{"id":11830,"date":"2025-07-31T15:11:01","date_gmt":"2025-07-31T13:11:01","guid":{"rendered":"https:\/\/webhosting.de\/hsts-aktivieren-vorteile-risiken-webschutz-sicher-encrypt\/"},"modified":"2025-07-31T15:11:01","modified_gmt":"2025-07-31T13:11:01","slug":"hsts-%e3%82%a2%e3%82%af%e3%83%86%e3%82%a3%e3%83%96%e5%8c%96-%e3%83%a1%e3%83%aa%e3%83%83%e3%83%88-%e3%83%aa%e3%82%b9%e3%82%af-%e3%82%a6%e3%82%a7%e3%83%96%e4%bf%9d%e8%ad%b7-%e3%82%bb%e3%82%ad%e3%83%a5","status":"publish","type":"post","link":"https:\/\/webhosting.de\/ja\/hsts-aktivieren-vorteile-risiken-webschutz-sicher-encrypt\/","title":{"rendered":"HTTP\u30b9\u30c8\u30ea\u30af\u30c8\u30fb\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff08HSTS\uff09\u306e\u6709\u52b9\u5316 - \u30e1\u30ea\u30c3\u30c8\u3001\u30ea\u30b9\u30af\u3001\u5b9f\u7528\u7684\u306a\u5b9f\u88c5\u65b9\u6cd5"},"content":{"rendered":"<p>HSTS\u3092\u6709\u52b9\u306b\u3059\u308b\u3068\u3001\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u305fHTTP\u63a5\u7d9a\u3084\u4e2d\u9593\u8005\u653b\u6483\u304b\u3089\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u78ba\u5b9f\u306b\u4fdd\u8b77\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u6280\u8853\u7684\u80cc\u666f\u3092\u8aac\u660e\u3057\u3001\u660e\u78ba\u306a\u5229\u70b9\u3068\u30ea\u30b9\u30af\u3092\u793a\u3057\u3001HTTP Strict Transport Security\u3092\u5b89\u5168\u306b\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306e\u7c21\u5358\u306a\u624b\u9806\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n<h2>\u4e2d\u5fc3\u70b9<\/h2>\n<ul>\n  <li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u30b2\u30a4\u30f3<\/strong> \u81ea\u52d5HTTPS\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3068SSL\u30b9\u30c8\u30ea\u30c3\u30d4\u30f3\u30b0\u304b\u3089\u306e\u4fdd\u8b77\u3092\u901a\u3058\u3066<\/li>\n  <li><strong>HSTS\u30d7\u30ea\u30ed\u30fc\u30c9<\/strong> \u30b5\u30a4\u30c8\u521d\u8a2a\u554f\u6642\u306e\u4fdd\u8b77<\/li>\n  <li><strong>\u8a3c\u660e\u66f8<\/strong> \u306f\u5e38\u306b\u6709\u52b9\u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u305d\u3046\u3067\u306a\u3044\u5834\u5408\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u30a2\u30af\u30bb\u30b9\u3092\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n  <li><strong>\u8a2d\u5b9a\u30df\u30b9\u306e\u30ea\u30b9\u30af<\/strong>\u30d7\u30ea\u30ed\u30fc\u30c9\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u3001\u5143\u306b\u623b\u3059\u306e\u306f\u96e3\u3057\u3044\u3002<\/li>\n  <li><strong>\u30b5\u30fc\u30d0\u30fc\u8a2d\u5b9a<\/strong> \u30dd\u30ea\u30b7\u30fc\u304c\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u9069\u7528\u3055\u308c\u308b\u524d\u306b\u3001\u7279\u306b\u30c6\u30b9\u30c8\u3059\u308b<\/li>\n<\/ul>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/07\/hsts-aktivieren-9874.webp\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>HSTS\u3068\u306f\u4f55\u304b\u3001\u306a\u305c\u4e0d\u53ef\u6b20\u306a\u306e\u304b\uff1f<\/h2>\n<p>HTTP\u30b9\u30c8\u30ea\u30af\u30c8\u30fb\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff08HSTS\uff09\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u3053\u308c\u3092\u5f37\u5236\u3059\u308b\u3001 <strong>\u3059\u3079\u3066\u306e\u63a5\u7d9a<\/strong> HTTPS\u7d4c\u7531\u3067\u6697\u53f7\u5316\u3055\u308c\u307e\u3059\u3002HSTS\u306f\u5358\u306bHTTP\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u306e\u30ea\u30ed\u30fc\u30c9\u3092\u9632\u3050\u3060\u3051\u3067\u306a\u304f\u3001\u660e\u78ba\u306b\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3002\u30d6\u30e9\u30a6\u30b6\u304cStrict-Transport-Security\u30d8\u30c3\u30c0\u3092\u53d7\u3051\u53d6\u308b\u3068\u3059\u3050\u306b\u3001\u6307\u5b9a\u3055\u308c\u305f\u6642\u9593\u306e\u9593\u3001\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u3059\u3079\u3066\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u62d2\u5426\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u653b\u6483\u8005\u304c\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u64cd\u4f5c\u3057\u3066\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u653b\u6483\u3092\u884c\u3046\u3053\u3068\u3092\u9632\u304e\u307e\u3059\u3002HSTS\u306f\u3001\u5b89\u5168\u3067\u306a\u3044WLAN\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u30e2\u30d0\u30a4\u30eb\u30e6\u30fc\u30b6\u30fc\u3092\u