{"id":5942,"date":"2025-09-24T13:33:35","date_gmt":"2025-09-24T04:33:35","guid":{"rendered":"https:\/\/sky-peace.net\/?p=5942"},"modified":"2025-09-24T13:33:35","modified_gmt":"2025-09-24T04:33:35","slug":"nw-sp-9","status":"publish","type":"post","link":"https:\/\/sky-peace.net\/certified\/nw-sp-9\/","title":{"rendered":"\u3010NW\u8a66\u9a13 \u5348\u5f8c\u5bfe\u7b56\u3011IEEE 802.1X, WPA2, WAF\u2026 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6280\u8853\u3092\u6df1\u6398\u308a\uff01"},"content":{"rendered":"<p>\u3053\u308c\u307e\u3067\u306e\u8a18\u4e8b\u3067\u5b66\u3093\u3060\u6280\u8853\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u300c\u63a5\u7d9a\u6027\u300d\u300c\u53ef\u7528\u6027\u300d\u300c\u52b9\u7387\u6027\u300d\u3092\u652f\u3048\u308b\u3082\u306e\u3067\u3057\u305f\u3002\u4eca\u56de\u306e\u30c6\u30fc\u30de\u306f\u3001\u305d\u308c\u3089\u5168\u3066\u3092\u571f\u53f0\u3068\u3057\u3001\u5b89\u5168\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306e\u300c<strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5fdc\u7528\u6280\u8853<\/strong>\u300d\u3067\u3059\u3002<\/p>\n<p>\u4e0d\u6b63\u306a\u63a5\u7d9a\u3092\u9632\u3050<strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a8d\u8a3c\uff08IEEE 802.1X\uff09<\/strong>\u3001\u7121\u7ddaLAN\u306e\u901a\u4fe1\u3092\u4fdd\u8b77\u3059\u308b<strong>\u6697\u53f7\u5316\uff08WPA2\/WPA3\uff09<\/strong>\u3001Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u72d9\u3063\u305f\u653b\u6483\u304b\u3089\u5b88\u308b<strong>\u9632\u5fa1\u58c1\uff08WAF\uff09<\/strong>\u306a\u3069\u3001\u73fe\u4ee3\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u4e0d\u53ef\u6b20\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u4ed5\u7d44\u307f\u3092\u89e3\u304d\u660e\u304b\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u6280\u8853\u304c\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u3069\u306e\u90e8\u5206\u3092\u3001\u3069\u306e\u3088\u3046\u306a\u8105\u5a01\u304b\u3089\u5b88\u3063\u3066\u3044\u308b\u306e\u304b\u3092\u6b63\u78ba\u306b\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<hr>\n<h2>1. \u3010IEEE 802.1X\u3011\u4e0d\u6b63\u63a5\u7d9a\u3092\u8a31\u3055\u306a\u3044\u30dd\u30fc\u30c8\u30d9\u30fc\u30b9\u8a8d\u8a3c<\/h2>\n<p>\u30aa\u30d5\u30a3\u30b9\u306e\u7a7a\u3044\u3066\u3044\u308bLAN\u30dd\u30fc\u30c8\u306b\u500b\u4eba\u306ePC\u3092\u63a5\u7d9a\u3059\u308b\u3060\u3051\u3067\u3001\u793e\u5185\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u3066\u3057\u307e\u3046\u2026\u305d\u3093\u306a\u72b6\u6cc1\u306f\u5927\u304d\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u3067\u3059\u3002<strong>IEEE 802.1X<\/strong>\u306f\u3001LAN\u306b\u63a5\u7d9a\u3057\u3088\u3046\u3068\u3059\u308b\u7aef\u672b\u304c\u6b63\u5f53\u306a\u5229\u7528\u8005\u3067\u3042\u308b\u304b\u3092<strong>\u8a8d\u8a3c<\/strong>\u3057\u3001\u8a31\u53ef\u3055\u308c\u305f\u7aef\u672b\u306e\u307f\u901a\u4fe1\u3092\u8a31\u53ef\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u8a8d\u8a3c\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u3001\u305d\u306e\u30dd\u30fc\u30c8\u3067\u306f\u8a8d\u8a3c\u4ee5\u5916\u306e\u901a\u4fe1\u306f\u4e00\u5207\u30d6\u30ed\u30c3\u30af\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3>802.1X\u8a8d\u8a3c\u306e\u767b\u5834\u4eba\u7269<\/h3>\n<p>802.1X\u8a8d\u8a3c\u306f\u3001\u4ee5\u4e0b\u306e3\u3064\u306e\u8981\u7d20\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30b5\u30d7\u30ea\u30ab\u30f3\u30c8<\/strong>: \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3078\u306e\u63a5\u7d9a\u3092\u8981\u6c42\u3059\u308b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u7aef\u672b\uff08PC\u3084\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306a\u3069\uff09\u3002\u8a8d\u8a3c\u60c5\u5831\uff08ID\/\u30d1\u30b9\u30ef\u30fc\u30c9\u3084\u8a3c\u660e\u66f8\uff09\u3092\u63d0\u793a\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30aa\u30fc\u30bb\u30f3\u30c6\u30a3\u30b1\u30fc\u30bf<\/strong>: \u8a8d\u8a3c\u3092\u4ef2\u4ecb\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\uff08\u7121\u7ddaLAN\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u3084\u30b9\u30a4\u30c3\u30c1\u306a\u3069\uff09\u3002\u30b5\u30d7\u30ea\u30ab\u30f3\u30c8\u3068\u8a8d\u8a3c\u30b5\u30fc\u30d0\u306e\u9593\u3067\u8a8d\u8a3c\u60c5\u5831\u3092\u4e2d\u7d99\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u8a8d\u8a3c\u30b5\u30fc\u30d0<\/strong>: \u5b9f\u969b\u306b\u8a8d\u8a3c\u3092\u884c\u3044\u3001\u63a5\u7d9a\u306e\u53ef\u5426\u3092\u5224\u65ad\u3059\u308b\u30b5\u30fc\u30d0\u3002\u4e00\u822c\u7684\u306b<strong>RADIUS\u30b5\u30fc\u30d0<\/strong>\u304c\u3053\u306e\u5f79\u5272\u3092\u62c5\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>\u5b66\u7fd2\u306e\u30dd\u30a4\u30f3\u30c8\uff1aEAP (Extensible Authentication Protocol)<\/h3>\n<p>\u30b5\u30d7\u30ea\u30ab\u30f3\u30c8\u3068\u8a8d\u8a3c\u30b5\u30fc\u30d0\u304c\u3001\u30aa\u30fc\u30bb\u30f3\u30c6\u30a3\u30b1\u30fc\u30bf\u3092\u4ecb\u3057\u3066\u8a8d\u8a3c\u60c5\u5831\u3092\u3084\u308a\u53d6\u308a\u3059\u308b\u969b\u306b\u4f7f\u308f\u308c\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u304c<strong>EAP<\/strong>\u3067\u3059\u3002EAP\u306f\u69d8\u3005\u306a\u8a8d\u8a3c\u65b9\u5f0f\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u67d4\u8edf\u306a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3042\u308a\u3001ID\/\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u4f7f\u3046<strong>EAP-PEAP<\/strong>\u3084\u3001\u96fb\u5b50\u8a3c\u660e\u66f8\u3092\u4f7f\u3046<strong>EAP-TLS<\/strong>\u306a\u3069\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8981\u4ef6\u306b\u5fdc\u3058\u305f\u65b9\u5f0f\u304c\u5229\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<hr>\n<h2>2. \u3010WPA2\/WPA3\u3011\u7121\u7ddaLAN\u306e\u901a\u4fe1\u3092\u5b88\u308b\u6697\u53f7\u5316\u6280\u8853<\/h2>\n<p>\u7121\u7ddaLAN\uff08Wi-Fi\uff09\u306e\u96fb\u6ce2\u306f\u3001\u6709\u7ddaLAN\u3068\u306f\u7570\u306a\u308a\u5e83\u7bc4\u56f2\u306b\u5c4a\u304f\u305f\u3081\u3001\u901a\u4fe1\u5185\u5bb9\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306e<strong>\u6697\u53f7\u5316<\/strong>\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u305d\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u898f\u683c\u3068\u3057\u3066\u3001\u73fe\u5728\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u306e\u304c<strong>WPA2<\/strong>\u3067\u3042\u308a\u3001\u305d\u306e\u5f8c\u7d99\u304c<strong>WPA3<\/strong>\u3067\u3059\u3002<\/p>\n<h3>\u7121\u7ddaLAN\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5909\u9077<\/h3>\n<p>\u521d\u671f\u306e\u898