{"id":334,"date":"2025-06-14T15:38:00","date_gmt":"2025-06-14T06:38:00","guid":{"rendered":"https:\/\/ccna-curriculum.tech-village.co.jp\/?p=334"},"modified":"2025-10-22T00:16:34","modified_gmt":"2025-10-21T15:16:34","slug":"ike","status":"publish","type":"post","link":"https:\/\/ccna-curriculum.tech-village.co.jp\/?p=334","title":{"rendered":"IKE"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">IKE\uff08Internet Key Exchange\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IPsec\u3067\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30bd\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\uff08SA\uff09\u3092\u751f\u6210\u3059\u308b\u969b\u306b<strong><span class=\"swl-marker mark_yellow\">IKE\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u9375\u4ea4\u63db\uff09<\/span><\/strong>\u3068\u3044\u3046\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u4f7f\u308f\u308c\u307e\u3059\u3002IKE\u306f\u3001\u6697\u53f7\u5316\u306b\u4f7f\u7528\u3059\u308b\u9375\u3068\u8a8d\u8a3c\u306b\u4f7f\u7528\u3059\u308b\u9375\u306e\u4e21\u65b9\u3092\u5b89\u5168\u306b\u751f\u6210\u30fb\u4ea4\u63db\u30fb\u66f4\u65b0\u3059\u308b\u4ed5\u7d44\u307f\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30e6\u30fc\u30b6\u304c\u624b\u4f5c\u696d\u3067\u9375\u3092\u8a2d\u5b9a\u3057\u306a\u304f\u3066\u3082\u3001\u6a5f\u5668\u540c\u58eb\u3067\u81ea\u52d5\u7684\u306b\u5b89\u5168\u306a\u901a\u4fe1\u304c\u59cb\u3081\u3089\u308c\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IKE\u306f\u5927\u304d\u304f<strong>\u30d5\u30a7\u30fc\u30ba1<\/strong>\u3068<strong>\u30d5\u30a7\u30fc\u30ba2<\/strong>\u306b\u5206\u304b\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30d5\u30a7\u30fc\u30ba1<\/strong>\uff1a\u304a\u4e92\u3044\u306e\u6a5f\u5668\u304c\u5229\u7528\u53ef\u80fd\u306a\u6697\u53f7\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3084\u8a8d\u8a3c\u65b9\u5f0f\u3092\u3084\u308a\u53d6\u308a\u3057\u3001\u6700\u521d\u306e\u5b89\u5168\u306a\u901a\u4fe1\u8def\uff08ISAKMP SA\uff09\u3092\u78ba\u7acb\u3059\u308b\u3002<\/li>\n\n\n\n<li><strong>\u30d5\u30a7\u30fc\u30ba2<\/strong>\uff1a\u30d5\u30a7\u30fc\u30ba1\u3067\u4f5c\u3089\u308c\u305fISAKMP SA\u3092\u5229\u7528\u3057\u3001\u5b9f\u969b\u306eIPsec\u901a\u4fe1\u306b\u4f7f\u3046\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u4ea4\u63db\u3057\u3066IPsec SA\u3092\u751f\u6210\u3059\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u3067\u306f\u300cIKE\u30d5\u30a7\u30fc\u30ba1\u306fISAKMP SA\u306e\u78ba\u7acb\u3001\u30d5\u30a7\u30fc\u30ba2\u306fIPsec SA\u306e\u78ba\u7acb\u300d\u3068\u3044\u3046\u6d41\u308c\u3092\u554f\u308f\u308c\u3084\u3059\u3044\u305f\u3081\u3001\u5fc5\u305a\u6574\u7406\u3057\u3066\u899a\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ISAKMP\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u4ed5\u7d44\u307f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IKE\u306e\u5b9f\u88c5\u306f<strong><span class=\"swl-marker mark_yellow\">ISAKMP\uff08Internet Security Association and Key Management Protocol\uff09<\/span><\/strong>\u306b\u57fa\u3065\u3044\u3066\u884c\u308f\u308c\u307e\u3059\u3002ISAKMP\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u30d8\u30c3\u30c0\u3068\u30da\u30a4\u30ed\u30fc\u30c9\u304b\u3089\u6210\u308a\u7acb\u3061\u3001<strong><span class=\"swl-marker