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>WordPress\u30b5\u30a4\u30c8\u3067HTTPS\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3059\u308b\u306b\u306f\u3001<code>wp-config.php<\/code>\u30d5\u30a1\u30a4\u30eb\u306b\u4ee5\u4e0b\u306e\u884c\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-bash\">define('FORCE_SSL_ADMIN', true);<\/code><\/pre>\n<p>\u73fe\u5728\u3082HTTP\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u5373\u5ea7\u306bHTTPS\u3078\u306e\u79fb\u884c\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001SEO\u3001\u305d\u3057\u3066\u8a2a\u554f\u8005\u306e\u4fe1\u983c\u306e\u305f\u3081\u306b\u5fc5\u8981\u4e0d\u53ef\u6b20\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/blog\/http-to-https\/\">HTTPS\u3078\u306e\u79fb\u884c\u65b9\u6cd5\u306f\u3053\u3061\u3089<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>9. \u6700\u65b0\u306eHTTP\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u3092\u5b9f\u88c5\u3059\u308b<\/h2>\n<p>HTTP\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u306e\u5b9f\u88c5\u3082\u52b9\u679c\u7684\u3067\u3059\u3002\u30b5\u30a4\u30c8\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u6271\u3044\u65b9\u3092\u30d6\u30e9\u30a6\u30b6\u306b\u6307\u793a\u3057\u3001XSS<a href=\"https:\/\/portswigger.net\/web-security\/cross-site-scripting\" target=\"_blank\" rel=\"noopener noreferrer\">\uff08\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0<\/a>\uff09\u3084\u30af\u30ea\u30c3\u30af\u30b8\u30e3\u30c3\u30ad\u30f3\u30b0\u306a\u3069\u306e\u653b\u6483\u3092\u9632\u3050\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u91cd\u8981\u306a\u30d8\u30c3\u30c0\u30fc\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u3001\u901a\u5e38\u306f\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u30ec\u30d9\u30eb\u3067\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>Content-Security-Policy (CSP)<\/strong>\uff1a\u60aa\u610f\u306e\u3042\u308b\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3092\u9632\u3050\u305f\u3081\u3001\u30b5\u30a4\u30c8\u4e0a\u3067\u8aad\u307f\u8fbc\u3081\u308b\u30ea\u30bd\u30fc\u30b9\uff08\u30b9\u30af\u30ea\u30d7\u30c8\u3001\u30b9\u30bf\u30a4\u30eb\u3001\u753b\u50cf\uff09\u3092\u5236\u9650\u3059\u308b<\/li>\n<li><strong>X-XSS\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3<\/strong>\uff1a\u7591\u308f\u3057\u3044\u52d5\u4f5c\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3053\u3068\u3067\u3001\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0\u653b\u6483\u3092\u9632\u3050<\/li>\n<li><strong>Strict-Transport-Security\uff08HSTS\uff09<\/strong>\uff1a\u30d6\u30e9\u30a6\u30b6\u304c\u5e38\u306bHTTPS\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u306b\u5f37\u5236\u3057\u3001\u5b89\u5168\u306a\u63a5\u7d9a\u3092\u4fdd\u8a3c\u3059\u308b<\/li>\n<li><strong>X-Frame-Options<\/strong>\uff1a\u30b5\u30a4\u30c8\u304ciframe\u306b\u57cb\u3081\u8fbc\u307e\u308c\u308b\u306e\u3092\u9632\u304e\u3001\u30af\u30ea\u30c3\u30af\u30b8\u30e3\u30c3\u30ad\u30f3\u30b0\u3092\u9632\u3050<\/li>\n<li><strong>X-Content-Type-Options<\/strong>\uff1a\u30d6\u30e9\u30a6\u30b6\u306eMIME\u30b9\u30cb\u30c3\u30d5\u30a3\u30f3\u30b0\u3092\u7121\u52b9\u306b\u7279\u5b9a\u306e\u653b\u6483\u306e\u30ea\u30b9\u30af\u3092\u6e1b\u3089\u3059<\/li>\n<\/ul>\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\" data-pm-slice=\"1 1 []\"><aside role=\"note\" class=\"wp-block-kinsta-notice is-style-important\">\n            <h3>Important<\/h3>\n        <p>\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0\uff08XSS\uff09\u5bfe\u7b56\u3068\u3057\u3066X-XSS-Protection\u30d8\u30c3\u30c0\u30fc\u306e\u5b9f\u88c5\u3059\u308b\u8a18\u4e8b\u3092\u76ee\u306b\u3059\u308b\u3053\u3068\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u3053\u306e\u30d8\u30c3\u30c0\u30fc\u306f<a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/HTTP\/Reference\/Headers\/X-XSS-Protection\">\u73fe\u5728\u975e\u63a8\u5968<\/a>\u3067\u3001\u30e2\u30c0\u30f3\u30d6\u30e9\u30a6\u30b6\u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u65b0\u305f\u306a\u8106\u5f31\u6027\u3092\u3082\u305f\u3089\u3059\u6050\u308c\u304c\u3042\u308b\u305f\u3081\u3001\u4f7f\u7528\u3092\u63a7\u3048\u308b\u3053\u3068\u3092\u5f37\u304f\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u4ee3\u308f\u308a\u306b\u3088\u308a\u5f37\u529b\u306aContent-Security-Policy\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/aside>\n<\/p>\n<p>WordPress\u30b5\u30a4\u30c8\u3067\u3069\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001Google Chrome\u306e\u691c\u8a3c\u30c4\u30fc\u30eb\u3092\u958b\u304d\u3001\u300c<strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/strong>\u300d\u30bf\u30d6\u306e\u30b5\u30a4\u30c8\u306e\u6700\u521d\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u30d8\u30c3\u30c0\u30fc\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2025\/03\/devtools-network.png\" alt=\"Chrome\u691c\u8a3c\u30c4\u30fc\u30eb\u306e\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u300d\u30bf\u30d6\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">Chrome\u691c\u8a3c\u30c4\u30fc\u30eb\u306e\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u300d\u30bf\u30d6<\/figcaption><\/figure>\n<p>\u307e\u305f\u306f\u3001\u7121\u6599\u306e<a href=\"https:\/\/securityheaders.io\/\" target=\"_blank\" rel=\"noopener noreferrer\">securityheaders.io<\/a>\u3092\u4f7f\u3063\u3066\u30b5\u30a4\u30c8\u3092\u30b9\u30ad\u30e3\u30f3\u3057\u3066\u3082\u78ba\u8a8d\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<aside role=\"note\" class=\"wp-block-kinsta-notice is-style-important\">\n            <h3>Important<\/h3>\n        <p><a href=\"https:\/\/content-security-policy.