{"id":525,"date":"2026-05-11T08:12:16","date_gmt":"2026-05-11T08:12:16","guid":{"rendered":"https:\/\/rocketspacevpn.com\/?p=525"},"modified":"2026-05-13T07:23:56","modified_gmt":"2026-05-13T07:23:56","slug":"vpn-protocol","status":"publish","type":"post","link":"https:\/\/rocketspacevpn.com\/ja\/post\/vpn-protocol\/","title":{"rendered":"VPN\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f"},"content":{"rendered":"

VPN\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u3068VPN\u30b5\u30fc\u30d0\u30fc\u9593\u3067\u30c7\u30fc\u30bf\u304c\u3069\u306e\u3088\u3046\u306b\u9001\u4fe1\u3055\u308c\u308b\u304b\u3092\u6b63\u78ba\u306b\u6c7a\u5b9a\u3059\u308b\u3001\u4e00\u9023\u306e\u6a19\u6e96\u5316\u3055\u308c\u305f\u30eb\u30fc\u30eb\u3068\u547d\u4ee4\u30bb\u30c3\u30c8\u3067\u3059\u3002\u3053\u308c\u306f\u5b89\u5168\u306a\u30c8\u30f3\u30cd\u30eb\u306e\u300c\u53d6\u6271\u8aac\u660e\u66f8\u300d\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u6697\u53f7\u5316\u3001\u8a8d\u8a3c\u3001\u304a\u3088\u3073\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u306e\u305f\u3081\u306e\u5177\u4f53\u7684\u306a\u65b9\u6cd5\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002VPN\u81ea\u4f53\u304c\u63a5\u7d9a\u3092\u4f5c\u6210\u3057\u307e\u3059\u304c\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u901f\u5ea6\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u304a\u3088\u3073\u5b89\u5b9a\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u5de6\u53f3\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u6700\u5927\u9650\u306b\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u5f37\u529b\u306a\u6697\u53f7\u5316\u3092\u512a\u5148\u3059\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3082\u3042\u308c\u3070\u3001\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3084\u30b2\u30fc\u30e0\u306b\u6700\u9069\u306a\u901f\u5ea6\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u306b\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3053\u3068\u306b\u91cd\u70b9\u3092\u7f6e\u304f\u30d7\u30ed\u30c8\u30b3\u30eb\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\n

\u4e00\u822c\u7684\u306aVPN\u30d7\u30ed\u30c8\u30b3\u30eb<\/h3>\n

\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u3088\u3063\u3066\u3001\u30c7\u30fc\u30bf\u306e\u51e6\u7406\u306b\u4f7f\u7528\u3055\u308c\u308b\u6697\u53f7\u5316\u6280\u8853\u306f\u7570\u306a\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u6700\u3082\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u5185\u8a33\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n \n

\n \n \n \n \n \n \n \n \n
\u30d7\u30ed\u30c8\u30b3\u30eb<\/th>\n \u4e3b\u306a\u7279\u5fb4\u3068\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/th>\n <\/tr>\n <\/thead>\n
\n WireGuard<\/a>\n <\/td>\n \u8efd\u91cf\u306a\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u3068\u5353\u8d8a\u3057\u305f\u901f\u5ea6\u3067\u77e5\u3089\u308c\u308b\u73fe\u4ee3\u306e\u6a19\u6e96\u898f\u683c\u3067\u3059\u3002\u9ad8\u6027\u80fd\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u3068\u4f4e\u9045\u5ef6\u304c\u6c42\u3081\u3089\u308c\u308b\u74b0\u5883\u306b\u6700\u9069\u3067\u3059\u3002<\/td>\n <\/tr>\n
\n OpenVPN<\/a>\n <\/td>\n \u975e\u5e38\u306b\u6c4e\u7528\u6027\u306e\u9ad8\u3044\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3042\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u691c\u95b2\u56de\u907f\u80fd\u529b\u306b\u304a\u3051\u308b\u696d\u754c\u306e\u4fe1\u983c\u3067\u304d\u308b\u6a19\u6e96\u3068\u3057\u3066\u5e83\u304f\u8a8d\u77e5\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/td>\n <\/tr>\n
\n IKEv2\/IPsec<\/a>\n <\/td>\n \u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u306b\u6700\u9069\u3067\u3059\u3002Wi-Fi\u3068\u30e2\u30d0\u30a4\u30eb\u30c7\u30fc\u30bf\u901a\u4fe1\u306e\u9593\u3067\u5207\u308a\u66ff\u3048\u308b\u969b\u3001\u63a5\u7d9a\u3092\u518d\u78ba\u7acb\u3059\u308b\u80fd\u529b\u304c\u975e\u5e38\u306b\u512a\u308c\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002<\/td>\n <\/tr>\n
\n L2TP\/IPsec<\/a>\n <\/td>\n \u53e4\u3044\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3042\u308a\u3001\u4e00\u822c\u7684\u306b\u901f\u5ea6\u306f\u52a3\u308a\u307e\u3059\u304c\u3001\u30ec\u30ac\u30b7\u30fc\u30b7\u30b9\u30c6\u30e0\u3084\u53e4\u3044\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3067\u306e\u57fa\u672c\u7684\u306a\u4e92\u63db\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u73fe\u5728\u3082\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n<\/div>\n\n\n\n

WireGuard\uff1a\u5b89\u5168\u306a\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u306e\u305f\u3081\u306e\u73fe\u4ee3\u7684\u6a19\u6e96<\/h2>\n\n\n\n

