{"id":29278,"date":"2026-09-28T15:11:56","date_gmt":"2026-09-28T06:11:56","guid":{"rendered":"https:\/\/motoki-design.co.jp\/wordpress\/wordpress-security-headers\/"},"modified":"2026-10-03T20:48:02","modified_gmt":"2026-10-03T11:48:02","slug":"wordpress-security-headers","status":"publish","type":"post","link":"https:\/\/motoki-design.co.jp\/wordpress\/wordpress-security-headers\/","title":{"rendered":"WordPress\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\uff5c.htaccess\u3068functions.php\u306e\u66f8\u304d\u65b9\u3068\u78ba\u8a8d\u306e\u624b\u9806"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u30b5\u30a4\u30c8\u306e\u8a3a\u65ad\u30c4\u30fc\u30eb\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u70b9\u691c\u3067\u300c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u300d\u3068\u6307\u6458\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">WordPress\u306e\u521d\u671f\u72b6\u614b\u3067\u306f\u3001\u516c\u958b\u30da\u30fc\u30b8\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u306f\u307b\u3068\u3093\u3069\u4ed8\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u30016\u7a2e\u985e\u306e\u30d8\u30c3\u30c0\u30fc\u306e\u5f79\u5272\u3068\u3001WordPress\u3067\u8a2d\u5b9a\u3059\u308b2\u3064\u306e\u66f8\u304d\u65b9\u3001\u8a2d\u5b9a\u3067\u304d\u305f\u304b\u3092\u78ba\u304b\u3081\u308b\u624b\u9806\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u4f7f\u3046<a href=\"https:\/\/motoki-design.co.jp\/tools\/security-headers\/\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u8a3a\u65ad<\/a>\u306f\u3001\u5f53\u30b5\u30a4\u30c8\u3068\u540c\u3058MOTOKI\u5408\u540c\u4f1a\u793e\u304c\u4f5c\u3063\u305f\u300c<a href=\"https:\/\/motoki-design.co.jp\/tools\/tools-list\/\">WEB\u30c4\u30fc\u30eb\u7bb1<\/a>\u300d\u306e1\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7121\u6599\u3067\u3001\u4f1a\u54e1\u767b\u9332\u306a\u3057\u3067\u4f7f\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6700\u7d42\u78ba\u8a8d\u65e5\uff1a2026\u5e749\u670828\u65e5<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3053\u306e\u8a18\u4e8b\u3067\u5206\u304b\u308b\u3053\u3068<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc6\u7a2e\u985e\u306e\u5f79\u5272<\/li>\n\n\n<li>\u4eca\u306e\u30b5\u30a4\u30c8\u306e\u8a2d\u5b9a\u3092\u78ba\u304b\u3081\u308b\u624b\u9806<\/li>\n\n\n<li>.htaccess\u3068functions.php\u3067\u306e\u66f8\u304d\u65b9<\/li>\n\n\n<li><strong>CSP\u3060\u3051\u306f\u614e\u91cd\u306b\u9032\u3081\u308b\u7406\u7531<\/strong><\/li>\n<\/ul>\n\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -external\" data-type=\"type3\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">WEB\u30c4\u30fc\u30eb\u7bb1<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img decoding=\"async\" src=\"https:\/\/motoki-design.co.jp\/tools\/wp-content\/uploads\/2026\/09\/ogp.png\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/motoki-design.co.jp\/tools\/security-headers\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u8a3a\u65ad\uff5c.htaccess\u8a2d\u5b9a\u4f8b\u3064\u304d\u3067\u7121\u6599\u63a1\u70b9<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\">URL\u3092\u5165\u308c\u308b\u3060\u3051\u3067\u3001HSTS\u30fbCSP\u30fbX-Frame-Options\u306a\u3069\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u3092100\u70b9\u6e80\u70b9\u3067\u63a1\u70b9\u3002\u4e0d\u8db3\u3057\u3066\u3044\u308b\u8a2d\u5b9a\u306f\u3001\u305d\u306e\u307e\u307e\u8cbc\u308c\u308b .htaccess \u306e\u8a18\u8ff0\u4f8b\u3092\u51fa\u529b\u3057\u307e\u3059\u3002\u4f01&#8230;<\/span>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\n<h2 