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Content-Security-Policy<\/a>\u306e\u3088\u3046\u306a\u7279\u5b9a\u306e\u30d8\u30c3\u30c0\u30fc\u3092\u8ffd\u52a0\u3059\u308b\u3068\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-subdomain\/\">\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3<\/a>\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u5fc5\u8981\u306a\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u304c\u8a2d\u5b9a\u306b\u542b\u307e\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/aside>\n\n<h2>10. \u5e38\u306b\u5b89\u5168\u306a\u63a5\u7d9a\u3092\u4f7f\u7528\u3059\u308b<\/h2>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-use-sftp\/\">\u5b89\u5168\u306a\u63a5\u7d9a\u3092\u4f7f\u7528<\/a>\u3059\u308b\u3053\u3068\u306f\u3068\u306b\u304b\u304f\u91cd\u8981\u3067\u3059\u3002WordPress\u30b5\u30fc\u30d0\u30fc\u304c<a href=\"https:\/\/kinsta.com\/jp\/blog\/sftp-ssh-features\/\">SFTP\u307e\u305f\u306fSSH<\/a>\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3044\u305a\u308c\u3082\u9001\u4fe1\u4e2d\u306b\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3057\u3066\u6a5f\u5bc6\u60c5\u5831\u304c\u508d\u53d7\u3055\u308c\u308b\u306e\u3092\u9632\u304e\u3001\u6a19\u6e96\u7684\u306a<a href=\"https:\/\/kinsta.com\/jp\/blog\/ftp-vs-sftp\/\">FTP<\/a>\u3088\u308a\u3082\u306f\u308b\u304b\u306b\u5b89\u5168\u3067\u3059\u3002<\/p>\n<p>Kinsta\u3067\u306f\u3001\u304a\u5ba2\u69d8\u306e\u30c7\u30fc\u30bf\u3092\u5b89\u5168\u306b\u4fdd\u3064\u305f\u3081\u306b<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/connecting-with-sftp\/\">SFTP\u63a5\u7d9a<\/a>\u306e\u307f\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u300222\u756a\u30dd\u30fc\u30c8\u3092\u4f7f\u7528\u3059\u308b\u591a\u304f\u306e\u30b5\u30fc\u30d0\u30fc\u3068\u306f\u7570\u306a\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u306e\u305f\u3081\u5404\u30b5\u30a4\u30c8\u306b\u30e9\u30f3\u30c0\u30e0\u306a\u30dd\u30fc\u30c8\u3092\u5272\u308a\u5f53\u3066\u307e\u3059\u3002SFTP\u60c5\u5831\u306fMyKinsta\u3067\u78ba\u8a8d\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_64391\" aria-describedby=\"caption-attachment-64391\" style=\"width: 1728px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-64391 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/kinsta-sftp.png\" alt=\"Kinsta\u306eSFTP\u30dd\u30fc\u30c8\" width=\"1728\" height=\"568\" srcset=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/kinsta-sftp.png 1728w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/kinsta-sftp-300x99.png 300w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/kinsta-sftp-1024x337.png 1024w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/kinsta-sftp-768x252.png 768w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/kinsta-sftp-1536x505.png 1536w\" sizes=\"auto, (max-width: 1728px) 100vw, 1728px\" \/><figcaption id=\"caption-attachment-64391\" class=\"wp-caption-text\">Kinsta\u306eSFTP\u30dd\u30fc\u30c8<\/figcaption><\/figure>\n<p>\u30b5\u30fc\u30d0\u30fc\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3060\u3051\u3067\u306a\u304f\u3001\u30db\u30fc\u30e0\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3082\u540c\u69d8\u306b\u91cd\u8981\u3067\u3059\u3002\u81ea\u5b85\u306e\u30eb\u30fc\u30bf\u30fc\u304c\u5371\u967a\u306b\u3055\u3089\u3055\u308c\u308b\u3068\u3001WordPress\u30b5\u30a4\u30c8\u306b\u95a2\u3059\u308b\u91cd\u8981\u306a\u30c7\u30fc\u30bf\u304c\u516c\u958b\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u9632\u3050\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u5bfe\u7b56\u3092\u8b1b\u3058\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>\u3069\u3046\u3057\u3066\u3082\u5fc5\u8981\u306a\u5834\u5408\u3092\u9664\u3044\u3066\u30ea\u30e2\u30fc\u30c8\u7ba1\u7406\uff08VPN\uff09\u3092\u7121\u52b9\u306b\u3059\u308b<\/li>\n<li>192.168.1.1 \u306e\u3088\u3046\u306a\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8IP\u7bc4\u56f2\u3067\u306f\u306a\u304f\u300110.9.8.7 \u306e\u3088\u3046\u306a\u5225\u306e\u7bc4\u56f2\u3092\u4f7f\u7528\u3059\u308b<\/li>\n<li>Wi-Fi\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u5f37\u529b\u306a\u6697\u53f7\u5316\u3092\u6709\u52b9\u306b\u3059\u308b<\/li>\n<li>\u4fe1\u983c\u3067\u304d\u308b\u30c7\u30d0\u30a4\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650\u3059\u308b\u305f\u3081\u306bIP\u30a2\u30c9\u30ec\u30b9\u3092\u8a31\u53ef\u30ea\u30b9\u30c8\u306b\u3059\u308b<\/li>\n<li>\u30eb\u30fc\u30bf\u30fc\u306e\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3092\u5e38\u306b\u6700\u65b0\u306e\u72b6\u614b\u306b\u4fdd\u3061\u3001\u8106\u5f31\u6027\u306b\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3059\u308b<\/li>\n<\/ul>\n<p>\u307e\u305f\u3001\u516c\u5171\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089WordPress\u306b\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u969b\u306b\u3082\u7d30\u5fc3\u306e\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\u30ab\u30d5\u30a7\u3084\u7a7a\u6e2f\u306e\u7121\u6599Wi-Fi\u306f\u5b89\u5168\u6027\u306b\u6b20\u3051\u3001\u7c21\u5358\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u508d\u53d7\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u516c\u5171\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/www.expressvpn.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">ExpressVPN<\/a>\u3084<a href=\"https:\/\/nordvpn.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">NordVPN<\/a>\u306e\u3088\u3046\u306a\u4fe1\u983c\u3067\u304d\u308b<a href=\"https:\/\/kinsta.com\/blog\/how-does-a-vpn-work\/\">VPN\u30b5\u30fc\u30d3\u30b9<\/a>\u3092\u4f7f\u3063\u3066\u63a5\u7d9a\u3092\u6697\u53f7\u5316\u3057\u3001\u6f5c\u5728\u7684\u306a\u653b\u6483\u8005\u304b\u3089IP\u30a2\u30c9\u30ec\u30b9\u3092\u96a0\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>11. WordPress\u7ba1\u7406\u753b\u9762\u306e\u30d5\u30a1\u30a4\u30eb\u7de8\u96c6\u3092\u7121\u52b9\u306b\u3059\u308b<\/h2>\n<p>WordPress\u3067\u306f\u3001<strong>\u30c6\u30fc\u30de\u30d5\u30a1\u30a4\u30eb\u30a8\u30c7\u30a3\u30bf\u30fc<\/strong>\u307e\u305f\u306f<strong>\u30d7\u30e9\u30b0\u30a4\u30f3\u30d5\u30a1\u30a4\u30eb\u30a8\u30c7\u30a3\u30bf\u30fc<\/strong>\u306e\u3044\u305a\u308c\u304b\u4f7f\u3063\u3066\u3001\u7ba1\u7406\u8005\u304c\u7ba1\u7406\u753b\u9762\u304b\u3089\u30c6\u30fc\u30de\u304a\u3088\u3073\u30d7\u30e9\u30b0\u30a4\u30f3\u30d5\u30a1\u30a4\u30eb\u3092\u76f4\u63a5\u7de8\u96c6\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_64392\" aria-describedby=\"caption-attachment-64392\" style=\"width: 2608px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-64392 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-theme-file-editor.png\" alt=\"\u30c6\u30fc\u30de\u30d5\u30a1\u30a4\u30eb\u30a8\u30c7\u30a3\u30bf\u30fc\" width=\"2608\" height=\"1336\" srcset=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-theme-file-editor.png 2608w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-theme-file-editor-300x154.png 