WireGuard\u306f\u3001\u30bb\u30ad\u30e5\u30a2\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u306e\u9818\u57df\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u30d1\u30e9\u30c0\u30a4\u30e0\u30b7\u30d5\u30c8\u3092\u8c61\u5fb4\u3057\u3066\u304a\u308a\u3001IPsec\u3084OpenVPN\u3068\u3044\u3063\u305f\u65e7\u6765\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u4ee3\u308f\u308b\u73fe\u4ee3\u7684\u306a\u9078\u629e\u80a2\u3068\u3057\u3066\u4f4d\u7f6e\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u30b8\u30a7\u30a4\u30bd\u30f3\u30fb\u30c9\u30cd\u30f3\u30d5\u30a7\u30eb\u30c9\u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u305f\u3053\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4e3b\u306a\u76ee\u7684\u306f\u3001\u524d\u8eab\u3068\u306a\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u7169\u96d1\u3067\u80a5\u5927\u5316\u3057\u305f\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u3001\u5408\u7406\u5316\u3055\u308c\u305f\u9ad8\u6027\u80fd\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u3067\u3057\u305f\u3002\u5f93\u6765\u306eVPN\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u6570\u5341\u4e07\u884c\u3092\u8d85\u3048\u308b\u81a8\u5927\u306a\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u306b\u82e6\u616e\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u306e\u306b\u5bfe\u3057\u3001WireGuard\u306f\u7d044,000\u884c\u306e\u30b3\u30fc\u30c9\u3060\u3051\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u308b\u975e\u5e38\u306b\u8efd\u91cf\u306a\u3082\u306e\u3068\u3057\u3066\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30df\u30cb\u30de\u30ea\u30b9\u30c8\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u5358\u306a\u308b\u7f8e\u7684\u306a\u9078\u629e\u3067\u306f\u306a\u304f\u3001\u91cd\u8981\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6226\u7565\u3067\u3059\u3002\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u304c\u5c0f\u3055\u3044\u307b\u3069\u653b\u6483\u5bfe\u8c61\u9818\u57df\uff08\u30a2\u30bf\u30c3\u30af\u30b5\u30fc\u30d5\u30a7\u30b9\uff09\u306f\u5927\u5e45\u306b\u72ed\u307e\u308a\u3001\u5305\u62ec\u7684\u306a\u72ec\u7acb\u76e3\u67fb\u304c\u53ef\u80fd\u306b\u306a\u308b\u305f\u3081\u3001\u8907\u96d1\u306a\u30b7\u30b9\u30c6\u30e0\u3088\u308a\u3082\u306f\u308b\u304b\u306b\u52b9\u7387\u7684\u306b\u8106\u5f31\u6027\u3092\u7279\u5b9a\u3057\u3001\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\"WireGuard\"
WireGuard<\/figcaption><\/figure>\n\n\n\n

