{"id":6912,"date":"2025-07-18T10:17:10","date_gmt":"2025-07-18T01:17:10","guid":{"rendered":"https:\/\/blog.since2020.jp\/?p=6912"},"modified":"2025-07-18T10:17:10","modified_gmt":"2025-07-18T01:17:10","slug":"layered-defense_glossary","status":"publish","type":"post","link":"https:\/\/since2020.jp\/media\/layered-defense_glossary\/","title":{"rendered":"\u591a\u91cd\u9632\u5fa1\u3068\u306f\uff1f\u57fa\u672c\u6982\u5ff5\u304b\u3089\u5fdc\u7528\u307e\u3067\u5fb9\u5e95\u89e3\u8aac"},"content":{"rendered":"\n<p>\u591a\u91cd\u9632\u5fa1\u306e\u57fa\u672c\u6982\u5ff5\u304b\u3089\u5fdc\u7528\u5206\u91ce\u3001\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\u3001\u5c06\u6765\u5c55\u671b\u307e\u3067\u3092\u521d\u5fc3\u8005\u5411\u3051\u306b\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002\u591a\u91cd\u9632\u5fa1\u3092\u6df1\u304f\u7406\u89e3\u3057\u3001\u5b9f\u969b\u306e\u30d3\u30b8\u30cd\u30b9\u3084\u7814\u7a76\u306b\u5f79\u7acb\u3066\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n<h2>\u306f\u3058\u3081\u306b<\/h2>\n<p>\u591a\u91cd\u9632\u5fa1\u306f\u3001\u73fe\u4ee3\u306e\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3084\u5371\u6a5f\u7ba1\u7406\u3001\u30ea\u30b9\u30af\u8a55\u4fa1\u306e\u5206\u91ce\u306b\u304a\u3044\u3066\u975e\u5e38\u306b\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u591a\u91cd\u9632\u5fa1\u306e\u57fa\u672c\u6982\u5ff5\u3001\u4e3b\u8981\u306a\u6280\u8853\u3001\u5fdc\u7528\u5206\u91ce\u3001\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\u3001\u305d\u3057\u3066\u5c06\u6765\u5c55\u671b\u306b\u3064\u3044\u3066\u521d\u5fc3\u8005\u5411\u3051\u306b\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<!-- 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--><\/b>\r\n<p>&nbsp;<\/p>\n\n<h2>\u591a\u91cd\u9632\u5fa1\u306e\u30d7\u30ed\u30bb\u30b9\u3068\u624b\u6cd5<\/h2>\n<b>\u591a\u91cd\u9632\u5fa1\u306e\u30d7\u30ed\u30bb\u30b9<\/b>\r\n<p>\u591a\u91cd\u9632\u5fa1\u306e\u69cb\u7bc9\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u884c\u308f\u308c\u307e\u3059<\/p>\r\n<ol>\r\n\t<li>\u8cc7\u7523\u306e\u7279\u5b9a\u3068\u5206\u985e<\/li>\r\n\t<li>\u30ea\u30b9\u30af\u8a55\u4fa1\u3068\u8105\u5a01\u5206\u6790<\/li>\r\n\t<li>\u9632\u5fa1\u5c64\u306e\u8a2d\u8a08\uff08\u7269\u7406\u30fb\u6280\u8853\u30fb\u4eba\u7684\uff09<\/li>\r\n\t<li>\u5b9f\u88c5\u3068\u904b\u7528<\/li>\r\n\t<li>\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3068\u7d99\u7d9a\u7684\u6539\u5584<\/li>\r\n<\/ol>\r\n<b>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u3088\u308b\u9632\u5fa1<\/b>\r\n<p>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3001\u4fb5\u5165\u691c\u77e5\u30b7\u30b9\u30c6\u30e0\uff08IDS\uff09\u3001VPN\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5206\u96e2\u3068\u3044\u3063\u305f\u6280\u8853\u306f\u3001\u591a\u91cd\u9632\u5fa1\u306e\u300c\u6280\u8853\u7684\u9632\u5fa1\u5c64\u300d\u3092\u62c5\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u3001\u5916\u90e8\u304b\u3089\u306e\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u9632\u6b62\u3057\u3001\u5185\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5b89\u5168\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/p>\r\n<b>\u4eba\u7684\u8981\u7d20\u306b\u3088\u308b\u9632\u5fa1<\/b>\r\n<p>\u5f93\u696d\u54e1\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6559\u80b2\u3001\u5185\u90e8\u7d71\u5236\u3001\u30a2\u30af\u30bb\u30b9\u6a29\u7ba1\u7406\u306a\u3069\u3082\u91cd\u8981\u306a\u9632\u5fa1\u624b\u6cd5\u3067\u3059\u3002\u6280\u8853\u5bfe\u7b56\u3060\u3051\u3067\u306f\u30ab\u30d0\u30fc\u3057\u304d\u308c\u306a\u3044\u300c\u4eba\u7684\u30df\u30b9\u300d\u3084\u300c\u5185\u90e8\u4e0d\u6b63\u300d\u3092\u9632\u3050\u5f79\u5272\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\r\n<p><!