{"id":7105,"date":"2025-10-06T08:30:18","date_gmt":"2025-10-05T23:30:18","guid":{"rendered":"https:\/\/blog.since2020.jp\/?p=7105"},"modified":"2026-09-29T14:39:32","modified_gmt":"2026-09-29T05:39:32","slug":"ipsec_glossary","status":"publish","type":"post","link":"https:\/\/since2020.jp\/media\/ipsec_glossary\/","title":{"rendered":"IPsec\u5fb9\u5e95\u89e3\u5256\uff1a\u30bc\u30ed\u30c8\u30e9\u30b9\u30c8\u6642\u4ee3\u306b\u6c42\u3081\u3089\u308c\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u771f\u9ac4"},"content":{"rendered":"\n

IPsec\u306e\u57fa\u672c\u6982\u5ff5\u304b\u3089ESP\u30fbIKEv2\u30fb\u30c8\u30f3\u30cd\u30eb\u30e2\u30fc\u30c9\u3001VPN\u3084\u30af\u30e9\u30a6\u30c9\u3001SD-WAN\u3067\u306e\u6d3b\u7528\u65b9\u6cd5\u307e\u3067\u3092\u89e3\u8aac\u3002\u30bc\u30ed\u30c8\u30e9\u30b9\u30c8\u3068\u306e\u95a2\u4fc2\u3084\u30dd\u30b9\u30c8\u91cf\u5b50\u6697\u53f7\u3078\u306e\u5bfe\u5fdc\u306a\u3069\u30012026\u5e74\u6642\u70b9\u306e\u6700\u65b0\u52d5\u5411\u3082\u8e0f\u307e\u3048\u3066\u3001IPsec\u3092\u73fe\u4ee3\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u3044\u3046\u8996\u70b9\u304b\u3089\u7406\u89e3\u3057\u307e\u3059\u3002<\/p>\n\n\n

\u306a\u305c\u4eca\u3001IPsec\u3092\u7406\u89e3\u3059\u308b\u3079\u304d\u306a\u306e\u304b\uff1f<\/h2>\n

\u30af\u30e9\u30a6\u30c9\u3001\u30ea\u30e2\u30fc\u30c8\u30ef\u30fc\u30af\u3001\u30de\u30eb\u30c1\u30af\u30e9\u30a6\u30c9\u3001IoT\u306e\u666e\u53ca\u306b\u3088\u3063\u3066\u3001\u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5883\u754c\u306f\u4ee5\u524d\u3088\u308a\u66d6\u6627\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u3053\u3067\u6ce8\u76ee\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5185\u5916\u3092\u5358\u7d14\u306b\u4fe1\u983c\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30e6\u30fc\u30b6\u30fc\u3084\u7aef\u672b\u3001\u30ea\u30bd\u30fc\u30b9\u5358\u4f4d\u3067\u8a8d\u8a3c\u30fb\u8a8d\u53ef\u3092\u884c\u3046\u300c\u30bc\u30ed\u30c8\u30e9\u30b9\u30c8\u300d\u3067\u3059\u3002<\/p>\n

NIST\u306eSP 800-207\u3067\u3082\u3001\u30bc\u30ed\u30c8\u30e9\u30b9\u30c8\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u5834\u6240\u3060\u3051\u3092\u6839\u62e0\u306b\u6697\u9ed9\u306e\u4fe1\u983c\u3092\u4e0e\u3048\u305a\u3001\u4fdd\u8b77\u5bfe\u8c61\u3092\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30b0\u30e1\u30f3\u30c8\u3067\u306f\u306a\u304f\u30ea\u30bd\u30fc\u30b9\u3068\u3057\u3066\u6349\u3048\u308b\u8003\u3048\u65b9\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u30022025\u5e74\u306b\u516c\u958b\u3055\u308c\u305fNIST SP 1800-35\u3067\u306f\u3001\u30aa\u30f3\u30d7\u30ec\u30df\u30b9\u3068\u8907\u6570\u30af\u30e9\u30a6\u30c9\u3092\u307e\u305f\u3050\u74b0\u5883\u3067\u306e\u5177\u4f53\u7684\u306a\u30bc\u30ed\u30c8\u30e9\u30b9\u30c8\u5b9f\u88c5\u3082\u6574\u7406\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u3053\u306e\u6d41\u308c\u304b\u3089\u300cIPsec\u306f\u53e4\u3044VPN\u6280\u8853\u306a\u306e\u3067\u306f\uff1f\u300d\u3068\u8003\u3048\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u5b9f\u969b\u306b\u306f\u3001IPsec\u306f\u30af\u30e9\u30a6\u30c9\u9593\u63a5\u7d9a\u3001\u62e0\u70b9\u9593VPN\u3001SD-WAN\u306a\u3069\u306e\u901a\u4fe1\u57fa\u76e4\u3068\u3057\u3066\u73fe\u5728\u3082\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u91cd\u8981\u306a\u306e\u306f\u3001IPsec\u3092\u30bc\u30ed\u30c8\u30e9\u30b9\u30c8\u306e\u4ee3\u66ff\u3068\u8003\u3048\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30bc\u30ed\u30c8\u30e9\u30b9\u30c8\u3092\u69cb\u6210\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4fdd\u8b77\u6280\u8853\u306e\u4e00\u3064\u3068\u3057\u3066\u4f4d\u7f6e\u4ed8\u3051\u308b\u3053\u3068<\/strong>\u3067\u3059\u3002<\/p>\n