\u69cb\u9020\u7684\u306a\u30b7\u30f3\u30d7\u30eb\u3055\u306b\u52a0\u3048\u3001WireGuard\u306f\u5353\u8d8a\u3057\u305f\u901f\u5ea6\u3068\u4f4e\u9045\u5ef6\u6027\u80fd\u3092\u5b9f\u73fe\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5b8c\u5168\u306bLinux\u30ab\u30fc\u30cd\u30eb\u7a7a\u9593\u5185\u3067\u52d5\u4f5c\u3057\u3001\u6700\u5148\u7aef\u306e\u6697\u53f7\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u5f93\u6765\u306e\u30e6\u30fc\u30b6\u30fc\u7a7a\u9593\u5b9f\u88c5\u306b\u3042\u308a\u304c\u3061\u306a\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30b9\u30a4\u30c3\u30c1\u306b\u3088\u308b\u91cd\u3044\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u56de\u907f\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u5bfe\u79f0\u6697\u53f7\u5316\u7528\u306eChaCha20\u3001\u9375\u4ea4\u63db\u7528\u306eCurve25519\u3001\u8a8d\u8a3c\u7528\u306ePoly1305\u3092\u542b\u3080\u73fe\u4ee3\u7684\u306a\u300c\u6697\u53f7\u30b9\u30a4\u30fc\u30c8\u300d\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f\u3001\u5c02\u7528\u306eAES\u30a2\u30af\u30bb\u30e9\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u6b20\u304f\u30c7\u30d0\u30a4\u30b9\u3092\u542b\u3081\u3001\u5e45\u5e83\u3044\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3067\u6975\u3081\u3066\u9ad8\u901f\u306b\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u63a5\u7d9a\u6642\u9593\u306e\u77ed\u7e2e\u3001\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u306e\u5411\u4e0a\u3001\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u306e\u30d0\u30c3\u30c6\u30ea\u30fc\u5bff\u547d\u306e\u6539\u5584\u3092\u5b9f\u611f\u3067\u304d\u3001\u30cf\u30a4\u30a8\u30f3\u30c9\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30ea\u30bd\u30fc\u30b9\u5236\u9650\u306e\u3042\u308b\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u307e\u3067\u3001\u3042\u3089\u3086\u308b\u7528\u9014\u306b\u7406\u60f3\u7684\u306a\u9078\u629e\u80a2\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\n\n\u5b9f\u7528\u6027\u306e\u9762\u3067\u306f\u3001WireGuard\u306f\u3057\u3070\u3057\u3070\u4e0d\u6e80\u306e\u7a2e\u3068\u306a\u308bVPN\u8a2d\u5b9a\u30d7\u30ed\u30bb\u30b9\u3092\u7c21\u7d20\u5316\u3057\u307e\u3059\u3002SSH\u306b\u4f3c\u305f\u5206\u304b\u308a\u3084\u3059\u3044\u516c\u958b\u9375\u8a8d\u8a3c\u30e2\u30c7\u30eb\u3092\u63a1\u7528\u3057\u3066\u304a\u308a\u3001\u8907\u96d1\u306aX.509\u8a3c\u660e\u66f8\u30c1\u30a7\u30fc\u30f3\u3092\u7ba1\u7406\u3059\u308b\u5fc5\u8981\u6027\u3092\u52b9\u679c\u7684\u306b\u6392\u9664\u3057\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u3053\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u300c\u30b9\u30c6\u30eb\u30b9\u300d\u6027\u3092\u5099\u3048\u308b\u3088\u3046\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u8a8d\u8a3c\u3055\u308c\u3066\u3044\u306a\u3044\u30d1\u30b1\u30c3\u30c8\u306b\u306f\u5fdc\u7b54\u3057\u306a\u3044\u305f\u3081\u3001\u672a\u627f\u8a8d\u306e\u30b9\u30ad\u30e3\u30ca\u30fc\u304b\u3089\u30b5\u30fc\u30d0\u30fc\u3092\u4e8b\u5b9f\u4e0a\u898b\u3048\u306a\u3044\u72b6\u614b\u306b\u3057\u307e\u3059\u3002\u6700\u3082\u9ad8\u304f\u8a55\u4fa1\u3055\u308c\u3066\u3044\u308b\u6a5f\u80fd\u306e\u4e00\u3064\u306f\u3001\u5805\u7262\u306a\u30ed\u30fc\u30df\u30f3\u30b0\u6a5f\u80fd\u3067\u3059\u3002WireGuard\u306f\u3001\u81ea\u5b85\u306eWi-Fi\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u30e2\u30d0\u30a4\u30eb\u30c7\u30fc\u30bf\u901a\u4fe1\u306b\u5207\u308a\u66ff\u308f\u308b\u969b\u306a\u3069\u3001\u30c7\u30d0\u30a4\u30b9\u304c\u7570\u306a\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u9593\u3092\u79fb\u52d5\u3057\u3066\u3082\u3001\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u63a5\u7d9a\u3092\u7dad\u6301\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u9244\u58c1\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u6975\u9650\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u305d\u3057\u3066\u4f7f\u3044\u3084\u3059\u3055\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u308a\u3001\u696d\u754c\u5168\u4f53\u3067\u6025\u901f\u306b\u666e\u53ca\u3057\u3001\u6697\u53f7\u5316\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u306e\u65b0\u305f\u306a\u30b4\u30fc\u30eb\u30c9\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9\u3068\u3057\u3066\u306e\u5730\u4f4d\u3092\u78ba\u7acb\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

OpenVPN\u306e\u30ec\u30ac\u30b7\u30fc\u3068\u30d1\u30ef\u30fc<\/h2>\n\n\n\n

\u7d0420\u5e74\u9593\u306b\u308f\u305f\u308a\u3001OpenVPN\u306f\u5b89\u5168\u306a\u30dd\u30a4\u30f3\u30c8\u30fb\u30c4\u30fc\u30fb\u30dd\u30a4\u30f3\u30c8\uff08point-to-point\uff09\u304a\u3088\u3073\u30b5\u30a4\u30c8\u30fb\u30c4\u30fc\u30fb\u30b5\u30a4\u30c8\uff08site-to-site\uff09\u63a5\u7d9a\u3092\u78ba\u7acb\u3059\u308b\u305f\u3081\u306e\u6c7a\u5b9a\u7684\u306a\u696d\u754c\u6a19\u6e96\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3066\u304d\u307e\u3057\u305f\u30022001\u5e74\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f\u3053\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306e\u900f\u660e\u6027\u304c\u9ad8\u304f\u3001\u9ad8\u5ea6\u306b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u53ef\u80fd\u306a\u624b\u6cd5\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u696d\u754c\u306b\u9769\u547d\u3092\u3082\u305f\u3089\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u9577\u5bff\u306e\u7406\u7531\u306f\u3001\u4e3b\u306b\u300c\u5b9f\u6226\u3067\u935b\u3048\u3089\u308c\u305f\uff08battle-tested\uff09\u300d\u6027\u8cea\u306b\u3042\u308a\u307e\u3059\u3002\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u304c\u8ab0\u306b\u3067\u3082\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u6570\u5341\u5e74\u306b\u308f\u305f\u308a\u53b3\u683c\u306a\u72ec\u7acb\u76e3\u67fb\u3092\u53d7\u3051\u3066\u304d\u307e\u3057\u305f\u3002\u3053\u306e\u900f\u660e\u6027\u306f\u3001\u4ed6\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u306f\u5230\u5e95\u53ca\u3070\u306a\u3044\u30ec\u30d9\u30eb\u306e\u4fe1\u983c\u3092\u7bc9\u304d\u4e0a\u3052\u3001\u5b9f\u9a13\u7684\u306a\u901f\u5ea6\u3088\u308a\u3082\u5b9f\u8a3c\u6e08\u307f\u306e\u5b9f\u7e3e\u3092\u512a\u5148\u3059\u308b\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u91cd\u8996\u3059\u308b\u7d44\u7e54\u3084\u500b\u4eba\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u306e\u304a\u6c17\u306b\u5165\u308a\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\"OpenVPN\u306e\u4ed5\u7d44\u307f\"
OpenVPN\u306e\u4ed5\u7d44\u307f<\/figcaption><\/figure>\n\n\n\n