mark_yellow\">UDP\u306e500\u756a\u30dd\u30fc\u30c8<\/span><\/strong>\u3092\u5229\u7528\u3057\u3066\u3084\u308a\u53d6\u308a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ISAKMP\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u4ea4\u63db\u3055\u308c\u308b\u3053\u3068\u3067\u3001\u6697\u53f7\u65b9\u5f0f\u3084\u8a8d\u8a3c\u65b9\u5f0f\u3001\u9375\u306e\u751f\u6210\u306b\u5fc5\u8981\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u306a\u3069\u304c\u6c7a\u5b9a\u3055\u308c\u3001\u4ee5\u964d\u306eIPsec\u901a\u4fe1\uff08ESP\u3084AH\u3092\u5229\u7528\u3057\u305f\u6697\u53f7\u5316\u30fb\u8a8d\u8a3c\uff09\u304c\u958b\u59cb\u3055\u308c\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304cVPN\u901a\u4fe1\u306e\u300c\u6700\u521d\u306e\u63e1\u624b\u300d\u306b\u3042\u305f\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ISAKMP\u30d8\u30c3\u30c0\u306e\u69cb\u6210\u8981\u7d20<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ISAKMP\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u5192\u982d\u306b\u3042\u308b\u30d8\u30c3\u30c0\u306b\u306f\u3001\u901a\u4fe1\u306e\u5236\u5fa1\u306b\u5fc5\u8981\u306a\u60c5\u5831\u304c\u5165\u3063\u3066\u3044\u307e\u3059\u3002\u4e3b\u306a\u9805\u76ee\u3092\u307e\u3068\u3081\u308b\u3068\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u9805\u76ee<\/th><th>\u8aac\u660e<\/th><\/tr><\/thead><tbody><tr><td>Initiator Cookie<\/td><td>\u901a\u4fe1\u958b\u59cb\u5074\u304c\u751f\u6210\u3059\u308b\u8b58\u5225\u5b50<\/td><\/tr><tr><td>Responder Cookie<\/td><td>\u901a\u4fe1\u5fdc\u7b54\u5074\u304c\u751f\u6210\u3059\u308b\u8b58\u5225\u5b50<\/td><\/tr><tr><td>Next Payload<\/td><td>\u6b21\u306b\u7d9a\u304f\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u30bf\u30a4\u30d7\u3092\u793a\u3059<\/td><\/tr><tr><td>MjVer \/ MnVer<\/td><td>ISAKMP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u756a\u53f7\uff08\u901a\u5e381.0\uff09<\/td><\/tr><tr><td>Exchange Type<\/td><td>\u30e2\u30fc\u30c9\u306e\u7a2e\u985e\uff08Main=2\u3001Aggressive=4\u3001Quick=32\u306a\u3069\uff09<\/td><\/tr><tr><td>Flags<\/td><td>A\u30d3\u30c3\u30c8\u3001C\u30d3\u30c3\u30c8\u3001E\u30d3\u30c3\u30c8\u3092\u542b\u3080\u3002\u6697\u53f7\u5316\u6e08\u307f\u306a\u3089E\u30d3\u30c3\u30c8\u304c\u7acb\u3064<\/td><\/tr><tr><td>Message ID<\/td><td>\u30d5\u30a7\u30fc\u30ba2\u3067\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8b58\u5225\u3059\u308b\u756a\u53f7<\/td><\/tr><tr><td>Length<\/td><td>\u30e1\u30c3\u30bb\u30fc\u30b8\u5168\u4f53\u306e\u9577\u3055<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u3067\u306f\u300cExchange Type\u306e\u5024\u304c\u3069\u306e\u30e2\u30fc\u30c9\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u304b\u300d\u300cE\u30d3\u30c3\u30c8\u304c\u6697\u53f7\u5316\u3092\u610f\u5473\u3059\u308b\u300d\u3068\u3044\u3063\u305f\u70b9\u304c\u51fa\u984c\u3055\u308c\u3084\u3059\u3044\u90e8\u5206\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ISAKMP\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u7a2e\u985e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ISAKMP\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u672c\u4f53\u90e8\u5206\u306f<strong><span class=\"swl-marker mark_yellow\">\u30da\u30a4\u30ed\u30fc\u30c9<\/span><\/strong>\u3068\u547c\u3070\u308c\u3001\u3084\u308a\u53d6\u308a\u3059\u308b\u5185\u5bb9\u306b\u5fdc\u3058\u3066\u7a2e\u985e\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30d5\u30a7\u30fc\u30ba1\u306eMain\u30e2\u30fc\u30c9\u3067\u306f\u3001SA\u3001Proposal\u3001Transform\u3001Key