<\/p>\n

IPsec\u3068\u306f\u4f55\u304b\uff1f<\/h2>\n

IPsec\uff08IP Security\uff09\u306f\u3001IP\u901a\u4fe1\u3092\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u3067\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u7fa4\u3067\u3059\u3002\u6697\u53f7\u5316\u306b\u3088\u308b\u6a5f\u5bc6\u6027\u3001\u6539\u3056\u3093\u691c\u77e5\u3001\u9001\u4fe1\u5143\u8a8d\u8a3c\u3001\u30ea\u30d7\u30ec\u30a4\u653b\u6483\u3078\u306e\u5bfe\u7b56\u306a\u3069\u3092\u63d0\u4f9b\u3067\u304d\u307e\u3059\u3002<\/p>\n

IPsec\u306e\u5927\u304d\u306a\u7279\u5fb4\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5074\u3092\u5927\u304d\u304f\u5909\u66f4\u3059\u308b\u3053\u3068\u306a\u304fIP\u901a\u4fe1\u305d\u306e\u3082\u306e\u3092\u4fdd\u8b77\u3067\u304d\u308b\u70b9\u3067\u3059\u3002Web\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3001\u30d5\u30a1\u30a4\u30eb\u5171\u6709\u306a\u3069\u3001IP\u4e0a\u3067\u52d5\u4f5c\u3059\u308b\u3055\u307e\u3056\u307e\u306a\u901a\u4fe1\u3092\u307e\u3068\u3081\u3066\u4fdd\u8b77\u3067\u304d\u307e\u3059\u3002<\/p>\n

IPsec\u306e\u57fa\u672c\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306fRFC 4301\u3067\u5b9a\u7fa9\u3055\u308c\u3066\u304a\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30dd\u30ea\u30b7\u30fc\u3001Security Association\uff08SA\uff09\u3001\u6697\u53f7\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3001\u9375\u7ba1\u7406\u306a\u3069\u304c\u7d44\u307f\u5408\u308f\u3055\u3063\u3066\u52d5\u4f5c\u3057\u307e\u3059\u3002<\/p>\n

\u4ee3\u8868\u7684\u306a\u7528\u9014\u306f\u3001\u4f01\u696d\u62e0\u70b9\u540c\u58eb\u3092\u63a5\u7d9a\u3059\u308bSite-to-Site VPN\u3001\u30af\u30e9\u30a6\u30c9\u3068\u30aa\u30f3\u30d7\u30ec\u30df\u30b9\u3092\u63a5\u7d9a\u3059\u308b\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u30af\u30e9\u30a6\u30c9\u9593\u901a\u4fe1\u3001\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9VPN\u306a\u3069\u3067\u3059\u3002<\/p>\n

<\/p>\n

IPsec\u3092\u69cb\u6210\u3059\u308bESP\u30fbAH\u30fbIKEv2<\/h2>\n

IPsec\u3092\u7406\u89e3\u3059\u308b\u3046\u3048\u3067\u91cd\u8981\u306a\u306e\u304c\u3001ESP\u3001AH\u3001IKE\u3068\u3044\u30463\u3064\u306e\u8981\u7d20\u3067\u3059\u3002<\/p>\n