OpenVPN\u306e\u6700\u3082\u91cd\u8981\u306a\u5229\u70b9\u306e\u4e00\u3064\u306f\u3001\u5236\u9650\u7684\u306a\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u691c\u95b2\u3092\u56de\u907f\u3059\u308b\u6bd4\u985e\u306e\u306a\u3044\u6c4e\u7528\u6027\u3067\u3059\u3002\u7279\u5b9a\u306e\u30dd\u30fc\u30c8\u306b\u9650\u5b9a\u3055\u308c\u308b\u591a\u304f\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u306f\u7570\u306a\u308a\u3001OpenVPN\u306f\u6700\u5927\u901f\u5ea6\u306e\u305f\u3081\u306eUDP\u3068\u3001\u6700\u5927\u4fe1\u983c\u6027\u306e\u305f\u3081\u306eTCP\u306e\u4e21\u65b9\u3067\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u69cb\u6210\u3067\u304d\u307e\u3059\u3002\u6a19\u6e96\u7684\u306aHTTPS\u30a6\u30a7\u30d6\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3068\u540c\u3058TCP 443\u30dd\u30fc\u30c8\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001OpenVPN\u306fVPN\u30c7\u30fc\u30bf\u3092\u901a\u5e38\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u95b2\u89a7\u3068\u3057\u3066\u52b9\u679c\u7684\u306b\u507d\u88c5\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4ed6\u306eVPN\u30b7\u30b0\u30cd\u30c1\u30e3\u304c\u30c7\u30a3\u30fc\u30d7\u30fb\u30d1\u30b1\u30c3\u30c8\u30fb\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\uff08DPI\uff09\u306b\u3088\u3063\u3066\u5bb9\u6613\u306b\u691c\u51fa\u30fb\u906e\u65ad\u3055\u308c\u308b\u3088\u3046\u306a\u691c\u95b2\u306e\u53b3\u3057\u3044\u74b0\u5883\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u3001\u5f37\u529b\u306a\u30c4\u30fc\u30eb\u3068\u306a\u308a\u307e\u3059\u3002\n\nOpenVPN\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u57fa\u76e4\u306fOpenSSL\u30e9\u30a4\u30d6\u30e9\u30ea\u4e0a\u306b\u69cb\u7bc9\u3055\u308c\u3066\u304a\u308a\u3001\u3053\u308c\u306b\u3088\u308a\u81a8\u5927\u306a\u7a2e\u985e\u306e\u9ad8\u5ea6\u306a\u6697\u53f7\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u53ef\u80fd\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u6700\u3082\u4e00\u822c\u7684\u306b\u306f\u3001\u4e16\u754c\u4e2d\u306e\u653f\u5e9c\u3084\u8ecd\u4e8b\u6a5f\u95a2\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u307b\u3069\u5b89\u5168\u306a\u6a19\u6e96\u3067\u3042\u308bAES-256\u6697\ud638\u5316\u3092\u5229\u7528\u3057\u307e\u3059\u3002\u5358\u7d14\u306a\u6697\u53f7\u5316\u306b\u3068\u3069\u307e\u3089\u305a\u3001OpenVPN\u306f\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u3001\u4e8b\u524d\u5171\u6709\u9375\u3001\u591a\u8981\u7d20\u8a8d\u8a3c\uff08MFA\uff09\u306a\u3069\u3001\u591a\u69d8\u306a\u8a8d\u8a3c\u65b9\u6cd5\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u5e83\u7bc4\u306a\u6a5f\u80fd\u30bb\u30c3\u30c8\u306f\u9ad8\u5ea6\u306a\u300c\u5fae\u8abf\u6574\u300d\u3092\u53ef\u80fd\u306b\u3059\u308b\u4e00\u65b9\u3067\u3001\u5b66\u7fd2\u66f2\u7dda\u304c\u967a\u3057\u304f\u306a\u308b\u8981\u56e0\u3067\u3082\u3042\u308a\u307e\u3059\u3002OpenVPN\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306f\u591a\u304f\u306e\u5834\u5408\u3001\u9ad8\u5bc6\u5ea6\u3067\u8907\u96d1\u3067\u3042\u308a\u3001WireGuard\u306e\u3088\u3046\u306a\u73fe\u4ee3\u7684\u306a\u4ee3\u66ff\u624b\u6bb5\u3088\u308a\u3082\u6df1\u3044\u6280\u8853\u7684\u77e5\u8b58\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u3057\u304b\u3057\u3001\u3053\u306e\u6c4e\u7528\u6027\u306e\u9ad8\u3055\u306b\u306f\u6027\u80fd\u9762\u3067\u306e\u30b3\u30b9\u30c8\u304c\u4f34\u3044\u307e\u3059\u3002OpenVPN\u306f10\u4e07\u884c\u3092\u8d85\u3048\u308b\u81a8\u5927\u306a\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u3092\u7279\u5fb4\u3068\u3057\u3066\u304a\u308a\u3001\u3088\u308a\u65b0\u3057\u304f\u8efd\u91cf\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u6bd4\u8f03\u3057\u3066\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3084\u76e3\u67fb\u304c\u8457\u3057\u304f\u56f0\u96e3\u3067\u3059\u3002\u3055\u3089\u306b\u3001OpenVPN\u306f\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306e\u300c\u30e6\u30fc\u30b6\u30fc\u7a7a\u9593\u300d\u3067\u52d5\u4f5c\u3059\u308b\u305f\u3081\u3001\u30c7\u30fc\u30bf\u306e\u6697\u53f7\u5316\u30fb\u5fa9\u53f7\u306b\u3088\u308a\u591a\u304f\u306eCPU\u30ea\u30bd\u30fc\u30b9\u3092\u5fc5\u8981\u3068\u3057\u3001\u3053\u308c\u304c\u9045\u5ef6\u306e\u5897\u5927\u3084\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u306e\u30d0\u30c3\u30c6\u30ea\u30fc\u6d88\u8cbb\u306e\u5897\u52a0\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6b20\u70b9\u306f\u3042\u308a\u307e\u3059\u304c\u3001OpenVPN\u306f\u305d\u306e\u6975\u3081\u3066\u9ad8\u3044\u67d4\u8edf\u6027\u3001\u5805\u7262\u306a\u6a5f\u80fd\u3001\u305d\u3057\u306620\u5e74\u306b\u308f\u305f\u308a\u73fe\u5834\u3067\u8a3c\u660e\u3055\u308c\u3066\u304d\u305f\u4fe1\u983c\u6027\u306b\u3088\u308a\u3001\u4eca\u306a\u304a\u30c7\u30b8\u30bf\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u91cd\u8981\u306a\u67f1\u3067\u3042\u308a\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