class=\"wp-block-heading\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u3068\u306f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u30da\u30fc\u30b8\u3068\u4e00\u7dd2\u306b\u30d6\u30e9\u30a6\u30b6\u30fc\u3078\u9001\u308b\u300c\u3053\u306e\u30da\u30fc\u30b8\u306f\u3053\u3046\u6271\u3063\u3066\u304f\u3060\u3055\u3044\u300d\u3068\u3044\u3046\u6307\u793a\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a2d\u5b9a\u3057\u3066\u3044\u306a\u3044\u3068\u3059\u3050\u306b\u4fb5\u5165\u3055\u308c\u308b\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u4e07\u4e00\u306e\u653b\u6483\u3067\u88ab\u5bb3\u3092\u5c0f\u3055\u304f\u3059\u308b\u305f\u3081\u306e\u5099\u3048\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c4\u30fc\u30eb\u3067\u306f\u3001\u6b21\u306e6\u7a2e\u985e\u3092100\u70b9\u6e80\u70b9\u3067\u63a1\u70b9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th style=\"min-width:8em !important\">\u30d8\u30c3\u30c0\u30fc<\/th><th>\u9632\u3050\u3082\u306e<\/th><th>\u914d\u70b9<\/th><\/tr><\/thead><tbody><tr><td>Strict-Transport-Security\uff08HSTS\uff09<\/td><td>HTTP\u3067\u306e\u63a5\u7d9a\u306b\u3088\u308b\u76d7\u307f\u898b\u3084\u6539\u3056\u3093<\/td><td>20<\/td><\/tr><tr><td>Content-Security-Policy\uff08CSP\uff09<\/td><td>\u6539\u3056\u3093\u3055\u308c\u305f\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u5b9f\u884c<\/td><td>20<\/td><\/tr><tr><td>X-Content-Type-Options<\/td><td>\u753b\u50cf\u306a\u3069\u306b\u507d\u88c5\u3057\u305f\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u5b9f\u884c<\/td><td>15<\/td><\/tr><tr><td>X-Frame-Options<\/td><td>\u4ed6\u30b5\u30a4\u30c8\u306b\u57cb\u3081\u8fbc\u3093\u3067\u30af\u30ea\u30c3\u30af\u3092\u3060\u307e\u3057\u53d6\u308b\u653b\u6483<\/td><td>15<\/td><\/tr><tr><td>Referrer-Policy<\/td><td>\u79fb\u52d5\u5148\u306e\u30b5\u30a4\u30c8\u3078\u306eURL\u306e\u6f0f\u308c<\/td><td>15<\/td><\/tr><tr><td>Permissions-Policy<\/td><td>\u4f7f\u308f\u306a\u3044\u30ab\u30e1\u30e9\u30fb\u30de\u30a4\u30af\u30fb\u4f4d\u7f6e\u60c5\u5831\u306e\u547c\u3073\u51fa\u3057<\/td><td>15<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">X-Frame-Options\u306f\u3001CSP\u306e\u300cframe-ancestors\u300d\u3067\u4ee3\u308f\u308a\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u3066\u3082\u6e80\u70b9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">HSTS\u306f\u3001\u6709\u52b9\u671f\u9593\uff08max-age\uff09\u304c\u534a\u5e74\u3088\u308a\u77ed\u3044\u3068\u70b9\u6570\u304c\u534a\u5206\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4eca\u306e\u30b5\u30a4\u30c8\u306e\u8a2d\u5b9a\u3092\u78ba\u304b\u3081\u308b<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><a href=\"https:\/\/motoki-design.co.jp\/tools\/security-headers\/\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u8a3a\u65ad<\/a>\u3092\u958b\u304f<\/li>\n\n\n<li>\u8abf\u3079\u305f\u3044\u30b5\u30a4\u30c8\u306eURL\u3092\u5165\u308c\u3066\u300c\u8a3a\u65ad\u3059\u308b\u300d\u3092\u62bc\u3059<\/li>\n\n\n<li>\u70b9\u6570\u3068\u30016\u7a2e\u985e\u305d\u308c\u305e\u308c\u306e\u7d50\u679c\u304c\u51fa\u308b<\/li>\n\n\n<li>\u8db3\u308a\u306a\u3044\u3082\u306e\u304c\u3042\u308c\u3070\u3001\u305d\u306e\u307e\u307e\u8cbc\u308c\u308b.htaccess\u306e\u8a2d\u5b9a\u4f8b\u304c\u51fa\u308b<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c4\u30fc\u30eb\u306f\u30da\u30fc\u30b8\u306b1\u56de\u30a2\u30af\u30bb\u30b9\u3057\u3066\u3001\u8fd4\u3063\u3066\u304d\u305f\u30d8\u30c3\u30c0\u30fc\u3092\u8aad\u3080\u3060\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u653b\u6483\u3092\u8a66\u3059\u3088\u3046\u306a\u3053\u3068\u306f\u3057\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u969b\u306b\u8abf\u3079\u305f\u7d50\u679c<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">wordpress.org\uff5c25\u70b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/motoki-design.co.jp\/tools\/security-headers\/#wordpress.org\">wordpress.org\u306e\u8a3a\u65ad<\/a>\u306e\u7d50\u679c\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"658\" height=\"924\" src=\"https:\/\/motoki-design.co.jp\/wordpress\/wp-content\/uploads\/sechead-wporg.png\" alt=\"\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u8a3a\u65ad\u3067wordpress.org\u3092\u8abf\u3079\u305f\u7d50\u679c\" class=\"wp-image-29275\" srcset=\"https:\/\/motoki-design.co.jp\/wordpress\/wp-content\/uploads\/sechead-wporg.png 