300w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-theme-file-editor-1024x525.png 1024w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-theme-file-editor-768x393.png 768w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-theme-file-editor-1536x787.png 1536w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/wordpress-theme-file-editor-2048x1049.png 2048w\" sizes=\"auto, (max-width: 2608px) 100vw, 2608px\" \/><figcaption id=\"caption-attachment-64392\" class=\"wp-caption-text\">\u30c6\u30fc\u30de\u30d5\u30a1\u30a4\u30eb\u30a8\u30c7\u30a3\u30bf\u30fc<\/figcaption><\/figure>\n<p>\u3053\u306e\u6a5f\u80fd\u306f\u4e00\u898b\u4fbf\u5229\u3067\u3059\u304c\u3001\u6df1\u523b\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u3092\u3082\u305f\u3089\u3059\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u3002\u7279\u306b\u8907\u6570\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u3044\u308b\u30b5\u30a4\u30c8\u3067\u306f\u3001\u6483\u8005\u306f\u7ba1\u7406\u8005\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u4fb5\u5165\u5f8c\u3001\u307e\u305a\u4e0d\u6b63\u306a\u30b3\u30fc\u30c9\u3092\u6ce8\u5165\u3059\u308b\u305f\u3081\u306bPHP\u30d5\u30a1\u30a4\u30eb\u3092\u5909\u66f4\u3059\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u30b5\u30a4\u30c8\u6240\u6709\u8005\u306b\u3068\u3063\u3066\u3082\u3001\u7ba1\u7406\u753b\u9762\u3067\u76f4\u63a5\u30d5\u30a1\u30a4\u30eb\u3092\u7de8\u96c6\u3059\u308b\u306e\u306f\u5b89\u5168\u3068\u306f\u8a00\u3048\u307e\u305b\u3093\u3002\u3061\u3087\u3063\u3068\u3057\u305f\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30a8\u30e9\u30fc\u304c<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-white-screen-of-death\/\">\u6b7b\u306e\u771f\u3063\u767d\u753b\u9762<\/a>\u306b\u3064\u306a\u304c\u308a\u3001\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u3092\u30ed\u30fc\u30ab\u30eb\u3067\u7de8\u96c6\u3057\u3001SFTP\u7d4c\u7531\u3067\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u306e\u304c\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3067\u3059\u3002<\/p>\n<p>\u30d5\u30a1\u30a4\u30eb\u306e\u7de8\u96c6\u3092\u7121\u52b9\u306b\u3057\u3066\u4e0d\u6b63\u306a\u5909\u66f4\u3092\u9632\u3050\u306b\u306f\u3001<code>wp-config.php<\/code>\u30d5\u30a1\u30a4\u30eb\u306b\u4ee5\u4e0b\u306e\u884c\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-bash\">define('DISALLOW_FILE_EDIT', true);<\/code><\/pre>\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5fb9\u5e95\u3057\u3066\u5f37\u5316\u3059\u308b\u306b\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u5909\u66f4\u3092\u5b8c\u5168\u306b\u7121\u52b9\u306b\u3059\u308b\u3053\u3068\u3092\u691c\u8a0e\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u4ee5\u4e0b\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u7ba1\u7406\u753b\u9762\u304b\u3089\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u30c6\u30fc\u30de\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3084\u66f4\u65b0\u304c\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-bash\">define('DISALLOW_FILE_MODS', true);<\/code><\/pre>\n<h2>12. wp-config.php\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u8b77\u3059\u308b<\/h2>\n<p><code><a href=\"https:\/\/kinsta.com\/jp\/blog\/wp-config-php\/\">wp-config.php<\/a><\/code>\u30d5\u30a1\u30a4\u30eb\u306f\u3001WordPress\u306e\u4e2d\u3067\u3082\u7279\u306b\u91cd\u8981\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3059\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30ed\u30b0\u30a4\u30f3\u60c5\u5831\u3084\u8a8d\u8a3c\u30ad\u30fc\u306a\u3069\u306e\u6a5f\u5bc6\u60c5\u5831\u304c\u4fdd\u5b58\u3055\u308c\u3066\u304a\u308a\u3001\u653b\u6483\u8005\u306e\u6a19\u7684\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u8b77\u3059\u308b\u3053\u3068\u306f\u3001\u30b5\u30a4\u30c8\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u9ad8\u3081\u308b\u306e\u306b\u4e0d\u53ef\u6b20\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306f\u3001<code><a href=\"https:\/\/kinsta.com\/jp\/blog\/wp-config-php\/\">wp-config.php<\/a><\/code>\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u8b77\u3059\u308b3\u3064\u306e\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<ol start=\"1\">\n<li><strong>wp-config.php\u3092\u79fb\u52d5\u3059\u308b<\/strong>\uff1a<code>wp-config.php<\/code>\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067WordPress\u306e\u30eb\u30fc\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\uff08<code>\/public_html\/<\/code>\uff09\u306b\u683c\u7d0d\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3092www\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u79fb\u52d5\u3059\u308b\u3053\u3068\u3067\u3001<a href=\"http:\/\/wordpress.stackexchange.com\/questions\/58391\/is-moving-wp-config-outside-the-web-root-really-beneficial\/74972#74972\" target=\"_blank\" rel=\"noopener noreferrer\">\u4fdd\u8b77\u3092\u5f37\u5316<\/a>\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u65b9\u6cd5\u306f\u591a\u304f\u306e\u30b5\u30fc\u30d0\u30fc\u3067\u6a5f\u80fd\u3057\u307e\u3059\u304c\u3001Kinsta\u3067\u306f\u7d44\u307f\u8fbc\u307f\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5236\u9650\u306b\u3088\u308a\u3001\u65e2\u306b<code>wp-config.php<\/code>\u3078\u306e\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u64cd\u4f5c\u306f\u4e0d\u8981\u3067\u3059\u3002<\/li>\n<li><strong>WordPress\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ad\u30fc\u3092\u66f4\u65b0\u3059\u308b<\/strong>\uff1a<a href=\"https:\/\/codex.wordpress.org\/Editing_wp-config.php#Security_Keys\" target=\"_blank\" rel=\"noopener noreferrer\">WordPress\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ad\u30fc<\/a>\uff08<code>AUTH_KEY<\/code>,<code>SECURE_AUTH_KEY<\/code>\u3001<code>LOGGED_IN_KEY<\/code>\u3001<code>NONCE_KEY<\/code>\uff09\u306f\u3001Cookie\u306b\u4fdd\u5b58\u3055\u308c\u305f\u60c5\u5831\u3092\u6697\u53f7\u5316\u3057\u3001\u30b5\u30a4\u30c8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3057\u307e\u3059\u3002\u30b5\u30a4\u30c8\u306e\u79fb\u884c\u3084\u6240\u6709\u8005\u306e\u5909\u66f4\u3092\u4f55\u5ea6\u3082\u884c\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u65b0\u305f\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ad\u30fc\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<a href=\"https:\/\/api.wordpress.org\/secret-key\/1.1\/salt\/\" target=\"_blank\" rel=\"noopener