-- notionvc: 67b902d8-a1a2-4721-811b-57967c770c13 --><\/p>\n\n<h2>\u591a\u91cd\u9632\u5fa1\u306e\u5fdc\u7528\u5206\u91ce<\/h2>\n<b>\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/b>\r\n<p>\u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3067\u306f\u3001\u591a\u91cd\u9632\u5fa1\u304c\u6a19\u6e96\u7684\u306a\u624b\u6cd5\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u30bd\u30d5\u30c8\u30fb\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30fb2\u8981\u7d20\u8a8d\u8a3c\u30fb\u30ed\u30b0\u76e3\u8996\u306a\u3069\u304c\u9023\u643a\u3057\u3066\u60c5\u5831\u3092\u5b88\u308a\u307e\u3059\u3002<\/p>\r\n<b>\u88fd\u9020\u696d\u306b\u304a\u3051\u308b\u5b89\u5168\u7ba1\u7406<\/b>\r\n<p>\u5de5\u5834\u3067\u306f\u3001\u6a5f\u68b0\u306e\u30d5\u30a7\u30fc\u30eb\u30bb\u30fc\u30d5\u8a2d\u8a08\u3001\u5b89\u5168\u30de\u30cb\u30e5\u30a2\u30eb\u3001\u5b9a\u671f\u70b9\u691c\u306a\u3069\u8907\u6570\u306e\u5b89\u5168\u5c64\u3067\u4e8b\u6545\u3092\u9632\u304e\u307e\u3059\u3002\u7279\u306b\u5371\u967a\u7269\u3092\u6271\u3046\u73fe\u5834\u3067\u306f\u591a\u91cd\u9632\u5fa1\u306e\u8003\u3048\u65b9\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\r\n<b>\u707d\u5bb3\u5bfe\u7b56\u30fb\u9632\u707d\u8a08\u753b<\/b>\r\n<p>\u5730\u9707\u3084\u6d25\u6ce2\u306a\u3069\u306e\u81ea\u7136\u707d\u5bb3\u306b\u5bfe\u3057\u3066\u306f\u3001\u907f\u96e3\u8a13\u7df4\u30fb\u9632\u707d\u8a2d\u5099\u30fb\u60c5\u5831\u901a\u4fe1\u624b\u6bb5\u306e\u78ba\u4fdd\u306a\u3069\u3001\u8907\u6570\u306e\u5bfe\u7b56\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u88ab\u5bb3\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\r\n<p><!-- notionvc: 9377d108-c02c-4ade-ac5c-3cd7f0aab901 --><\/p>\n\n<h2>\u591a\u91cd\u9632\u5fa1\u306e\u30e1\u30ea\u30c3\u30c8\u3068\u30c7\u30e1\u30ea\u30c3\u30c8<\/h2>\n<b>\u591a\u91cd\u9632\u5fa1\u306e\u30e1\u30ea\u30c3\u30c8<\/b>\r\n<ol>\r\n\t<li>\r\n<p>\u653b\u6483\u8010\u6027\u306e\u5411\u4e0a<\/p>\r\n<\/li>\r\n\t<li>\r\n<p>\u30ea\u30b9\u30af\u306e\u5206\u6563\u3068\u4f4e\u6e1b<\/p>\r\n<\/li>\r\n\t<li>\r\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ae\u30e3\u30c3\u30d7\u306e\u6700\u5c0f\u5316<\/p>\r\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u91cd\u5927\u306a\u88ab\u5bb3\u3084\u60c5\u5831\u6f0f\u6d29\u3092\u672a\u7136\u306b\u9632\u3050\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\r\n<\/li>\r\n<\/ol>\r\n<b>\u591a\u91cd\u9632\u5fa1\u306e\u30c7\u30e1\u30ea\u30c3\u30c8<\/b>\r\n<ol>\r\n\t<li>\r\n<p>\u30b3\u30b9\u30c8\u306e\u5897\u52a0\uff08\u30b7\u30b9\u30c6\u30e0\u30fb\u4eba\u6750\uff09<\/p>\r\n<\/li>\r\n\t<li>\r\n<p>\u904b\u7528\u306e\u8907\u96d1\u5316<\/p>\r\n<\/li>\r\n\t<li>\r\n<p>\u904e\u4fe1\u306b\u3088\u308b\u76f2\u70b9\uff08\u5404\u5c64\u306e\u5f31\u70b9\u304c\u653e\u7f6e\u3055\u308c\u308b\u6050\u308c\uff09<\/p>\r\n<p>\u52b9\u679c\u7684\u306a\u904b\u7528\u306e\u305f\u3081\u306b\u306f\u3001\u30d0\u30e9\u30f3\u30b9\u3068\u7d99\u7d9a\u7684\u306a\u8a55\u4fa1\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\r\n<\/li>\r\n<\/ol>\r\n<p><!-- notionvc: 683ba9d9-d12b-4497-ad09-0f95f1a6a47f 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