658w, https:\/\/motoki-design.co.jp\/wordpress\/wp-content\/uploads\/sechead-wporg-382x537.png 382w\" sizes=\"(max-width: 658px) 100vw, 658px\" \/><figcaption class=\"wp-element-caption\">wordpress.org\u3092\u8abf\u3079\u305f\u7d50\u679c\u300225\u70b9\u3067\u3001\u8db3\u308a\u306a\u30444\u7a2e\u306e\u8a2d\u5b9a\u4f8b\u304c\u51fa\u308b\uff082026\/09\/28\u6642\u70b9\u306e\u8868\u793a\uff09<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u305f\u306e\u306fHSTS\u3068X-Frame-Options\u306e2\u3064\u3060\u3051\u3067\u300125\u70b9\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">HSTS\u306f\u6709\u52b9\u671f\u9593\u304c3600\u79d2\uff081\u6642\u9593\uff09\u3068\u77ed\u3044\u305f\u3081\u3001\u534a\u5206\u306e10\u70b9\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7d50\u679c\u306e\u4e0b\u306b\u306f\u3001\u8db3\u308a\u306a\u30444\u7a2e\u985e\u3092\u307e\u3068\u3081\u305f.htaccess\u306e\u8a2d\u5b9a\u4f8b\u304c\u51fa\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">WordPress\u306e\u914d\u5e03\u5143\u3067\u3082\u3001\u516c\u958b\u30da\u30fc\u30b8\u306e\u30d8\u30c3\u30c0\u30fc\u306f\u3053\u306e\u7a0b\u5ea6\u3057\u304b\u4ed8\u3044\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3053\u306e\u30b5\u30a4\u30c8\uff5c80\u70b9<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"679\" height=\"924\" src=\"https:\/\/motoki-design.co.jp\/wordpress\/wp-content\/uploads\/sechead-waza.png\" alt=\"\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u8a3a\u65ad\u3067\u3053\u306e\u30b5\u30a4\u30c8\u3092\u8abf\u3079\u305f\u7d50\u679c\" class=\"wp-image-29276\" srcset=\"https:\/\/motoki-design.co.jp\/wordpress\/wp-content\/uploads\/sechead-waza.png 679w, https:\/\/motoki-design.co.jp\/wordpress\/wp-content\/uploads\/sechead-waza-382x520.png 382w\" sizes=\"(max-width: 679px) 100vw, 679px\" \/><figcaption class=\"wp-element-caption\">\u3053\u306e\u30b5\u30a4\u30c8\u3092\u8abf\u3079\u305f\u7d50\u679c\u3002CSP\u3060\u3051\u304c\u672a\u8a2d\u5b9a\u306780\u70b9\uff082026\/09\/28\u6642\u70b9\u306e\u8868\u793a\uff09<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30b5\u30a4\u30c8\u3067\u306f\u3001CSP\u3092\u9664\u304f5\u7a2e\u985e\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8db3\u308a\u306a\u3044\u306e\u306fCSP\u3060\u3051\u306a\u306e\u3067\u3001\u8a2d\u5b9a\u4f8b\u306b\u3082CSP\u306e1\u884c\u3060\u3051\u304c\u51fa\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">WordPress\u306e\u30b5\u30a4\u30c8\u3067\u306f\u3001CSP\u3060\u3051\u304c\u6700\u5f8c\u306b\u6b8b\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7406\u7531\u306f\u5f8c\u306e\u300cCSP\u306f\u69d8\u5b50\u898b\u304b\u3089\u59cb\u3081\u308b\u300d\u3067\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">WEB\u30c4\u30fc\u30eb\u7bb1\uff5c94\u70b9<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"924\" height=\"793\" src=\"https:\/\/motoki-design.co.jp\/wordpress\/wp-content\/uploads\/sechead-tools.png\" alt=\"\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u8a3a\u65ad\u3067WEB\u30c4\u30fc\u30eb\u7bb1\u3092\u8abf\u3079\u305f\u7d50\u679c\" class=\"wp-image-29277\" srcset=\"https:\/\/motoki-design.co.jp\/wordpress\/wp-content\/uploads\/sechead-tools.png 924w, https:\/\/motoki-design.co.jp\/wordpress\/wp-content\/uploads\/sechead-tools-382x328.png 382w, https:\/\/motoki-design.co.jp\/wordpress\/wp-content\/uploads\/sechead-tools-812x697.png 812w, https:\/\/motoki-design.co.jp\/wordpress\/wp-content\/uploads\/sechead-tools-768x659.png 768w\" sizes=\"(max-width: 924px) 100vw, 924px\" \/><figcaption