{"id":5905,"date":"2025-09-23T15:50:20","date_gmt":"2025-09-23T06:50:20","guid":{"rendered":"https:\/\/sky-peace.net\/?p=5905"},"modified":"2025-09-23T15:50:20","modified_gmt":"2025-09-23T06:50:20","slug":"nw-sp-1","status":"publish","type":"post","link":"https:\/\/sky-peace.net\/certified\/nw-sp-1\/","title":{"rendered":"NW\u8a66\u9a13 \u5348\u5f8c\u554f\u984c\u306e\u9375\u3092\u63e1\u308b\uff01DNS\u30fbIPsec\u306a\u3069\u6700\u91cd\u8981\u6280\u8853\u306e\u4ed5\u7d44\u307f\u3068\u554f\u308f\u308c\u65b9"},"content":{"rendered":"

<\/p>\n

\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u30da\u30b7\u30e3\u30ea\u30b9\u30c8\u8a66\u9a13\u3001\u7279\u306b\u8a18\u8ff0\u5f0f\u306e\u5348\u5f8c\u554f\u984c\u3067\u300c\u3042\u3068\u4e00\u6b69\u304c\u5c4a\u304b\u306a\u3044\u2026\u300d\u305d\u3093\u306a\u60a9\u307f\u3092\u62b1\u3048\u3066\u3044\u307e\u305b\u3093\u304b\uff1f\u305d\u306e\u58c1\u3092\u7a81\u7834\u3059\u308b\u9375\u306f\u3001\u5358\u306a\u308b\u77e5\u8b58\u306e\u6697\u8a18\u3067\u306f\u306a\u304f\u3001\u983b\u51fa\u6280\u8853\u306e\u672c\u8cea\u7684\u306a\u7406\u89e3<\/strong>\u306b\u3042\u308a\u307e\u3059\u3002DNS\u3001IPsec\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3001OSPF\u3001SSL\/TLS\u2015\u2015\u3053\u308c\u3089\u306e\u6280\u8853\u306f\u3001\u73fe\u4ee3\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b7\u30b9\u30c6\u30e0\u3092\u652f\u3048\u308b\u6839\u5e79\u3067\u3042\u308a\u3001\u5f53\u7136\u306a\u304c\u3089\u5348\u5f8c\u8a66\u9a13\u3067\u3082\u305d\u306e\u5fdc\u7528\u529b\u304c\u53b3\u3057\u304f\u554f\u308f\u308c\u307e\u3059\u3002<\/p>\n

\u672c\u8a18\u4e8b\u3067\u306f\u3001\u904e\u53bb10\u5e74\u4ee5\u4e0a\u306e\u51fa\u984c\u50be\u5411\u3092\u5206\u6790\u3057\u3001\u7279\u306b\u51fa\u984c\u56de\u6570\u306e\u591a\u3044\u3053\u308c\u3089\u300c\u30c8\u30c3\u30d75\u6280\u8853\u300d<\/strong>\u306b\u7126\u70b9\u3092\u7d5e\u308a\u307e\u3057\u305f\u3002\u305d\u308c\u305e\u308c\u306e\u6280\u8853\u304c\u300c\u306a\u305c\u91cd\u8981\u306a\u306e\u304b\u300d\u300c\u5348\u5f8c\u554f\u984c\u306e\u30b7\u30ca\u30ea\u30aa\u3067\u3069\u306e\u3088\u3046\u306b\u554f\u308f\u308c\u308b\u306e\u304b\u300d\u3092\u3001\u8c4a\u5bcc\u306a\u56f3\u89e3\u3068\u5177\u4f53\u7684\u306a\u8a2d\u5b9a\u4f8b\u3092\u4ea4\u3048\u3066\u5fb9\u5e95\u89e3\u8aac\u3057\u307e\u3059\u3002\u5358\u306a\u308b\u7528\u8a9e\u89e3\u8aac\u306b\u7559\u307e\u3089\u305a\u3001\u77e5\u8b58\u3092\u5f97\u70b9\u529b\u306b\u5909\u3048\u308b\u305f\u3081\u306e\u601d\u8003\u30d7\u30ed\u30bb\u30b9<\/strong>\u307e\u3067\u8e0f\u307f\u8fbc\u3080\u306e\u304c\u3053\u306e\u8a18\u4e8b\u306e\u30b4\u30fc\u30eb\u3067\u3059\u3002<\/p>\n

\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u307f\u7d42\u3048\u308b\u9803\u306b\u306f\u3001\u70b9\u3068\u70b9\u3067\u3057\u304b\u306a\u304b\u3063\u305f\u77e5\u8b58\u304c\u6709\u6a5f\u7684\u306a\u7dda\u3068\u3057\u3066\u7e4b\u304c\u308a\u3001\u96e3\u89e3\u306b\u898b\u3048\u305f\u9577\u6587\u554f\u984c\u3082\u81ea\u4fe1\u3092\u6301\u3063\u3066\u8aad\u307f\u89e3\u3051\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u306f\u305a\u3067\u3059\u3002\u5408\u683c\u3078\u306e\u6700\u77ed\u30eb\u30fc\u30c8\u3092\u3001\u3053\u3053\u304b\u3089\u4e00\u7dd2\u306b\u6b69\u307f\u59cb\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n

\n

1. \u3010DNS\u3011\u540d\u524d\u89e3\u6c7a\u306e\u88cf\u5074\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u2502\u30ea\u30d5\u30ec\u30af\u30bf\u653b\u6483\u30fbDNSSEC\u5bfe\u7b56<\/h2>\n

Web\u30b5\u30a4\u30c8\u306e\u95b2\u89a7\u304b\u3089\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u307e\u3067\u3001\u79c1\u305f\u3061\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u5229\u7528\u3059\u308b\u4e0a\u3067\u6b20\u304b\u305b\u306a\u3044\u306e\u304cDNS\uff08Domain Name System\uff09\u3067\u3059\u3002\u3053\u308c\u306f\u3001www.example.com<\/code> \u306e\u3088\u3046\u306a\u4eba\u9593\u304c\u899a\u3048\u3084\u3059\u3044\u300c\u30c9\u30e1\u30a4\u30f3\u540d\u300d\u3068\u3001192.0.2.1<\/code> \u306e\u3088\u3046\u306a\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304c\u901a\u4fe1\u306b\u4f7f\u3046\u300cIP\u30a2\u30c9\u30ec\u30b9\u300d\u3092\u76f8\u4e92\u306b\u5909\u63db\u3059\u308b\u3001\u3044\u308f\u3070\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e16\u754c\u306e\u5de8\u5927\u306a\u4f4f\u6240\u9332<\/strong>\u306e\u5f79\u5272\u3092\u62c5\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u30da\u30b7\u30e3\u30ea\u30b9\u30c8\u306e\u5348\u5f8c\u8a66\u9a13\u3067\u306f\u3001\u3053\u306e\u57fa\u672c\u7684\u306a\u540d\u524d\u89e3\u6c7a\u306e\u4ed5\u7d44\u307f\u306f\u3082\u3061\u308d\u3093\u306e\u3053\u3068\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u8105\u304b\u3059\u653b\u6483\u624b\u6cd5\u3084\u3001\u305d\u308c\u306b\u5bfe\u3059\u308b\u9632\u5fa1\u7b56\u307e\u3067\u6df1\u304f\u554f\u308f\u308c\u307e\u3059\u3002<\/p>\n

DNS\u306e\u57fa\u672c\u6a5f\u80fd\u3068\u91cd\u8981\u30ec\u30b3\u30fc\u30c9<\/h3>\n