f\u683c\u3067\u3042\u308b<strong>WEP<\/strong>\u306b\u306f\u3001\u6697\u53f7\u3092\u77ed\u6642\u9593\u3067\u89e3\u8aad\u3055\u308c\u3066\u3057\u307e\u3046\u81f4\u547d\u7684\u306a\u8106\u5f31\u6027\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u3053\u308c\u3092\u53d7\u3051\u3066\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5927\u5e45\u306b\u5f37\u5316\u3057\u305f<strong>WPA<\/strong>\u304c\u767b\u5834\u3057\u3001\u3055\u3089\u306b\u305d\u306e\u6539\u826f\u7248\u3068\u3057\u3066<strong>WPA2<\/strong>\u304c\u6a19\u6e96\u3068\u306a\u308a\u307e\u3057\u305f\u3002\u305d\u3057\u3066\u73fe\u5728\u3001\u3088\u308a\u5805\u7262\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b<strong>WPA3<\/strong>\u3078\u306e\u79fb\u884c\u304c\u9032\u3093\u3067\u3044\u307e\u3059\u3002<\/p>\n<h3>WPA2\u306e\u4ed5\u7d44\u307f<\/h3>\n<p>WPA2\u306f\u3001<strong>AES<\/strong>\u3068\u3044\u3046\u5f37\u529b\u306a\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u3001<strong>CCMP<\/strong>\u3068\u3044\u3046\u6539\u3056\u3093\u691c\u77e5\u306e\u4ed5\u7d44\u307f\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u901a\u4fe1\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002\u63a5\u7d9a\u65b9\u5f0f\u306b\u306f2\u7a2e\u985e\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>WPA2-PSK\uff08\u30d1\u30fc\u30bd\u30ca\u30eb\uff09<\/strong>: \u300c\u4e8b\u524d\u5171\u6709\u9375\uff08Pre-Shared Key\uff09\u300d\u3068\u547c\u3070\u308c\u308b\u5358\u4e00\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\uff08Wi-Fi\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\uff09\u3092\u3001\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u3068\u5168\u7aef\u672b\u3067\u5171\u6709\u3059\u308b\u65b9\u5f0f\u3067\u3059\u3002\u5bb6\u5ead\u3084\u5c0f\u898f\u6a21\u30aa\u30d5\u30a3\u30b9\u3067\u4e00\u822c\u7684\u306b\u5229\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><strong>WPA2-\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba<\/strong>: \u524d\u8ff0\u306e<strong>IEEE 802.1X\u8a8d\u8a3c<\/strong>\u3092\u5229\u7528\u3057\u3066\u3001\u5229\u7528\u8005\u3054\u3068\u306b\u7570\u306a\u308bID\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u3001\u3042\u308b\u3044\u306f\u8a3c\u660e\u66f8\u3067\u8a8d\u8a3c\u3092\u884c\u3044\u307e\u3059\u3002\u5927\u898f\u6a21\u306a\u7d44\u7e54\u3067\u306e\u5229\u7528\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>\u5b66\u7fd2\u306e\u30dd\u30a4\u30f3\u30c8\uff1aWPA3\u3067\u306e\u5f37\u5316\u70b9<\/h3>\n<p>WPA3\u3067\u306f\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u5358\u7d14\u306a\u3082\u306e\u3067\u3042\u3063\u3066\u3082\u76d7\u8074\u3055\u308c\u306b\u304f\u304f\u306a\u308b\u3001\u3088\u308a\u5b89\u5168\u306a\u9375\u4ea4\u63db\u65b9\u5f0f<strong>SAE\uff08Simultaneous Authentication of Equals\uff09<\/strong>\u304c\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u308c\u306b\u3088\u308a\u3001PSK\u30e2\u30fc\u30c9\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3057\u3066\u3044\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u30da\u30b7\u30e3\u30ea\u30b9\u30c8\u8a66\u9a13\u3067\u3082\u3001\u3053\u3046\u3057\u305f\u65b0\u3057\u3044\u898f\u683c\u306e\u6539\u5584\u70b9\u304c\u554f\u308f\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<hr>\n<h2>3. \u3010WAF\u3011Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4fdd\u8b77\u3059\u308b\u5c02\u9580\u306e\u58c1<\/h2>\n<p><strong>WAF\uff08Web