class=\"wp-element-caption\">WEB\u30c4\u30fc\u30eb\u7bb1\u3092\u8abf\u3079\u305f\u7d50\u679c\u30026\u7a2e\u3059\u3079\u3066\u8a2d\u5b9a\u3057\u306694\u70b9\uff082026\/09\/28\u6642\u70b9\u306e\u8868\u793a\uff09<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/motoki-design.co.jp\/tools\/tools-list\/\">WEB\u30c4\u30fc\u30eb\u7bb1<\/a>\u306f6\u7a2e\u985e\u3059\u3079\u3066\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u3066\u300194\u70b9\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6e80\u70b9\u306b\u306a\u3089\u306a\u3044\u306e\u306f\u3001CSP\u306b\u300cunsafe-inline\u300d\u304c\u5165\u3063\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30da\u30fc\u30b8\u306e\u4e2d\u306b\u76f4\u63a5\u66f8\u3044\u305f\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u8a31\u53ef\u3059\u308b\u6307\u5b9a\u3067\u3001\u3053\u308c\u304c\u3042\u308b\u3068CSP\u306e\u52b9\u304d\u76ee\u304c\u4e0b\u304c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">WordPress\u3067\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a2d\u5b9a\u3059\u308b\u5834\u6240\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\uff08.htaccess\uff09\u304b\u3001\u30c6\u30fc\u30de\u306efunctions.php\u306e\u3069\u3061\u3089\u304b\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th style=\"min-width:8em !important\">\u65b9\u6cd5<\/th><th>\u5411\u3044\u3066\u3044\u308b\u30b5\u30a4\u30c8<\/th><th>\u52b9\u304f\u7bc4\u56f2<\/th><\/tr><\/thead><tbody><tr><td>.htaccess<\/td><td>Apache\u3084LiteSpeed\u3067\u52d5\u304f\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc<\/td><td>\u305d\u306e.htaccess\u304c\u9069\u7528\u3055\u308c\u308b\u30d1\u30b9\u306e\u5fdc\u7b54\u3002CDN\u3084\u5225\u30b5\u30fc\u30d0\u30fc\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u5225\u78ba\u8a8d<\/td><\/tr><tr><td>functions.php<\/td><td>.htaccess\u3092\u4f7f\u3048\u306a\u3044\u30b5\u30fc\u30d0\u30fc\u3001\u30c6\u30fc\u30de\u5074\u3067\u7ba1\u7406\u3057\u305f\u3044\u5834\u5408<\/td><td>WordPress\u304c\u4f5c\u308b\u516c\u958b\u30da\u30fc\u30b8\u3060\u3051<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">.htaccess\u306b\u66f8\u304f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c4\u30fc\u30eb\u304c\u51fa\u3057\u305f\u8a2d\u5b9a\u4f8b\u3092\u300c\u30b3\u30d4\u30fc\u300d\u3067\u5199\u3057\u3001\u30b5\u30a4\u30c8\u306e\u30eb\u30fc\u30c8\u306b\u3042\u308b.htaccess\u306b\u8cbc\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8cbc\u308b\u5834\u6240\u306f\u300c# BEGIN WordPress\u300d\u304b\u3089\u300c# END WordPress\u300d\u307e\u3067\u306e\u5916\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e2\u884c\u306e\u9593\u306f\u3001\u30d1\u30fc\u30de\u30ea\u30f3\u30af\u306e\u8a2d\u5b9a\u3092\u4fdd\u5b58\u3057\u305f\u3068\u304d\u306bWordPress\u304c\u66f8\u304d\u63db\u3048\u308b\u305f\u3081\u3001\u4e2d\u306b\u66f8\u3044\u305f\u8a2d\u5b9a\u304c\u6d88\u3048\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IfModule\u306f\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u7121\u3044\u5834\u5408\u306b\u4e2d\u306e\u8a2d\u5b9a\u3092\u7701\u7565\u3057\u307e\u3059\u304c\u3001\u69cb\u6587\u30df\u30b9\u3084\u8a31\u53ef\u3055\u308c\u306a\u3044\u8a2d\u5b9a\u306b\u3088\u308b500\u30a8\u30e9\u30fc\u307e\u3067\u306f\u9632\u304e\u307e\u305b\u3093\u3002\u7de8\u96c6\u524d\u306b.htaccess\u3092\u4fdd\u5b58\u3057\u3001\u30a8\u30e9\u30fc\u6642\u306f\u8ffd\u52a0\u90e8\u5206\u3092\u623b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c4\u30fc\u30eb\u304c\u51fa\u3059\u8a2d\u5b9a\u4f8b\u306e1\u884c\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u5f62\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>Header always set \\\n  X-Content-Type-Options \"nosniff\"<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u3067\u306f\u753b\u9762\u306e\u5e45\u306b\u5408\u308f\u305b\u30662\u884c\u306b\u5206\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u884c\u672b\u306e\u300c\\\u300d\u306f\u6b21\u306e\u884c\u3078\u7d9a\u304f\u3068\u3044\u3046\u610f\u5473\u306e\u8a18\u53f7\u3067\u3001Apache\u306f\u3053\u306e\u307e\u307e\u3067\u30821\u884c\u3068\u3057\u3066\u8aad\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8ff7\u3063\u305f\u3089\u3001\u30c4\u30fc\u30eb\u306e\u51fa\u529b\u306e\u3068\u304a\u308a1\u884c\u3067\u8cbc\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">functions.php\u306b\u66f8\u304f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b50\u30c6\u30fc\u30de\u306efunctions.php\u304b\u3001Code