DNS\u306f\u3001\u554f\u3044\u5408\u308f\u305b\u5185\u5bb9\u306b\u5fdc\u3058\u3066\u69d8\u3005\u306a\u7a2e\u985e\u306e\u60c5\u5831\uff08\u30ec\u30b3\u30fc\u30c9\uff09\u3092\u8fd4\u3057\u307e\u3059\u3002\u7279\u306b\u5348\u5f8c\u554f\u984c\u3067\u983b\u51fa\u3059\u308b\u4e3b\u8981\u306a\u30ec\u30b3\u30fc\u30c9\u306f\u5fc5\u305a\u62bc\u3055\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n\n\n\n\n\n\n
\u30ec\u30b3\u30fc\u30c9\u7a2e\u5225<\/th>\n\u6b63\u5f0f\u540d\u79f0<\/th>\n\u4e3b\u306a\u5f79\u5272\u3068\u76ee\u7684<\/th>\n<\/tr>\n<\/thead>\n
A<\/strong><\/td>\nAddress Record<\/td>\n\u30c9\u30e1\u30a4\u30f3\u540d\u304b\u3089 IPv4\u30a2\u30c9\u30ec\u30b9<\/strong> \u3092\u5f97\u308b\uff08\u6b63\u5f15\u304d\uff09\u3002\u6700\u3082\u57fa\u672c\u7684\u306a\u30ec\u30b3\u30fc\u30c9\u3002<\/td>\n<\/tr>\n
AAAA<\/strong><\/td>\nAAAA Record<\/td>\n\u30c9\u30e1\u30a4\u30f3\u540d\u304b\u3089 IPv6\u30a2\u30c9\u30ec\u30b9<\/strong> \u3092\u5f97\u308b\u3002A\u30ec\u30b3\u30fc\u30c9\u306eIPv6\u7248\u3002<\/td>\n<\/tr>\n
PTR<\/strong><\/td>\nPointer Record<\/td>\nIP\u30a2\u30c9\u30ec\u30b9\u304b\u3089 \u30c9\u30e1\u30a4\u30f3\u540d<\/strong> \u3092\u5f97\u308b\uff08\u9006\u5f15\u304d\uff09\u3002<\/td>\n<\/tr>\n
NS<\/strong><\/td>\nName Server Record<\/td>\n\u305d\u306e\u30c9\u30e1\u30a4\u30f3\u3092\u7ba1\u7406\u3059\u308bDNS\u30b5\u30fc\u30d0\uff08\u6a29\u5a01DNS\u30b5\u30fc\u30d0\uff09\u306e\u540d\u524d\u3092\u793a\u3059\u3002<\/td>\n<\/tr>\n
MX<\/strong><\/td>\nMail Exchanger Record<\/td>\n\u305d\u306e\u30c9\u30e1\u30a4\u30f3\u5b9b\u306e\u30e1\u30fc\u30eb\u3092\u914d\u9001\u3059\u3079\u304d\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306e\u540d\u524d\u3092\u793a\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5348\u5f8c\u554f\u984c\u3067\u554f\u308f\u308c\u308bDNS\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/h3>\n

\u4fbf\u5229\u306aDNS\u3067\u3059\u304c\u3001\u305d\u306e\u4ed5\u7d44\u307f\u3092\u60aa\u7528\u3057\u305f\u653b\u6483\u3082\u5f8c\u3092\u7d76\u3061\u307e\u305b\u3093\u3002\u7279\u306b\u300c\u30ad\u30e3\u30c3\u30b7\u30e5\u30dd\u30a4\u30ba\u30cb\u30f3\u30b0\u300d\u3068\u300c\u30ea\u30d5\u30ec\u30af\u30bf\u653b\u6483\u300d\u306f\u983b\u51fa\u3067\u3059\u3002<\/p>\n

DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u30dd\u30a4\u30ba\u30cb\u30f3\u30b0<\/h4>\n

\u653b\u6483\u8005\u304cDNS\u30ad\u30e3\u30c3\u30b7\u30e5\u30b5\u30fc\u30d0\u306b\u507d\u306eDNS\u5fdc\u7b54\u3092\u9001\u308a\u8fbc\u307f\u3001\u60c5\u5831\u3092\u6c5a\u67d3\u3055\u305b\u308b\u653b\u6483\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u6b63\u898f\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u30e6\u30fc\u30b6\u30fc\u3092\u3001\u610f\u56f3\u305b\u305a\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30b5\u30a4\u30c8\u306a\u3069\u306e\u60aa\u610f\u3042\u308b\u30b5\u30fc\u30d0\u3078\u8a98\u5c0e\u3057\u307e\u3059\u3002<\/p>\n

DNS\u30ea\u30d5\u30ec\u30af\u30bf\u653b\u6483\uff08DNS\u5897\u5e45\u653b\u6483\uff09<\/h4>\n

DDoS\u653b\u6483\u306e\u4e00\u7a2e\u3067\u3059\u3002\u653b\u6483\u8005\u306f\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u3092\u653b\u6483\u5bfe\u8c61\uff08\u30bf\u30fc\u30b2\u30c3\u30c8\uff09\u306e\u3082\u306e\u306b\u507d\u88c5\u3057\u3001\u591a\u6570\u306e\u30aa\u30fc\u30d7\u30f3\u30ea\u30be\u30eb\u30d0\uff08\u8ab0\u304b\u3089\u306e\u554f\u3044\u5408\u308f\u305b\u306b\u3082\u5fdc\u7b54\u3059\u308bDNS\u30b5\u30fc\u30d0\uff09\u3078DNS\u30af\u30a8\u30ea\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u7d50\u679c\u3068\u3057\u3066\u3001DNS\u30b5\u30fc\u30d0\u304b\u3089\u306e\u81a8\u5927\u306a\u5fdc\u7b54\u30d1\u30b1\u30c3\u30c8\u304c\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u306e\u30de\u30b7\u30f3\u306b\u4e00\u6589\u306b\u9001\u308a\u3064\u3051\u3089\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n

DNSSEC\u306b\u3088\u308b\u5b8c\u5168\u6027\u78ba\u4fdd\u306e\u6d41\u308c<\/h3>\n

\u3053\u3046\u3057\u305f\u8105\u5a01\u306b\u5bfe\u3057\u3001DNS\u5fdc\u7b54\u306e\u300c\u6b63\u5f53\u6027\u300d\u3092\u4fdd\u8a3c\u3059\u308b\u306e\u304c DNSSEC\uff08DNS Security Extensions\uff09<\/strong> \u3067\u3059\u3002DNSSEC\u306f\u516c\u958b\u9375\u6697\u53f7\u6280\u8853\u3092\u5229\u7528\u3057\u3066DNS\u30ec\u30b3\u30fc\u30c9\u306b\u30c7\u30b8\u30bf\u30eb\u7f72\u540d<\/strong>\u3092\u4ed8\u4e0e\u3057\u307e\u3059\u3002<\/p>\n

\u30e6\u30fc\u30b6\u30fc\u5074\u306eDNS\u30b5\u30fc\u30d0\uff08\u30d5\u30eb\u30b5\u30fc\u30d3\u30b9\u30ea\u30be\u30eb\u30d0\uff09\u306f\u3001\u53d7\u3051\u53d6\u3063\u305fDNS\u5fdc\u7b54\u306e\u7f72\u540d\u3092\u691c\u8a3c\u3059\u308b\u3053\u3068\u3067\u3001\u300c\u305d\u306e\u5fdc\u7b54\u304c\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u304b\u3089\u9001\u3089\u308c\u305f\u672c\u7269\u3067\u3042\u308b\u3053\u3068\u300d\u305d\u3057\u3066\u300c\u9014\u4e2d\u3067\u6539\u3056\u3093\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u300d\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u30dd\u30a4\u30ba\u30cb\u30f3\u30b0\u306e\u3088\u3046\u306a\u653b\u6483\u3092\u9632\u3050\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u5b66\u7fd2\u306e\u30dd\u30a4\u30f3\u30c8<\/h3>\n

DNS\u5206\u91ce\u3092\u653b\u7565\u3059\u308b\u306b\u306f\u3001\u5404\u30ec\u30b3\u30fc\u30c9\u306e\u5f79\u5272\u3092\u6b63\u78ba\u306b\u899a\u3048\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u300c\u306a\u305c\u3053\u306e\u8a2d\u5b9a\u304c\u5fc5\u8981\u306a\u306e\u304b\u300d\u3092\u8003\u3048\u308b\u7656\u3092\u3064\u3051\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u300c\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u300d\u3068\u3044\u3046\u30c8\u30e9\u30d6\u30eb\u306b\u5bfe\u3057\u3001MX\u30ec\u30b3\u30fc\u30c9\u3084A\u30ec\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a\u4e0d\u5099\u3092\u7591\u3046\u3001\u3068\u3044\u3063\u305f\u5b9f\u8df5\u7684\u306a\u601d\u8003\u529b\u304c\u554f\u308f\u308c\u307e\u3059\u3002\u30be\u30fc\u30f3\u30d5\u30a1\u30a4\u30eb\u306e\u8a2d\u5b9a\u4f8b\u3092\u8aad\u307f\u89e3\u304d\u3001\u69cb\u6210\u306e\u610f\u56f3\u3092\u8aac\u660e\u3067\u304d\u308b\u30ec\u30d9\u30eb\u3092\u76ee\u6307\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n