Exchange\u306a\u3069\u8907\u6570\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u304c\u7d44\u307f\u5408\u308f\u3055\u3063\u3066\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee3\u8868\u7684\u306a\u30da\u30a4\u30ed\u30fc\u30c9\u30bf\u30a4\u30d7\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5024<\/th><th>\u30bf\u30a4\u30d7\u540d<\/th><th>\u5185\u5bb9<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>SA<\/td><td>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30bd\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u60c5\u5831<\/td><\/tr><tr><td>2<\/td><td>Proposal<\/td><td>\u63d0\u6848\u3055\u308c\u308b\u6697\u53f7\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0<\/td><\/tr><tr><td>3<\/td><td>Transform<\/td><td>\u63d0\u6848\u3055\u308c\u305f\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u8a73\u7d30<\/td><\/tr><tr><td>4<\/td><td>KE<\/td><td>\u9375\u4ea4\u63db\u306b\u5fc5\u8981\u306a\u5024\uff08Diffie-Hellman\u306a\u3069\uff09<\/td><\/tr><tr><td>5<\/td><td>ID<\/td><td>\u901a\u4fe1\u76f8\u624b\u306e\u8b58\u5225\u60c5\u5831<\/td><\/tr><tr><td>6<\/td><td>CERT<\/td><td>\u8a3c\u660e\u66f8<\/td><\/tr><tr><td>7<\/td><td>CR<\/td><td>\u8a3c\u660e\u66f8\u30ea\u30af\u30a8\u30b9\u30c8<\/td><\/tr><tr><td>8<\/td><td>HASH<\/td><td>\u8a8d\u8a3c\u7528\u306e\u30cf\u30c3\u30b7\u30e5\u5024<\/td><\/tr><tr><td>9<\/td><td>SIG<\/td><td>\u96fb\u5b50\u7f72\u540d<\/td><\/tr><tr><td>10<\/td><td>NONCE<\/td><td>\u4e00\u5ea6\u304d\u308a\u306e\u4e71\u6570\u5024\uff08\u30ea\u30d7\u30ec\u30a4\u653b\u6483\u9632\u6b62\uff09<\/td><\/tr><tr><td>11<\/td><td>N<\/td><td>\u901a\u77e5\u30e1\u30c3\u30bb\u30fc\u30b8<\/td><\/tr><tr><td>12<\/td><td>D<\/td><td>SA\u524a\u9664\u30e1\u30c3\u30bb\u30fc\u30b8<\/td><\/tr><tr><td>13<\/td><td>VID<\/td><td>\u30d9\u30f3\u30c0\u30fc\u56fa\u6709\u60c5\u5831<\/td><\/tr><tr><td>20<\/td><td>NAT-D<\/td><td>NAT\u74b0\u5883\u306e\u691c\u51fa\u7528<\/td><\/tr><tr><td>21<\/td><td>NAT-OA<\/td><td>NAT\u524d\u306e\u30a2\u30c9\u30ec\u30b9\u60c5\u5831<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u3067\u91cd\u8981\u306a\u306e\u306f\u3001\u300cSA\u3084Proposal\u3001Transform\u306b\u3088\u3063\u3066\u5229\u7528\u3059\u308b\u6697\u53f7\u65b9\u5f0f\u304c\u6c7a\u5b9a\u3055\u308c\u308b\u300d\u300cKE\u3084NONCE\u304c\u5b89\u5168\u306a\u9375\u4ea4\u63db\u3092\u652f\u3048\u3066\u3044\u308b\u300d\u3068\u3044\u3046\u70b9\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">IKE\u306f\u300c\u5b89\u5168\u306a\u901a\u4fe1\u306e\u6e96\u5099\u6bb5\u968e\u300d\u3092\u62c5\u5f53\u3059\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3042\u308a\u3001\u305d\u306e\u5f8c\u306bESP\u3084AH\u306b\u3088\u308b\u5b9f\u969b\u306e\u6697\u53f7\u901a\u4fe1\u304c\u884c\u308f\u308c\u307e\u3059\u3002\u8a66\u9a13\u3067\u306f\u300cIKE\u306f\u30d5\u30a7\u30fc\u30ba1\u3068\u30d5\u30a7\u30fc\u30ba2\u306b\u5206\u304b\u308c\u308b\u3053\u3068\u300d\u300cISAKMP\u304c\u30d9\u30fc\u30b9\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u300d\u300cUDP 500\u756a\u3092\u4f7f\u3046\u3053\u3068\u300d\u304c\u7279\u306b\u72d9\u308f\u308c\u308b\u306e\u3067\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IKE \u30d5\u30a7\u30fc\u30ba1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IKE\u30d5\u30a7\u30fc\u30ba1\u3067\u306f\u3001\u76f8\u624b\u306e\u6a5f\u5668\u3068\u5b89\u5168\u306b\u901a\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306e<strong><span class=\"swl-marker