Snippets\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3059\u308b\u30d7\u30e9\u30b0\u30a4\u30f3\u306b\u66f8\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">WordPress\u306b\u306f\u3001\u30da\u30fc\u30b8\u3092\u9001\u308b\u76f4\u524d\u306b\u52d5\u304f\u300csend_headers\u300d\u3068\u3044\u3046\u4ed5\u7d44\u307f\u304c\u3042\u308a\u3001\u305d\u3053\u3067\u30d8\u30c3\u30c0\u30fc\u3092\u8db3\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-php\"><code>add_action( 'send_headers', function () {\n  $h = array(\n    'X-Content-Type-Options'\n      =&gt; 'nosniff',\n    'X-Frame-Options'\n      =&gt; 'SAMEORIGIN',\n    'Referrer-Policy'\n      =&gt; 'strict-origin-when-cross-origin',\n    'Permissions-Policy'\n      =&gt; 'camera=(), microphone=(), '\n       . 'geolocation=()',\n  );\n  foreach ( $h as $k =&gt; $v ) {\n    header( \"$k: $v\" );\n  }\n} );<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u65b9\u6cd5\u3067\u4ed8\u304f\u306e\u306f\u3001WordPress\u304c\u4f5c\u308b\u516c\u958b\u30da\u30fc\u30b8\u3060\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u753b\u50cf\u3084CSS\u306a\u3069\u306e\u30d5\u30a1\u30a4\u30eb\u3001\u7ba1\u7406\u753b\u9762\u306b\u306f\u4ed8\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306a\u304a\u3001WordPress\u672c\u4f53\u306f\u30ed\u30b0\u30a4\u30f3\u753b\u9762\u3068\u7ba1\u7406\u753b\u9762\u306b\u3060\u3051\u300cX-Frame-Options: SAMEORIGIN\u300d\u3092\u81ea\u52d5\u3067\u4ed8\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Referrer-Policy\u306e\u5024\u306e\u9078\u3073\u65b9\u306f\u300c<a href=\"https:\/\/motoki-design.co.jp\/wordpress\/referrer-policy\/\">Referrer-Policy\u3092\u30ec\u30b9\u30dd\u30f3\u30b9\u30d8\u30c3\u30c0\u30fc\u306b\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5<\/a>\u300d\u3067\u4e00\u89a7\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">HSTS\u306f\u5e38\u6642SSL\u5316\u304c\u6e08\u3093\u3067\u304b\u3089<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">HSTS\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u30fc\u306b\u300c\u3053\u306e\u30c9\u30e1\u30a4\u30f3\u306f\u6c7a\u3081\u305f\u671f\u9593\u3001HTTPS\u3067\u3057\u304b\u958b\u304b\u306a\u3044\u300d\u3068\u899a\u3048\u3055\u305b\u308b\u6307\u793a\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a2d\u5b9a\u3057\u305f\u3042\u3068\u306bHTTPS\u3092\u3084\u3081\u308b\u3068\u3001\u899a\u3048\u305f\u30d6\u30e9\u30a6\u30b6\u30fc\u304b\u3089\u306f\u30b5\u30a4\u30c8\u304c\u958b\u3051\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3059\u3079\u3066\u306e\u30da\u30fc\u30b8\u304cHTTPS\u3067\u958b\u3051\u308b\u3053\u3068\u3092\u78ba\u304b\u3081\u3066\u304b\u3089\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u5b89\u306a\u3068\u304d\u306f\u3001\u6709\u52b9\u671f\u9593\u3092300\u79d2\u306e\u3088\u3046\u306b\u77ed\u304f\u3057\u3066\u8a66\u3057\u3001\u554f\u984c\u304c\u7121\u3051\u308c\u30701\u5e74\uff0831536000\u79d2\uff09\u306b\u4f38\u3070\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c4\u30fc\u30eb\u306e\u8a2d\u5b9a\u4f8b\u306b\u3042\u308b\u300cincludeSubDomains\u300d\u306f\u3001\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u306b\u3082\u540c\u3058\u6307\u793a\u3092\u304b\u3051\u308b\u6307\u5b9a\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">HTTPS\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u3053\u306e\u6307\u5b9a\u3092\u5916\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">CSP\u306f\u69d8\u5b50\u898b\u304b\u3089\u59cb\u3081\u308b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CSP\u306f\u3001\u30da\u30fc\u30b8\u304c\u8aad\u307f\u8fbc\u3093\u3067\u3088\u3044\u30b9\u30af\u30ea\u30d7\u30c8\u3084\u753b\u50cf\u306e\u51fa\u3069\u3053\u308d\u3092\u9650\u308b\u6307\u793a\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CSP\u306f\u8aad\u307f\u8fbc\u307f\u5143\u3084\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u5b9f\