\n

2. \u3010IPsec\u3011VPN\u306e\u6839\u5e79\u6280\u8853\u2502AH\/ESP\u30fb2\u3064\u306e\u30e2\u30fc\u30c9\u3092\u653b\u7565<\/h2>\n

\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u3088\u3046\u306a\u4fe1\u983c\u6027\u306e\u4f4e\u3044\u516c\u8846\u7db2\u3092\u7d4c\u7531\u3057\u3066\u3001\u3042\u305f\u304b\u3082\u5c02\u7528\u7dda\u306e\u3088\u3046\u306b\u5b89\u5168\u306a\u901a\u4fe1\u8def\u3092\u69cb\u7bc9\u3059\u308b\u6280\u8853\u304cVPN\uff08Virtual Private Network\uff09\u3067\u3059\u3002\u305d\u306eVPN\u3092\u5b9f\u73fe\u3059\u308b\u4ee3\u8868\u7684\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u304c IPsec (Security Architecture for Internet Protocol)<\/strong> \u3067\u3059\u3002<\/p>\n

IPsec\u306f\u3001IP\u30d1\u30b1\u30c3\u30c8\u5358\u4f4d\u3067\u300c\u76d7\u8074\uff08\u6697\u53f7\u5316\uff09<\/strong>\u300d\u300c\u6539\u3056\u3093\u691c\u77e5\uff08\u5b8c\u5168\u6027\uff09<\/strong>\u300d\u300c\u306a\u308a\u3059\u307e\u3057\u9632\u6b62\uff08\u8a8d\u8a3c\uff09<\/strong>\u300d\u3068\u3044\u3063\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\uff08OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306e\u7b2c3\u5c64\uff09\u3067\u52d5\u4f5c\u3059\u308b\u70b9\u304c\u5927\u304d\u306a\u7279\u5fb4\u3067\u3059\u3002<\/p>\n

IPsec\u304c\u5b9f\u73fe\u3059\u308b\u30bb\u30ad\u30e5\u30a2\u306a\u901a\u4fe1\u3068\u306f<\/h3>\n

IPsec\u306f\u3001\u4e3b\u306b2\u3064\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/p>\n

    \n
  • AH (Authentication Header)<\/strong>
    \n\u9001\u4fe1\u5143\u306e\u8a8d\u8a3c\u3068\u3001\u30c7\u30fc\u30bf\u304c\u6539\u3056\u3093\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\uff08\u5b8c\u5168\u6027\uff09\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30d1\u30b1\u30c3\u30c8\u306e\u6697\u53f7\u5316\u306f\u884c\u3044\u307e\u305b\u3093<\/strong>\u3002\u901a\u4fe1\u5185\u5bb9\u305d\u306e\u3082\u306e\u306f\u5e73\u6587\u3067\u6d41\u308c\u308b\u305f\u3081\u3001\u300c\u30c7\u30fc\u30bf\u306e\u4e2d\u8eab\u3092\u898b\u3089\u308c\u3066\u3082\u69cb\u308f\u306a\u3044\u304c\u3001\u9001\u4fe1\u8005\u304c\u6b63\u3057\u304f\u3001\u6539\u3056\u3093\u304c\u306a\u3044\u3053\u3068\u3060\u3051\u306f\u78ba\u8a8d\u3057\u305f\u3044\u300d\u3068\u3044\u3046\u9650\u5b9a\u7684\u306a\u72b6\u6cc1\u3067\u5229\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n
  • ESP (Encapsulating Security Payload)<\/strong>
    \nAH\u304c\u6301\u3064\u8a8d\u8a3c\u30fb\u5b8c\u5168\u6027\u306e\u6a5f\u80fd\u306b\u52a0\u3048\u3066\u3001\u30c7\u30fc\u30bf\u306e\u6697\u53f7\u5316\u6a5f\u80fd<\/strong>\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u73fe\u5728\u3067\u306f\u8a8d\u8a3c\u6a5f\u80fd\u3082ESP\u306b\u542b\u307e\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u300c\u6697\u53f7\u5316\u300d\u3068\u300c\u8a8d\u8a3c\u300d\u306e\u4e21\u65b9\u304c\u5fc5\u8981\u306a\u5834\u9762\u3067\u4f7f\u308f\u308c\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3042\u308a\u3001IPsec\u306e\u4e2d\u5fc3\u7684\u306a\u30d7\u30ed\u30c8\u30b3\u30eb<\/strong>\u3068\u8a00\u3048\u307e\u3059\u3002<\/li>\n<\/ul>\n

    \u30c8\u30f3\u30cd\u30eb\u30e2\u30fc\u30c9\u3068\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30e2\u30fc\u30c9\u306e\u4f7f\u3044\u5206\u3051<\/h3>\n

    IPsec\u306b\u306f\u3001\u901a\u4fe1\u306e\u3069\u306e\u7bc4\u56f2\u3092\u4fdd\u8b77\u3059\u308b\u304b\u306b\u3088\u3063\u30662\u3064\u306e\u52d5\u4f5c\u30e2\u30fc\u30c9\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u9055\u3044\u306f\u5348\u5f8c\u554f\u984c\u3067\u983b\u7e41\u306b\u554f\u308f\u308c\u308b\u6700\u91cd\u8981\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<\/p>\n

      \n
    • \u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30e2\u30fc\u30c9<\/strong>
      \n\u5143\u306eIP\u30d1\u30b1\u30c3\u30c8\u306e\u30d8\u30c3\u30c0\u306f\u305d\u306e\u307e\u307e\u5229\u7528\u3057\u3001\u30c7\u30fc\u30bf\u90e8\u5206\uff08\u30da\u30a4\u30ed\u30fc\u30c9\uff09\u306e\u307f\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002\u4e3b\u306b\u901a\u4fe1\u3092\u884c\u3046\u7aef\u672b\u540c\u58eb\uff08PC\u3068\u30b5\u30fc\u30d0\u9593\u306a\u3069\uff09<\/strong>\u3067\u76f4\u63a5\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3059\u308b\u5834\u5408\u306b\u5229\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n
    • \u30c8\u30f3\u30cd\u30eb\u30e2\u30fc\u30c9<\/strong>
      \n\u5143\u306eIP\u30d1\u30b1\u30c3\u30c8\u5168\u4f53\uff08\u30d8\u30c3\u30c0\uff0b\u30c7\u30fc\u30bf\uff09\u3092\u4e38\u3054\u3068\u30ab\u30d7\u30bb\u30eb\u5316\u3057\u3001\u305d\u308c\u306b\u65b0\u3057\u3044IP\u30d8\u30c3\u30c0\u3092\u4ed8\u4e0e\u3057\u307e\u3059\u3002\u4e3b\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u51fa\u5165\u308a\u53e3\u3068\u306a\u308b\u30eb\u30fc\u30bf\u3084\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u9593<\/strong>\u3067VPN\u3092\u69cb\u7bc9\u3057\u30012\u3064\u306e\u62e0\u70b9\uff08\u4f8b\uff1a\u672c\u793e\u3068\u652f\u793e\uff09\u3092\u5b89\u5168\u306b\u63a5\u7d9a\u3059\u308b\u5834\u5408\u306b\u5229\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n

      \u9375\u4ea4\u63db\u306e\u4e3b\u5f79\u300cIKE\u300d\u306e\u4ed5\u7d44\u307f<\/h3>\n

      IPsec\u3067\u901a\u4fe1\u3092\u958b\u59cb\u3059\u308b\u524d\u306b\u306f\u3001\u6697\u53f7\u5316\u306b\u4f7f\u3046\u9375\u3084\u8a8d\u8a3c\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306a\u3069\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u95a2\u3059\u308b\u69d8\u3005\u306a\u53d6\u308a\u6c7a\u3081\uff08SA\uff1aSecurity Association\uff09\u3092\u3001\u901a\u4fe1\u76f8\u624b\u3068\u5b89\u5168\u306b\u4ea4\u63db\u30fb\u5408\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8907\u96d1\u306a\u4e8b\u524d\u4ea4\u6e09\u3092\u81ea\u52d5\u7684\u306b\u884c\u3063\u3066\u304f\u308c\u308b\u306e\u304c IKE (Internet Key Exchange)<\/strong> \u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002<\/p>\n

      IKE\u306f\u4ee5\u4e0b\u306e2\u6bb5\u968e\u306e\u30d5\u30a7\u30fc\u30ba\u3067\u3001\u5b89\u5168\u6027\u3092\u6bb5\u968e\u7684\u306b\u78ba\u4fdd\u3057\u306a\u304c\u3089\u9375\u4ea4\u63db\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n