    \n
  • *ESP\uff08Encapsulating Security Payload\uff09**\u306f\u3001IPsec\u3067\u73fe\u5728\u4e2d\u5fc3\u7684\u306b\u5229\u7528\u3055\u308c\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u901a\u4fe1\u5185\u5bb9\u306e\u6697\u53f7\u5316\u306b\u52a0\u3048\u3066\u3001\u5b8c\u5168\u6027\u3084\u8a8d\u8a3c\u3001\u30ea\u30d7\u30ec\u30a4\u5bfe\u7b56\u306a\u3069\u3092\u63d0\u4f9b\u3067\u304d\u307e\u3059\u3002RFC 4301\u3067\u3082ESP\u306f\u5fc5\u9808\u5b9f\u88c5\u5bfe\u8c61\u3068\u3055\u308c\u3001AH\u306f\u9650\u5b9a\u7684\u306a\u7528\u9014\u3092\u9664\u304d\u5229\u7528\u6a5f\u4f1a\u304c\u5c11\u306a\u3044\u4f4d\u7f6e\u4ed8\u3051\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\n
  • *AH\uff08Authentication Header\uff09**\u306f\u3001\u30c7\u30fc\u30bf\u306e\u5b8c\u5168\u6027\u3084\u9001\u4fe1\u5143\u8a8d\u8a3c\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u901a\u4fe1\u5185\u5bb9\u305d\u306e\u3082\u306e\u3092\u6697\u53f7\u5316\u3059\u308b\u6a5f\u80fd\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u307e\u305f\u3001IP\u30d8\u30c3\u30c0\u30fc\u306e\u4e00\u90e8\u3092\u4fdd\u8b77\u3059\u308b\u4ed5\u7d44\u307f\u304cNAT\u3068\u76f8\u6027\u304c\u60aa\u3044\u305f\u3081\u3001\u73fe\u5728\u306eVPN\u3067\u306fESP\u304c\u4e2d\u5fc3\u3067\u3059\u3002NAT\u74b0\u5883\u3067ESP\u3092UDP\u306b\u30ab\u30d7\u30bb\u30eb\u5316\u3059\u308bNAT Traversal\uff08NAT-T\uff09\u306b\u3064\u3044\u3066\u306fRFC 3948\u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n
  • *IKEv2\uff08Internet Key Exchange version 2\uff09**\u306f\u3001\u901a\u4fe1\u76f8\u624b\u306e\u8a8d\u8a3c\u3084\u6697\u53f7\u65b9\u5f0f\u306e\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u3001\u9375\u4ea4\u63db\u3001Security Association\u306e\u78ba\u7acb\u30fb\u66f4\u65b0\u306a\u3069\u3092\u62c5\u3044\u307e\u3059\u3002\u3064\u307e\u308a\u3001ESP\u304c\u300c\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u3092\u5b88\u308b\u4ed5\u7d44\u307f\u300d\u3060\u3068\u3059\u308c\u3070\u3001IKEv2\u306f\u300c\u5b89\u5168\u306a\u901a\u4fe1\u8def\u3092\u6e96\u5099\u30fb\u7ba1\u7406\u3059\u308b\u4ed5\u7d44\u307f\u300d\u3068\u8003\u3048\u308b\u3068\u5206\u304b\u308a\u3084\u3059\u3044\u3067\u3057\u3087\u3046\u3002<\/li>\n<\/ul>\n

    <\/p>\n

    <\/p>\n

    \u30c8\u30f3\u30cd\u30eb\u30e2\u30fc\u30c9\u3068\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30e2\u30fc\u30c9<\/h2>\n

    IPsec\u306b\u306f\u5927\u304d\u304f\u30c8\u30f3\u30cd\u30eb\u30e2\u30fc\u30c9\u3068\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30e2\u30fc\u30c9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

    \u30c8\u30f3\u30cd\u30eb\u30e2\u30fc\u30c9<\/strong>\u3067\u306f\u3001\u5143\u306eIP\u30d1\u30b1\u30c3\u30c8\u5168\u4f53\u3092\u4fdd\u8b77\u3057\u3001\u305d\u306e\u5916\u5074\u306b\u65b0\u3057\u3044IP\u30d8\u30c3\u30c0\u30fc\u3092\u4ed8\u3051\u307e\u3059\u3002\u62e0\u70b9\u9593VPN\u3084\u30af\u30e9\u30a6\u30c9VPN\u306e\u3088\u3046\u306b\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u63a5\u7d9a\u3059\u308b\u7528\u9014\u3067\u5e83\u304f\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n

