{"id":476973,"date":"2023-08-09T09:06:01","date_gmt":"2023-08-09T09:06:01","guid":{"rendered":""},"modified":"2023-09-05T11:13:46","modified_gmt":"2023-09-05T11:13:46","slug":"domain-name-system-security-extensions-dnssec","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/domain-name-system-security-extensions-dnssec\/","title":{"rendered":"\u30c9\u30e1\u30a4\u30f3\u30cd\u30fc\u30e0\u30b7\u30b9\u30c6\u30e0\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u62e1\u5f35 (DNSSEC)"},"content":{"rendered":"<p>\u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0 \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u62e1\u5f35\u6a5f\u80fd (DNSSEC) \u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5c64\u3092\u8ffd\u52a0\u3059\u308b\u3001\u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0 (DNS) \u306e\u6697\u53f7\u5316\u62e1\u5f35\u6a5f\u80fd\u30b9\u30a4\u30fc\u30c8\u3067\u3059\u3002DNSSEC \u306f\u3001DNS \u30c7\u30fc\u30bf\u306e\u4fe1\u983c\u6027\u3068\u6574\u5408\u6027\u3092\u78ba\u4fdd\u3057\u3001DNS \u30ad\u30e3\u30c3\u30b7\u30e5 \u30dd\u30a4\u30ba\u30cb\u30f3\u30b0\u3084\u4e2d\u9593\u8005\u653b\u6483\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u30bf\u30a4\u30d7\u306e\u653b\u6483\u3092\u9632\u6b62\u3057\u307e\u3059\u3002DNSSEC \u306f\u3001DNS \u30c7\u30fc\u30bf\u306b\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u30a8\u30f3\u30c9 \u30e6\u30fc\u30b6\u30fc\u304c DNS \u5fdc\u7b54\u306e\u6b63\u5f53\u6027\u3092\u691c\u8a3c\u3057\u3001\u6b63\u3057\u3044 Web \u30b5\u30a4\u30c8\u307e\u305f\u306f\u30b5\u30fc\u30d3\u30b9\u306b\u8a98\u5c0e\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0 \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u62e1\u5f35\u6a5f\u80fd (DNSSEC) \u306e\u8d77\u6e90\u306e\u6b74\u53f2<\/h2>\n<p>DNSSEC \u306e\u6982\u5ff5\u306f\u3001DNS \u306e\u8106\u5f31\u6027\u306b\u5bfe\u3059\u308b\u61f8\u5ff5\u306e\u9ad8\u307e\u308a\u3092\u53d7\u3051\u3066\u30011990 \u5e74\u4ee3\u521d\u982d\u306b\u521d\u3081\u3066\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002DNSSEC \u304c\u521d\u3081\u3066\u8a00\u53ca\u3055\u308c\u305f\u306e\u306f\u3001DNS \u306e\u767a\u660e\u8005\u3067\u3042\u308b Paul V. Mockapetris \u6c0f\u3068 Phill Gross \u6c0f\u306e\u7814\u7a76\u306b\u9061\u308a\u307e\u3059\u30022 \u4eba\u306f 1997 \u5e74\u306b RFC 2065 \u3067\u3001DNS \u306b\u6697\u53f7\u5316\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u8ffd\u52a0\u3059\u308b\u3068\u3044\u3046\u30a2\u30a4\u30c7\u30a2\u3092\u8aac\u660e\u3057\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u3055\u307e\u3056\u307e\u306a\u6280\u8853\u7684\u304a\u3088\u3073\u904b\u7528\u4e0a\u306e\u8ab2\u984c\u306b\u3088\u308a\u3001DNSSEC \u304c\u5e83\u304f\u63a1\u7528\u3055\u308c\u308b\u307e\u3067\u306b\u306f\u6570\u5e74\u304b\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<h2>\u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0 \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u62e1\u5f35 (DNSSEC) \u306b\u95a2\u3059\u308b\u8a73\u7d30\u60c5\u5831<\/h2>\n<p>DNSSEC \u306f\u3001\u968e\u5c64\u7684\u306a\u4fe1\u983c\u30c1\u30a7\u30fc\u30f3\u3092\u4f7f\u7528\u3057\u3066 DNS \u30c7\u30fc\u30bf\u3092\u8a8d\u8a3c\u3059\u308b\u3053\u3068\u3067\u6a5f\u80fd\u3057\u307e\u3059\u3002\u30c9\u30e1\u30a4\u30f3\u540d\u304c\u767b\u9332\u3055\u308c\u308b\u3068\u3001\u30c9\u30e1\u30a4\u30f3\u6240\u6709\u8005\u306f\u6697\u53f7\u5316\u30ad\u30fc\u306e\u30da\u30a2 (\u79d8\u5bc6\u30ad\u30fc\u3068\u5bfe\u5fdc\u3059\u308b\u516c\u958b\u30ad\u30fc) \u3092\u751f\u6210\u3057\u307e\u3059\u3002\u79d8\u5bc6\u30ad\u30fc\u306f\u79d8\u5bc6\u306b\u4fdd\u6301\u3055\u308c\u3001DNS \u30ec\u30b3\u30fc\u30c9\u306e\u7f72\u540d\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u4e00\u65b9\u3001\u516c\u958b\u30ad\u30fc\u306f\u30c9\u30e1\u30a4\u30f3\u306e DNS \u30be\u30fc\u30f3\u3067\u516c\u958b\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>DNS \u30ea\u30be\u30eb\u30d0\u306f\u3001DNSSEC \u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b DNS \u5fdc\u7b54\u3092\u53d7\u4fe1\u3059\u308b\u3068\u3001\u5bfe\u5fdc\u3059\u308b\u516c\u958b\u30ad\u30fc\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3053\u3068\u3067\u3001\u5fdc\u7b54\u306e\u4fe1\u983c\u6027\u3092\u691c\u8a3c\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30ea\u30be\u30eb\u30d0\u306f\u30eb\u30fc\u30c8 \u30be\u30fc\u30f3\u304b\u3089\u7279\u5b9a\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u81f3\u308b\u307e\u3067\u306e\u4fe1\u983c\u30c1\u30a7\u30fc\u30f3\u5168\u4f53\u3092\u691c\u8a3c\u3057\u3001\u968e\u5c64\u306e\u5404\u30b9\u30c6\u30c3\u30d7\u304c\u9069\u5207\u306b\u7f72\u540d\u3055\u308c\u3001\u6709\u52b9\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0 \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u62e1\u5f35 (DNSSEC) \u306e\u5185\u90e8\u69cb\u9020<\/h2>\n<p>DNSSEC \u306f\u3001DNS \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306b\u3044\u304f\u3064\u304b\u306e\u65b0\u3057\u3044 DNS \u30ec\u30b3\u30fc\u30c9 \u30bf\u30a4\u30d7\u3092\u5c0e\u5165\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>DNSKEY (DNS\u516c\u958b\u9375)<\/strong>: DNSSEC \u7f72\u540d\u306e\u691c\u8a3c\u306b\u4f7f\u7528\u3055\u308c\u308b\u516c\u958b\u9375\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>RRSIG (\u30ea\u30bd\u30fc\u30b9 \u30ec\u30b3\u30fc\u30c9\u7f72\u540d)<\/strong>: \u7279\u5b9a\u306e DNS \u30ea\u30bd\u30fc\u30b9 \u30ec\u30b3\u30fc\u30c9 \u30bb\u30c3\u30c8\u306e\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>DS (\u59d4\u4efb\u7f72\u540d\u8005)<\/strong>: \u89aa\u30be\u30fc\u30f3\u3068\u5b50\u30be\u30fc\u30f3\u9593\u306e\u4fe1\u983c\u30c1\u30a7\u30fc\u30f3\u3092\u78ba\u7acb\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>NSEC (\u30cd\u30af\u30b9\u30c8\u30bb\u30ad\u30e5\u30a2)<\/strong>: DNS \u30ec\u30b3\u30fc\u30c9\u306e\u5b58\u5728\u306e\u8a8d\u8a3c\u62d2\u5426\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>NSEC3 (\u6b21\u4e16\u4ee3\u30bb\u30ad\u30e5\u30a2\u30d0\u30fc\u30b8\u30e7\u30f33)<\/strong>: \u30be\u30fc\u30f3\u5217\u6319\u653b\u6483\u3092\u9632\u3050 NSEC \u306e\u62e1\u5f35\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/p>\n<\/li>\n<li>\n<p><strong>DLV (DNSSEC \u30eb\u30c3\u30af\u30a2\u30b5\u30a4\u30c9\u691c\u8a3c)<\/strong>: DNSSEC \u5c0e\u5165\u306e\u521d\u671f\u6bb5\u968e\u3067\u4e00\u6642\u7684\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0 \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u62e1\u5f35\u6a5f\u80fd (DNSSEC) \u306e\u4e3b\u306a\u6a5f\u80fd\u306e\u5206\u6790<\/h2>\n<p>DNSSEC \u306e\u4e3b\u306a\u6a5f\u80fd\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30c7\u30fc\u30bf\u767a\u4fe1\u5143\u8a8d\u8a3c<\/strong>DNSSEC \u306f\u3001DNS \u5fdc\u7b54\u304c\u6b63\u5f53\u306a\u30bd\u30fc\u30b9\u304b\u3089\u9001\u4fe1\u3055\u308c\u3001\u9001\u4fe1\u4e2d\u306b\u5909\u66f4\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027<\/strong>DNSSEC \u306f\u3001DNS \u30ad\u30e3\u30c3\u30b7\u30e5 \u30dd\u30a4\u30ba\u30cb\u30f3\u30b0\u3084\u305d\u306e\u4ed6\u306e\u5f62\u5f0f\u306e\u30c7\u30fc\u30bf\u64cd\u4f5c\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8a8d\u8a3c\u3055\u308c\u305f\u5b58\u5728\u5426\u5b9a<\/strong>DNSSEC \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001DNS \u30ea\u30be\u30eb\u30d0\u30fc\u306f\u7279\u5b9a\u306e\u30c9\u30e1\u30a4\u30f3\u307e\u305f\u306f\u30ec\u30b3\u30fc\u30c9\u304c\u5b58\u5728\u3057\u306a\u3044\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u968e\u5c64\u7684\u4fe1\u983c\u30e2\u30c7\u30eb<\/strong>DNSSEC \u306e\u4fe1\u983c\u30c1\u30a7\u30fc\u30f3\u306f\u65e2\u5b58\u306e DNS \u968e\u5c64\u306b\u57fa\u3065\u3044\u3066\u69cb\u7bc9\u3055\u308c\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5426\u8a8d\u9632\u6b62<\/strong>DNSSEC \u7f72\u540d\u306f\u3001\u7279\u5b9a\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u304c DNS \u30c7\u30fc\u30bf\u306b\u7f72\u540d\u3057\u305f\u3053\u3068\u3092\u8a3c\u660e\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0 \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u62e1\u5f35 (DNSSEC) \u306e\u7a2e\u985e<\/h2>\n<p>DNSSEC \u306f\u3001\u6697\u53f7\u9375\u3068\u7f72\u540d\u3092\u751f\u6210\u3059\u308b\u305f\u3081\u306e\u3055\u307e\u3056\u307e\u306a\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u6700\u3082\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>RSA<\/td>\n<td>\u30ea\u30d9\u30b9\u30c8\u30fb\u30b7\u30e3\u30df\u30a2\u30fb\u30a2\u30c7\u30eb\u30de\u30f3\u6697\u53f7<\/td>\n<\/tr>\n<tr>\n<td>DSA<\/td>\n<td>\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0<\/td>\n<\/tr>\n<tr>\n<td>ECC<\/td>\n<td>\u6955\u5186\u66f2\u7dda\u6697\u53f7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30c9\u30e1\u30a4\u30f3\u30cd\u30fc\u30e0\u30b7\u30b9\u30c6\u30e0\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u62e1\u5f35 (DNSSEC) \u306e\u4f7f\u7528\u65b9\u6cd5\u3001\u554f\u984c\u3001\u304a\u3088\u3073\u89e3\u6c7a\u7b56<\/h2>\n<h3>DNSSEC \u306e\u4f7f\u7528\u65b9\u6cd5:<\/h3>\n<ol>\n<li>\n<p><strong>DNSSEC\u7f72\u540d<\/strong>: \u30c9\u30e1\u30a4\u30f3\u6240\u6709\u8005\u306f\u3001\u6697\u53f7\u5316\u30ad\u30fc\u3092\u4f7f\u7528\u3057\u3066 DNS \u30ec\u30b3\u30fc\u30c9\u306b\u7f72\u540d\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u30c9\u30e1\u30a4\u30f3\u306b\u5bfe\u3057\u3066 DNSSEC \u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>DNS \u30ea\u30be\u30eb\u30d0\u306e\u30b5\u30dd\u30fc\u30c8<\/strong>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc (ISP) \u3068 DNS \u30ea\u30be\u30eb\u30d0\u30fc\u306f\u3001\u7f72\u540d\u3055\u308c\u305f DNS \u5fdc\u7b54\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306b DNSSEC \u691c\u8a3c\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h3>\u554f\u984c\u3068\u89e3\u6c7a\u7b56:<\/h3>\n<ol>\n<li>\n<p><strong>\u30be\u30fc\u30f3\u7f72\u540d\u30ad\u30fc\u306e\u30ed\u30fc\u30eb\u30aa\u30fc\u30d0\u30fc<\/strong>: DNS \u30ec\u30b3\u30fc\u30c9\u306e\u7f72\u540d\u306b\u4f7f\u7528\u3055\u308c\u308b\u79d8\u5bc6\u30ad\u30fc\u3092\u5909\u66f4\u3059\u308b\u5834\u5408\u306f\u3001\u30ad\u30fc\u306e\u30ed\u30fc\u30eb\u30aa\u30fc\u30d0\u30fc\u4e2d\u306b\u30b5\u30fc\u30d3\u30b9\u304c\u4e2d\u65ad\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u614e\u91cd\u306b\u8a08\u753b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4fe1\u983c\u306e\u9023\u9396<\/strong>: \u30eb\u30fc\u30c8 \u30be\u30fc\u30f3\u304b\u3089\u30c9\u30e1\u30a4\u30f3\u307e\u3067\u306e\u4fe1\u983c\u30c1\u30a7\u30fc\u30f3\u5168\u4f53\u304c\u6b63\u3057\u304f\u7f72\u540d\u3055\u308c\u3001\u691c\u8a3c\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u306e\u306f\u96e3\u3057\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>DNSSEC\u306e\u5c0e\u5165<\/strong>: DNSSEC \u306e\u5c0e\u5165\u306f\u3001\u5b9f\u88c5\u306e\u8907\u96d1\u3055\u3068\u53e4\u3044\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u6f5c\u5728\u7684\u306a\u4e92\u63db\u6027\u306e\u554f\u984c\u306e\u305f\u3081\u3001\u6bb5\u968e\u7684\u306b\u9032\u3093\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u4e3b\u306a\u7279\u5fb4\u3068\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u5b66\u671f<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>DNSSEC<\/td>\n<td>DNS\u306b\u6697\u53f7\u5316\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u63d0\u4f9b\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td>DNS\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/td>\n<td>DNS \u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306e\u4e00\u822c\u7684\u306a\u7528\u8a9e<\/td>\n<\/tr>\n<tr>\n<td>DNS\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/td>\n<td>\u7279\u5b9a\u306e\u30c9\u30e1\u30a4\u30f3\u307e\u305f\u306f\u30b3\u30f3\u30c6\u30f3\u30c4\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td>DNS \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/td>\n<td>DNS\u30d9\u30fc\u30b9\u306e\u653b\u6483\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059<\/td>\n<\/tr>\n<tr>\n<td>DNS over HTTPS (DoH)<\/td>\n<td>HTTPS\u7d4c\u7531\u3067DNS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6697\u53f7\u5316\u3057\u307e\u3059<\/td>\n<\/tr>\n<tr>\n<td>DNS over TLS (DoT)<\/td>\n<td>TLS\u7d4c\u7531\u3067DNS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6697\u53f7\u5316\u3057\u307e\u3059<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>DNSSEC\u306b\u95a2\u3059\u308b\u4eca\u5f8c\u306e\u5c55\u671b\u3068\u6280\u8853<\/h2>\n<p>DNSSEC \u306f\u3001\u65b0\u305f\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u8ab2\u984c\u306b\u5bfe\u51e6\u3057\u3001\u5b9f\u88c5\u3092\u6539\u5584\u3059\u308b\u305f\u3081\u306b\u7d99\u7d9a\u7684\u306b\u9032\u5316\u3057\u3066\u3044\u307e\u3059\u3002DNSSEC \u306b\u95a2\u9023\u3059\u308b\u5c06\u6765\u306e\u5c55\u671b\u3068\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>DNSSEC\u81ea\u52d5\u5316<\/strong>: DNSSEC \u30ad\u30fc\u7ba1\u7406\u30d7\u30ed\u30bb\u30b9\u3092\u5408\u7406\u5316\u3057\u3066\u3001\u5c0e\u5165\u3092\u3088\u308a\u7c21\u5358\u306b\u3001\u3088\u308a\u30a2\u30af\u30bb\u30b9\u3057\u3084\u3059\u304f\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30dd\u30b9\u30c8\u91cf\u5b50\u6697\u53f7<\/strong>\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u653b\u6483\u306b\u8010\u6027\u306e\u3042\u308b\u65b0\u3057\u3044\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u8abf\u67fb\u3068\u63a1\u7528\u3002<\/p>\n<\/li>\n<li>\n<p><strong>DNS