        \n
      1. \u30d5\u30a7\u30fc\u30ba1<\/strong>: \u307e\u305a\u3001\u4ee5\u964d\u306e\u4ea4\u6e09\u3092\u5b89\u5168\u306b\u884c\u3046\u305f\u3081\u306e\u4fdd\u8b77\u3055\u308c\u305f\u901a\u4fe1\u8def\uff08IKE SA\uff09\u3092\u78ba\u7acb\u3057\u307e\u3059\u3002<\/li>\n
      2. \u30d5\u30a7\u30fc\u30ba2<\/strong>: \u30d5\u30a7\u30fc\u30ba1\u3067\u78ba\u7acb\u3057\u305f\u901a\u4fe1\u8def\u3092\u4f7f\u3063\u3066\u3001\u5b9f\u969b\u306b\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306e\u53d6\u308a\u6c7a\u3081\uff08IPsec SA\uff09\u3092\u8907\u6570\u78ba\u7acb\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n

        \u5b66\u7fd2\u306e\u30dd\u30a4\u30f3\u30c8<\/h3>\n

        IPsec\u3092\u7406\u89e3\u3059\u308b\u9375\u306f\u3001\u300c\u8ab0\u3068\u8ab0\u306e\u9593<\/strong>\u306e\u300d\u300c\u3069\u306e\u7bc4\u56f2\u306e\u901a\u4fe1<\/strong>\u3092\u300d\u300c\u3069\u306e\u3088\u3046\u306b\u5b88\u308a\u305f\u3044\u306e\u304b<\/strong>\u300d\u3092\u5e38\u306b\u610f\u8b58\u3059\u308b\u3053\u3068\u3067\u3059\u3002PC\u9593\u306e\u901a\u4fe1\u306a\u306e\u304b\u3001\u62e0\u70b9\u9593\u306e\u901a\u4fe1\u306a\u306e\u304b\u306b\u3088\u3063\u3066\u3001\u9078\u629e\u3059\u3079\u304d\u30e2\u30fc\u30c9\u306f\u660e\u78ba\u306b\u5909\u308f\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u73fe\u5728\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u74b0\u5883\u3067\u306f\u5fc5\u9808\u77e5\u8b58\u3068\u306a\u308b\u3001NAPT\u74b0\u5883\u4e0b\u3067IPsec\u3092\u5229\u7528\u3059\u308b\u305f\u3081\u306e\u6280\u8853\u300cNAT\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb<\/strong>\u300d\u306b\u3064\u3044\u3066\u3082\u554f\u308f\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u4f75\u305b\u3066\u62bc\u3055\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n

        \n

        📌 NAPT\u74b0\u5883\u3067\u306eIPsec\u3068NAT\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb<\/strong><\/p>\n

          \n
        • \u554f\u984c\u70b9\uff1a<\/strong>IPsec\u306eESP\uff08\u30d7\u30ed\u30c8\u30b3\u30eb\u756a\u53f750\uff09\u306f\u30dd\u30fc\u30c8\u756a\u53f7\u3092\u6301\u305f\u306a\u3044\u305f\u3081\u3001\u30dd\u30fc\u30c8\u5909\u63db\u3067\u8907\u6570\u7aef\u672b\u3092\u8b58\u5225\u3059\u308bNAPT\u3067\u306f\u6b63\u3057\u304f\u51e6\u7406\u3067\u304d\u306a\u3044\u3002<\/li>\n
        • \u7d50\u679c\uff1a<\/strong>NAPT\u74b0\u5883\u3067\u306f\u901a\u5e38\u306eIPsec\u901a\u4fe1\u304c\u901a\u3089\u305a\u3001VPN\u63a5\u7d9a\u304c\u5931\u6557\u3059\u308b\u3002<\/li>\n
        • \u89e3\u6c7a\u7b56\uff1a<\/strong>NAT\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\uff08NAT-T\uff09\u3092\u5229\u7528\u3057\u3001ESP\u30d1\u30b1\u30c3\u30c8\u3092UDP\u30ab\u30d7\u30bb\u30eb\u5316\uff08UDP 4500\u30dd\u30fc\u30c8\uff09\u3057\u3066\u9001\u4fe1\u3059\u308b\u3002<\/li>\n
        • \u4ed5\u7d44\u307f\uff1a<\/strong>IKE\u30d5\u30a7\u30fc\u30ba\u3067NAT\u306e\u5b58\u5728\u3092\u691c\u51fa \u2192 NAT\u3042\u308a\u306a\u3089\u81ea\u52d5\u3067UDP\u30ab\u30d7\u30bb\u30eb\u5316\u3078\u5207\u308a\u66ff\u3048\u3002<\/li>\n
        • \u52b9\u679c\uff1a<\/strong>UDP\u30d1\u30b1\u30c3\u30c8\u3068\u3057\u3066\u6271\u3048\u308b\u305f\u3081\u3001NAPT\u3092\u901a\u904e\u3067\u304d\u3001IPsec VPN\u304c\u6b63\u5e38\u306b\u5229\u7528\u53ef\u80fd\u306b\u306a\u308b\u3002<\/li>\n<\/ul>\n

          👉 \u4e00\u8a00\u307e\u3068\u3081\uff1aNAT-T\u306f\u300cESP\u3092UDP 4500\u756a\u306b\u5305\u3093\u3067\u3001NAPT\u3067\u3082\u901a\u305b\u308b\u3088\u3046\u306b\u3059\u308b\u88cf\u30ef\u30b6\u300d\u3002<\/em><\/p>\n<\/div>\n

          3. \u3010\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3011\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306e\u57fa\u672c\u3068\u5fdc\u7528<\/h2>\n

          \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\uff08FW\uff09\u306f\u3001\u305d\u306e\u540d\u306e\u901a\u308a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3051\u308b\u300c\u9632\u706b\u58c1\u300d\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u5185\u90e8\u306e\u4fe1\u983c\u3067\u304d\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08\u793e\u5185LAN\u306a\u3069\uff09\u3068\u3001\u5916\u90e8\u306e\u4fe1\u983c\u3067\u304d\u306a\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306a\u3069\uff09\u306e\u9593\u306b\u8a2d\u7f6e\u3055\u308c\u3001\u901a\u904e\u3059\u308b\u901a\u4fe1\uff08\u30d1\u30b1\u30c3\u30c8\uff09\u3092\u4e8b\u524d\u306b\u5b9a\u3081\u3089\u308c\u305f\u30eb\u30fc\u30eb\u306b\u57fa\u3065\u3044\u3066\u76e3\u8996\u3057\u3001\u8a31\u53ef\u30fb\u62d2\u5426\u3092\u5224\u65ad\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8981\u3067\u3059\u3002<\/p>\n

          \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u30da\u30b7\u30e3\u30ea\u30b9\u30c8\u8a66\u9a13\u306e\u5348\u5f8c\u554f\u984c\u3001\u7279\u306b\u69cb\u6210\u56f3\u3092\u8aad\u307f\u89e3\u304f\u30b7\u30ca\u30ea\u30aa\u3067\u306f\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u30eb\u30fc\u30eb\u8a2d\u5b9a\u3092\u6b63\u3057\u304f\u7406\u89e3\u3057\u3066\u3044\u308b\u304b\u304c\u76f4\u63a5\u554f\u308f\u308c\u307e\u3059\u3002<\/p>\n

          FW\u306e\u5f79\u5272\u3068\u57fa\u672c\u539f\u7406<\/h3>\n

          \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u65b9\u5f0f\u306b\u306f\u3001\u4e3b\u306b2\u3064\u306e\u30ec\u30d9\u30eb\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