IKEv2\/IPsec\u306e\u4fe1\u983c\u6027\u3068\u30e2\u30d3\u30ea\u30c6\u30a3<\/h2>\n\n\n\n

IKEv2\uff08Internet Key Exchange version 2\uff09\u306f\u3001\u6697\u53f7\u5316\u3068\u8a8d\u8a3c\u306e\u305f\u3081\u306b\u901a\u5e38IPsec\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3055\u308c\u308b\u5805\u7262\u306a\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002Microsoft\u3068Cisco\u306b\u3088\u3063\u3066\u5171\u540c\u958b\u767a\u3055\u308c\u305f\u3053\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5207\u308a\u66ff\u3048\u4e2d\u3082\u6301\u7d9a\u7684\u306a\u63a5\u7d9a\u3092\u7dad\u6301\u3067\u304d\u308b\u72ec\u81ea\u306e\u80fd\u529b\u306b\u3088\u308a\u3001VPN\u696d\u754c\u306e\u5b9a\u756a\u3068\u306a\u308a\u307e\u3057\u305f\u3002\u30c7\u30d0\u30a4\u30b9\u304c\u4fe1\u53f7\u3092\u5931\u3063\u305f\u308a\u57fa\u5730\u5c40\u3092\u5207\u308a\u66ff\u3048\u305f\u308a\u3059\u308b\u969b\u306b\u63a5\u7d9a\u304c\u5207\u65ad\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u53e4\u3044\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u306f\u7570\u306a\u308a\u3001IKEv2\u306f\u300cMOBIKE\u300d\uff08Mobility and Multihoming\uff09\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001Wi-Fi\u3068\u30e2\u30d0\u30a4\u30eb\u30c7\u30fc\u30bf\u901a\u4fe1\u306e\u9593\u3092\u983b\u7e41\u306b\u79fb\u52d5\u3059\u308b\u30e2\u30d0\u30a4\u30eb\u30e6\u30fc\u30b6\u30fc\u306b\u5bfe\u3057\u3066\u975e\u5e38\u306b\u9ad8\u3044\u8010\u6027\u3092\u767a\u63ee\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u624b\u52d5\u3067\u518d\u63a5\u7d9a\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u307b\u307c\u77ac\u6642\u306b\u30bb\u30ad\u30e5\u30a2\u306a\u30c8\u30f3\u30cd\u30eb\u3092\u518d\u78ba\u7acb\u3067\u304d\u307e\u3059\u3002\n\n\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u89b3\u70b9\u304b\u3089\u3001IKEv2\/IPsec\u306f\u305d\u306e\u5f37\u529b\u306a\u6697\u53f7\u5316\u30b5\u30dd\u30fc\u30c8\u3068\u9ad8\u901f\u30c7\u30fc\u30bf\u8ee2\u9001\u306e\u51e6\u7406\u80fd\u529b\u3067\u9ad8\u304f\u8a55\u4fa1\u3055\u308c\u3066\u3044\u307e\u3059\u3002IPsec\u30b9\u30a4\u30fc\u30c8\u3092\u5229\u7528\u3057\u3066\u30c7\u30fc\u30bf\u30d1\u30b1\u30c3\u30c8\u306b\u30bb\u30ad\u30e5\u30a2\u306a\u30ec\u30a4\u30e4\u30fc\u3092\u63d0\u4f9b\u3057\u3001\u901a\u5e38\u306fAES-256\u6697\u53f7\u5316\u3092\u63a1\u7528\u3057\u3066\u3001\u508d\u53d7\u3055\u308c\u305f\u30c7\u30fc\u30bf\u304c\u8aad\u307f\u53d6\u3089\u308c\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u4e3b\u306a\u6280\u8853\u7684\u5229\u70b9\u306e\u4e00\u3064\u306f\u3001Windows\u3001macOS\u3001iOS\u3092\u542b\u3080\u591a\u304f\u306e\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3067\u30cd\u30a4\u30c6\u30a3\u30d6\u306b\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u306e\u30cd\u30a4\u30c6\u30a3\u30d6\u30b5\u30dd\u30fc\u30c8\u306b\u3088\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u3053\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u7528\u3057\u3066VPN\u63a5\u7d9a\u3092\u8a2d\u5b9a\u3067\u304d\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u30b7\u30b9\u30c6\u30e0\u30ea\u30bd\u30fc\u30b9\u3078\u306e\u8ca0\u8377\u3092\u6291\u3048\u305f\u3001\u3088\u308a\u30af\u30ea\u30fc\u30f3\u3067\u7d71\u5408\u3055\u308c\u305f\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