    \u4e00\u65b9\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30e2\u30fc\u30c9<\/strong>\u3067\u306f\u5143\u306eIP\u30d8\u30c3\u30c0\u30fc\u3092\u57fa\u672c\u7684\u306b\u7dad\u6301\u3057\u3001\u4e0a\u4f4d\u5c64\u306e\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002\u30db\u30b9\u30c8\u9593\u901a\u4fe1\u306a\u3069\u3001\u3088\u308a\u9650\u5b9a\u3055\u308c\u305f\u7528\u9014\u3067\u5229\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n

    \u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u300c\u672c\u793e\u3068\u30af\u30e9\u30a6\u30c9\u3092IPsec\u3067\u63a5\u7d9a\u3059\u308b\u300d\u3068\u3044\u3063\u305f\u5834\u5408\u306f\u3001\u307e\u305a\u30c8\u30f3\u30cd\u30eb\u30e2\u30fc\u30c9\u3092\u60f3\u5b9a\u3059\u308b\u3068\u7406\u89e3\u3057\u3084\u3059\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n

    <\/p>\n

    <\/p>\n

    \u5b9f\u52d9\u3067IPsec\u3092\u5c0e\u5165\u3059\u308b\u3068\u304d\u306e\u30dd\u30a4\u30f3\u30c8<\/h2>\n

    IPsec VPN\u306f\u300c\u6697\u53f7\u5316\u65b9\u5f0f\u3092\u8a2d\u5b9a\u3059\u308c\u3070\u7d42\u308f\u308a\u300d\u3068\u3044\u3046\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4e21\u7aef\u306e\u8a2d\u5b9a\u3092\u6b63\u78ba\u306b\u4e00\u81f4\u3055\u305b\u3001\u7d4c\u8def\u3001\u8a8d\u8a3c\u3001\u6697\u53f7\u3001SA\u306e\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u306a\u3069\u3092\u7dcf\u5408\u7684\u306b\u8a2d\u8a08\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

    \u4e00\u822c\u7684\u306b\u306f\u3001\u307e\u305a\u4fdd\u8b77\u5bfe\u8c61\u3068\u306a\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3084\u901a\u4fe1\u7bc4\u56f2\u3092\u5b9a\u7fa9\u3057\u3001\u305d\u306e\u3046\u3048\u3067IKEv2\u306e\u8a8d\u8a3c\u65b9\u5f0f\u3001\u6697\u53f7\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3001Diffie-Hellman\u306a\u3069\u306e\u9375\u4ea4\u63db\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001ESP\u306b\u3088\u308b\u30c7\u30fc\u30bf\u901a\u4fe1\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u305fNAT-T\u3001\u81ea\u52d5\u518d\u63a5\u7d9a\u3084\u76e3\u8996\u3092\u69cb\u6210\u3057\u307e\u3059\u3002<\/p>\n

    \u7279\u306b\u30af\u30e9\u30a6\u30c9VPN\u3067\u306f\u3001\u30af\u30e9\u30a6\u30c9\u5074\u3068\u30aa\u30f3\u30d7\u30ec\u30df\u30b9\u5074\u3067\u6697\u53f7\u30b9\u30a4\u30fc\u30c8\u3084\u30c8\u30f3\u30cd\u30eb\u8a2d\u5b9a\u304c\u4e00\u81f4\u3057\u3066\u3044\u306a\u3044\u3068\u63a5\u7d9a\u3067\u304d\u307e\u305b\u3093\u3002\u307e\u305f\u3001VPN\u30c8\u30f3\u30cd\u30eb\u304c\u78ba\u7acb\u3057\u3066\u3044\u3066\u3082\u3001\u30eb\u30fc\u30c8\u8a2d\u5b9a\u3084\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30eb\u30fc\u30eb\u304c\u539f\u56e0\u3067\u901a\u4fe1\u3067\u304d\u306a\u3044\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