            \n
          • \u9759\u7684\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/strong>
            \n\u30d1\u30b1\u30c3\u30c8\u306e\u30d8\u30c3\u30c0\u60c5\u5831\uff08\u9001\u4fe1\u5143\/\u5b9b\u5148IP\u30a2\u30c9\u30ec\u30b9\u3001\u30dd\u30fc\u30c8\u756a\u53f7\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u7a2e\u5225\u306a\u3069\uff09\u3060\u3051\u3092\u898b\u3066\u3001\u30eb\u30fc\u30eb\u3068\u4e00\u81f4\u3059\u308b\u304b\u3092\u6a5f\u68b0\u7684\u306b\u5224\u65ad\u3057\u307e\u3059\u3002\u4ed5\u7d44\u307f\u306f\u5358\u7d14\u3067\u3059\u304c\u3001\u901a\u4fe1\u306e\u6587\u8108\uff08\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u306e\u72b6\u614b\uff09\u3092\u8003\u616e\u3057\u306a\u3044\u305f\u3081\u3001\u5de7\u5999\u306a\u653b\u6483\u3092\u9632\u304e\u304d\u308c\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n
          • \u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\u30fb\u30d1\u30b1\u30c3\u30c8\u30fb\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\uff08SPI\uff09<\/strong>
            \n\u9759\u7684\u306a\u60c5\u5831\u306b\u52a0\u3048\u3066\u3001\u904e\u53bb\u306e\u30d1\u30b1\u30c3\u30c8\u3092\u8a18\u61b6\u3057\u300c\u901a\u4fe1\u306e\u6587\u8108\uff08\u72b6\u614b\uff09\u300d\u3092\u7ba1\u7406\u3059\u308b\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u5185\u90e8\u304b\u3089\u306e\u6b63\u5f53\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u5bfe\u3059\u308b\u300c\u623b\u308a\u300d\u306e\u901a\u4fe1\u306f\u8a31\u53ef\u3057\u3001\u5916\u90e8\u304b\u3089\u306e\u4e0d\u6b63\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u62d2\u5426\u3059\u308b\u3068\u3044\u3063\u305f\u3001\u3088\u308a\u9ad8\u5ea6\u3067\u5b89\u5168\u306a\u5236\u5fa1\u304c\u53ef\u80fd\u3067\u3059\u3002\u73fe\u5728\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3067\u306f\u3001\u3053\u306eSPI\u304c\u4e3b\u6d41\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n

            \u5348\u5f8c\u554f\u984c\u306e\u69cb\u6210\u56f3\u304b\u3089\u8aad\u307f\u89e3\u304f\u30eb\u30fc\u30eb\u8a2d\u5b9a<\/h3>\n

            \u5348\u5f8c\u8a66\u9a13\u3067\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210\u56f3\u3068\u5171\u306b\u300c\u301c\u3068\u3044\u3046\u901a\u4fe1\u3092\u8a31\u53ef\u3057\u305f\u3044\u300d\u3068\u3044\u3063\u305f\u8981\u4ef6\u304c\u793a\u3055\u308c\u3001\u9069\u5207\u306a\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u30eb\u30fc\u30eb\u3092\u7b54\u3048\u3055\u305b\u308b\u554f\u984c\u304c\u983b\u51fa\u3057\u307e\u3059\u3002\u91cd\u8981\u306a\u306e\u306f\u3001\u901a\u4fe1\u306e\u65b9\u5411\uff08inbound\/outbound\uff09<\/strong>\u3092\u610f\u8b58\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n

            \u4f8b\u3048\u3070\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304b\u3089DMZ\uff08\u975e\u6b66\u88c5\u5730\u5e2f\uff09\u306b\u8a2d\u7f6e\u3055\u308c\u305fWeb\u30b5\u30fc\u30d0\uff08192.168.1.10<\/code>\uff09\u3078\u306eHTTPS\u901a\u4fe1\u306e\u307f\u3092\u8a31\u53ef\u3059\u308b\u5834\u5408\u3001\u30eb\u30fc\u30eb\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\n\n\n
            No.<\/th>\n\u9001\u4fe1\u5143IP<\/th>\n\u5b9b\u5148IP<\/th>\n\u30d7\u30ed\u30c8\u30b3\u30eb<\/th>\n\u5b9b\u5148\u30dd\u30fc\u30c8<\/th>\n\u30a2\u30af\u30b7\u30e7\u30f3<\/th>\n<\/tr>\n<\/thead>\n
            1<\/td>\nAny<\/td>\n192.168.1.10<\/code><\/td>\nTCP<\/td>\n443 (HTTPS)<\/td>\n\u8a31\u53ef<\/strong><\/td>\n<\/tr>\n
            2<\/td>\nAny<\/td>\nAny<\/td>\nAny<\/td>\nAny<\/td>\n\u62d2\u5426<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            \u3053\u306e\u3088\u3046\u306b\u3001\u6700\u521d\u306b\u8a31\u53ef\u3059\u308b\u30eb\u30fc\u30eb\u3092\u660e\u8a18\u3057\u3001\u6700\u5f8c\u306b\u305d\u308c\u4ee5\u5916\u3092\u3059\u3079\u3066\u62d2\u5426\u3059\u308b\u30eb\u30fc\u30eb\uff08\u30c7\u30d5\u30a9\u30eb\u30c8Deny\uff09\u3092\u7f6e\u304f<\/strong>\u306e\u304c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u57fa\u672c\u539f\u5247\u3067\u3059\u3002<\/p>\n

            \u5b66\u7fd2\u306e\u30dd\u30a4\u30f3\u30c8<\/h3>\n

            \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u554f\u984c\u3092\u89e3\u304f\u969b\u306f\u3001\u307e\u305a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210\u56f3\u306e\u4e2d\u3067FW\u304c\u3069\u3053\u306b\u8a2d\u7f6e\u3055\u308c\u3066\u3044\u308b\u304b<\/strong>\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002\u305d\u3057\u3066\u3001DMZ\uff08DeMilitarized Zone\uff09<\/strong>\u304c\u306a\u305c\u305d\u306e\u5834\u6240\u306b\u3042\u308b\u306e\u304b\u3092\u8003\u3048\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002DMZ\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u516c\u958b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u30b5\u30fc\u30d0\uff08Web\u3001\u30e1\u30fc\u30eb\u3001\u30d7\u30ed\u30ad\u30b7\u306a\u3069\uff09\u3092\u3001\u793e\u5185LAN\u306a\u3069\u306e\u91cd\u8981\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u9694\u96e2\u3059\u308b\u305f\u3081\u306b\u8a2d\u3051\u3089\u308c\u308b\u30a8\u30ea\u30a2\u3067\u3059\u3002\u3053\u306e\u5f79\u5272\u3092\u7406\u89e3\u3059\u308c\u3070\u3001\u304a\u306e\u305a\u3068\u8a2d\u5b9a\u3059\u3079\u304d\u30eb\u30fc\u30eb\u306e\u610f\u56f3\u304c\u898b\u3048\u3066\u304d\u307e\u3059\u3002<\/p>\n

            \n

            4. \u3010OSPF\u3011\u52d5\u7684\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u4ee3\u8868\u683c\u2502\u30b3\u30b9\u30c8\u3068\u30a8\u30ea\u30a2\u306e\u8003\u3048\u65b9<\/h2>\n

            \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u30eb\u30fc\u30bf\u540c\u58eb\u304c\u7d4c\u8def\u60c5\u5831\u3092\u81ea\u52d5\u7684\u306b\u4ea4\u63db\u3057\u3001\u6700\u9069\u306a\u901a\u4fe1\u7d4c\u8def\u3092\u6c7a\u5b9a\u3059\u308b\u4ed5\u7d44\u307f\u3092\u300c\u52d5\u7684\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u300d\u3068\u547c\u3073\u307e\u3059\u3002\u305d\u306e\u4ee3\u8868\u7684\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u304c OSPF (Open Shortest Path First)<\/strong> \u3067\u3059\u3002<\/p>\n

            OSPF\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u69cb\u6210\u60c5\u5831\u3092\u30eb\u30fc\u30bf\u540c\u58eb\u3067\u5171\u6709\u3057\u3001\u5404\u30eb\u30fc\u30bf\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u306e\u300c\u5730\u56f3\u300d\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3067\u3001\u969c\u5bb3\u767a\u751f\u6642\u306b\u3082\u8fc5\u901f\u306b\u8fc2\u56de\u7d4c\u8def\u3092\u8a08\u7b97\u3067\u304d\u308b\u3001\u9ad8\u6a5f\u80fd\u3067\u62e1\u5f35\u6027\u306b\u512a\u308c\u305f\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u3053\u306e\u65b9\u5f0f\u306f\u30ea\u30f3\u30af\u30b9\u30c6\u30fc\u30c8\u578b<\/strong>\u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n

            OSPF\u306e\u4ed5\u7d44\u307f\u3068\u57fa\u672c\u7528\u8a9e<\/h3>\n

            OSPF\u3092\u7406\u89e3\u3059\u308b\u306b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u62bc\u3055\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