noreferrer\">WordPress\u306e\u79d8\u5bc6\u9375\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u30fc <\/a>\u3092\u4f7f\u3063\u3066\u30ad\u30fc\u3092\u751f\u6210\u3057\u3001<code>wp-config.php<\/code>\u3067\u66f4\u65b0\u53ef\u80fd\u3067\u3059\u3002<\/li>\n<li><strong>\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u3092\u5909\u66f4\u3059\u308b<\/strong>\uff1a<code>wp-config.php<\/code>\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30d5\u30a1\u30a4\u30eb\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u306f\u901a\u5e38644\u3067\u3001\u540c\u3058\u30b5\u30fc\u30d0\u30fc\u306e\u4ed6\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u8aad\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<a href=\"https:\/\/codex.wordpress.org\/Changing_File_Permissions\" target=\"_blank\" rel=\"noopener noreferrer\">WordPress\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>\u306b\u5f93\u3063\u3066\u3001\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u3092440\u307e\u305f\u306f400\u306b\u5909\u66f4\u3057\u3001\u30d5\u30a1\u30a4\u30eb\u6240\u6709\u8005\u306e\u307f\u306b\u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306f<a href=\"https:\/\/kinsta.com\/jp\/blog\/best-ftp-clients\/\">FTP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8<\/a>\u3084\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3067\u5b9f\u884c\u53ef\u80fd\u3067\u3059\u3002\u4e0d\u660e\u306a\u5834\u5408\u306f\u3001\u3054\u5229\u7528\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u3066\u3001\u30b5\u30a4\u30c8\u74b0\u5883\u306b\u9069\u3057\u305f\u8a2d\u5b9a\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ol>\n<h2>13. \u30d5\u30a1\u30a4\u30eb\u3068\u30b5\u30fc\u30d0\u30fc\u306e\u5b9f\u884c\u6a29\u9650\u3092\u78ba\u8a8d\u3059\u308b<\/h2>\n<p>\u9069\u5207\u306a\u30d5\u30a1\u30a4\u30eb\u3068\u30b5\u30fc\u30d0\u30fc\u306e\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\uff08\u5b9f\u884c\u6a29\u9650\uff09\u306f\u3001WordPress\u30b5\u30a4\u30c8\u306e\u5b89\u5168\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u304c\u7de9\u3059\u304e\u308b\u3068\u3001\u6a29\u9650\u306e\u306a\u3044\u30e6\u30fc\u30b6\u30fc\u304c\u30a2\u30af\u30bb\u30b9\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u5909\u66f4\u3067\u304d\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u9006\u306b\u53b3\u3057\u3059\u304e\u308b\u3068\u3001\u30b5\u30a4\u30c8\u306e\u91cd\u8981\u306a\u6a5f\u80fd\u304c\u58ca\u308c\u3066\u3057\u307e\u3046\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u9069\u5207\u306a\u30d0\u30e9\u30f3\u30b9\u3092\u4fdd\u3064\u3053\u3068\u3067\u3001\u6a5f\u80fd\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30d5\u30a1\u30a4\u30eb\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u8aad\u307f\u53d6\u308a\u3001\u66f8\u304d\u8fbc\u307f\u3001\u5b9f\u884c\u3092\u8a31\u53ef\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u3092\u6c7a\u5b9a\u3057\u3001\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u306f\u3001\u30d5\u30a9\u30eb\u30c0\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3068\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u5909\u66f4\u6a29\u9650\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002WordPress\u306e\u5834\u5408\u3001\u63a8\u5968\u3055\u308c\u308b\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30d5\u30a1\u30a4\u30eb<\/strong>\uff1a<strong>644<\/strong>\u307e\u305f\u306f<strong>640<\/strong>\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001<code>wp-config.php<\/code>\u306f\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u9632\u3050\u305f\u3081\u306b<strong>440<\/strong>\u307e\u305f\u306f<strong>400<\/strong>\u306b\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u30c7\u30a3\u30ec\u30af\u30c8\u30ea<\/strong>\uff1a\u4e0d\u8981\u306a\u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650\u3057\u306a\u304c\u3089WordPress\u304c\u9069\u5207\u306b\u6a5f\u80fd\u3059\u308b\u3088\u3046\u306b\u3001<strong>755<\/strong>\u307e\u305f\u306f<strong>750<\/strong>\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li>\n<li><strong>777\u306f\u4f7f\u7528\u3057\u306a\u3044<\/strong>\uff1a\u7121\u5236\u9650\u306e\u30a2\u30af\u30bb\u30b9\u304c\u53ef\u80fd\u306b\u306a\u308a\u3001\u30b5\u30a4\u30c8\u304c\u8106\u5f31\u306b\u306a\u308b\u305f\u3081\u3001\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3067\u3042\u3063\u3066\u3082777\u306f\u4f7f\u7528\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<p>\u30d5\u30a1\u30a4\u30eb\u306e\u5b9f\u884c\u6a29\u9650\u306f\u3001FTP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3084<a href=\"https:\/\/wordpress.org\/plugins\/better-wp-security\/\" target=\"_blank\" rel=\"noopener noreferrer\">Solid Security<\/a>\u306a\u3069\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u78ba\u8a8d\u30fb\u8abf\u6574\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/developer.wordpress.org\/advanced-administration\/server\/file-permissions\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u30d5\u30a1\u30a4\u30eb\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u306e\u8a73\u7d30\u306f\u3053\u3061\u3089<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>14. \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b<\/h2>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-database\/\">WordPress\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/a>\u3092\u4fdd\u8b77\u3059\u308b\u3053\u3068\u3067\u3001\u653b\u6483\u306b\u5bfe\u3059\u308b\u9632\u5fa1\u5c64\u3092\u5897\u3084\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7c21\u5358\u306b\u5b9f\u8df5\u3067\u304d\u308b\u3053\u3068\u3068\u3057\u3066\u306f\u3001\u30cf\u30c3\u30ab\u30fc\u306b\u7279\u5b9a\u3055\u308c\u3084\u3059\u3044\u30b5\u30a4\u30c8\u540d\u3092\u542b\u3080\u3053\u3068\u304c\u591a\u3044\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u5f62\u5f0f\u3092\u4e00\u610f\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u540d\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u30b5\u30a4\u30c8\u540d\u304c\u300c\u30d0\u30ec\u30fc\u30dc\u30fc\u30eb\u30c8\u30ea\u30c3\u30af\uff08Volleyball