    \u3055\u3089\u306b\u6697\u53f7\u51e6\u7406\u306b\u3088\u308bCPU\u8ca0\u8377\u3001MTU\u4f4e\u4e0b\u3001\u30d1\u30b1\u30c3\u30c8\u65ad\u7247\u5316\u3001\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u6642\u306e\u518d\u63a5\u7d9a\u6642\u9593\u306a\u3069\u3082\u4e8b\u524d\u306b\u691c\u8a3c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

    <\/p>\n

    IPsec\u3068\u30bc\u30ed\u30c8\u30e9\u30b9\u30c8\u306f\u7af6\u5408\u3059\u308b\u306e\u304b\uff1f<\/h2>\n

    \u3053\u3053\u306f\u73fe\u4ee3\u306eIPsec\u3092\u7406\u89e3\u3059\u308b\u3046\u3048\u3067\u7279\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n

    IPsec VPN\u306f\u3001\u901a\u4fe1\u7d4c\u8def\u3092\u6697\u53f7\u5316\u3057\u3066\u4fdd\u8b77\u3059\u308b\u6280\u8853\u3067\u3059\u3002\u3057\u304b\u3057\u3001VPN\u63a5\u7d9a\u304c\u6210\u7acb\u3057\u305f\u3053\u3068\u3060\u3051\u3067\u300c\u305d\u306e\u30e6\u30fc\u30b6\u30fc\u306f\u3059\u3079\u3066\u306e\u793e\u5185\u30ea\u30bd\u30fc\u30b9\u3092\u4fe1\u983c\u3057\u3066\u3088\u3044\u300d\u3068\u5224\u65ad\u3059\u308c\u3070\u3001\u30bc\u30ed\u30c8\u30e9\u30b9\u30c8\u306e\u8003\u3048\u65b9\u3068\u306f\u4e00\u81f4\u3057\u307e\u305b\u3093\u3002<\/p>\n

    \u30bc\u30ed\u30c8\u30e9\u30b9\u30c8\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u3001\u7aef\u672b\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u30a2\u30af\u30bb\u30b9\u5bfe\u8c61\u3001\u72b6\u6cc1\u306a\u3069\u3092\u8003\u616e\u3057\u3066\u8a8d\u8a3c\u30fb\u8a8d\u53ef\u3092\u884c\u3044\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u7d99\u7d9a\u7684\u306b\u76e3\u8996\u3057\u307e\u3059\u3002NIST\u3082\u3001\u30bc\u30ed\u30c8\u30e9\u30b9\u30c8\u306e\u4e2d\u5fc3\u3092\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5883\u754c\u3067\u306f\u306a\u304f\u30ea\u30bd\u30fc\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306b\u7f6e\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n

    \u305d\u306e\u305f\u3081\u73fe\u4ee3\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001IPsec\u306b\u3088\u308b\u901a\u4fe1\u7d4c\u8def\u306e\u4fdd\u8b77<\/strong>\u3068\u3001IAM\u3001\u7aef\u672b\u8a8d\u8a3c\u3001\u30de\u30a4\u30af\u30ed\u30bb\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u3001\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306a\u3069\u306b\u3088\u308b\u30a2\u30af\u30bb\u30b9\u305d\u306e\u3082\u306e\u306e\u5236\u5fa1<\/strong>\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n

    \u5b9f\u969b\u3001NIST\u306e\u30bc\u30ed\u30c8\u30e9\u30b9\u30c8\u5b9f\u88c5\u4f8b\u3067\u3082\u3001\u30b5\u30a4\u30c8\u9593IPsec VPN\u3068\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3\u30fb\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u5229\u7528\u3057\u305f\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u304c\u7d44\u307f\u5408\u308f\u305b\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

    <\/p>\n

    <\/p>\n

    SD-WAN\u30fbSASE\u30fb\u30af\u30e9\u30a6\u30c9\u3067\u306eIPsec<\/h2>\n

    IPsec\u306f\u5f93\u6765\u578bVPN\u3060\u3051\u306b\u9589\u3058\u305f\u6280\u8853\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n

    SD-WAN\u3067\u306f\u3001\u8907\u6570\u306e\u56de\u7dda\u3084\u62e0\u70b9\u3092\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u5236\u5fa1\u3057\u306a\u304c\u3089\u3001\u5b89\u5168\u306a\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306bIPsec\u304c\u5229\u7528\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30af\u30e9\u30a6\u30c9\u3067\u3082\u3001\u30aa\u30f3\u30d7\u30ec\u30df\u30b9\u3068VPC\/VNet\u306a\u3069\u3092\u63a5\u7d9a\u3059\u308bVPN\u57fa\u76e4\u3068\u3057\u3066IPsec\u304c\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