u884c\u3092\u5236\u9650\u3057\u307e\u3059\u304c\u3001\u8a2d\u5b9a\u3092\u8aa4\u308b\u3068\u8868\u793a\u3084\u6a5f\u80fd\u304c\u6b62\u307e\u308a\u307e\u3059\u3002\u30d8\u30c3\u30c0\u30fc\u9593\u3067\u52b9\u679c\u3092\u4e00\u5f8b\u306b\u9806\u4f4d\u4ed8\u3051\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">WordPress\u3067\u306f\u3001\u30c6\u30fc\u30de\u3084\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u30da\u30fc\u30b8\u306e\u4e2d\u306b\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u76f4\u63a5\u66f8\u304d\u8fbc\u3080\u3053\u3068\u304c\u591a\u304f\u3001\u89e3\u6790\u30bf\u30b0\u30fb\u5e83\u544a\u30fb\u57cb\u3081\u8fbc\u307f\u52d5\u753b\u3082\u5916\u306e\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u305f\u3081\u3001\u3044\u304d\u306a\u308a\u672c\u756a\u306b\u9069\u7528\u305b\u305a\u3001\u6b21\u306e\u624b\u9806\u3067\u9032\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d8\u30c3\u30c0\u30fc\u540d\u3092\u300cContent-Security-Policy-Report-Only\u300d\u306b\u3057\u3066\u8a2d\u5b9a\u3059\u308b\uff08\u6b62\u3081\u305a\u306b\u3001\u9055\u53cd\u3060\u3051\u3092\u30d6\u30e9\u30a6\u30b6\u30fc\u306b\u8a18\u9332\u3059\u308b\uff09<\/li>\n\n\n<li>\u30b5\u30a4\u30c8\u306e\u4e3b\u306a\u30da\u30fc\u30b8\u3068\u3001\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u3092\u958b\u304f<\/li>\n\n\n<li>\u30d6\u30e9\u30a6\u30b6\u30fc\u306e\u958b\u767a\u8005\u30c4\u30fc\u30eb\u306e\u300cConsole\u300d\u306b\u51fa\u305f\u9055\u53cd\u3092\u898b\u3066\u3001\u5fc5\u8981\u306a\u51fa\u3069\u3053\u308d\u3092\u8a31\u53ef\u306b\u8db3\u3059<\/li>\n\n\n<li>\u4e3b\u8981\u306a\u64cd\u4f5c\u3068\u30ed\u30b0\u30a4\u30f3\u72b6\u614b\u3092\u5909\u3048\u3066\u78ba\u8a8d\u3057\u3001\u8a31\u53ef\u5148\u3092\u5fc5\u8981\u6700\u5c0f\u9650\u306b\u898b\u76f4\u3057\u305f\u3046\u3048\u3067\u672c\u9069\u7528\u3059\u308b\u3002\u30b3\u30f3\u30bd\u30fc\u30eb\u306e\u8b66\u544a\u3060\u3051\u3092\u6d88\u3059\u305f\u3081\u306b\u8a31\u53ef\u3092\u5e83\u3052\u306a\u3044<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c4\u30fc\u30eb\u304c\u51fa\u3059CSP\u306e\u8a2d\u5b9a\u4f8b\u306f\u3001\u591a\u304f\u306e\u30b5\u30a4\u30c8\u3067\u52d5\u304f\u3088\u3046\u300cunsafe-inline\u300d\u3092\u542b\u3081\u305f\u7de9\u3081\u306e\u5185\u5bb9\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6e80\u70b9\u3092\u76ee\u6307\u3059\u3088\u308a\u3001\u30b5\u30a4\u30c8\u304c\u6b62\u307e\u3089\u306a\u3044\u3053\u3068\u3092\u512a\u5148\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30c4\u30fc\u30eb\u3092\u4f7f\u308f\u305a\u306b\u78ba\u304b\u3081\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d8\u30c3\u30c0\u30fc\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u30fc\u306e\u958b\u767a\u8005\u30c4\u30fc\u30eb\u3067\u3082\u898b\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8abf\u3079\u305f\u3044\u30da\u30fc\u30b8\u3092\u958b\u304d\u3001F12\u30ad\u30fc\uff08Mac\u306fcommand\uff0boption\uff0bI\uff09\u3067\u958b\u767a\u8005\u30c4\u30fc\u30eb\u3092\u958b\u304f<\/li>\n\n\n<li>\u300cNetwork\u300d\u30bf\u30d6\u3092\u9078\u3073\u3001\u30da\u30fc\u30b8\u3092\u518d\u8aad\u307f\u8fbc\u307f\u3059\u308b<\/li>\n\n\n<li>\u4e00\u756a\u4e0a\u306b\u51fa\u308b\u30da\u30fc\u30b8\u672c\u4f53\u306e\u884c\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u300cHeaders\u300d\u306e\u300cResponse Headers\u300d\u3092\u898b\u308b<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b3\u30de\u30f3\u30c9\u3067\u78ba\u304b\u3081\u308b\u5834\u5408\u306f\u3001curl\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>curl -sS -D - -o \/dev\/null https:\/\/wordpress.org\/<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">2026\u5e749\u670828\u65e5\u306eHEAD\u8981\u6c42\u3067\u306f\u3001\u300cStrict-Transport-Security: max-age=3600\u300d\u3068\u300cX-Frame-Options: SAMEORIGIN\u300d\u304c\u8fd4\u308a\u307e\u3057\u305f\u3002<\/p>\n<p