over HTTPS (DoH) \u3068 DNS over TLS (DoT)<\/strong>: DNSSEC \u3092 DoH \u304a\u3088\u3073 DoT \u3068\u7d71\u5408\u3057\u3066\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u5f37\u5316\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u3092DNSSEC\u3067\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u307e\u305f\u306fDNSSEC\u3068\u95a2\u9023\u4ed8\u3051\u308b\u65b9\u6cd5<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f DNSSEC \u306e\u5b9f\u88c5\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306b\u306f\u6b21\u306e\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0<\/strong>: \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f DNS \u5fdc\u7b54\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u304d\u308b\u305f\u3081\u3001DNS \u30ea\u30be\u30eb\u30d0\u30fc\u306e\u8ca0\u8377\u304c\u8efd\u6e1b\u3055\u308c\u3001\u5fdc\u7b54\u6642\u9593\u304c\u77ed\u7e2e\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>DNSSEC \u691c\u8a3c<\/strong>: \u30d7\u30ed\u30ad\u30b7\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u4ee3\u308f\u3063\u3066 DNSSEC \u691c\u8a3c\u3092\u5b9f\u884c\u3057\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5c64\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong>: DNS \u30af\u30a8\u30ea\u3092\u30d7\u30ed\u30ad\u30b7\u7d4c\u7531\u3067\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u6f5c\u5728\u7684\u306a\u76d7\u8074\u3084 DNS \u64cd\u4f5c\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>\u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0 \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u62e1\u5f35\u6a5f\u80fd (DNSSEC) \u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ol>\n<li><a href=\"https:\/\/datatracker.ietf.org\/wg\/dnssec\/\" target=\"_new\" rel=\"noopener nofollow\">\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u6280\u8853\u30bf\u30b9\u30af\u30d5\u30a9\u30fc\u30b9 (IETF) DNSSEC \u30ef\u30fc\u30ad\u30f3\u30b0\u30b0\u30eb\u30fc\u30d7<\/a><\/li>\n<li><a href=\"https:\/\/dnssec.net\/\" target=\"_new\" rel=\"noopener nofollow\">\u7ffb\u8a33<\/a><\/li>\n<li><a href=\"https:\/\/www.internetsociety.org\/issues\/dnssec-deployment-initiative\/\" target=\"_new\" rel=\"noopener nofollow\">\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5354\u4f1a (ISOC) DNSSEC \u5c0e\u5165\u30a4\u30cb\u30b7\u30a2\u30c1\u30d6<\/a><\/li>\n<\/ol>","protected":false},"featured_media":468260,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476973","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Domain Name System Security Extensions (DNSSEC)<\/mark>","faq_items":[{"question":"What is Domain Name System Security Extensions (DNSSEC)?","answer":"<p>Domain Name System Security Extensions (DNSSEC) is a suite of cryptographic extensions that adds an extra layer of security to the Domain Name System (DNS). It ensures the authenticity and integrity of DNS data, protecting users from various cyber threats like DNS cache poisoning and man-in-the-middle attacks.