    \u4e00\u65b9\u3001SASE\u3067\u306f\u3001\u30bc\u30ed\u30c8\u30e9\u30b9\u30c8\u3001SWG\u3001CASB\u3001ZTNA\u3001SD-WAN\u306a\u3069\u8907\u6570\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u80fd\u3092\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3068\u3057\u3066\u7d44\u307f\u5408\u308f\u305b\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001IPsec\u3060\u3051\u3067\u3059\u3079\u3066\u306e\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3092\u5b9f\u73fe\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001IPsec\u3092\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u90e8\u5206\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u3057\u3066\u4f4d\u7f6e\u4ed8\u3051\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n

    \u3064\u307e\u308a\u3001IPsec\u304c\u300c\u53e4\u3044\u6280\u8853\u304b\u3089\u65b0\u3057\u3044\u6280\u8853\u3078\u7f6e\u304d\u63db\u3048\u3089\u308c\u308b\u300d\u3068\u3044\u3046\u3088\u308a\u3001\u65b0\u3057\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u4e2d\u306b\u7d44\u307f\u8fbc\u307e\u308c\u308b\u57fa\u76e4\u6280\u8853<\/strong>\u3068\u8003\u3048\u308b\u307b\u3046\u304c\u5b9f\u614b\u306b\u8fd1\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n

    <\/p>\n

    \u6700\u5927\u306e\u65b0\u30c6\u30fc\u30de\u300c\u30dd\u30b9\u30c8\u91cf\u5b50\u6697\u53f7\u300d<\/h2>\n

    2026\u5e74\u6642\u70b9\u3067IPsec\u3092\u8003\u3048\u308b\u969b\u3001\u7121\u8996\u3067\u304d\u306a\u3044\u306e\u304c\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3078\u306e\u5099\u3048\u3067\u3059\u3002<\/p>\n

    \u73fe\u5728\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u516c\u958b\u9375\u6697\u53f7\u306e\u4e00\u90e8\u306f\u3001\u5341\u5206\u306b\u5f37\u529b\u306a\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304c\u5b9f\u73fe\u3057\u305f\u5834\u5408\u3001\u5f93\u6765\u306e\u5b89\u5168\u6027\u3092\u7dad\u6301\u3067\u304d\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u73fe\u5728\u6697\u53f7\u5316\u3055\u308c\u305f\u901a\u4fe1\u3092\u4fdd\u5b58\u3057\u3066\u304a\u304d\u3001\u5c06\u6765\u5fa9\u53f7\u3059\u308b\u300cHarvest Now, Decrypt Later\u300d\u3078\u306e\u5099\u3048\u3082\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

    NIST\u306f2024\u5e74\u306b\u3001\u30dd\u30b9\u30c8\u91cf\u5b50\u6697\u53f7\u3068\u3057\u3066FIPS 203\uff08ML-KEM\uff09\u3001FIPS 204\uff08ML-DSA\uff09\u3001FIPS 205\uff08SLH-DSA\uff09\u3092\u6b63\u5f0f\u5316\u3057\u307e\u3057\u305f\u3002<\/p>\n

    IPsec\/IKEv2\u3067\u3082\u5bfe\u5fdc\u304c\u9032\u3093\u3067\u3044\u307e\u3059\u3002IETF\u306eRFC 9370\u3067\u306f\u3001\u5f93\u6765\u306e\u9375\u4ea4\u63db\u3068\u30dd\u30b9\u30c8\u91cf\u5b50\u65b9\u5f0f\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u300cMultiple Key Exchanges\u300d\u304c\u5b9a\u7fa9\u3055\u308c\u3001\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u65b9\u5f0f\u306b\u3088\u3063\u3066\u91cf\u5b50\u8010\u6027\u3092\u9ad8\u3081\u308b\u8003\u3048\u65b9\u304c\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