IKEv2\/IPsec\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306f\u3001\u3088\u308a\u52b9\u7387\u7684\u3067CPU\u3078\u306e\u8ca0\u8377\u304c\u5c11\u306a\u304f\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u4e00\u822c\u7684\u306bOpenVPN\u3088\u308a\u3082\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u6700\u65b0\u306eWireGuard\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u3088\u3046\u306a\u6975\u9650\u306e\u901f\u5ea6\u306b\u306f\u9054\u3057\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u975e\u5e38\u306b\u512a\u308c\u3066\u304a\u308a\u3001\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3084\u30bb\u30ad\u30e5\u30a2\u306a\u4f01\u696d\u5411\u3051\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9\u3068\u3044\u3063\u305f\u9ad8\u5e2f\u57df\u5e45\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306b\u6700\u9069\u306a\u9078\u629e\u80a2\u3068\u306a\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001IKEv2\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u8005\u304c\u8b58\u5225\u3057\u3084\u3059\u3044\u7279\u5b9a\u306e\u30dd\u30fc\u30c8\u30bb\u30c3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u3001\u9ad8\u5ea6\u306a\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306b\u3088\u3063\u3066\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3084\u3059\u3044\u5834\u5408\u304c\u3042\u308b\u70b9\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\u305d\u308c\u3067\u3082\u306a\u304a\u3001\u901f\u5ea6\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u306a\u4e92\u63db\u6027\u3001\u305d\u3057\u3066\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u306b\u304a\u3051\u308b\u6bd4\u985e\u306e\u306a\u3044\u5b89\u5b9a\u6027\u3092\u517c\u306d\u5099\u3048\u3066\u3044\u308b\u3053\u3068\u304b\u3089\u3001\u73fe\u4ee3\u306e\u30cd\u30c3\u30c8\uc6cc\ud0b9\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306e\u6700\u524d\u7dda\u306b\u4f4d\u7f6e\u3057\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

L2TP\/IPsec\u306e\u4e92\u63db\u6027\u3068\u30ec\u30ac\u30b7\u30fc<\/h2>\n\n\n\n

L2TP\uff08Layer 2 Tunneling Protocol\uff09\u306f\u3001\u53e4\u3044PPTP\uff08Point-to-Point Tunneling Protocol\uff09\u306e\u62e1\u5f35\u7248\u3067\u3042\u308a\u3001\u305d\u308c\u81ea\u4f53\u306b\u6b20\u3051\u3066\u3044\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u88dc\u3046\u305f\u3081\u306b\u3001\u307b\u307c\u5e38\u306bIPsec\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002L2TP\u304c2\u70b9\u9593\u3067\u30c7\u30fc\u30bf\u3092\u79fb\u52d5\u3055\u305b\u308b\u305f\u3081\u306e\u30c8\u30f3\u30cd\u30eb\u3092\u4f5c\u6210\u3059\u308b\u4e00\u65b9\u3067\u3001\u6697\u53f7\u5316\u3068\u8a8d\u8a3c\u3068\u3044\u3046\u91cd\u3044\u51e6\u7406\u306fIPsec\u304c\u62c5\u5f53\u3057\u307e\u3059\u3002\u3053\u306e\u7d44\u307f\u5408\u308f\u305b\u306f\u9577\u5e74\u3001\u4f01\u696d\u306e\u30c6\u30ec\u30ef\u30fc\u30af\uff08\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9\uff09\u306e\u6a19\u6e96\u3067\u3042\u308a\u3001\u73fe\u5728\u3082\u975e\u5e38\u306b\u4e92\u63db\u6027\u306e\u9ad8\u3044\u9078\u629e\u80a2\u3068\u3057\u3066\u6b8b\u3063\u3066\u3044\u307e\u3059\u3002L2TP\/IPsec\u306f\u3001\u53e4\u3044Windows\u304b\u3089\u6700\u65b0\u306e\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306b\u81f3\u308b\u307e\u3067\u3001\u5b9f\u8cea\u7684\u306b\u3059\u3079\u3066\u306e\u73fe\u4ee3\u7684\u306aOS\u3067\u30cd\u30a4\u30c6\u30a3\u30d6\u306b\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5236\u9650\u3055\u308c\u3066\u3044\u308b\u3001\u3042\u308b\u3044\u306f\u4e0d\u53ef\u80fd\u306a\u30c7\u30d0\u30a4\u30b9\u3067VPN\u63a5\u7d9a\u3092\u78ba\u7acb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3001\u3057\u3070\u3057\u3070\u6709\u529b\u306a\u9078\u629e\u80a2\u3068\u306a\u308a\u307e\u3059\u3002\n\n\u6280\u8853\u7684\u306a\u8996\u70b9\u3067\u306f\u3001L2TP\/IPsec\u306e\u6700\u3082\u6c7a\u5b9a\u7684\u306a\u7279\u5fb4\u306f\u300c\u4e8c\u91cd\u30ab\u30d7\u30bb\u30eb\u5316\uff08double-encapsulation\uff09\u300d\u30d7\u30ed\u30bb\u30b9\u306b\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u69cb\u6210\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306f\u307e\u305aL2TP\u30d1\u30b1\u30c3\u30c8\u306b\u5305\u307e\u308c\u3001\u6b21\u306b\u6697\u53f7\u5316\u306e\u305f\u3081\u306bIPsec\u30d1\u30b1\u30c3\u30c8\u3067\u518d\u3073\u5305\u307e\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u5f37\u529b\u306a\u4fdd\u8b77\u30ec\u30a4\u30e4\u30fc\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001\u540c\u6642\u306b\u5927\u304d\u306a\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\uff08\u51e6\u7406\u8ca0\u8377\uff09\u3092\u4f34\u3044\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u30922\u56de\u51e6\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081\u3001L2TP\/IPsec\u306f\u4e00\u822c\u7684\u306bWireGuard\u3084IKEv2\u306e\u3088\u3046\u306a\u8efd\u91cf\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u3088\u308a\u3082\u4f4e\u901f\u3067\u3001CPU\u8ca0\u8377\u3082\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u306e\u4f4e\u4e0b\u3084\u30ec\u30a4\u30c6\u30f3\u30b7\u306e\u5897\u5927\u3092\u62db\u304f\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u30b2\u30fc\u30e0\u30844K\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u306e\u3088\u3046\u306a\u9ad8\u901f\u306a\u30bf\u30b9\u30af\u306b\u306f\u4e0d\u5411\u304d\u3067\u3059\u304c\u3001\u6a19\u6e96\u7684\u306a\u30a6\u30a7\u30d6\u95b2\u89a7\u3084\u6587\u66f8\u5171\u6709\u306b\u306f\u73fe\u5728\u3082\u5341\u5206\u306b\u8010\u3048\u3046\u308b\u6027\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\"L2TP\/IPsec\u306e\u4ed5\u7d44\u307f\"
L2TP\/IPsec\u306e\u4ed5\u7d44\u307f<\/figcaption><\/figure>\n\n\n\n