Application Firewall\uff09<\/strong>\u306f\u3001\u305d\u306e\u540d\u306e\u901a\u308a<strong>Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong>\u306e\u4fdd\u8b77\u306b\u7279\u5316\u3057\u305f\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3067\u3059\u3002\u5f93\u6765\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u304cIP\u30a2\u30c9\u30ec\u30b9\u3084\u30dd\u30fc\u30c8\u756a\u53f7\u3067\u901a\u4fe1\u3092\u5236\u5fa1\u3059\u308b\u306e\u306b\u5bfe\u3057\u3001WAF\u306fHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u4e2d\u8eab\u3092\u8a73\u7d30\u306b\u691c\u67fb\u3057\u3001Web\u30b5\u30a4\u30c8\u3092\u72d9\u3063\u305f\u60aa\u610f\u306e\u3042\u308b\u653b\u6483\u3092\u691c\u77e5\u30fb\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\uff08FW\uff09\u3001IPS\u3068\u306e\u9055\u3044<\/h3>\n<p>WAF\u306e\u5f79\u5272\u3092\u7406\u89e3\u3059\u308b\u306b\u306f\u3001\u4ed6\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u5668\u3068\u306e\u9055\u3044\u3092\u660e\u78ba\u306b\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb (FW)<\/strong>: \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u7384\u95a2\u53e3\u3067\u3001<strong>\u9001\u4fe1\u5143\/\u5b9b\u5148IP\u30a2\u30c9\u30ec\u30b9<\/strong>\u3084<strong>\u30dd\u30fc\u30c8\u756a\u53f7<\/strong>\uff08L3\/L4\u60c5\u5831\uff09\u3092\u898b\u3066\u3001\u8a31\u53ef\u3055\u308c\u305f\u901a\u4fe1\u4ee5\u5916\u3092\u906e\u65ad\u3057\u307e\u3059\u3002\u4f8b\u3048\u308b\u306a\u3089\u300c\u5b9b\u5148\u3068\u5dee\u51fa\u4eba\u304c\u8a31\u53ef\u30ea\u30b9\u30c8\u306b\u3042\u308b\u304b\u300d\u3092\u898b\u308b\u9580\u756a\u3067\u3059\u3002<\/li>\n<li><strong>IPS (\u4e0d\u6b63\u4fb5\u5165\u9632\u6b62\u30b7\u30b9\u30c6\u30e0)<\/strong>: \u901a\u4fe1\u5185\u5bb9\u306e<strong>\u30d1\u30bf\u30fc\u30f3\uff08\u30b7\u30b0\u30cd\u30c1\u30e3\uff09<\/strong>\u3092\u691c\u67fb\u3057\u3001\u65e2\u77e5\u306e\u8106\u5f31\u6027\u3092\u72d9\u3063\u305f\u653b\u6483\u306a\u3069\u3092\u691c\u77e5\u30fb\u9632\u5fa1\u3057\u307e\u3059\u3002\u4f8b\u3048\u308b\u306a\u3089\u300c\u8377\u7269\uff08\u30d1\u30b1\u30c3\u30c8\uff09\u306e\u4e2d\u306b\u5371\u967a\u7269\u306e\u30d1\u30bf\u30fc\u30f3\u304c\u306a\u3044\u304b\u300d\u3092\u8abf\u3079\u308b\u8b66\u5099\u54e1\u3067\u3059\u3002<\/li>\n<li><strong>WAF<\/strong>: HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306e<strong>\u4e2d\u8eab\uff08\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u306e\u30c7\u30fc\u30bf\uff09<\/strong>\u3092\u8a73\u7d30\u306b\u89e3\u6790\u3057\u3001Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30ed\u30b8\u30c3\u30af\u3092\u60aa\u7528\u3059\u308b\u653b\u6483\u3092\u9632\u304e\u307e\u3059\u3002\u4f8b\u3048\u308b\u306a\u3089\u300c\u5c4a\u3051\u3089\u308c\u305f\u7533\u8acb\u66f8\uff08\u30ea\u30af\u30a8\u30b9\u30c8\uff09\u306e\u5185\u5bb9\u306b\u4e0d\u6b63\u306a\u8a18\u8ff0\u304c\u306a\u3044\u304b\u300d\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u53d7\u4ed8\u4fc2\u3067\u3059\u3002<\/li>\n<\/ul>\n<h3>WAF\u304c\u9632\u3050\u653b\u6483\u306e\u5177\u4f53\u4f8b<\/h3>\n<p>WAF\u306f\u3001\u7279\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u653b\u6483\u306e\u9632\u5fa1\u3092\u5f97\u610f\u3068\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u3001\u901a\u5e38\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3084IPS\u3067\u306f\u9632\u3050\u306e\u304c\u96e3\u3057\u3044\u653b\u6483\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3<\/strong>: \u4e0d\u6b63\u306aSQL\u6587\u3092\u6ce8\u5165\u3057\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u4e0d\u6b63\u306b\u64cd\u4f5c\u3059\u308b\u653b\u6483\u3002<\/li>\n<li><strong>\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0\uff08XSS\uff09<\/strong>: Web\u30da\u30fc\u30b8\u306b\u60aa\u610f\u306e\u3042\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u57cb\u3081\u8fbc\u307f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u5b9f\u884c\u3055\u305b\u308b\u653b\u6483\u3002<\/li>\n<li><strong>OS\u30b3\u30de\u30f3\u30c9\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3<\/strong>: Web\u30b5\u30fc\u30d0\u306eOS\u30b3\u30de\u30f3\u30c9\u3092\u4e0d\u6b63\u306b\u5b9f\u884c\u3055\u305b\u308b\u653b\u6483\u3002<\/li>\n<\/ul>\n<h3>\u5b66\u7fd2\u306e\u30dd\u30a4\u30f3\u30c8\uff1a\u8aa4\u691c\u77e5\u3068\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0<\/h3>\n<p>WAF\u306f\u975e\u5e38\u306b\u5f37\u529b\u3067\u3059\u304c\u3001\u6b63\u5e38\u306a\u901a\u4fe1\u3092\u8aa4\u3063\u3066\u653b\u6483\u3068\u5224\u65ad\u3057\u3066\u3057\u307e\u3046<strong>\u300c\u8aa4\u691c\u77e5\uff08\u30d5\u30a9\u30fc\u30eb\u30b9\u30dd\u30b8\u30c6\u30a3\u30d6\uff09\u300d<\/strong>\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u5c0e\u5165\u5f8c\u306fWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4ed5\u69d8\u306b\u5408\u308f\u305b\u3066\u9632\u5fa1\u30eb\u30fc\u30eb\u3092\u7d30\u304b\u304f\u8abf\u6574\uff08\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\uff09\u3057\u3001\u8aa4\u691c\u77e5\u3092\u6e1b\u3089\u3057\u3064\u3064\u3001\u672a\u77e5\u306e\u653b\u6483\u306b\u3082\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u304f\u904b\u7528\u304c\u91cd\u8981\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<hr>\n<h2>4. \u3010Kerberos\u8a8d\u8a3c\u3011\u30b7\u30f3\u30b0\u30eb\u30b5\u30a4\u30f3\u30aa\u30f3\u3092\u5b9f\u73fe\u3059\u308b\u53e4\u5178\u7684\u8a8d\u8a3c\u57fa\u76e4<\/h2>\n<p><strong>Kerberos\u8a8d\u8a3c<\/strong>\u306f\u3001\u4e00\u5ea6\u306e\u30ed\u30b0\u30a4\u30f3\u3067\u8907\u6570\u306e\u30b5\u30fc\u30d0\u30fc\u3084\u30b5\u30fc\u30d3\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u8a31\u53ef\u3059\u308b<strong>\u30b7\u30f3\u30b0\u30eb\u30b5\u30a4\u30f3\u30aa\u30f3\uff08SSO\uff09<\/strong>\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u3001\u53e4\u5178\u7684\u304b\u3064\u5f37\u529b\u306a\u8a8d\u8a3c\u65b9\u5f0f\u3067\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u306f\u6700\u521d\u306b\u8a8d\u8a3c\u3092\u53d7\u3051\u308b\u3060\u3051\u3067\u3001\u305d\u306e\u5f8c\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u518d\u5165\u529b\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u8a31\u53ef\u3055\u308c\u305f\u69d8\u3005\u306a\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>Kerberos\u8a8d\u8a3c\u306e\u76ee\u7684\u3068\u767b\u5834\u4eba\u7269<\/h3>\n<p>Kerberos\u306e\u6700\u5927\u306e\u7279\u5fb4\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306b<strong>\u30d1\u30b9\u30ef\u30fc\u30c9\u305d\u306e\u3082\u306e\u3092\u6d41\u3055\u306a\u3044<\/strong>\u70b9\u306b\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u5b89\u5168\u306a\u8a8d\u8a3c\u306f\u30013\u3064\u306e\u4e3b\u8981\u306a\u767b\u5834\u4eba\u7269\u306b\u3088\u3063\u3066\u5b9f\u73fe\u3055\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8<\/strong>: \u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3057\u305f\u3044\u30e6\u30fc\u30b6\u30fc\u3002<\/li>\n<li><strong>\u30b5\u30fc\u30d0\u30fc<\/strong>: \u30e6\u30fc\u30b6\u30fc\u304c\u5229\u7528\u3057\u305f\u3044\u30b5\u30fc\u30d3\u30b9\uff08\u30d5\u30a1\u30a4\u30eb\u30b5\u30fc\u30d0\u30fc\u306a\u3069\uff09\u3002<\/li>\n<li><strong>KDC (Key Distribution Center)<\/strong>: \u8a8d\u8a3c\u60c5\u5831\uff08\u30e6\u30fc\u30b6\u30fc\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u306a\u3069\uff09\u3092\u3059\u3079\u3066\u7ba1\u7406\u3057\u3001<strong>\u30c1\u30b1\u30c3\u30c8<\/strong>\u3092\u767a\u884c\u3059\u308b\u8a8d\u8a3c\u30b5\u30fc\u30d0\u30fc\u3002\u300c\u8a8d\u8a3c\u30b5\u30fc\u30d0\u30fc(AS)\u300d\u3068\u300c\u30c1\u30b1\u30c3\u30c8\u767a\u884c\u30b5\u30fc\u30d0\u30fc(TGS)\u300d\u306e2\u3064\u306e\u6a5f\u80fd\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>\u30c1\u30b1\u30c3\u30c8\u3092\u5229\u7528\u3057\u305f\u8a8d\u8a3c\u30d5\u30ed\u30fc<\/h3>\n<p>Kerberos\u8a8d\u8a3c\u306f\u3001\u300c\u30c1\u30b1\u30c3\u30c8\u300d\u3068\u547c\u3070\u308c\u308b\u96fb\u5b50\u7684\u306a\u6574\u7406\u5238\u306e\u3088\u3046\u306a\u3082\u306e\u3092\u3084\u308a\u53d6\u308a\u3057\u3066\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u3001\u307e\u305aKDC\u306e<strong>\u8a8d\u8a3c\u30b5\u30fc\u30d0\u30fc<\/strong>\u306b\u5bfe\u3057\u3001\u300c<strong>\u30c1\u30b1\u30c3\u30c8\u767a\u884c\u30c1\u30b1\u30c3\u30c8\uff08TGT\uff09<\/strong>\u300d\u3092\u304f\u3060\u3055\u3044\u3068\u8981\u6c42\u3057\u307e\u3059\u3002<\/li>\n<li>\u8a8d\u8a3c\u30b5\u30fc\u30d0\u30fc\u306f\u30e6\u30fc\u30b6\u30fc\u3092\u8a8d\u8a3c\u5f8c\u3001TGT\u3092\u767a\u884c\u3057\u307e\u3059\u3002<\/li>\n<li>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u3001\u53d7\u3051\u53d6\u3063\u305fTGT\u3092KDC\u306e<strong>\u30c1\u30b1\u30c3\u30c8\u767a\u884c\u30b5\u30fc\u30d0\u30fc<\/strong>\u306b\u63d0\u793a\u3057\u3001\u300c\u30d5\u30a1\u30a4\u30eb\u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u3044\u305f\u3044\u306e\u3067\u3001\u5c02\u7528\u306e<strong>\u30b5\u30fc\u30d3\u30b9\u30c1\u30b1\u30c3\u30c8\uff08ST\uff09<\/strong>\u3092\u304f\u3060\u3055\u3044\u300d\u3068\u8981\u6c42\u3057\u307e\u3059\u3002<\/li>\n<li>\u30c1\u30b1\u30c3\u30c8\u767a\u884c\u30b5\u30fc\u30d0\u30fc\u306fTGT\u3092\u691c\u8a3c\u3057\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u30b5\u30fc\u30d3\u30b9\u30c1\u30b1\u30c3\u30c8\u3092\u767a\u884c\u3057\u307e\u3059\u3002<\/li>\n<li>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u3001\u305d\u306e\u30b5\u30fc\u30d3\u30b9\u30c1\u30b1\u30c3\u30c8\u3092\u30d5\u30a1\u30a4\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u63d0\u793a\u3059\u308b\u3053\u3068\u3067\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u306a\u3057\u3067\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n<h3>\u5b66\u7fd2\u306e\u30dd\u30a4\u30f3\u30c8\uff1aActive 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