4fdd\u8b77\u3059\u308b\u5834\u5408\u306b\u7279\u306b\u6709\u5229\u3067\u3059\u3002<\/p>\n\n<p>\u5358\u7d14\u306aHTTPS\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3068\u306f\u7570\u306a\u308a\u3001\u5f37\u5236\u7684\u306aHTTPS\u306e\u4f7f\u7528\u306f\u30d6\u30e9\u30a6\u30b6\u306b\u4fdd\u5b58\u3055\u308c\u7d9a\u3051\u3001\u305d\u306e\u5f8c\u306e\u3059\u3079\u3066\u306e\u63a5\u7d9a\u3092\u4fdd\u8b77\u3059\u308b\u3002\u3053\u306e\u6c38\u7d9a\u6027\u306b\u3088\u308a\u3001HSTS\u306f\u5f37\u529b\u306a\u30c4\u30fc\u30eb\u3068\u306a\u308a\u307e\u3059\u304c\u3001\u8a2d\u5b9a\u3092\u8aa4\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306a\u554f\u984c\u3082\u751f\u3058\u307e\u3059\u3002 <strong>\u6052\u4e45\u7684\u306a\u554f\u984c<\/strong> \u539f\u56e0HSTS\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u3084\u6f5c\u5728\u7684\u306a\u653b\u6483\u8005\u304cHTTP\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3057\u3088\u3046\u3068\u3057\u3066\u3082\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u5e38\u306bHTTPS\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u5f37\u5236\u3059\u308b\u3053\u3068\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u7279\u306b\u5927\u898f\u6a21\u306a\u30b5\u30fc\u30d0\u30fc\u74b0\u5883\u3084\u591a\u5c64\u30b5\u30fc\u30d0\u30fc\u74b0\u5883\u3067\u306f\u3001\u3053\u306e\u5bfe\u7b56\u3092\u614e\u91cd\u306b\u5b9f\u65bd\u3059\u308b\u4fa1\u5024\u304c\u3042\u308b\u3002<\/p>\n\n<p>HTTP\u304b\u3089HTTPS\u3078\u306e\u7d14\u7c8b\u306a\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3067\u306f\u3001\u653b\u6483\u8005\u304c\u9069\u5207\u306a\u30bf\u30a4\u30df\u30f3\u30b0\u3067HTTPS\u3078\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3092\u4e0a\u66f8\u304d\u3059\u308b\uff08SSL\u30b9\u30c8\u30ea\u30c3\u30d4\u30f3\u30b0\uff09\u5371\u967a\u6027\u304c\u6b8b\u3063\u3066\u3044\u307e\u3059\u3002\u4e00\u65b9\u3001HSTS\u306f\u5b89\u5168\u3067\u306a\u3044\u30c7\u30fc\u30bf\u3078\u306e\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u8a31\u3055\u306a\u3044\u3002\u3082\u30461\u3064\u306e\u30e6\u30fc\u30b6\u30fc\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u7279\u5fb4\u306f\u3001\u6697\u53f7\u5316\u3055\u308c\u305f\u30d5\u30a9\u30fc\u30e0\u3067\u30b5\u30fc\u30d5\u30a3\u30f3\u3092\u3059\u308b\u305f\u3081\u306b\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3067\u8ab0\u3082\u4f55\u304b\u3092\u5165\u529b\u3057\u305f\u308a\u30af\u30ea\u30c3\u30af\u3057\u305f\u308a\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044\u3053\u3068\u3067\u3059\u3002<\/p>\n\n<h2>HSTS\u306e\u6280\u8853\u7684\u5b9a\u7fa9<\/h2>\n<p>\u30b5\u30fc\u30d0\u30fc\u306f\u5b89\u5168\u306aHTTPS\u63a5\u7d9a\u306e\u305f\u3081\u306bHSTS\u30d8\u30c3\u30c0\u30fc\u3092\u767a\u884c\u3059\u308b\u3002\u3053\u3053\u3067\u306f3\u3064\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u91cd\u8981\u3067\u3042\u308b\uff1a<\/p>\n\n<table>\n  <thead>\n    <tr>\n      <th>\u30d1\u30e9\u30e1\u30fc\u30bf<\/th>\n      <th>\u8aac\u660e<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td><strong>\u6700\u9ad8\u5e74\u9f62<\/strong><\/td>\n      <td>\u30d6\u30e9\u30a6\u30b6\u304cHTTPS\u3092\u5f37\u5236\u3059\u308b\u6642\u9593\uff08\u79d2\uff09\u3002\u901a\u5e38\u306f31536000\u79d2\uff1d1\u5e74\u3067\u3059\u3002<\/td>\n    <\/tr>\n    <tr>\n      <td><strong>\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u3092\u542b\u3080<\/strong><\/td>\n      <td>\u3059\u3079\u3066\u306e\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u306e\u30dd\u30ea\u30b7\u30fc\u3092\u8a2d\u5b9a\u3059\u308b - HTTPS\u3082\u5fc5\u9808\u3002<\/td>\n    <\/tr>\n    <tr>\n      <td><strong>\u30d7\u30ea\u30ed\u30fc\u30c9<\/strong><\/td>\n      <td>\u30d6\u30e9\u30a6\u30b6\u5185\u90e8\u306eHSTS\u30d7\u30ea\u30ed\u30fc\u30c9\u30ea\u30b9\u30c8\u3078\u306e\u30a8\u30f3\u30c8\u30ea\u3092\u6709\u52b9\u306b\u3057\u307e\u3059\u3002\u521d\u56de\u8a2a\u554f\u6642\u306e\u30e6\u30fc\u30b6\u30fc\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\n<p>\u5178\u578b\u7684\u306aHSTS\u30d8\u30c3\u30c0\u30fc\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308b\uff1a<\/p>\n<pre><code>Strict-Transport-Security: max-age=31536000; includeSubDomains; preload<\/code><\/pre>\n\n<p>\u4edd <strong>\u30d7\u30ea\u30ed\u30fc\u30c9<\/strong>-\u30d5\u30e9\u30b0\u306b\u306f\u7279\u5225\u306a\u610f\u5473\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30d5\u30e9\u30b0\u304c\u9069\u7528\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u306f\u3001\u4e00\u822c\u7684\u306a\u30d6\u30e9\u30a6\u30b6\u30e1\u30fc\u30ab\u30fc\u304c\u7ba1\u7406\u3059\u308b\u30ea\u30b9\u30c8\u306b\u767b\u9332\u3055\u308c\u307e\u3059\u3002Chrome\u3001Firefox\u3001Edge\u3001Safari\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u7406\u7531\u304b\u3089\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3054\u3068\u306b\u3053\u306e\u30ea\u30b9\u30c8\u3092\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u304c\u521d\u3081\u3066\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u3068\u304d\u3001HSTS\u30d8\u30c3\u30c0\u30fc\u304c\u30b5\u30fc\u30d0\u30fc\u306b\u53d7\u3051\u5165\u308c\u3089\u308c\u306a\u304f\u3066\u3082\u3001HSTS\u30dd\u30ea\u30b7\u30fc\u306f\u3059\u3067\u306b\u9069\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30c9\u30e1\u30a4\u30f3\u304c\u5165\u529b\u3055\u308c\u308b\u524d\u306b\u3001\u30d6\u30e9\u30a6\u30b6\u30e1\u30fc\u30ab\u30fc\u306e\u4ed5\u69d8\u306b\u7d30\u5fc3\u306e\u6ce8\u610f\u3092\u6255\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/07\/hsts-besprechung-1234.webp\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u4f7f\u7528\u4e0a\u306e\u30ea\u30b9\u30af\u3068\u8ab2\u984c<\/h2>\n<p>HSTS\u3092\u6709\u52b9\u306b\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u6f5c\u5728\u7684\u306a\u526f\u4f5c\u7528\u306b\u6ce8\u610f\u3059\u3079\u304d\u3067\u3042\u308b\u3002max-age\u304c\u610f\u56f3\u7684\u306b\u77ed\u7e2e\u3055\u308c\u306a\u3044\u9650\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u69cb\u306f\u6c38\u7d9a\u7684\u3067\u3059\u3002includeSubDomains \"\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u6b63\u3057\u304f\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u3068\u3001SSL\u8a3c\u660e\u66f8\u304c\u6709\u52b9\u3067\u306a\u3044\u5834\u5408\u3001\u5185\u90e8\u306e\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u306b\u7a81\u7136\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30bb\u30ad\u30e5\u30a2\u3068\u30de\u30fc\u30af\u3055\u308c\u305f\u63a5\u7d9a\u3067\u8a3c\u660e\u66f8\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u5373\u5ea7\u306b\u30da\u30fc\u30b8\u3092\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u4e0d\u7528\u610f\u306a\u8a2d\u5b9a\u30df\u30b9\u306b\u3088\u3063\u3066\u3001\u91cd\u8981\u306a\u30b5\u30fc\u30d3\u30b9\u304c\u3059\u3050\u306b\u505c\u6b62\u3057\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308b\u306e\u3060\u3002<\/p>\n\n<p>\u7279\u306b\u30d7\u30ea\u30ed\u30fc\u30c9\u30fb\u30ea\u30b9\u30c8\u3078\u306e\u767b\u9332\u306f\u3001\u9577\u671f\u7684\u306a\u52b9\u679c\u3092\u6301\u3064\u6c7a\u5b9a\u3067\u3042\u308b\u3002\u4e00\u65e6\u305d\u3053\u306b\u56fa\u5b9a\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u306f\u3001\u52aa\u529b\u3068\u5f85\u3061\u6642\u9593\u304c\u306a\u3051\u308c\u3070\u53d6\u308a\u6d88\u3059\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3002\u79c1\u306f\u304a\u52e7\u3081\u3059\u308b\uff1a\u307e\u305a <strong>\u30d7\u30ea\u30ed\u30fc\u30c9<\/strong> \u3092\u958b\u59cb\u3057\u3001\u3059\u3079\u3066\u3092\u30c6\u30b9\u30c8\u3057\u3001\u30a8\u30e9\u30fc\u3092\u9664\u5916\u3057\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u8ffd\u52a0\u3059\u308b\u3002\u305d\u308c\u3067\u3082\u30d7\u30ea\u30ed\u30fc\u30c9\u3092\u76f4\u63a5\u4f7f\u7528\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u975e\u5e38\u306b\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u8a3c\u660e\u66f8\u7ba1\u7406\u30d7\u30ed\u30bb\u30b9\u304c\u5fc5\u8981\u3067\u3059\u3002\u8a3c\u660e\u66f8\u306e\u6709\u52b9\u671f\u9650\u304c\u5207\u308c\u308b\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u3088\u308b\u5305\u62ec\u7684\u306a\u5931\u52b9\u306b\u3064\u306a\u304c\u308a\u3001\u305d\u306e\u7d50\u679c\u3001\u9867\u5ba2\u306e\u55aa\u5931\u3084\u4fe1\u983c\u306e\u554f\u984c\u306b\u767a\u5c55\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/p>\n\n<p>\u307e\u305f\u3001\u4e00\u90e8\u306e\u30d6\u30e9\u30a6\u30b6\u3084\u53e4\u3044\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3092\u642d\u8f09\u3057\u305f\u30c7\u30d0\u30a4\u30b9\u306f\u3001HSTS\u3092\u307e\u3060\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u3082\u5ff