\u73fe\u4ee3\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u74b0\u5883\u306b\u304a\u3044\u3066L2TP\/IPsec\u304c\u76f4\u9762\u3057\u3066\u3044\u308b\u4e3b\u306a\u8ab2\u984c\u306e\u4e00\u3064\u306f\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306b\u3088\u3063\u3066\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3084\u3059\u3044\u3068\u3044\u3046\u70b9\u3067\u3059\u3002\u3053\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u901a\u5e38\u3001UDP 500\u3084UDP 4500\u3068\u3044\u3063\u305f\u56fa\u5b9a\u30dd\u30fc\u30c8\u306b\u4f9d\u5b58\u3057\u3066\u304a\u308a\u3001\u3053\u308c\u3089\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u8005\u3084\u653f\u5e9c\u306e\u691c\u95b2\u6a5f\u95a2\u304c\u30c7\u30a3\u30fc\u30d7\u30fb\u30d1\u30b1\u30c3\u30c8\u30fb\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\uff08DPI\uff09\u3092\u7528\u3044\u3066\u5bb9\u6613\u306b\u8b58\u5225\u30fb\u5236\u9650\u3067\u304d\u308b\u3082\u306e\u3067\u3059\u3002\u4e00\u822c\u7684\u306a\u30a6\u30a7\u30d6\u30dd\u30fc\u30c8\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u96a0\u853d\u3067\u304d\u308bOpenVPN\u3068\u306f\u7570\u306a\u308a\u3001L2TP\/IPsec\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3067\u306e\u5b58\u5728\u611f\u304c\u5f37\u304f\u3001\u30b9\u30c6\u30eb\u30b9\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u305b\u3093\u3002\u3053\u306e\u3088\u3046\u306a\u5236\u9650\u3084\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u8001\u673d\u5316\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001L2TP\/IPsec\u306f\u305d\u306e\u666e\u904d\u7684\u306a\u4e92\u63db\u6027\u3068\u3001\u4f4e\u901f\u306a\u304c\u3089\u3082VPN\u754c\u306e\u4fe1\u983c\u3067\u304d\u308b\u30d9\u30c6\u30e9\u30f3\u3068\u3057\u3066\u306e\u5730\u4f4d\u306b\u3088\u308a\u3001\u4e16\u754c\u4e2d\u3067\u5229\u7528\u3055\u308c\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