              \n
            • \u30b3\u30b9\u30c8<\/strong>
              \nOSPF\u304c\u6700\u9069\u7d4c\u8def\u3092\u5224\u65ad\u3059\u308b\u305f\u3081\u306e\u6307\u6a19\u3067\u3059\u3002\u5404\u30eb\u30fc\u30bf\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u306f\u300c\u30b3\u30b9\u30c8\u300d\u3068\u547c\u3070\u308c\u308b\u5024\u304c\u8a2d\u5b9a\u3055\u308c\u3001\u3053\u308c\u306f\u4e00\u822c\u7684\u306b\u901a\u4fe1\u5e2f\u57df\u5e45\u304c\u5e83\u3044\u307b\u3069\u4f4e\u304f<\/strong>\u306a\u308a\u307e\u3059\uff08\u901f\u3044\u56de\u7dda\u307b\u3069\u512a\u5148\u3055\u308c\u308b\uff09\u3002OSPF\u306f\u3001\u5b9b\u5148\u307e\u3067\u306e\u30b3\u30b9\u30c8\u306e\u5408\u8a08\u5024\u304c\u6700\u3082\u5c0f\u3055\u3044\u7d4c\u8def<\/strong>\u3092\u6700\u9069\u7d4c\u8def\u3068\u3057\u3066\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n
            • LSA (Link-State Advertisement)<\/strong>
              \n\u300c\u30ea\u30f3\u30af\u72b6\u614b\u5e83\u544a\u300d\u3068\u8a33\u3055\u308c\u3001\u30eb\u30fc\u30bf\u304c\u6301\u3064\u81ea\u8eab\u306e\u63a5\u7d9a\u60c5\u5831\uff08\u3069\u306e\u30eb\u30fc\u30bf\u306b\u3001\u3069\u306e\u30b3\u30b9\u30c8\u3067\u7e4b\u304c\u3063\u3066\u3044\u308b\u304b\u306a\u3069\uff09\u3092\u307e\u3068\u3081\u305f\u901a\u77e5\u30d1\u30b1\u30c3\u30c8\u3067\u3059\u3002\u30eb\u30fc\u30bf\u306fLSA\u3092\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306b\u3044\u308b\u4ed6\u306e\u30eb\u30fc\u30bf\u3068\u4ea4\u63db\u3057\u5408\u3044\u3001\u5168\u54e1\u304c\u540c\u3058\u300c\u5730\u56f3\u300d\u3092\u6301\u3066\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/li>\n
            • \u30a8\u30ea\u30a2<\/strong>
              \n\u5927\u898f\u6a21\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067OSPF\u3092\u904b\u7528\u3059\u308b\u3068\u3001\u7ba1\u7406\u3059\u308b\u60c5\u5831\u304c\u5897\u3048\u3059\u304e\u3066\u30eb\u30fc\u30bf\u306e\u8ca0\u8377\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u300c\u30a8\u30ea\u30a2\u300d\u3068\u547c\u3070\u308c\u308b\u5c0f\u3055\u306a\u30b0\u30eb\u30fc\u30d7\u306b\u5206\u5272\u3057\u3066\u7ba1\u7406\u3057\u307e\u3059\u3002\u30a8\u30ea\u30a2\u3092\u5206\u5272\u3059\u308b\u3053\u3068\u3067\u3001LSA\u306e\u4ea4\u63db\u7bc4\u56f2\u3092\u30a8\u30ea\u30a2\u5185\u306b\u9650\u5b9a\u3067\u304d\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u306e\u5b89\u5b9a\u6027\u3068\u62e1\u5f35\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002\u5168\u3066\u306e\u30a8\u30ea\u30a2\u306f\u30a8\u30ea\u30a20<\/strong>\u3068\u547c\u3070\u308c\u308b\u4e2d\u5fc3\u306e\u300c\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u30a8\u30ea\u30a2\u300d\u306b\u63a5\u7d9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n

              \u8ddd\u96e2\u30d9\u30af\u30c8\u30eb\u578b\uff08RIP\u306a\u3069\uff09\u3068\u306e\u6c7a\u5b9a\u7684\u306a\u9055\u3044<\/h3>\n

              OSPF\uff08\u30ea\u30f3\u30af\u30b9\u30c6\u30fc\u30c8\u578b\uff09\u306f\u3001\u3057\u3070\u3057\u3070 RIP (Routing Information Protocol)<\/strong> \u306b\u4ee3\u8868\u3055\u308c\u308b\u300c\u8ddd\u96e2\u30d9\u30af\u30c8\u30eb\u578b\u300d\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u6bd4\u8f03\u3055\u308c\u307e\u3059\u3002\u4e21\u8005\u306e\u9055\u3044\u306f\u3001\u7d4c\u8def\u60c5\u5831\u306e\u4ea4\u63db\u65b9\u6cd5\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n

                \n
              • \u8ddd\u96e2\u30d9\u30af\u30c8\u30eb\u578b (RIP)<\/strong>
                \n\u96a3\u63a5\u3059\u308b\u30eb\u30fc\u30bf\u304b\u3089\u300c\u3042\u306e\u5b9b\u5148\u307e\u3067\u3001\u3053\u308c\u304f\u3089\u3044\u306e\u8ddd\u96e2\uff08\u30db\u30c3\u30d7\u6570\uff09\u3067\u884c\u3051\u308b\u300d\u3068\u3044\u3046\u3001\u53c8\u805e\u304d\u306e\u3088\u3046\u306a\u60c5\u5831\u3060\u3051\u3092\u4ea4\u63db\u3057\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u60c5\u5831\u306e\u4f1d\u9054\u304c\u9045\u304f\u3001\u969c\u5bb3\u767a\u751f\u6642\u306e\u7d4c\u8def\u53ce\u675f\u306b\u6642\u9593\u304c\u304b\u304b\u308b\u5f31\u70b9\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n
              • \u30ea\u30f3\u30af\u30b9\u30c6\u30fc\u30c8\u578b (OSPF)<\/strong>
                \n\u5404\u30eb\u30fc\u30bf\u304cLSA\u3092\u4ea4\u63db\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u306e\u63a5\u7d9a\u60c5\u5831\uff08\u30c8\u30dd\u30ed\u30b8\uff09\u3092\u5171\u6709\u3057\u307e\u3059\u3002\u5b8c\u5168\u306a\u5730\u56f3\u3092\u5143\u306b\u7d4c\u8def\u3092\u8a08\u7b97\u3059\u308b\u305f\u3081\u3001\u7d4c\u8def\u306e\u53ce\u675f\u304c\u975e\u5e38\u306b\u901f\u304f\u3001\u5927\u898f\u6a21\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n\n\n\n\n\n
                \u6bd4\u8f03\u9805\u76ee<\/th>\n\u30ea\u30f3\u30af\u30b9\u30c6\u30fc\u30c8\u578b (OSPF)<\/th>\n\u8ddd\u96e2\u30d9\u30af\u30c8\u30eb\u578b (RIP)<\/th>\n<\/tr>\n<\/thead>\n
                \u7d4c\u8def\u60c5\u5831\u306e\u5171\u6709\u65b9\u6cd5<\/strong><\/td>\n\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u306e\u5730\u56f3 (\u30c8\u30dd\u30ed\u30b8)<\/td>\n\u96a3\u63a5\u30eb\u30fc\u30bf\u306e\u7d4c\u8def\u8868<\/td>\n<\/tr>\n
                \u7d4c\u8def\u6c7a\u5b9a\u306e\u6307\u6a19<\/strong><\/td>\n\u30b3\u30b9\u30c8 (\u5e2f\u57df\u5e45\u3092\u8003\u616e)<\/td>\n\u30db\u30c3\u30d7\u6570 (\u7d4c\u7531\u30eb\u30fc\u30bf\u6570)<\/td>\n<\/tr>\n
                \u7d4c\u8def\u306e\u53ce\u675f\u901f\u5ea6<\/strong><\/td>\n\u901f\u3044<\/td>\n\u9045\u3044<\/td>\n<\/tr>\n
                \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u898f\u6a21<\/strong><\/td>\n\u5927\u898f\u6a21\u5411\u3051<\/td>\n\u5c0f\u898f\u6a21\u5411\u3051<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                \u5b66\u7fd2\u306e\u30dd\u30a4\u30f3\u30c8<\/h3>\n