5\u982d\u306b\u7f6e\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u73fe\u5728\u3067\u306f\u3053\u306e\u3088\u3046\u306a\u30b1\u30fc\u30b9\u306f\u307b\u3068\u3093\u3069\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u3044HSTS\u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u3088\u3063\u3066\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u305f\u308a\u3001\u8fc2\u56de\u901a\u77e5\u304c\u8868\u793a\u3055\u308c\u305f\u308a\u3057\u3066\u3001\u6642\u4ee3\u9045\u308c\u306e\u30d6\u30e9\u30a6\u30b6\u304c\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u306e\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u3092\u6df7\u4e71\u3055\u305b\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u30b7\u30ca\u30ea\u30aa\u306f\u3001\u7279\u306b\u30bf\u30fc\u30b2\u30c3\u30c8\u30fb\u30b0\u30eb\u30fc\u30d7\u304c\u53e4\u3044\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u4e8b\u524d\u306b\u30c6\u30b9\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n<h2>HSTS\u3092\u5b89\u5168\u306b\u6709\u52b9\u5316\u3059\u308b\u65b9\u6cd5 - \u30b9\u30c6\u30c3\u30d7\u30fb\u30d0\u30a4\u30fb\u30b9\u30c6\u30c3\u30d7<\/h2>\n<p>\u79c1\u306f\u3001\u30a2\u30af\u30c6\u30a3\u30d9\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u9020\u7684\u306b\u5b9f\u65bd\u3059\u308b\u3053\u3068\u3067\u826f\u3044\u7d4c\u9a13\u3092\u7a4d\u3093\u3067\u304d\u305f\uff1a<\/p>\n<ul>\n  <li><strong>SSL\u8a3c\u660e\u66f8<\/strong> (\u3092\u7d4c\u7531\u3059\u308b\u3002 <a href=\"https:\/\/webhosting.de\/ja\/ssl%e8%a8%bc%e6%98%8e%e6%9b%b8-%e6%a0%bc%e5%ae%89%e3%82%bb%e3%82%ad%e3%83%a5%e3%82%a2%e6%8e%a5%e7%b6%9a%e3%82%bb%e3%83%83%e3%83%88%e3%82%a2%e3%83%83%e3%83%97%e3%82%ac%e3%82%a4%e3%83%89-%e6%9a%97\/\">\u3053\u306e\u6307\u793a<\/a>).\u5e38\u306b\u6709\u52b9\u306a\u8a3c\u660e\u66f8\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u671f\u9650\u5207\u308c\u306e\u8a3c\u660e\u66f8\u306f\u3001\u3059\u3050\u306b\u5b8c\u5168\u306a\u5c01\u9396\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/li>\n  <li>\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u306eStrict-Transport-Security\u30d8\u30c3\u30c0\u30fc\u3092\u8a2d\u5b9a\u3059\u308b\uff08Apache .htaccess\u3084Nginx\u306e\u8a2d\u5b9a\u306a\u3069\uff09\u3002\u3059\u3079\u3066\u306e\u30b5\u30fc\u30d3\u30b9\u304c\u6b63\u3057\u304f\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u3001\u77ed\u3044\u30c6\u30b9\u30c8\u671f\u9593\u304c\u5f79\u7acb\u3061\u307e\u3059\u3002<\/li>\n  <li>\u30c6\u30b9\u30c8\u306e\u305f\u3081\u306b\u3001max-age\u3092\u6700\u521d\u306f\u77ed\u304f-\u305f\u3068\u3048\u3070300\u79d2-\u306b\u3057\u3066\u304a\u304f\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30e6\u30fc\u30b6\u304c\u9577\u671f\u7684\u306b\u8aa4\u3063\u305fHSTS\u8a2d\u5b9a\u3067\u7acb\u3061\u5f80\u751f\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u30a8\u30e9\u30fc\u3092\u8fc5\u901f\u306b\u4fee\u6b63\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n  <li>\u3059\u3079\u3066\u306e\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u304c\u4fdd\u8b77\u3055\u308c\u3066\u3044\u306a\u3044\u9650\u308a\u3001\u6700\u521d\u306bIncludeSubDomains\u3092\u6709\u52b9\u306b\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u5404\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u306e\u8a3c\u660e\u66f8\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u3046\u3057\u306a\u3044\u3068\u3001\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u305f\u308a\u3001\u30d6\u30ed\u30c3\u30af\u3055\u308c\u305f\u308a\u3059\u308b\u5371\u967a\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n  <li>\u967d\u6027\u53cd\u5fdc\u5f8c\uff1a\u5f90\u3005\u306b\u6700\u5927\u5e74\u9f62\u30921\u5e74\u307e\u3067\u5f15\u304d\u4e0a\u3052\u308b\u3002\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u6027\u6025\u306b\u30ea\u30b9\u30af\u3092\u5192\u3059\u3053\u3068\u306a\u304f\u3001\u5b89\u5fc3\u611f\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/li>\n  <li>SSL Labs\u306a\u3069\u306e\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3001\u3059\u3079\u3066\u304c\u6b63\u3057\u304f\u7d71\u5408\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u5206\u6790\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u9818\u57df\u304c\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u304b\u3001\u8a3c\u660e\u66f8\u304c\u6b63\u3057\u304f\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u304b\u3092\u3059\u3050\u306b\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/li>\n  <li>\u30aa\u30d7\u30b7\u30e7\u30f3\u3060\uff1a <strong>\u30d7\u30ea\u30ed\u30fc\u30c9<\/strong> \u3059\u3079\u3066\u306e\u53ef\u80fd\u306a\u30ea\u30b9\u30af\u304c\u6052\u4e45\u7684\u306b\u6392\u9664\u3055\u308c\u308b\u5834\u5408\u3002\u30d7\u30ea\u30ed\u30fc\u30c9\u30a8\u30f3\u30c8\u30ea\u30fc\u306f\u6700\u9ad8\u30ec\u30d9\u30eb\u3092\u8868\u3057\u3001\u6700\u521d\u306e\u30da\u30fc\u30b8\u30d3\u30e5\u30fc\u304b\u3089\u5305\u62ec\u7684\u306a\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n<p>\u7279\u306b\u521d\u671f\u6bb5\u968e\u3067\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u30ed\u30b0\u3092\u6ce8\u8996\u3057\u3066\u304a\u304f\u3053\u3068\u304c\u6709\u52b9\u3067\u3059\u30024xx\u30845xx\u306e\u30a8\u30e9\u30fc\u304c\u76ee\u7acb\u3064\u5834\u5408\u306f\u3001HSTS\u306e\u5f37\u5236\u304c\u539f\u56e0\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u8a2d\u5b9a\u304c\u6b63\u3057\u304f\u306a\u3044\u5834\u5408\u3001\u3082\u3063\u3068\u65e9\u3044\u6bb5\u968e\u3067\u554f\u984c\u3092\u5831\u544a\u3059\u308b\u30d6\u30e9\u30a6\u30b6\u3082\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001\u7570\u306a\u308b\u30d6\u30e9\u30a6\u30b6\uff08Chrome\u3001Firefox\u3001Safari\u3001Edge\uff09\u3001\u7570\u306a\u308b\u30a8\u30f3\u30c9\u30c7\u30d0\u30a4\u30b9\uff08\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3001\u30bf\u30d6\u30ec\u30c3\u30c8\uff09\u3001\u304a\u3088\u3073\u53e4\u3044\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3067\u5305\u62ec\u7684\u306a\u30c6\u30b9\u30c8\u3092\u5b9f\u65bd\u3059\u308b\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/07\/hsts-aktivieren-vorteile-risiken-7891.webp\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>HSTS\u3092\u4f7f\u7528\u3059\u308b\u91cd\u8981\u306a\u5229\u70b9<\/h2>\n<p>HSTS\u306e\u5229\u70b9\u306f\u3001\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u6271\u3046\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u304a\u3044\u3066\u7279\u306b\u9855\u8457\u3067\u3042\u308b\u3002\u3053\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u7a4d\u6975\u7684\u306b\u4f55\u304b\u3092\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u653b\u6483\u30d9\u30af\u30c8\u30eb\u3092\u660e\u78ba\u306b\u906e\u65ad\u3057\u307e\u3059\u3002HSTS\u304c\u6b63\u3057\u304f\u6709\u52b9\u5316\u3055\u308c\u3066\u3044\u308c\u3070\u3001\u6700\u65b0\u306e\u30d6\u30e9\u30a6\u30b6\u306f\u63a5\u7d9a\u304c\u5b89\u5168\u306b\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u304b\u3001\u3042\u308b\u3044\u306f\u30d6\u30ed\u30c3\u30af\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3092\u5373\u5ea7\u306b\u8a8d\u8b58\u3057\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u3057\u3066\u3001HSTS\u306f\u8a2a\u554f\u8005\u306e\u4fe1\u983c\u3092\u5f37\u5316\u3057\u3001\u904b\u55b6\u8005\u3068\u3057\u3066\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u5b8c\u5168\u6027\u3092\u7dad\u6301\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n<p>\u3055\u3089\u306a\u308b\u5229\u70b9\u304c\u3042\u308b\uff1a<\/p>\n<ul>\n  <li><strong>SEO\u306e\u5229\u70b9<\/strong>Google\u306f\u3001\u4e00\u8cab\u3057\u3066HTTPS\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u30b5\u30a4\u30c8\u3092\u512a\u9047\u3057\u307e\u3059\u3002HSTS\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u30b5\u30a4\u30c8\u306f\u3001\u9593\u9055\u3044\u306a\u304f\u6697\u53f7\u5316\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u304b\u3089\u3060\u3002<\/li>\n  <li>\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30c7\u30fc\u30bf\u304c\u9001\u4fe1\u3055\u308c\u306a\u304f\u306a\u308b\u305f\u3081\u3001GDPR\u3084ISO 27001\u306a\u3069\u3001\u73fe\u884c\u306e\u30c7\u30fc\u30bf\u4fdd\u8b77\u8981\u4ef6\u3092\u6e80\u305f\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u6a5f\u5bc6\u60c5\u5831\u304c\u4e00\u8cab\u3057\u3066\u6697\u53f7\u5316\u3055\u308c\u305f\u5f62\u3067\u9001\u4fe1\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u306e\u8a3c\u660e\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n  <li>\u8aa4\u3063\u305fHTTP\u30b3\u30fc\u30eb\u306b\u3088\u308b\u30bb\u30c3\u30b7\u30e7\u30f3\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u304b\u3089\u306e\u4fdd\u8b77\u3002\u30e6\u30fc\u30b6\u30fc\u304c\u610f\u56f3\u305b\u305a\u300chttps:\/\/\u300d\u306a\u3057\u3067URL\u3092\u5165\u529b\u3057\u305f\u5834\u5408\u3067\u3082\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u6697\u53f7\u5316\u3055\u308c\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5f37\u5236\u7684\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002<\/li>\n  <li>\u4e0d\u8981\u306a\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3092\u907f\u3051\u308b - \u30e6\u30fc\u30b6\u30fc\u306fHTTPS\u7d4c\u7531\u3067\u76f4\u63a5\u30da\u30fc\u30b8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u6642\u9593\u304c\u82e5\u5e72\u6700\u9069\u5316\u3055\u308c\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u306b\u30d7\u30e9\u30b9\u306e\u52b9\u679c\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n<p>\u6280\u8853\u7684\u306b\u306f\u3001\u52b9\u679c\u3092\u6e2c\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\uff1aHTTP\u63a5\u7d9a\u3092\u6052\u4e45\u7684\u306b\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3053\u3068\u3067\u3001\u30a6\u30a7\u30d6\u30b9\u30ad\u30e3\u30ca\u30fc\u306e\u7d50\u679c\u306b\u6f5c\u5728\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8106\u5f31\u6027\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u5c11\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001SEO\u3001\u30c7\u30fc\u30bf\u4fdd\u8b77\u30ec\u30dd\u30fc\u30c8\u3001\u9867\u5ba2\u306e\u5370\u8c61\u306b\u7b49\u3057\u304f\u5229\u76ca\u3092\u3082\u305f\u3089\u3059\u3002\u4fe1\u983c\u6027\u306e\u9ad8\u3044 HTTPS \u6226\u7565\u306f\u3001\u7279\u306b\u30e6\u30fc\u30b6\u30fc\u306e\u9593\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3078\u306e\u61f8\u5ff5\u304c\u5e38\u306b\u9ad8\u307e\u3063\u3066\u3044\u308b\u73fe\u5728\u3001\u6c7a\u5b9a\u7684\u306a\u72ec\u81ea\u306e\u30bb\u30fc\u30eb\u30b9\u30dd\u30a4\u30f3\u30c8\u3068\u306a\u308a\u5f97\u308b\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/07\/hsts-aktivieren-vorteile-risiken-7891.webp\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u5171\u6709\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u74b0\u5883\u306eHSTS\u306b\u9069\u7528\u3055\u308c\u308b\u3082\u306e<\/h2>\n<p>\u5171\u6709\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u69cb\u9020\uff08\u5171\u6709\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u307e\u305f\u306f\u30de\u30cd\u30fc\u30b8\u30c9\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\uff09\u3067\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u8a2d\u5b9a\u3078\u306e\u500b\u3005\u306e\u30a2\u30af\u30bb\u30b9\u306f\u901a\u5e38\u5236\u9650\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u79c1\u306f\u307e\u305a\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u304c.htaccess\u306b\u3088\u308b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3092\u8a31\u53ef\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3001\u307e\u305f\u306f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u591a\u304f\u306e\u5834\u5408\u3001.htaccess\u306b1\u884c\u8ffd\u52a0\u3059\u308b\u3060\u3051\u3067\u3001HSTS\u30d8\u30c3\u30c0\u30fc\u3092\u51fa\u529b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3042\u308b\u3044\u306f\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u306b\u3088\u3063\u3066\u306f\u3001\u7ba1\u7406\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\uff08Plesk\u3084cPanel\u306a\u3069\uff09\u3067\u5bfe\u5fdc\u3059\u308b\u8a2d\u5b9a\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n<p>\u4fe1\u983c\u3067\u304d\u308bHTTPS\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306f\u3001\u3059\u3067\u306b\u826f\u3044\u5146\u5019\u3067\u3059\u3002\u6b21\u306e\u3088\u3046\u306a\u6307\u793a\u304c\u3042\u308a\u307e\u3059\u3002 <a