VPN\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u9032\u5316\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u305d\u306e\u3082\u306e\u306e\u5e83\u5927\u306a\u6b74\u53f2\u3092\u53cd\u6620\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u901f\u5ea6\u3001\u305d\u3057\u3066\u4e92\u63db\u6027\u306e\u9593\u3067\u884c\u308f\u308c\u308b\u7d76\u3048\u9593\u306a\u3044\u30d0\u30e9\u30f3\u30b9\u8abf\u6574\u306e\u6b74\u53f2\u3067\u3059\u3002L2TP\/IPsec\u306e\u3088\u3046\u306a\u30ec\u30ac\u30b7\u30fc\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u53e4\u3044\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3078\u306e\u67b6\u3051\u6a4b\u3068\u306a\u308a\u3001OpenVPN\u304c\u691c\u95b2\u56de\u907f\u306e\u305f\u3081\u306e\u300c\u30b9\u30a4\u30b9\u30a2\u30fc\u30df\u30fc\u30ca\u30a4\u30d5\u300d\u3067\u3042\u308a\u7d9a\u3051\u308b\u4e00\u65b9\u3067\u3001\u696d\u754c\u306f\u660e\u3089\u304b\u306b\u3001\u3088\u308a\u52b9\u7387\u7684\u306a\u672a\u6765\u3078\u3068\u5411\u304b\u3063\u3066\u3044\u307e\u3059\u3002IKEv2\/IPsec\u306f\u79fb\u52d5\u4e2d\u306e\u5b89\u5b9a\u6027\u3092\u6c42\u3081\u308b\u30e2\u30d0\u30a4\u30eb\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u306e\u30d2\u30fc\u30ed\u30fc\u3067\u3042\u308a\u7d9a\u3051\u3066\u3044\u307e\u3059\u304c\u3001WireGuard\u306f\u6c7a\u5b9a\u7684\u306a\u30b2\u30fc\u30e0\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u3068\u3057\u3066\u767b\u5834\u3057\u307e\u3057\u305f\u3002\u6700\u5148\u7aef\u306e\u6697\u53f7\u6280\u8853\u3068\u30df\u30cb\u30de\u30ea\u30b9\u30c8\u306a\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001WireGuard\u306f\u30bb\u30ad\u30e5\u30a2\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u304c\u9045\u304f\u3066\u8907\u96d1\u3067\u3042\u308b\u5fc5\u8981\u306f\u306a\u3044\u3053\u3068\u3092\u8a3c\u660e\u3057\u3066\u3044\u307e\u3059\u3002\n\n\u7d50\u5c40\u306e\u3068\u3053\u308d\u3001\u3042\u3089\u3086\u308b\u72b6\u6cc1\u306b\u5bfe\u5fdc\u3059\u308b\u552f\u4e00\u306e\u300c\u6700\u9069\u300d\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002\u6b63\u3057\u3044\u9078\u629e\u306f\u3001\u7279\u5b9a\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3001\u901f\u5ea6\u3078\u306e\u30cb\u30fc\u30ba\u3001\u305d\u3057\u3066\u514b\u670d\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u691c\u95b2\u306e\u30ec\u30d9\u30eb\u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30c7\u30b8\u30bf\u30eb\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u3044\u3046\u540d\u306e\u300c\u53d6\u6271\u8aac\u660e\u66f8\u300d\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5b8c\u5168\u306b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3059\u308b\u3053\u3068\u306b\u7e4b\u304c\u308a\u307e\u3059\u3002<\/p>","protected":false},"excerpt":{"rendered":"

VPN\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u3068VPN\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u65b9\u6cd5\u3092\u6b63\u78ba\u306b\u5b9a\u7fa9\u3059\u308b\u3001\u6a19\u6e96\u5316\u3055\u308c\u305f\u4e00\u9023\u306e\u30eb\u30fc\u30eb\u3068\u547d\u4ee4\u30bb\u30c3\u30c8\u3067\u3059\u3002\u5b89\u5168\u306a\u30c8\u30f3\u30cd\u30eb\u306e\u300c\u53d6\u6271\u8aac\u660e\u66f8\u300d\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u6697\u53f7\u5316\u3001\u8a8d\u8a3c\u3001\u30c7\u30fc\u30bf\u6574\u5408\u6027\u306e\u5177\u4f53\u7684\u306a\u65b9\u6cd5\u3092\u5b9a\u3081\u307e\u3059\u3002VPN\u81ea\u4f53\u304c\u63a5\u7d9a\u3092\u4f5c\u6210\u3059\u308b\u4e00\u65b9\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u901f\u5ea6\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u5b89\u5b9a\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u4e00\u90e8\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u6700\u5927\u9650\u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u5f37\u529b\u306a\u6697\u53f7\u5316\u3092\u512a\u5148\u3059\u308b\u4e00\u65b9\u3001\u4ed6\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3084\u30b2\u30fc\u30e0\u5411\u3051\u306b\u6700\u901f\u306e\u901f\u5ea6\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u306b\u91cd\u70b9\u3092\u7f6e\u304d\u307e\u3059\u3002\u4e00\u822c\u7684\u306aVPN\u30d7\u30ed\u30c8\u30b3\u30eb \u5404\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u7570\u306a\u308b\u6697\u53f7\u6280\u8853\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u6700\u3082\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u308b\u3082\u306e\u306e\u5185\u8a33\u3067\u3059\u3002\u30d7\u30ed\u30c8\u30b3\u30eb \u4e3b\u306a\u7279\u5fb4\u3068\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9 WireGuard \u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u304c\u5c0f\u3055\u304f\u3001\u901f\u5ea6\u306b\u512a\u308c\u305f\u30e2\u30c0\u30f3\u306a\u6a19\u6e96\u3002\u9ad8\u6027\u80fd\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u3068\u4f4e\u9045\u5ef6\u306b\u6700\u9069\u3002 OpenVPN 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\u53e4\u3044\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u4e00\u822c\u7684\u306b\u306f\u4f4e\u901f\u3067\u3059\u304c\u3001\u30ec\u30ac\u30b7\u30fc\u30b7\u30b9\u30c6\u30e0\u3084\u53e4\u3044\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3067\u57fa\u672c\u7684\u306a\u4e92\u63db\u6027\u306e\u305f\u3081\u306b\u4eca\u3067\u3082\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002 WireGuard\uff1a\u30bb\u30ad\u30e5\u30a2\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u306e\u30e2\u30c0\u30f3\u306a\u6a19\u6e96 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