<\/p>"},{"question":"How did DNSSEC originate, and when was it first mentioned?","answer":"<p>DNSSEC was first introduced in the early 1990s as a response to the growing concerns about the vulnerabilities of DNS. The first mention of DNSSEC can be traced back to RFC 2065 in 1997, authored by Paul V. Mockapetris and Phill Gross, who proposed the idea of adding cryptographic security to DNS.<\/p>"},{"question":"How does DNSSEC work internally?","answer":"<p>DNSSEC uses digital signatures and a hierarchical chain of trust to authenticate DNS data. Domain owners generate cryptographic key pairs - a private key for signing DNS records and a corresponding public key published in the DNS zone. When a DNS resolver receives a DNS response with DNSSEC, it verifies the digital signature using the public key to ensure the data's authenticity and validity.<\/p>"},{"question":"What are the key features of DNSSEC?","answer":"<p>The key features of DNSSEC include data origin authentication, data integrity, authenticated denial of existence, a hierarchical trust model, and non-repudiation. These features collectively enhance the security of DNS and protect users from various DNS-related attacks.<\/p>"},{"question":"What types of DNSSEC exist?","answer":"<p>DNSSEC supports different cryptographic algorithms for generating keys and signatures, including RSA, DSA, and ECC. These algorithms provide different levels of security, and their usage depends on the specific needs and preferences of domain owners.<\/p>"},{"question":"How can DNSSEC be used, and what are the associated problems and solutions?","answer":"<p>DNSSEC can be used by domain owners to sign their DNS records and by DNS resolvers to validate the authenticity of DNS responses. However, some challenges include zone signing key rollover, ensuring the chain of trust is correctly signed, and the gradual adoption due to complexity and compatibility issues.<\/p>"},{"question":"What are the main characteristics of DNSSEC compared to similar terms?","answer":"<p>DNSSEC is a specific set of cryptographic extensions for DNS security. It should not be confused with general DNS security, DNS filtering, DNS firewall, or DNS over HTTPS (DoH) and DNS over TLS (DoT). Each term serves a different purpose in securing the DNS infrastructure.<\/p>"},{"question":"What are the future perspectives and technologies related to DNSSEC?","answer":"<p>The future of DNSSEC includes automation for easier deployment, exploration of post-quantum cryptography, and integration with DNS over HTTPS (DoH) and DNS over TLS (DoT) for enhanced security and privacy.<\/p>"},{"question":"How can proxy servers be associated with DNSSEC?","answer":"<p>Proxy servers can enhance DNSSEC implementation by caching DNS responses, performing DNSSEC validation on behalf of clients, and adding an extra layer of privacy and security to users' internet connections.<\/p>"},{"question":"Where can I find more information about DNSSEC?","answer":"<p>For more information about DNSSEC, you can visit the Internet Engineering Task Force (IETF) DNSSEC Working Group, DNSSEC.net, and the Internet Society (ISOC) DNSSEC Deployment Initiative.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476973","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476973\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/468260"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=476973"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}