href=\"https:\/\/webhosting.de\/ja\/https%e8%bb%a2%e9%80%81%e3%81%ae%e8%a8%ad%e5%ae%9a-%e3%82%bb%e3%82%ad%e3%83%a5%e3%82%a2%e3%81%aa%e6%8e%a5%e7%b6%9a%e3%81%ae%e3%83%92%e3%83%b3%e3%83%88-ssl%e3%83%95%e3%82%a9%e3%83%bc%e3%82%ab%e3%82%b9\/\">HTTPS\u8ee2\u9001\u306e\u30d8\u30eb\u30d7<\/a> \u3092\u53c2\u7167\u3055\u308c\u305f\u3044\u3002\u3057\u304b\u3057\u3001\u5358\u306bHTTPS\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3059\u308b\u3060\u3051\u3067\u306f\u3001SSL\u30b9\u30c8\u30ea\u30c3\u30d4\u30f3\u30b0\u3092\u52b9\u679c\u7684\u306b\u9632\u3050\u306b\u306f\u5341\u5206\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5b8c\u5168\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u4eab\u53d7\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u5171\u6709\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u3067\u3082HSTS\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6709\u52b9\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n<p>\u3057\u304b\u3057\u3001\u5171\u6709\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u74b0\u5883\u306b\u3088\u3063\u3066\u306f\u3001\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u3092\u5b89\u5168\u306b\u30ab\u30d0\u30fc\u3059\u308b\u306e\u304c\u8907\u96d1\u306a\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u7279\u306b\u5916\u90e8\u30b5\u30fc\u30d3\u30b9\u3084\u30c4\u30fc\u30eb\uff08\u30a6\u30a7\u30d6\u30e1\u30fc\u30eb\u3001\u9867\u5ba2\u30a8\u30ea\u30a2\u3001\u30d6\u30ed\u30b0\u306a\u3069\uff09\u3067\u306f\u3001\u3059\u3079\u3066\u306e\u8a3c\u660e\u66f8\u304c\u6709\u52b9\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u306e\u52d5\u4f5c\u306b\u6b20\u9665\u304c\u3042\u308b\u3068\u3001\u30c9\u30e1\u30a4\u30f3\u5168\u4f53\u304c\u5b89\u5168\u3067\u306a\u3044\u3068\u3044\u3046\u30d5\u30e9\u30b0\u3092\u7acb\u3066\u3089\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u8cb4\u793e\u306e\u8a55\u5224\u3084\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306b\u76f4\u63a5\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n<h2>\u5b89\u5168\u306a\u4f7f\u7528\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n<p>\u8a3c\u660e\u66f8\u306e\u671f\u9650\u5207\u308c\u306f\u907f\u3051\u3089\u308c\u306a\u3044\u3002\u305d\u306e\u305f\u3081\u3001\u79c1\u306fLet's Encrypt\u3084cronjobs\u3001API\u3001ACME\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u3063\u305f\u4ed6\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u4f7f\u3063\u3066\u66f4\u65b0\u30d7\u30ed\u30bb\u30b9\u3092\u81ea\u52d5\u5316\u3057\u3066\u3044\u308b\u3002\u66f4\u65b0\u3092\u6020\u308b\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3053\u3068\u306b\u306a\u308b\u3002\u3053\u306e\u3088\u3046\u306b\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u304c\u7a81\u7136\u5931\u6557\u306e\u30ea\u30b9\u30af\u306b\u306a\u308b\u306e\u3060\u3002<\/p>\n\n<p>includeSubDomains\u3092\u6709\u52b9\u306b\u3059\u308b\u524d\u306b\u3001\u79c1\u306f\u7279\u306b\u95a2\u9023\u3059\u308b\u3059\u3079\u3066\u306e\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u3092\u30c6\u30b9\u30c8\u3057\u307e\u3059\u3002\u7279\u306b\u5185\u90e8\u30c4\u30fc\u30eb\u3001\u53e4\u3044\u30b5\u30fc\u30d3\u30b9\u3001\u958b\u767a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306f\u4fdd\u8b77\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u591a\u3044\u3002\u305d\u306e\u305f\u3081\u3001\u79c1\u306f\u3053\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u306a\u3044\u304b\u3001\u4f7f\u7528\u3059\u308b\u524d\u306b\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u5404\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u614e\u91cd\u306b\u4fdd\u8b77\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u3059\u3079\u3066\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u304c\u9069\u5207\u306b\u8a2d\u5b9a\u3055\u308c\u3001\u6df7\u5408\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u554f\u984c\u304c\u767a\u751f\u3057\u306a\u3044\u3053\u3068\u3082\u91cd\u8981\u3067\u3059\u3002\u30df\u30c3\u30af\u30b9\u30b3\u30f3\u30c6\u30f3\u30c4\u3068\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306fHTTPS\u3067\u8aad\u307f\u8fbc\u307e\u308c\u308b\u304c\u3001\u753b\u50cf\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u3001\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u306a\u3069\u306e\u500b\u3005\u306e\u30d5\u30a1\u30a4\u30eb\u304cHTTP\u3067\u7d71\u5408\u3055\u308c\u305f\u307e\u307e\u3067\u3042\u308b\u5834\u5408\u306b\u767a\u751f\u3059\u308b\u3002\u3053\u308c\u3067\u306f\u4e00\u8cab\u3057\u305f\u6697\u53f7\u5316\u304c\u640d\u306a\u308f\u308c\u3001HSTS\u306e\u52b9\u679c\u3092\u5341\u5206\u306b\u767a\u63ee\u3067\u304d\u306a\u3044\u3002<\/p>\n\n<p>\u306a\u3069\u306e\u8ffd\u52a0\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u30d8\u30c3\u30c0\u3092\u4f75\u7528\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3059\u308b\u3002 <strong>\u30b3\u30f3\u30c6\u30f3\u30c4\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u30dd\u30ea\u30b7\u30fc<\/strong> \u6216\u3044\u306f <strong>X-\u30d5\u30ec\u30fc\u30e0\u30aa\u30d7\u30b7\u30e7\u30f3<\/strong>.HSTS\u304c\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4fdd\u8b77\u3059\u308b\u4e00\u65b9\u3067\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u30dd\u30ea\u30b7\u30fc\u306f\u3001\u3069\u306e\u5916\u90e8\u30ea\u30bd\u30fc\u30b9\u304c\u30ed\u30fc\u30c9\u3055\u308c\u308b\u304b\u3092\u5236\u5fa1\u3059\u308b\u3002\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30fb\u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0\u3084\u30b3\u30fc\u30c9\u30fb\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306e\u53ef\u80fd\u6027\u304c\u3088\u308a\u56f0\u96e3\u306b\u306a\u308b\u305f\u3081\u3067\u3059\u3002\u5fb9\u5e95\u3057\u305f\u8a08\u753b\u306b\u3088\u308a\u3001\u88dc\u5b8c\u7684\u306a\u4fdd\u8b77\u5bfe\u7b56\u304c\u4fdd\u8a3c\u3055\u308c\u308b\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/07\/entwickler-arbeitsplatz-7523.webp\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<p>\u307e\u305f\u3001\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u3092\u4f7f\u3063\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u304c\u3044\u308b\u3053\u3068\u3082\u5ff5\u982d\u306b\u7f6e\u304f\u3079\u304d\u3067\u3059\u3002\u4eca\u65e5\u3067\u306f\u3053\u306e\u3088\u3046\u306a\u30b1\u30fc\u30b9\u306f\u7a00\u3067\u3059\u304c\u3001\u975e\u5e38\u306b\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u8a2a\u554f\u8005\u304b\u3089\u82e6\u60c5\u304c\u3042\u3063\u305f\u5834\u5408\u306f\u3001\u7c21\u5358\u306a\u6ce8\u610f\u66f8\u304d\u3084FAQ\u3092\u63d0\u4f9b\u3059\u308b\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002\u500b\u3005\u306e\u30b1\u30fc\u30b9\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u30d6\u30e9\u30a6\u30b6\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u4fc3\u3059\u5225\u306e\u30da\u30fc\u30b8\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3082\u691c\u8a0e\u3067\u304d\u307e\u3059-\u3082\u3061\u308d\u3093\u3001\u3053\u308c\u306f\u53b3\u683c\u306aHSTS\u8a2d\u5b9a\u3068\u77db\u76fe\u3059\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3002\u3082\u3061\u308d\u3093\u3001\u3053\u308c\u306f\u53b3\u683c\u306aHSTS\u306e\u8a2d\u5b9a\u3068\u77db\u76fe\u3059\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3002\u3057\u304b\u3057\u5b9f\u969b\u306b\u306f\u3001\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30d6\u30e9\u30a6\u30b6\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u306b\u30e6\u30fc\u30b6\u30fc\u3092\u52d5\u6a5f\u4ed8\u3051\u308b\u3053\u3068\u306f\u3001\u4ed6\u306e\u5206\u91ce\uff08\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ae\u30e3\u30c3\u30d7\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\uff09\u3067\u3082\u6709\u76ca\u3067\u3042\u308b\u305f\u3081\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u305f\u3081\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n<h2>\u5c55\u958b\u5f8c\u306e\u6b63\u3057\u3044\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/h2>\n<p>HSTS\u3092\u6709\u52b9\u306b\u3057\u305f\u5f8c\u3001\u79c1\u306f\u5b9a\u671f\u7684\u306b\u69d8\u3005\u306a\u3053\u3068\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002\u30d8\u30c3\u30c0\u30fc\u306f\u6b63\u3057\u304f\u914d\u4fe1\u3055\u308c\u3066\u3044\u308b\u304b\uff1f\u30ed\u30b0\u306bTLS\u30a8\u30e9\u30fc\u3084\u5f37\u3044\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5909\u52d5\u304c\u8a18\u9332\u3055\u308c\u3066\u3044\u306a\u3044\u304b\uff1fcURL\u3001Qualys SSL Labs\u3001\u307e\u305f\u306f\u30d6\u30e9\u30a6\u30b6\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306a\u3069\u306e\u30c4\u30fc\u30eb\u304c\u3001\u3053\u306e\u30c1\u30a7\u30c3\u30af\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u6ce8\u610f\u6df1\u304f\u89b3\u5bdf\u3059\u308b\u3053\u3068\u3067\u3001\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3092\u7d20\u65e9\u304f\u898b\u3064\u3051\u305f\u308a\u3001\u7279\u5b9a\u306e\u30af\u30ed\u30fc\u30e9\u30fc\u3084\u30dc\u30c3\u30c8\u306b\u554f\u984c\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u8a8d\u8b58\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n<p>\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001Firefox\u306e \"About:config 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