Tricks\uff09\u300d\u3060\u3068\u3059\u308b\u3068\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u540d\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067<code>wp_volleyballtricks<\/code>\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u4e88\u6e2c\u3057\u306b\u304f\u3044\u3082\u306e\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u3001\u653b\u6483\u306e\u6a19\u7684\u306b\u306a\u308a\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c6\u30fc\u30d6\u30eb\u306e\u63a5\u982d\u8f9e\u3092<code>wp_<\/code>\u304b\u3089<code>39xw_<\/code>\u306e\u3088\u3046\u306a\u308f\u304b\u308a\u306b\u304f\u3044\u3082\u306e\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u3001\u6a19\u6e96\u7684\u306a\u30c6\u30fc\u30d6\u30eb\u69cb\u9020\u3092\u72d9\u3046\u81ea\u52d5\u5316\u3055\u308c\u305f\u653b\u6483\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306fWordPress\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6642\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u3001\u9069\u5207\u306a\u4e88\u9632\u63aa\u7f6e\u3092\u53d6\u308c\u3070\u5f8c\u304b\u3089\u5909\u66f4\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-table-prefix\/\">WordPress\u306e\u30c6\u30fc\u30d6\u30eb\u63a5\u982d\u8f9e\u3092\u624b\u52d5\u307e\u305f\u306f\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u5909\u66f4\u3059\u308b\u65b9\u6cd5\u306f\u3053\u3061\u3089<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>15. XML-RPC\u3092\u7121\u52b9\u306b\u3059\u308b<\/h2>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/xmlrpc-php\/\">XML-RPC<\/a>\u306f\u8fd1\u5e74\u3001\u30d6\u30eb\u30fc\u30c8\u30d5\u30a9\u30fc\u30b9\u653b\u6483\u306e\u4e00\u822c\u7684\u306a\u6a19\u7684\u3068\u306a\u3063\u3066\u304a\u308a\u3001\u305d\u306e\u96a0\u308c\u305f\u8106\u5f31\u6027\u306e1\u3064\u304c<strong>system.multicall<\/strong>\u3067\u3001\u3053\u308c\u306b\u3088\u308a\u5358\u4e00\u306eHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u5185\u3067\u8907\u6570\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3067\u304d\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u672c\u6765\u306f\u4fbf\u5229\u306a\u6a5f\u80fd\u3068\u3057\u3066\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u304c\u3001\u60aa\u610f\u306e\u3042\u308b\u30e6\u30fc\u30b6\u30fc\u306f\u3053\u308c\u3092\u5229\u7528\u3057\u3066\u4e00\u5ea6\u306b\u4f55\u5343\u3082\u306e\u30ed\u30b0\u30a4\u30f3\u8a66\u884c\u3092\u9001\u4fe1\u3057\u3001\u30d6\u30eb\u30fc\u30c8\u30d5\u30a9\u30fc\u30b9\u653b\u6483\u3092\u3088\u308a\u52b9\u7387\u7684\u306b\u4ed5\u639b\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/kinsta.com\/blog\/wordpress-jetpack\/\">Jetpack<\/a>\u306e\u3088\u3046\u306a\u4e00\u90e8\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u307e\u3060XML-RPC\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u591a\u304f\u306eWordPress\u30b5\u30a4\u30c8\u3067\u306f\u4e0d\u8981\u3067\u3059\u3002\u30b5\u30a4\u30c8\u3067<a href=\"https:\/\/xmlrpc.eritreo.it\/\" target=\"_blank\" rel=\"noopener noreferrer\">XML-RPC<\/a>\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u304c\u308f\u304b\u3089\u306a\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/xmlrpc.blog\/\" target=\"_blank\" rel=\"noopener noreferrer\">XML-RPC Validator<\/a>\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2025\/03\/image3-1.png\" alt=\"XML-RPC\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">XML-RPC<\/figcaption><\/figure>\n<p>XML-RPC\u304c\u4e0d\u8981\u306a\u5834\u5408\u306f\u3001\u7121\u52b9\u306b\u3059\u308b\u3053\u3068\u3067\u30b5\u30a4\u30c8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5411\u4e0a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/wordpress.org\/plugins\/disable-xml-rpc-api\/\" target=\"_blank\" rel=\"noopener noreferrer\">Disable XML-RPC-API<\/a>\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u3001<a href=\"https:\/\/wordpress.org\/plugins\/disable-xml-rpc-api\/\" target=\"_blank\" rel=\"noopener noreferrer\">XML-RPC<\/a>\u3092\u5b8c\u5168\u306b\u7121\u52b9\u5316<\/li>\n<li><a href=\"https:\/\/perfmatters.io\/\" target=\"_blank\" rel=\"noopener noreferrer\">Perfmatters<\/a>\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u3063\u3066XML-RPC\u3092\u7121\u52b9\u306b\u3057\u3001\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3082\u6539\u5584<\/li>\n<\/ul>\n<p>\u306a\u304a\u3001Kinsta\u3092\u3054\u5229\u7528\u306e\u5834\u5408\u306f\u4e0a\u8a18\u306e\u64cd\u4f5c\u306f\u4e0d\u8981\u3067\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/blog\/xmlrpc-php\/\">XML-RPC\u653b\u6483\u304c\u691c\u51fa<\/a>\u3055\u308c\u308b\u3068\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30eb\u30fc\u30eb\u304c\u81ea\u52d5\u7684\u306bNginx\u8a2d\u5b9a\u306b\u8ffd\u52a0\u3055\u308c\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3066403\u30a8\u30e9\u30fc\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-bash\">location ~* ^\/xmlrpc.php$ {\n  return 403;\n}<\/code><\/pre>\n<h2>16. \u76f4\u30ea\u30f3\u30af\u3092\u7981\u6b62\u3059\u308b<\/h2>\n<p>\u76f4\u30ea\u30f3\u30af\u3068\u306f\u3001\u4ed6\u306e\u30b5\u30a4\u30c8\u306e\u753b\u50cf\u3092\u76f4\u63a5\u30ea\u30f3\u30af\u3057\u3066\u3001\u81ea\u5206\u306e\u30b5\u30fc\u30d0\u30fc\u3067\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u4ee3\u308f\u308a\u306b\u305d\u306e\u30b5\u30a4\u30c8\u306e\u5e2f\u57df\u5e45\u3092\u4f7f\u3063\u3066\u753b\u50cf\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u7279\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u591a\u3044\u30b5\u30a4\u30c8\u306b\u8907\u6570\u306e\u753b\u50cf\u3092\u30ea\u30f3\u30af\u3055\u308c\u308b\u3068\u3001\u30b5\u30fc\u30d0\u30fc\u30b3\u30b9\u30c8\u306e\u5897\u52a0\u3084\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u4f4e\u4e0b\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6709\u540d\u306a\u4f8b\u3068\u3057\u3066\u3001\u7c73\u56fd\u306e\u30cf\u30d5\u30dd\u30b9\u30c8\u304c<a href=\"http:\/\/theoatmeal.