                OSPF\u306e\u653b\u7565\u30dd\u30a4\u30f3\u30c8\u306f\u3001\u30b3\u30b9\u30c8\u8a08\u7b97\u306e\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3059\u308b\u3053\u3068<\/strong>\u3067\u3059\u3002\u5348\u5f8c\u554f\u984c\u3067\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210\u56f3\u306b\u5404\u56de\u7dda\u306e\u30b3\u30b9\u30c8\u5024\u304c\u793a\u3055\u308c\u3001\u300c\u30eb\u30fc\u30bfA\u304b\u3089\u5b9b\u5148X\u307e\u3067\u306e\u6700\u9069\u7d4c\u8def\u306f\u3069\u3053\u304b\u300d\u3092\u554f\u308f\u308c\u308b\u30b1\u30fc\u30b9\u304c\u591a\u304f\u3042\u308a\u307e\u3059\u3002\u8907\u6570\u306e\u5019\u88dc\u7d4c\u8def\u306e\u5408\u8a08\u30b3\u30b9\u30c8\u3092\u7b97\u51fa\u3057\u3001\u6700\u5c0f\u306e\u3082\u306e\u3092\u9078\u3076\u7df4\u7fd2\u3092\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002\u307e\u305f\u3001\u300c\u306a\u305c\u30a8\u30ea\u30a2\u5206\u5272\u304c\u5fc5\u8981\u306a\u306e\u304b\u300d\u3092\u8ca0\u8377\u8efd\u6e1b\u3068\u62e1\u5f35\u6027\u306e\u89b3\u70b9\u304b\u3089\u8aac\u660e\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u304a\u304f\u3053\u3068\u3082\u91cd\u8981\u3067\u3059\u3002<\/p>\n

                \n

                5. \u3010SSL\/TLS\u3011Web\u306e\u5b89\u5168\u3092\u5b88\u308b\u6697\u53f7\u5316\u901a\u4fe1\u306e\u3059\u3079\u3066<\/h2>\n

                Web\u30b5\u30a4\u30c8\u306eURL\u304c http:\/\/<\/code> \u3067\u306f\u306a\u304f https:\/\/<\/code> \u304b\u3089\u59cb\u307e\u3063\u3066\u3044\u308b\u306e\u3092\u898b\u305f\u3053\u3068\u304c\u3042\u308b\u3067\u3057\u3087\u3046\u3002\u3053\u306e s<\/code> \u306f “Secure” \u3092\u610f\u5473\u3057\u3001\u901a\u4fe1\u304c SSL\/TLS (Secure Sockets Layer \/ Transport Layer Security)<\/strong> \u306b\u3088\u3063\u3066\u4fdd\u8b77\u3055\u308c\u3066\u3044\u308b\u8a3c\u3067\u3059\u3002SSL\/TLS\u306f\u3001Web\u30d6\u30e9\u30a6\u30b6\u3068Web\u30b5\u30fc\u30d0\u9593\u306e\u901a\u4fe1\u3092\u6697\u53f7\u5316\u3057\u3001\u300c\u76d7\u8074\u300d\u300c\u6539\u3056\u3093\u300d\u300c\u306a\u308a\u3059\u307e\u3057\u300d\u3092\u9632\u3050\u305f\u3081\u306e\u4e2d\u5fc3\u7684\u306a\u6280\u8853\u3067\u3059\u3002<\/p>\n

                \u73fe\u5728\u3067\u306f\u3001SSL\u306e\u5f8c\u7d99\u3067\u3042\u308bTLS\u304c\u4e3b\u6d41\u3067\u3059\u304c\u3001\u4e21\u8005\u306f\u6163\u7fd2\u7684\u306b\u300cSSL\u300d\u307e\u305f\u306f\u300cSSL\/TLS\u300d\u3068\u7dcf\u79f0\u3055\u308c\u307e\u3059\u3002<\/p>\n

                SSL\/TLS\u306e\u5f79\u5272\u3068HTTPS\u306e\u88cf\u5074<\/h3>\n

                SSL\/TLS\u306f\u3001\u516c\u958b\u9375\u6697\u53f7<\/strong>\u3068\u5171\u901a\u9375\u6697\u53f7<\/strong>\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u65b9\u5f0f\u3067\u3001\u5b89\u5168\u6027\u3068\u52b9\u7387\u6027\u3092\u4e21\u7acb\u3055\u305b\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u4fe1\u983c\u306e\u4ed5\u7d44\u307f\u3092\u652f\u3048\u3066\u3044\u308b\u306e\u304c\u300c\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u300d\u3068\u300c\u8a8d\u8a3c\u5c40\uff08CA\uff09\u300d\u3067\u3059\u3002<\/p>\n

                  \n
                • \u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\uff08\u30b5\u30fc\u30d0\u8a3c\u660e\u66f8\uff09<\/strong>
                  \nWeb\u30b5\u30fc\u30d0\u306e\u8eab\u5143\u3092\u8a3c\u660e\u3059\u308b\u96fb\u5b50\u7684\u306a\u8a3c\u660e\u66f8\u3067\u3059\u3002\u3053\u308c\u306b\u306f\u3001\u30b5\u30fc\u30d0\u306e\u904b\u55b6\u7d44\u7e54\u306e\u60c5\u5831\u3084\u3001\u901a\u4fe1\u3092\u6697\u53f7\u5316\u3059\u308b\u305f\u3081\u306e\u516c\u958b\u9375<\/strong>\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n
                • \u8a8d\u8a3c\u5c40\uff08CA: Certificate Authority\uff09<\/strong>
                  \n\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u304c\u6b63\u5f53\u306a\u3082\u306e\u3067\u3042\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u3001\u4fe1\u983c\u3055\u308c\u305f\u7b2c\u4e09\u8005\u6a5f\u95a2\u3067\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u306f\u3001\u3053\u306eCA\u3092\u4fe1\u983c\u3059\u308b\u3053\u3068\u3067\u3001Web\u30b5\u30a4\u30c8\u306e\u6b63\u5f53\u6027\u3092\u5224\u65ad\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u516c\u7684\u306a\u8eab\u5206\u8a3c\u660e\u66f8\u3092\u767a\u884c\u3059\u308b\u5f79\u6240\u306e\u3088\u3046\u306a\u5f79\u5272\u306b\u4f8b\u3048\u3089\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n

                  \u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u51e6\u7406\u306e\u6d41\u308c\u3092\u7406\u89e3\u3059\u308b<\/h3>\n

                  SSL\/TLS\u306b\u3088\u308b\u6697\u53f7\u5316\u901a\u4fe1\u306f\u3001\u300c\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u300d\u3068\u547c\u3070\u308c\u308b\u4e8b\u524d\u306e\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\uff08\u4ea4\u6e09\uff09\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002\u3053\u306e\u4e00\u9023\u306e\u6d41\u308c\u306f\u5348\u5f8c\u554f\u984c\u306e\u983b\u51fa\u8ad6\u70b9\u3067\u3059\u3002<\/p>\n

                    \n
                  1. Client Hello<\/strong>: \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff08\u30d6\u30e9\u30a6\u30b6\uff09\u304c\u3001\u30b5\u30fc\u30d0\u306b\u5bfe\u3057\u3001\u4f7f\u7528\u53ef\u80fd\u306a\u6697\u53f7\u65b9\u5f0f\u306e\u30ea\u30b9\u30c8\u306a\u3069\u3092\u901a\u77e5\u3057\u307e\u3059\u3002<\/li>\n
                  2. Server Hello<\/strong>: \u30b5\u30fc\u30d0\u306f\u3001\u4f7f\u7528\u3059\u308b\u6697\u53f7\u65b9\u5f0f\u3092\u6c7a\u5b9a\u3057\u3001\u81ea\u8eab\u306e\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8<\/strong>\u3092\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u9001\u4ed8\u3057\u307e\u3059\u3002<\/li>\n
                  3. \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u3088\u308b\u691c\u8a3c\u3068\u9375\u4ea4\u63db<\/strong>: \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u3001\u53d7\u3051\u53d6\u3063\u305f\u8a3c\u660e\u66f8\u304c\u4fe1\u983c\u3067\u304d\u308bCA\u306b\u3088\u3063\u3066\u7f72\u540d\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002\u691c\u8a3c\u5f8c\u3001\u901a\u4fe1\u306e\u6697\u53f7\u5316\u306b\u4f7f\u3046\u5171\u901a\u9375\u306e\u7d20<\/strong>\uff08\u30d7\u30ea\u30de\u30b9\u30bf\u30fc\u30b7\u30fc\u30af\u30ec\u30c3\u30c8\uff09\u3092\u751f\u6210\u3057\u3001\u8a3c\u660e\u66f8\u306b\u542b\u307e\u308c\u308b\u30b5\u30fc\u30d0\u306e\u516c\u958b\u9375\u3067\u6697\u53f7\u5316<\/strong>\u3057\u3066\u30b5\u30fc\u30d0\u306b\u9001\u308a\u307e\u3059\u3002<\/li>\n
                  4. \u6697\u53f7\u5316\u901a\u4fe1\u958b\u59cb<\/strong>: \u30b5\u30fc\u30d0\u306f\u3001\u81ea\u8eab\u306e\u79d8\u5bc6\u9375\u3067\u6697\u53f7\u5316\u3055\u308c\u305f\u5171\u901a\u9375\u306e\u7d20\u3092\u5fa9\u53f7\u3057\u307e\u3059\u3002\u3053\u308c\u4ee5\u964d\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u306f\u540c\u3058\u5171\u901a\u9375\u3092\u4fdd\u6709\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u3001\u3053\u306e\u5171\u901a\u9375\u3092\u4f7f\u3063\u3066\u9ad8\u901f\u306a\u6697\u53f7\u5316\u901a\u4fe1\u3092\u958b\u59cb\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n