class=\"wp-block-paragraph\">\u73fe\u5728\u306e\u78ba\u8a8d\u3067\u306f\u4e0a\u306eGET\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3044\u3001\u901a\u5e38\u306e\u30da\u30fc\u30b8\u53d6\u5f97\u3068\u540c\u3058\u65b9\u6cd5\u3067\u30d8\u30c3\u30c0\u30fc\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/p>\n<p class=\"wp-block-paragraph\">Windows\u3067\u306fcurl.exe\u3092\u4f7f\u3044\u3001\/dev\/null\u3092NUL\u306b\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c4\u30fc\u30eb\u306e\u7d50\u679c\u3068\u540c\u3058\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ad\u30e3\u30c3\u30b7\u30e5\u7cfb\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3084CDN\u3092\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u53e4\u3044\u30d8\u30c3\u30c0\u30fc\u304c\u6b8b\u3063\u3066\u898b\u3048\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a2d\u5b9a\u3092\u5909\u3048\u305f\u3089\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u6d88\u3057\u3066\u304b\u3089\u78ba\u304b\u3081\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u6e80\u70b9\u306a\u3089\u30b5\u30a4\u30c8\u306f\u5b89\u5168\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b89\u5168\u3068\u306f\u8a00\u3048\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d8\u30c3\u30c0\u30fc\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306e\u4e00\u90e8\u3067\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u8106\u5f31\u6027\u3084\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u7ba1\u7406\u306f\u5225\u306b\u5bfe\u7b56\u304c\u8981\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u8a2d\u5b9a\u3057\u305f\u3089\u30b5\u30a4\u30c8\u304c\u8868\u793a\u3055\u308c\u306a\u304f\u306a\u308a\u307e\u3057\u305f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u591a\u304f\u306fCSP\u304c\u539f\u56e0\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CSP\u306e\u884c\u3092\u6d88\u3059\u304b\u3001\u300cReport-Only\u300d\u306b\u623b\u3057\u3066\u8868\u793a\u3092\u78ba\u304b\u3081\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">.htaccess\u3092\u7de8\u96c6\u3057\u3066\u753b\u9762\u304c\u771f\u3063\u767d\u306b\u306a\u3063\u305f\u5834\u5408\u306f\u3001\u8cbc\u3063\u305f\u884c\u3092\u6d88\u3057\u3066\u5143\u306b\u623b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. Nginx\u306e\u30b5\u30fc\u30d0\u30fc\u3067\u3082.htaccess\u306f\u4f7f\u3048\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nginx\u3060\u3051\u3067\u52d5\u304f\u30b5\u30fc\u30d0\u30fc\u3067\u306f.htaccess\u306f\u8aad\u307e\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u5834\u5408\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a\u3067\u6307\u5b9a\u3059\u308b\u304b\u3001functions.php\u306e\u65b9\u6cd5\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4eca\u306e\u8a2d\u5b9a\u306f<a href=\"https:\/\/motoki-design.co.jp\/tools\/security-headers\/\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u8a3a\u65ad<\/a>\u306bURL\u3092\u5165\u308c\u308c\u3070\u5206\u304b\u308b<\/li>\n\n\n<li>.htaccess\u306e\u9069\u7528\u7bc4\u56f2\u3068\u5b9f\u969b\u306e\u5fdc\u7b54\u3092\u78ba\u8a8d\u3059\u308b<\/li>\n\n\n<li>functions.php\u306b\u66f8\u304f\u3068\u3001WordPress\u306e\u516c\u958b\u30da\u30fc\u30b8\u306b\u3060\u3051\u4ed8\u304f<\/li>\n\n\n<li>HSTS\u306f\u5e38\u6642SSL\u5316\u304c\u6e08\u3093\u3067\u304b\u3089\u3001\u77ed\u3044\u671f\u9593\u3067\u8a66\u3059<\/li>\n\n\n<li><strong>CSP\u306fReport-Only\u3067\u69d8\u5b50\u3092\u898b\u3066\u304b\u3089\u672c\u9069\u7528\u3059\u308b<\/strong><\/li>\n<\/ul>\n\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -external\" data-type=\"type3\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">WEB\u30c4\u30fc\u30eb\u7bb1<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img