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">The Oatmeal<\/a>\u306e\u6f2b\u753b\u3092\u76f4\u30ea\u30f3\u30af\u3057\u305f\u3068\u3053\u308d\u3001\u5f8c\u8005\u306e\u5e2f\u57df\u5e45\u304c\u904e\u5270\u306b\u4f7f\u7528\u3055\u308c\u3001\u30b5\u30fc\u30d0\u30fc\u30b3\u30b9\u30c8\u304c1,000\u30c9\u30eb\u4ee5\u4e0a\u81a8\u308c\u4e0a\u304c\u3063\u305f\u3068\u3044\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2025\/03\/hotlinking-bill.png\" alt=\"\u30cf\u30d5\u30dd\u30b9\u30c8\u306b\u753b\u50cf\u3092\u76f4\u30ea\u30f3\u30af\u3055\u308c\u3066\u591a\u984d\u306e\u30b5\u30fc\u30d0\u30fc\u30b3\u30b9\u30c8\u3092\u652f\u6255\u3046\u3053\u3068\u306b\u306a\u3063\u305fThe Oatmeal\u306e\u53cd\u5fdc\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">\u30cf\u30d5\u30dd\u30b9\u30c8\u306b\u753b\u50cf\u3092\u76f4\u30ea\u30f3\u30af\u3055\u308c\u3066\u591a\u984d\u306e\u30b5\u30fc\u30d0\u30fc\u30b3\u30b9\u30c8\u3092\u652f\u6255\u3046\u3053\u3068\u306b\u306a\u3063\u305fThe Oatmeal\u306e\u53cd\u5fdc<\/figcaption><\/figure>\n<p>\u76f4\u30ea\u30f3\u30af\u3092\u9632\u3050\u306b\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u8a2d\u5b9a\u3084CDN\u3092\u8a2d\u5b9a\u3057\u3066\u4e0d\u6b63\u306a\u753b\u50cf\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>Apache<\/strong>\uff1a<code>.htaccess<\/code>\u30d5\u30a1\u30a4\u30eb\u306b<a href=\"https:\/\/www.simplified.guide\/apache\/hotlinking-prevent\" target=\"_blank\" rel=\"noopener noreferrer\">\u30eb\u30fc\u30eb\u3092\u8ffd\u52a0<\/a>\u3057\u3066\u3001\u753b\u50cf\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u306b\u5236\u9650<\/li>\n<li><strong>Nginx<\/strong>\uff1a\u5916\u90e8\u304b\u3089\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3088\u3046\u306b<a href=\"https:\/\/www.cybrosys.com\/blog\/how-to-prevent-image-hotlinking-in-nginx\" target=\"_blank\" rel=\"noopener noreferrer\">\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u5909\u66f4<\/a><\/li>\n<li><strong>CDN\u30b5\u30fc\u30d3\u30b9<\/strong>\uff1a<a href=\"https:\/\/developers.cloudflare.com\/waf\/tools\/scrape-shield\/hotlink-protection\/\" target=\"_blank\" rel=\"noopener noreferrer\">Cloudflare<\/a>\u3084<a href=\"https:\/\/www.keycdn.com\/support\/create-a-zonereferrer\/\" target=\"_blank\" rel=\"noopener noreferrer\">KeyCDN<\/a>\u3092\u542b\u3080\u307b\u3068\u3093\u3069\u306eCDN\u306f\u76f4\u30ea\u30f3\u30af\u4fdd\u8b77\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b<\/li>\n<\/ul>\n<h2>17. WordPress\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u7528\u3059\u308b<\/h2>\n<p>\u30b5\u30a4\u30c8\u3092\u8105\u5a01\u304b\u3089\u5b88\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u305f<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-security-plugins\/\">WordPress\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30e9\u30b0\u30a4\u30f3<\/a>\u306f\u591a\u6570\u3042\u308a\u307e\u3059\u3002\u5b89\u5168\u306a\u30b5\u30fc\u30d0\u30fc\u74b0\u5883\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u306e\u57fa\u76e4\u3068\u306a\u308a\u307e\u3059\u304c\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u4fdd\u8b77\u30ec\u30a4\u30e4\u30fc\u3092\u5897\u3084\u3059\u3053\u3068\u3067\u3001\u6f5c\u5728\u7684\u306a\u8106\u5f31\u6027\u3092\u76e3\u8996\u3001\u691c\u51fa\u3001\u9632\u6b62\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u4ee5\u4e0b\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/sucuri-firewall\/\">Sucuri Security<\/a><\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/sucuri-vs-wordfence\/\">WordFence Security<\/a><\/li>\n<li><a href=\"https:\/\/wordpress.org\/plugins\/malcare-security\/\" target=\"_blank\" rel=\"noopener noreferrer\">MalCare Security<\/a><\/li>\n<li><a href=\"https:\/\/wordpress.org\/plugins\/secupress\/\" target=\"_blank\" rel=\"noopener noreferrer\">SecuPress<\/a><\/li>\n<li><a href=\"https:\/\/wordpress.org\/plugins\/better-wp-security\/\" target=\"_blank\" rel=\"noopener noreferrer\">Solid Security<\/a>\uff08<a href=\"https:\/\/solidwp.com\/looking-for-ithemes\" target=\"_blank\" rel=\"noopener noreferrer\">Formerly iThemes Security<\/a>\uff09<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u3001\u305d\u308c\u305e\u308c\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7570\u306a\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u5f37\u529b\u306a\u30d1\u30b9\u30ef\u30fc\u30c9\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u6709\u52b9\u671f\u9650\u306e\u8a2d\u5b9a<\/li>\n<li>\u30e6\u30fc\u30b6\u30fc\u306e\u884c\u52d5\u3092\u8a18\u9332\u3057\u5909\u66f4\u3084\u4e0d\u5be9\u306a\u884c\u52d5\u3092\u8ffd\u8de1<\/li>\n<li>\u30de\u30eb\u30a6\u30a7\u30a2\u3084\u30d5\u30a1\u30a4\u30eb\u5909\u66f4\u306e\u30b9\u30ad\u30e3\u30f3<\/li>\n<li>\u4e8c\u8981\u7d20\u8a8d\u8a3c\uff082FA\uff09\u306e\u5b9f\u88c5<\/li>\n<li>\u30ed\u30b0\u30a4\u30f3\u30d5\u30a9\u30fc\u30e0\u3078\u306ereCAPTCHA\u4fdd\u8b77\u306e\u5b9f\u88c5<\/li>\n<li>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3001IP\u8a31\u53ef\u30ea\u30b9\u30c8\u3001\u30d6\u30ed\u30c3\u30af\u30ea\u30b9\u30c8\u306e\u8a2d\u5b9a<\/li>\n<li>DNS\u306e\u5909\u66f4\u3092\u76e3\u8996\u3057\u3001\u60aa\u610f\u306e\u3042\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u30d6\u30ed\u30c3\u30af<\/li>\n<\/ul>\n<p>\u591a\u304f\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30e9\u30b0\u30a4\u30f3\u306b\u898b\u3089\u308c\u308b\u7279\u306b\u4fbf\u5229\u306a\u6a5f\u80fd\u306e\u3072\u3068\u3064\u306b\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-files\/\">WordPress\u306e\u30b3\u30a2\u30d5\u30a1\u30a4\u30eb<\/a>\u3092\u30b9\u30ad\u30e3\u30f3\u3057\u3066WordPress.org\u306e\u516c\u5f0f\u30d0\u30fc\u30b8\u30e7\u30f3\u3068<a href=\"https:\/\/developer.wordpress.org\/cli\/commands\/core\/verify-checksums\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u7167\u5408\u3059\u308b\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3<\/a>\u304c\u3042\u308a\u307e\u3059\u3002\u4e0d\u6b63\u306a\u5909\u66f4\u304c\u691c\u51fa\u3055\u308c\u308b\u3068\u3001\u30cf\u30c3\u30ad\u30f3\u30b0\u3084\u60aa\u8cea\u306a<a href=\"https:\/\/kinsta.com\/blog\/sql-injection\/\">\u30b3\u30fc\u30c9\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3<\/a>\u306e\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/kinsta.com\/blog\/file-integrity-monitoring\/\">\u30d5\u30a1\u30a4\u30eb\u306e\u6574\u5408\u6027\u76e3\u8996\u306b\u95a2\u3059\u308b\u8a73\u7d30\u306f\u3053\u3061\u3089<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"https:\/\/kinsta.com\/jp\/wordpress-hosting\/multisite\/\">\u30de\u30eb\u30c1\u30b5\u30a4\u30c8<\/a>\u3084\u8907\u6570\u306e\u6295\u7a3f\u8005\u304c\u5728\u7c4d\u3059\u308b\u30b5\u30a4\u30c8\u306b\u306f\u3001<a href=\"https:\/\/wordpress.org\/plugins\/wp-security-audit-log\/\" target=\"_blank\" rel=\"noopener noreferrer\">WP Security Audit