    \u3055\u3089\u306b2025\u5e74\u306b\u306fRFC 9867\u304c\u516c\u958b\u3055\u308c\u3001IKEv2\u306b\u304a\u3044\u3066\u30dd\u30b9\u30c8\u91cf\u5b50\u30d7\u30ea\u30b7\u30a7\u30a2\u30fc\u30c9\u30ad\u30fc\uff08PPK\uff09\u3092\u5229\u7528\u3057\u3001\u521d\u671fIKE SA\u3084\u8ffd\u52a0SA\u3001\u518d\u9375\u4ea4\u63db\u307e\u3067\u4fdd\u8b77\u3059\u308b\u4ed5\u7d44\u307f\u304c\u6a19\u6e96\u5316\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n

    \u4eca\u5f8c\u306eIPsec\u3067\u306f\u3001\u300c\u73fe\u5728\u306e\u901a\u4fe1\u3092\u6697\u53f7\u5316\u3067\u304d\u308b\u304b\u300d\u3060\u3051\u3067\u306a\u304f\u3001\u9577\u671f\u9593\u4fdd\u5b58\u3055\u308c\u308b\u901a\u4fe1\u30c7\u30fc\u30bf\u3092\u5c06\u6765\u306e\u91cf\u5b50\u653b\u6483\u304b\u3089\u5b88\u308c\u308b\u304b<\/strong>\u3068\u3044\u3046\u8996\u70b9\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

    <\/p>\n\n\n

    IPsec\u306e\u672a\u6765\u306f\u300cVPN\u306e\u6b21\u300d\u3078<\/h2>\n\n\n\n

    IPsec\u306f20\u5e74\u4ee5\u4e0a\u306b\u308f\u305f\u3063\u3066\u5229\u7528\u3055\u308c\u3066\u304d\u305f\u6280\u8853\u3067\u3059\u304c\u3001\u53e4\u3044\u304b\u3089\u4fa1\u5024\u304c\u306a\u304f\u306a\u3063\u305f\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3080\u3057\u308d\u3001\u30af\u30e9\u30a6\u30c9\u3001SD-WAN\u3001\u30de\u30eb\u30c1\u30af\u30e9\u30a6\u30c9\u3001IoT\u306a\u3069\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210\u304c\u8907\u96d1\u306b\u306a\u308b\u307b\u3069\u300cIP\u901a\u4fe1\u3092\u5b89\u5168\u306b\u904b\u3076\u300d\u3068\u3044\u3046\u57fa\u672c\u6a5f\u80fd\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

    \u305f\u3060\u3057\u3001IPsec\u3060\u3051\u3067\u73fe\u4ee3\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5b8c\u6210\u3055\u305b\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u30bc\u30ed\u30c8\u30e9\u30b9\u30c8\u3067\u306f\u3001IPsec\u306b\u3088\u308b\u901a\u4fe1\u4fdd\u8b77\u306b\u52a0\u3048\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u30fb\u7aef\u672b\u30fb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5358\u4f4d\u306e\u8a8d\u8a3c\u30fb\u8a8d\u53ef\u3001\u6700\u5c0f\u6a29\u9650\u3001\u76e3\u8996\u3001\u30ed\u30b0\u5206\u6790\u306a\u3069\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

    \u3055\u3089\u306b\u30dd\u30b9\u30c8\u91cf\u5b50\u6697\u53f7\u3078\u306e\u79fb\u884c\u3082\u59cb\u307e\u3063\u3066\u304a\u308a\u3001IKEv2\u3067\u306f\u3059\u3067\u306b\u91cf\u5b50\u8010\u6027\u3092\u610f\u8b58\u3057\u305f\u6a19\u6e96\u5316\u304c\u9032\u3093\u3067\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

    \u307e\u3068\u3081\uff1aIPsec\u306f\u300c\u53e4\u3044VPN\u300d\u3067\u306f\u306a\u304f\u3001\u5909\u5316\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u652f\u3048\u308b\u57fa\u76e4<\/h2>\n\n\n\n

    IPsec\u306e\u672c\u8cea\u306f\u3001IP\u901a\u4fe1\u305d\u306e\u3082\u306e\u306b\u6697\u53f7\u5b66\u7684\u306a\u4fdd\u8b77\u3092\u4e0e\u3048\u308b\u3053\u3068\u3067\u3059\u3002ESP\u3001IKEv2\u3001Security Association\u3001\u30c8\u30f3\u30cd\u30eb\u30e2\u30fc\u30c9\u306a\u3069\u306e\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3059\u308c\u3070\u3001\u4f01\u696dVPN\u3084\u30af\u30e9\u30a6\u30c9\u63a5\u7d9a\u304c\u3069\u306e\u3088\u3046\u306b\u5b89\u5168\u6027\u3092\u78ba\u4fdd\u3057\u3066\u3044\u308b\u306e\u304b\u304c\u898b\u3048\u3066\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