mark_yellow\">ISAKMP SA<\/span><\/strong>\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u3053\u306e\u6bb5\u968e\u3067\u3001\u6697\u53f7\u65b9\u5f0f\u3084\u8a8d\u8a3c\u65b9\u5f0f\u3068\u3044\u3063\u305f\u57fa\u672c\u7684\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u6c7a\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d5\u30a7\u30fc\u30ba1\u3067\u6c7a\u5b9a\u3055\u308c\u308b\u4e3b\u306a\u30d1\u30e9\u30e1\u30fc\u30bf<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0<\/strong>\uff1aISAKMP\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u6697\u53f7\u5316\u65b9\u5f0f\uff08DES \/ 3DES \/ AES\uff09<\/li>\n\n\n\n<li><strong>\u30cf\u30c3\u30b7\u30e5\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0<\/strong>\uff1a\u8a8d\u8a3c\u3084\u9375\u8a08\u7b97\u306b\u5229\u7528\u3059\u308b\u65b9\u5f0f\uff08MD5 \/ SHA-1\uff09<\/li>\n\n\n\n<li><strong>\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0<\/strong>\uff1aISAKMP SA\u306e\u6709\u52b9\u6642\u9593\uff08\u5358\u4f4d\uff1a\u79d2\u306a\u3069\uff09<\/li>\n\n\n\n<li><strong>\u8a8d\u8a3c\u65b9\u5f0f<\/strong>\uff1a\u76f8\u624b\u6a5f\u5668\u306e\u6b63\u5f53\u6027\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306e\u8a8d\u8a3c\u65b9\u6cd5\uff08\u5f8c\u8ff0\uff09<\/li>\n\n\n\n<li><strong>DH\u30b0\u30eb\u30fc\u30d7<\/strong>\uff1aDiffie-Hellman\u9375\u4ea4\u63db\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\uff08\u30b0\u30eb\u30fc\u30d71 \/ 2 \/ 5\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Diffie-Hellman\uff08DH\uff09\u3067\u3084\u308a\u53d6\u308a\u3055\u308c\u308b\u5024\u81ea\u4f53\u306f\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u7279\u6027\u306b\u3088\u3063\u3066\u5b89\u5168\u306b\u5171\u901a\u9375\u3092\u751f\u6210\u3067\u304d\u308b\u4ed5\u7d44\u307f\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d5\u30a7\u30fc\u30ba1\u306e\u30e2\u30fc\u30c9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d5\u30a7\u30fc\u30ba1\u306b\u306f2\u3064\u306e\u30e2\u30fc\u30c9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Main\u30e2\u30fc\u30c9<\/strong>\n<ul class=\"wp-block-list\">\n<li>6\u56de\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u4ea4\u63db\u3067ISAKMP SA\u3092\u78ba\u7acb\u3059\u308b<\/li>\n\n\n\n<li>\u2460\u2461 SA\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3<\/li>\n\n\n\n<li>\u2462\u2463 \u9375\u4ea4\u63db\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u4ea4\u63db\u3068\u8a08\u7b97<\/li>\n\n\n\n<li>\u2464\u2465 \u901a\u4fe1\u76f8\u624b\u306e\u8a8d\u8a3c<\/li>\n\n\n\n<li>\u6642\u9593\u306f\u304b\u304b\u308b\u304c\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7684\u306b\u5f37\u56fa<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Aggressive\u30e2\u30fc\u30c9<\/strong>\n<ul class=\"wp-block-list\">\n<li>3\u56de\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u4ea4\u63db\u3067\u5b8c\u4e86<\/li>\n\n\n\n<li>Main\u30e2\u30fc\u30c9\u3088\u308a\u901f\u3044\u304c\u3001\u3084\u308a\u53d6\u308a\u3067\u304d\u308b\u60c5\u5831\u304c\u5c11\u306a\u3044\u305f\u3081\u67d4\u8edf\u6027\u306b\u6b20\u3051\u308b<\/li>\n\n\n\n<li>\u4e00\u90e8\u306e\u5236\u9650\u3092\u7de9\u548c\u3059\u308b\u5834\u9762\u3067\u5229\u7528\u3055\u308c\u308b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u3067\u306f\u300cMain\u30e2\u30fc\u30c9\u306f6\u56de\u3001Aggressive\u30e2\u30fc\u30c9\u306f3\u56de\u306e\u3084\u308a\u53d6\u308a\u300d\u3068\u3044\u3046\u70b9\u304c\u554f\u308f\u308c\u3084\u3059\u3044\u306e\u3067\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d5\u30a7\u30fc\u30ba1\u306e\u8a8d\u8a3c\u65b9\u5f0f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">IKE\u30d5\u30a7\u30fc\u30ba1\u3067\u306f\u76f8\u624b\u306e\u6b63\u5f53\u6027\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u3001\u6b21\u306e\u8a8d\u8a3c\u65b9\u5f0f\u304c\u5229\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pre-Shared