Log<\/a>\u304c\u826f\u3044\u9078\u629e\u80a2\u306b\u306a\u308a\u307e\u3059\u3002\u30ed\u30b0\u30a4\u30f3\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u3001\u30c6\u30fc\u30de\u3001\u30a6\u30a3\u30b8\u30a7\u30c3\u30c8\u3001\u6295\u7a3f\u3001WordPress\u306e\u66f4\u65b0\u306e\u5909\u66f4\u3092\u8ffd\u8de1\u3057\u3001\u8a73\u7d30\u306a\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u30ed\u30b0\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7ba1\u7406\u8005\u306f\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u30e6\u30fc\u30b6\u30fc\u306e\u6d3b\u52d5\u3092\u76e3\u8996\u3057\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u8aac\u660e\u8cac\u4efb\u3092\u5411\u4e0a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Kinsta\u3067\u306f\u3001\u3059\u3079\u3066\u306e\u30b5\u30a4\u30c8\u304c<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/wordpress-getting-started\/wordpress-infrastructure\/#kinsta-firewall\">Cloudflare\u3001Google Cloud\u3001\u305d\u3057\u3066Kinsta\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/a>\u306b\u3088\u3063\u3066\u4fdd\u8b77\u3055\u308c\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u76e3\u8996\u3068<a href=\"https:\/\/kinsta.com\/jp\/docs\/service-information\/malware-removal\/\">\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u9664\u53bb\u304c\u7121\u6599<\/a>\u3067\u4ed8\u5c5e\u3057\u307e\u3059\u3002\u3055\u3089\u306b<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/wordpress-monitoring\/uptime-monitoring\/\">3\u5206\u3054\u3068\u306b\u7a3c\u50cd\u72b6\u6cc1\u3092\u76e3\u8996<\/a>\u3057\u3001\u554f\u984c\u304c\u691c\u51fa\u3055\u308c\u308c\u3070\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u76f4\u3061\u306b\u5bfe\u5fdc\u3059\u308b\u3053\u3068\u3067\u3001\u5e38\u306b\u5b89\u5168\u3067\u56de\u5fa9\u529b\u306e\u3042\u308b\u30b5\u30fc\u30d0\u30fc\u74b0\u5883\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>\n<h2>18. \u5e38\u306b\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u53d6\u308b<\/h2>\n<p>\u3069\u308c\u307b\u3069\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u65bd\u3057\u3066\u3082\u3001<strong>100\uff05\u306e\u5b89\u5168\u306f\u78ba\u4fdd\u3067\u304d\u307e\u305b\u3093<\/strong>\u3002\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306f\u30cf\u30c3\u30ad\u30f3\u30b0\u3001\u4e0d\u616e\u306e\u524a\u9664\u3001\u30b5\u30a4\u30c8\u306e\u5927\u898f\u6a21\u306a\u969c\u5bb3\u306b\u5099\u3048\u305f\u6700\u5f8c\u306e\u9632\u885b\u7dda\u306b\u306a\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u306a\u304c\u3089\u3001\u5b9a\u671f\u7684\u306a\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u91cd\u8981\u6027\u306f\u8efd\u8996\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u6df1\u523b\u306a\u554f\u984c\u304c\u767a\u751f\u3057\u3066\u521d\u3081\u3066\u305d\u306e\u91cd\u8981\u6027\u306b\u6c17\u304c\u3064\u304d\u307e\u3059\u3002<\/p>\n<p>\u307b\u3068\u3093\u3069\u306e<a href=\"https:\/\/kinsta.com\/jp\/wordpress-hosting\/\">WordPress\u7528\u30de\u30cd\u30fc\u30b8\u30c9\u30b5\u30fc\u30d0\u30fc<\/a>\u306f\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u6a5f\u80fd\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002Kinsta\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306f\u30b5\u30fc\u30d0\u30fc\u30ec\u30d9\u30eb\u3067\u51e6\u7406\u3055\u308c\u3001\u6bce\u65e5\u4f5c\u6210\u3055\u308c\u308b\u81ea\u52d5\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u542b\u3081<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/wordpress-backups\/\">6\u7a2e\u985e\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7<\/a>\u304c\u3042\u308a\u307e\u3059\u3002\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067\u5fa9\u5143\u3067\u304d\u308b\u305f\u3081\u3001\u4f55\u304b\u554f\u984c\u304c\u767a\u751f\u3057\u3066\u3082\u5373\u5ea7\u306b\u30b5\u30a4\u30c8\u3092\u5fa9\u65e7\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_64393\" aria-describedby=\"caption-attachment-64393\" style=\"width: 2346px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-64393 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/mykinsta-backup.png\" alt=\"MyKinsta\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\" width=\"2346\" height=\"830\" srcset=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/mykinsta-backup.png 2346w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/mykinsta-backup-300x106.png 300w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/mykinsta-backup-1024x362.png 1024w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/mykinsta-backup-768x272.png 768w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/mykinsta-backup-1536x543.png 1536w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/mykinsta-backup-2048x725.png 2048w\" sizes=\"auto, (max-width: 2346px) 100vw, 2346px\" \/><figcaption id=\"caption-attachment-64393\" class=\"wp-caption-text\">MyKinsta\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7<\/figcaption><\/figure>\n<p>\u3054\u5229\u7528\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u6a5f\u80fd\u304c\u306a\u3044\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/vaultpress.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">VaultPress<\/a>\u3001<a href=\"https:\/\/www.codeguard.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">CodeGuard<\/a>\u3001<a href=\"https:\/\/blogvault.net\/\" target=\"_blank\" rel=\"noopener noreferrer\">BlogVault<\/a>\u306a\u3069\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30b5\u30fc\u30d3\u30b9\uff08\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u30af\u30e9\u30a6\u30c9\u306b\u5b89\u5168\u306b\u4fdd\u5b58\u53ef\u80fd\uff09<\/li>\n<li><a href=\"https:\/\/wordpress.org\/plugins\/updraftplus\/\" target=\"_blank\" rel=\"noopener noreferrer\">UpdraftPlus<\/a>\u3001<a href=\"https:\/\/ithemes.com\/purchase\/backupbuddy\/\" target=\"_blank\" rel=\"noopener noreferrer\">BackupBuddy<\/a>\u3001<a href=\"https:\/\/wptimecapsule.