    \u305d\u3057\u3066\u73fe\u4ee3\u306eIPsec\u3092\u7406\u89e3\u3059\u308b\u30dd\u30a4\u30f3\u30c8\u306f\u3001\u300cIPsec\u304b\u30bc\u30ed\u30c8\u30e9\u30b9\u30c8\u304b\u300d\u3068\u3044\u3046\u4e8c\u8005\u629e\u4e00\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002IPsec\u3067\u901a\u4fe1\u7d4c\u8def\u3092\u4fdd\u8b77\u3057\u306a\u304c\u3089\u3001\u30bc\u30ed\u30c8\u30e9\u30b9\u30c8\u306b\u3088\u3063\u3066\u30a2\u30af\u30bb\u30b9\u5bfe\u8c61\u3078\u306e\u4fe1\u983c\u3092\u7d30\u304b\u304f\u5236\u5fa1\u3059\u308b\u3068\u3044\u3046\u7d44\u307f\u5408\u308f\u305b\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n

    \u3053\u308c\u304b\u3089\u306f\u3055\u3089\u306b\u3001SD-WAN\u3084\u30af\u30e9\u30a6\u30c9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u306e\u7d71\u5408\u3001\u904b\u7528\u81ea\u52d5\u5316\u3001\u305d\u3057\u3066\u30dd\u30b9\u30c8\u91cf\u5b50\u6697\u53f7\u3078\u306e\u79fb\u884c\u304c\u9032\u3093\u3067\u3044\u304f\u3067\u3057\u3087\u3046\u3002IPsec\u306f\u8868\u821e\u53f0\u3067\u6ce8\u76ee\u3055\u308c\u308b\u6280\u8853\u3067\u306f\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001\u5b89\u5168\u306a\u901a\u4fe1\u3092\u6210\u7acb\u3055\u305b\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u57fa\u76e4\u3068\u3057\u3066\u3001\u305d\u306e\u5f79\u5272\u306f\u4eca\u5f8c\u3082\u5909\u5316\u3057\u306a\u304c\u3089\u6b8b\u308a\u7d9a\u3051\u308b<\/strong>\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n\n","protected":false},"excerpt":{"rendered":"

    IPsec\u306e\u57fa\u672c\u6982\u5ff5\u304b\u3089ESP\u30fbIKEv2\u30fb\u30c8\u30f3\u30cd\u30eb\u30e2\u30fc\u30c9\u3001VPN\u3084\u30af\u30e9\u30a6\u30c9\u3001SD-WAN\u3067\u306e\u6d3b\u7528\u65b9\u6cd5\u307e\u3067\u3092\u89e3\u8aac\u3002\u30bc\u30ed\u30c8\u30e9\u30b9\u30c8\u3068\u306e\u95a2\u4fc2\u3084\u30dd\u30b9\u30c8\u91cf\u5b50\u6697\u53f7\u3078\u306e\u5bfe\u5fdc\u306a\u3069\u30012026\u5e74\u6642\u70b9\u306e\u6700\u65b0\u52d5\u5411\u3082\u8e0f\u307e\u3048\u3066\u3001IPsec\u3092\u73fe\u4ee3\u306e\u30cd […]<\/p>\n","protected":false},"author":22,"featured_media":7101,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","swell_btn_cv_data":"","footnotes":"","_wp_rev_ctl_limit":""},"categories":[1249],"tags":[1104,1106,1105,1083,855],"class_list":["post-7105","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-ipsec","tag-sd-wan","tag-vpn","tag-1083","tag-855"],"_links":{"self":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts\/7105","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/users\/22"}],"replies":[{"embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/comments?post=7105"}],"version-history":[{"count":2,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts\/7105\/revisions"}],"predecessor-version":[{"id":9805,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts\/7105\/revisions\/9805"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/media\/7101"}],"wp:attachment":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/media?parent=7105"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/categories?post=7105"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/tags?post=7105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}