Key\uff08\u4e8b\u524d\u5171\u6709\u9375\uff09<\/strong><br>\u3042\u3089\u304b\u3058\u3081\u540c\u3058\u6587\u5b57\u5217\uff08\u30d1\u30b9\u30d5\u30ec\u30fc\u30ba\uff09\u3092\u4e21\u65b9\u306e\u6a5f\u5668\u306b\u8a2d\u5b9a\u3057\u3066\u304a\u304f\u65b9\u5f0f\u3002\u6700\u3082\u30b7\u30f3\u30d7\u30eb\u3067\u5e83\u304f\u4f7f\u308f\u308c\u308b\u3002<\/li>\n\n\n\n<li><strong>\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\uff08RSA\u7f72\u540d\uff09<\/strong><br>\u79d8\u5bc6\u9375\u3067\u751f\u6210\u3057\u305f\u7f72\u540d\u3068\u516c\u958b\u9375\u3067\u306e\u691c\u8a3c\u306b\u3088\u308a\u6539\u3056\u3093\u3084\u306a\u308a\u3059\u307e\u3057\u3092\u9632\u3050\u3002\u73fe\u5728\u4e3b\u6d41\u306e\u65b9\u5f0f\u3002<\/li>\n\n\n\n<li><strong>\u516c\u958b\u9375\u6697\u53f7<\/strong><br>\u76f8\u624b\u306e\u516c\u958b\u9375\u3067\u6697\u53f7\u5316\u3057\u3001\u53d7\u4fe1\u5074\u304c\u79d8\u5bc6\u9375\u3067\u5fa9\u53f7\u3059\u308b\u65b9\u5f0f\u3002\u8a8d\u8a3c\u306b\u5229\u7528\u53ef\u80fd\u3002<\/li>\n\n\n\n<li><strong>\u6539\u826f\u578b\u516c\u958b\u9375\u6697\u53f7<\/strong><br>\u8a08\u7b97\u91cf\u3092\u6e1b\u3089\u3057\u3066\u52b9\u7387\u5316\u3057\u305f\u65b9\u5f0f\u3002\u516c\u958b\u9375\u6697\u53f7\u306e\u767a\u5c55\u578b\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u3053\u3053\u306f\u300c\u4e8b\u524d\u5171\u6709\u9375\u304c\u6700\u3082\u30b7\u30f3\u30d7\u30eb\u3067\u4e00\u822c\u7684\u300d\u3068\u3044\u3046\u70b9\u304c\u51fa\u984c\u3055\u308c\u3084\u3059\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IKE \u30d5\u30a7\u30fc\u30ba2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IKE\u30d5\u30a7\u30fc\u30ba2\u3067\u306f\u3001\u5b9f\u969b\u306bIPsec\u3067\u4f7f\u3046\u305f\u3081\u306e<strong><span class=\"swl-marker mark_yellow\">IPsec SA<\/span><\/strong>\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u3053\u306e\u6bb5\u968e\u3067\u306f\u3001\u6697\u53f7\u5316\u3084\u8a8d\u8a3c\u306b\u95a2\u3059\u308b\u5177\u4f53\u7684\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u6c7a\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d5\u30a7\u30fc\u30ba2\u3067\u6c7a\u5b9a\u3055\u308c\u308b\u4e3b\u306a\u30d1\u30e9\u30e1\u30fc\u30bf<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30ed\u30c8\u30b3\u30eb<\/strong>\uff1aAH \u307e\u305f\u306f ESP<\/li>\n\n\n\n<li><strong>\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0<\/strong>\uff1aDES \/ 3DES \/ AES<\/li>\n\n\n\n<li><strong>\u8a8d\u8a3c\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0<\/strong>\uff1aHMAC-MD5 \/ HMAC-SHA1<\/li>\n\n\n\n<li><strong>\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0<\/strong>\uff1aIPsec SA\u306e\u6709\u52b9\u6642\u9593<\/li>\n\n\n\n<li><strong>\u30ab\u30d7\u30bb\u30eb\u5316\u30e2\u30fc\u30c9<\/strong>\uff1a\u30c8\u30f3\u30cd\u30eb\u30e2\u30fc\u30c9 \u307e\u305f\u306f \u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30e2\u30fc\u30c9<\/li>\n\n\n\n<li><strong>DH\u30b0\u30eb\u30fc\u30d7<\/strong>\uff08\u4efb\u610f\uff09\n<ul