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">WP Time Capsule<\/a>\u306a\u3069\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30d7\u30e9\u30b0\u30a4\u30f3\uff08Google Drive\u3001Amazon S3\u3001Dropbox\u306e\u3088\u3046\u306a\u5916\u90e8\u30b9\u30c8\u30ec\u30fc\u30b8\u306b\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u4fdd\u5b58\u53ef\u80fd\uff09<\/li>\n<\/ul>\n<aside role=\"note\" class=\"wp-block-kinsta-notice is-style-important\">\n            <h3>Important<\/h3>\n        <p>Kinsta\u3092\u3054\u5229\u7528\u306e\u5834\u5408\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u4e0a\u306e\u554f\u984c\u304b\u3089<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/wordpress-plugins-themes\/wordpress-banned-incompatible-plugins\/#backup-plugins\">\u975e\u5897\u5206\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u4f7f\u7528\u3092\u7981\u6b62<\/a>\u3057\u3066\u3044\u307e\u3059\u3002\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306f\u30b5\u30fc\u30d0\u30fc\u30ec\u30d9\u30eb\u3067\u51e6\u7406\u3055\u308c\u3001\u30b5\u30a4\u30c8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3053\u3068\u306a\u304f\u30c7\u30fc\u30bf\u304c\u4fdd\u8b77\u3055\u308c\u308b\u305f\u3081\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u4f7f\u7528\u306f\u4e0d\u8981\u3067\u3059\u3002<\/p>\n<\/aside>\n\n<h2>19. DDoS\u653b\u6483\u5bfe\u7b56\u3092\u8b1b\u3058\u308b<\/h2>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-a-ddos-attack\/\">DDoS\uff08DistributedDenial of Service\uff09<\/a>\u653b\u6483\u306f\u3001\u5927\u91cf\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u30b5\u30a4\u30c8\u3068\u30ea\u30bd\u30fc\u30b9\u3092\u5727\u5012\u3057\u3001\u30b5\u30a4\u30c8\u3092\u30c0\u30a6\u30f3\u3055\u305b\u308b\u653b\u6483\u3067\u3059\u3002\u4e00\u822c\u7684\u306a\u30cf\u30c3\u30ad\u30f3\u30b0\u3068\u306f\u7570\u306a\u308a\u3001DDoS\u653b\u6483\u304c\u30c7\u30fc\u30bf\u3092\u5371\u967a\u306b\u3055\u3089\u3057\u305f\u308a\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u6ce8\u5165\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u6570\u6642\u9593\u304b\u3089\u6570\u65e5\u9593\u30b5\u30a4\u30c8\u3092\u30aa\u30d5\u30e9\u30a4\u30f3\u306b\u3057\u3001\u53ce\u76ca\u306e\u640d\u5931\u3084\u8a2a\u554f\u8005\u306e\u4e0d\u6e80\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002<\/p>\n<p>DDoS\u653b\u6483\u304b\u3089\u30b5\u30a4\u30c8\u3092\u5b88\u308b\u6700\u3082\u52b9\u679c\u7684\u306a\u65b9\u6cd5\u306e1\u3064\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/install-cloudflare\/\">Cloudflare<\/a>\u3084<a href=\"https:\/\/kinsta.com\/jp\/blog\/sucuri-firewall\/\">Sucuri<\/a>\u306e\u3088\u3046\u306a\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b5\u30fc\u30d3\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u30b5\u30fc\u30d3\u30b9\u306f\u3001\u60aa\u610f\u306e\u3042\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u30b5\u30fc\u30d0\u30fc\u306b\u5230\u9054\u3059\u308b\u524d\u306b\u30d6\u30ed\u30c3\u30af\u3057\u3066\u304f\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u653b\u6483\u8005\u304c\u30b5\u30a4\u30c8\u3092\u76f4\u63a5\u6a19\u7684\u306b\u3059\u308b\u3053\u3068\u3092\u56f0\u96e3\u306b\u3059\u308b\u305f\u3081\u3001\u767a\u4fe1\u5143\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u96a0\u3057\u307e\u3059\u3002<\/p>\n<p>Kinsta\u306e\u5834\u5408\u3001<a href=\"https:\/\/kinsta.com\/jp\/cloudflare-integration\/\">\u6a19\u6e96\u642d\u8f09\u306eCloudflare\u7d71\u5408<\/a>\u306b\u3088\u3063\u3066DDoS\u653b\u6483\u5bfe\u7b56\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u7d44\u307f\u8fbc\u307e\u308c\u3066\u304a\u308a\u3001UDP\u3001ICMP\u3001SYN\/ACK\u30d5\u30e9\u30c3\u30c9\u3001DNS\u5897\u5e45\u3001\u304a\u3088\u3073\u30ec\u30a4\u30e4\u30fc7\u653b\u6483\u3092\u542b\u3080\u3042\u3089\u3086\u308b\u30bf\u30a4\u30d7\u306eDDoS\u653b\u6483\u3092\u81ea\u52d5\u7684\u306b\u691c\u51fa\u3057\u3066\u7de9\u548c\u3057\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/prevent-ddos-attacks\/#how-we-mitigated-a-massive-ddos-attack-for-a-financial-client\">DDoS\u653b\u6483\u5bfe\u7b56\u306e\u5b9f\u4f8b<\/a>\u3068\u3057\u3066\u3001\u5927\u898f\u6a21\u306aDDoS\u653b\u6483\u306b\u76f4\u9762\u305f\u3042\u308b\u91d1\u878d\u4f1a\u793e\u306f\u3001Kinsta\u3078\u306e\u79fb\u884c\u3092\u6c7a\u65ad\u3057\u307e\u3057\u305f\u3002\u672c\u7a3c\u52d5\u76f4\u5f8c\u3001\u30b5\u30a4\u30c8\u306f\u4f55\u767e\u4e07\u3082\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u5d50\u306b\u898b\u821e\u308f\u308c\u3001\u6df7\u4e71\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3057\u305f\u3002<\/p>\n<figure id=\"attachment_64394\" aria-describedby=\"caption-attachment-64394\" style=\"width: 1586px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-64394 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/mykinsta-analytics-japanese.png\" alt=\"\u5e2f\u57df\u5e45\u306a\u3069\u3092\u4e00\u76ee\u3067\u78ba\u8a8d\u3067\u304d\u308b\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306e\u5206\u6790\" width=\"1586\" height=\"1194\" srcset=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/mykinsta-analytics-japanese.png 1586w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/mykinsta-analytics-japanese-300x226.png 300w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/mykinsta-analytics-japanese-1024x771.png 1024w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/mykinsta-analytics-japanese-768x578.png 768w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2025\/04\/mykinsta-analytics-japanese-1536x1156.png 1536w\" sizes=\"auto, (max-width: 1586px) 100vw, 1586px\" \/><figcaption id=\"caption-attachment-64394\" class=\"wp-caption-text\">\u5e2f\u57df\u5e45\u306a\u3069\u3092\u4e00\u76ee\u3067\u78ba\u8a8d\u3067\u304d\u308b\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306e\u5206\u6790<\/figcaption><\/figure>\n<p>Kinsta\u306eSysOps\u30c1\u30fc\u30e0\u306fCloudflare\u3068\u901f\u3084\u304b\u306b\u9023\u643a\u3057\u3001\u4e0d\u5be9\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d6\u30ed\u30c3\u30af\u3057\u305f\u3068\u3053\u308d\u300127\u5206\u4ee5\u5185\u306b5\u51041,600\u4e07\u3092\u8d85\u3048\u308b\u60aa\u8cea\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u7de9\u548c\u3055\u308c\u3001\u30b5\u30a4\u30c8\u306e\u30aa\u30f3\u30e9\u30a4\u30f3\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u306b\u6210\u529f\u3057\u307e\u3057\u305f\u3002<\/p>\n<figure id=\"attachment_105557\" aria-describedby=\"caption-attachment-105557\" style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2025\/03\/ddos-mitigation.png\" alt=\"Kinsta infrastructure mitigated 516.9 million requests\" width=\"1001\" height=\"471\"><figcaption id=\"caption-attachment-105557\" 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