                    SSL-VPN\u3068\u306e\u95a2\u4fc2<\/h3>\n

                    SSL\/TLS\u306e\u6280\u8853\u306f\u3001Web\u30a2\u30af\u30bb\u30b9\u306e\u4fdd\u8b77\u3060\u3051\u3067\u306a\u304f SSL-VPN<\/strong> \u306b\u3082\u5fdc\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001SSL\/TLS\u3092\u5229\u7528\u3057\u3066\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9VPN\u3092\u69cb\u7bc9\u3059\u308b\u6280\u8853\u3067\u3059\u3002IPsec-VPN\u3068\u6bd4\u8f03\u3057\u3066\u3001\u6a19\u6e96\u7684\u306aHTTPS\uff08TCP\/443\uff09\u30dd\u30fc\u30c8\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3067\u901a\u4fe1\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u306b\u304f\u3044\u3068\u3044\u3046\u5229\u70b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

                    \u5b66\u7fd2\u306e\u30dd\u30a4\u30f3\u30c8<\/h3>\n

                    SSL\/TLS\u3092\u653b\u7565\u3059\u308b\u306b\u306f\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u306e\u30b7\u30fc\u30b1\u30f3\u30b9<\/strong>\u3092\u6b63\u78ba\u306b\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u300c\u306a\u305c\u6700\u521d\u306f\u516c\u958b\u9375\u6697\u53f7\u3092\u4f7f\u3044\u3001\u305d\u306e\u5f8c\u306f\u5171\u901a\u9375\u6697\u53f7\u306b\u5207\u308a\u66ff\u3048\u308b\u306e\u304b\u300d\uff08\u5b89\u5168\u306a\u9375\u4ea4\u63db\u3068\u901a\u4fe1\u52b9\u7387\u306e\u4e21\u7acb\u306e\u305f\u3081\uff09\u3092\u8aac\u660e\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002\u307e\u305f\u3001\u8a3c\u660e\u66f8\u306e\u6709\u52b9\u6027\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3067\u3042\u308b CRL\uff08\u8a3c\u660e\u66f8\u5931\u52b9\u30ea\u30b9\u30c8\uff09<\/strong> \u3084 OCSP<\/strong> \u3068\u3044\u3063\u305f\u95a2\u9023\u6280\u8853\u3082\u554f\u308f\u308c\u308b\u305f\u3081\u3001\u4f75\u305b\u3066\u5b66\u7fd2\u3057\u3066\u304a\u304f\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n

                    \n

                    \u307e\u3068\u3081<\/h3>\n

                    \u3053\u308c\u307e\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u30da\u30b7\u30e3\u30ea\u30b9\u30c8\u5348\u5f8c\u8a66\u9a13\u3067\u6700\u91cd\u8981\u3068\u306a\u308b5\u3064\u306e\u6280\u8853\uff08DNS, IPsec, FW, OSPF, SSL\/TLS\uff09\u306b\u3064\u3044\u3066\u3001\u305d\u306e\u4ed5\u7d44\u307f\u3068\u5b66\u7fd2\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u89e3\u8aac\u3057\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n

                    \u3053\u3053\u3067\u6700\u3082\u91cd\u8981\u306a\u306e\u306f\u3001\u3053\u308c\u3089\u306e\u6280\u8853\u304c\u305d\u308c\u305e\u308c\u72ec\u7acb\u3057\u305f\u77e5\u8b58\u3067\u306f\u306a\u304f\u3001\u4e00\u3064\u306e\u5927\u304d\u306a\u30b7\u30b9\u30c6\u30e0\u3068\u3057\u3066\u76f8\u4e92\u306b\u95a2\u9023\u3057\u5408\u3063\u3066\u3044\u308b<\/strong>\u3068\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u3042\u306a\u305f\u304c https:\/\/<\/code> \u3067\u59cb\u307e\u308bWeb\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u4e00\u3064\u306e\u64cd\u4f5c\u306e\u88cf\u3067\u306f\u3001\u307e\u305a DNS<\/strong> \u304cIP\u30a2\u30c9\u30ec\u30b9\u3092\u6559\u3048\u3001OSPF<\/strong> \u304c\u6700\u9069\u306a\u7d4c\u8def\u3092\u9078\u629e\u3057\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/strong> \u304c\u305d\u306e\u901a\u4fe1\u3092\u691c\u67fb\u3057\u3001\u6700\u7d42\u7684\u306b SSL\/TLS<\/strong> \u304c\u901a\u4fe1\u8def\u3092\u6697\u53f7\u5316\u3057\u3066\u3044\u307e\u3059\u3002VPN\u8d8a\u3057\u306e\u30a2\u30af\u30bb\u30b9\u3067\u3042\u308c\u3070\u3001\u305d\u3053\u306b\u306f IPsec<\/strong> \u3082\u95a2\u308f\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n

                    \u672c\u8a18\u4e8b\u3067\u5f97\u305f\u500b\u3005\u306e\u77e5\u8b58\u306e\u571f\u53f0\u3092\u3082\u3068\u306b\u3001\u305c\u3072\u5b9f\u969b\u306e\u5348\u5f8c\u554f\u984c\u306b\u6311\u6226\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u8a2d\u554f\u306e\u9577\u6587\u30b7\u30ca\u30ea\u30aa\u306e\u4e2d\u3067\u3001\u4eca\u56de\u5b66\u3093\u3060\u6280\u8853\u304c\u3069\u306e\u3088\u3046\u306b\u7d44\u307f\u5408\u308f\u3055\u3063\u3066\u6a5f\u80fd\u3057\u3066\u3044\u308b\u304b\u3092\u898b\u3064\u3051\u51fa\u3059\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u3092\u7a4d\u3080\u3053\u3068\u304c\u3001\u5408\u683c\u70b9\u3092\u63b4\u3080\u305f\u3081\u306e\u6700\u77ed\u30eb\u30fc\u30c8\u3067\u3059\u3002<\/p>\n

                    \u7686\u69d8\u306e\u5408\u683c\u3092\u5fc3\u3088\u308a\u5fdc\u63f4\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","columnck":"","stmeta_robots":"index, follow","st_titlewords":"","st_title_extra":"","st_keywords":"","st_description":"","st_display_ad_mark":"","st_display_ad_mark_hide":"","textcopyck":"","st_copyright":"","st_copyurl":"","eyecatch_set":"","st_youtube_url":"","st_youtube_eyecatch":"","headerwidget_set":"","updatewidget_set":"","kanrenwidget_set":"","ikkatuwidget_set":"","koukoku_set":"","auto_adsense_koukoku_set":"","st_redirect":"","st_redirect_url_as_canonical":"","st_redirect_pvm_do_not_track":"","post_data_updatewidget_set":"","st_post_header_under_bg":"","st_twitter_tag":"","affinger_note":"","rankdisplayck":"","st_head_code":"","st_footer_code":"","st_post_header_under_code":"","_st_toc_override":false,"_st_toc_settings":[]},"categories":[3],"tags":[5],"class_list":["post-5905","post","type-post","status-publish","format-standard","hentry","category-ipa","tag-5"],"_links":{"self":[{"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/posts\/5905","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/comments?post=5905"}],"version-history":[{"count":0,"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/posts\/5905\/revisions"}],"wp:attachment":[{"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/media?parent=5905"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/categories?post=5905"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/tags?post=5905"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}