decoding=\"async\" src=\"https:\/\/motoki-design.co.jp\/tools\/wp-content\/uploads\/2026\/09\/ogp.png\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/motoki-design.co.jp\/tools\/security-headers\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u8a3a\u65ad\uff5c.htaccess\u8a2d\u5b9a\u4f8b\u3064\u304d\u3067\u7121\u6599\u63a1\u70b9<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\">URL\u3092\u5165\u308c\u308b\u3060\u3051\u3067\u3001HSTS\u30fbCSP\u30fbX-Frame-Options\u306a\u3069\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u3092100\u70b9\u6e80\u70b9\u3067\u63a1\u70b9\u3002\u4e0d\u8db3\u3057\u3066\u3044\u308b\u8a2d\u5b9a\u306f\u3001\u305d\u306e\u307e\u307e\u8cbc\u308c\u308b .htaccess \u306e\u8a18\u8ff0\u4f8b\u3092\u51fa\u529b\u3057\u307e\u3059\u3002\u4f01&#8230;<\/span>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\n<p class=\"wp-block-paragraph\">SSL\u8a3c\u660e\u66f8\u306e\u6709\u52b9\u671f\u9650\u3082\u3042\u308f\u305b\u3066\u78ba\u304b\u3081\u308b\u306a\u3089\u3001<a href=\"https:\/\/motoki-design.co.jp\/tools\/ssl-check\/\">SSL\u8a3c\u660e\u66f8\u30c1\u30a7\u30c3\u30af<\/a>\u304c\u4f7f\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307b\u304b\u306e\u9805\u76ee\u3082\u307e\u3068\u3081\u3066\u70b9\u691c\u3059\u308b\u306a\u3089\u3001\u300c<a href=\"https:\/\/motoki-design.co.jp\/wordpress\/wordpress-site-checkup\/\">WordPress\u30b5\u30a4\u30c8\u3092\u81ea\u5206\u3067\u70b9\u691c\u3059\u308b\u624b\u9806<\/a>\u300d\u3067\u9806\u756a\u3068\u4f7f\u3044\u5206\u3051\u3092\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c4\u30fc\u30eb\u306e\u4e00\u89a7\u306f<a href=\"https:\/\/motoki-design.co.jp\/tools\/tools-list\/\">WEB\u30c4\u30fc\u30eb\u7bb1<\/a>\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n\n<p class=\"wp-block-paragraph\">functions.php\u306e\u4f8b\u306fWordPress\u304cPHP\u3067\u751f\u6210\u3059\u308b\u5bfe\u8c61\u5fdc\u7b54\u306e\u8a2d\u5b9a\u3067\u3059\u3002CDN\u3084\u30da\u30fc\u30b8\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u76f4\u63a5\u8fd4\u3059\u5fdc\u7b54\u306b\u306f\u51e6\u7406\u304c\u8d70\u3089\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u5909\u66f4\u524d\u5f8c\u306b\u5b9f\u969b\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u30d8\u30c3\u30c0\u30fc\u3092\u6bd4\u8f03\u3057\u3001\u57cb\u3081\u8fbc\u307f\u30fb\u30d5\u30a9\u30fc\u30e0\u30fb\u30ab\u30e1\u30e9\u306a\u3069\u5fc5\u8981\u306a\u6a5f\u80fd\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u3059\u3067\u306b\u30b5\u30fc\u30d0\u30fc\u5074\u306b\u8a2d\u5b9a\u304c\u3042\u308b\u5834\u5408\u306f\u91cd\u8907\u3084\u7af6\u5408\u3092\u907f\u3051\u3001\u7ba1\u7406\u5834\u6240\u3092\u6c7a\u3081\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2 class=\"wp-block-heading\">Apache\u3068WordPress\u3067\u78ba\u8a8d\u3057\u305f\u9069\u7528\u7bc4\u56f2<\/h2>\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u78ba\u8a8d\u5bfe\u8c61<\/th><th>\u9694\u96e2\u74b0\u5883\u3067\u306e\u7d50\u679c<\/th><\/tr><\/thead><tbody><tr><td>PHP\u4f8b\u3092\u8aad\u307f\u8fbc\u3093\u3060\u8a18\u4e8b\u30da\u30fc\u30b8<\/td><td>200\u3002nosniff\u30fbSAMEORIGIN\u30fbReferrer-Policy\u30fbPermissions-Policy\u3092\u78ba\u8a8d<\/td><\/tr><tr><td>\u753b\u50cf\u306a\u3069\u306b\u76f8\u5f53\u3059\u308b\u9759\u7684\u30d5\u30a1\u30a4\u30eb<\/td><td>200\u3002PHP\u4f8b\u306e4\u7a2e\u985e\u306f\u8ffd\u52a0\u3055\u308c\u306a\u304b\u3063\u305f<\/td><\/tr><tr><td>REST API\u30fb\u30ed\u30b0\u30a4\u30f3\u753b\u9762<\/td><td>PHP\u4f8b\u306e4\u7a2e\u985e\u306f\u4e00\u62ec\u8ffd\u52a0\u3055\u308c\u306a\u304b\u3063\u305f\u3002\u672c\u4f53\u306e\u30d8\u30c3\u30c0\u30fc\u306f\u5225\u306b\u5b58\u5728\u3059\u308b<\/td><\/tr><tr><td>Apache\u4f8b\u3092\u7f6e\u3044\u305f\u7bc4\u56f2\u306e\u9759\u7684\u30d5\u30a1\u30a4\u30eb<\/td><td>nosniff\u3042\u308a\u3002\u8ffd\u52a0\u8a2d\u5b9a\u3092\u623b\u3059\u3068\u4ed8\u304b\u306a\u304f\u306a\u3063\u305f<\/td><\/tr><\/tbody><\/table><\/figure>\n<p class=\"wp-block-paragraph\">2026\u5e7410\u67083\u65e5\u3001\u9694\u96e2\u3057\u305fApache 2.4.69\u30fbPHP CGI 8.2.29\u30fbWordPress 7.1.2\u3067\u3001\u63b2\u8f09\u306ePHP\u4f8b\u3068Apache\u306e\u8907\u6570\u884c\u306e\u8a2d\u5b9a\u4f8b\u3092\u5b9f\u884c\u3057\u307e\u3057\u305f\u3002<\/p>\n<p 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