class=\"wp-block-list\">\n<li>\u30d5\u30a7\u30fc\u30ba2\u3067\u306f\u5fc5\u9808\u3067\u306f\u306a\u3044<\/li>\n\n\n\n<li>\u8ffd\u52a0\u3067Diffie-Hellman\u3092\u884c\u3044\u3001\u3088\u308a\u5f37\u56fa\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3059\u308b\u5834\u5408\u306b\u5229\u7528<\/li>\n\n\n\n<li>\u3053\u306e\u4ed5\u7d44\u307f\u3092<strong><span class=\"swl-marker mark_yellow\">PFS\uff08Perfect Forward Secrecy\uff09<\/span><\/strong>\u3068\u547c\u3076<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d5\u30a7\u30fc\u30ba2\u306e\u30e2\u30fc\u30c9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d5\u30a7\u30fc\u30ba2\u3067\u306f<strong><span class=\"swl-marker mark_yellow\">Quick\u30e2\u30fc\u30c9<\/span><\/strong>\u306e\u307f\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8a083\u56de\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u4ea4\u63db\u3067\u5b8c\u4e86<\/li>\n\n\n\n<li>\u30d5\u30a7\u30fc\u30ba1\u3067\u4f5c\u6210\u3057\u305fISAKMP SA\u306e\u4e0a\u3067\u3084\u308a\u53d6\u308a\u3055\u308c\u308b\u305f\u3081\u3001\u3059\u3067\u306b\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u72b6\u614b\u3067\u901a\u4fe1\u304c\u9032\u3080<\/li>\n<\/ul>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u3067\u306f\u300c\u30d5\u30a7\u30fc\u30ba1\u306fMain\u30e2\u30fc\u30c9\u307e\u305f\u306fAggressive\u30e2\u30fc\u30c9\u3001\u30d5\u30a7\u30fc\u30ba2\u306fQuick\u30e2\u30fc\u30c9\u306e\u307f\u300d\u3068\u3044\u3046\u70b9\u304c\u5b9a\u756a\u306e\u51fa\u984c\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u25c6\u307e\u3068\u3081\u30b9\u30e9\u30a4\u30c9<\/h2>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/ccna-curriculum.tech-village.co.jp\/wp-content\/uploads\/2025\/06\/IKE.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"IKE\u306e\u57cb\u3081\u8fbc\u307f\u3002\"><\/object><a id=\"wp-block-file--media-9ad72c42-aef0-49f6-af86-220aed0c085d\" href=\"https:\/\/ccna-curriculum.tech-village.co.jp\/wp-content\/uploads\/2025\/06\/IKE.pdf\">IKE<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>IKE\uff08Internet Key Exchange\uff09 IPsec\u3067\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30bd\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\uff08SA\uff09\u3092\u751f\u6210\u3059\u308b\u969b\u306bIKE\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u9375\u4ea4\u63db\uff09\u3068\u3044\u3046\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u4f7f\u308f\u308c\u307e\u3059\u3002IKE\u306f\u3001\u6697\u53f7\u5316\u306b\u4f7f\u7528\u3059\u308b\u9375\u3068\u8a8d\u8a3c\u306b\u4f7f\u7528 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[15],"tags":[],"class_list":["post-334","post","type-post","status-publish","format-standard","hentry","category-security"],"_links":{"self":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/334","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=334"}],"version-history":[{"count":4,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/334\/revisions"}],"predecessor-version":[{"id":828,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/334\/revisions\/828"}],"wp:attachment":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=334"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=334"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=334"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}