{"id":713,"date":"2022-10-05T20:31:15","date_gmt":"2022-10-05T20:31:15","guid":{"rendered":"https:\/\/securitybriefing.net\/?p=713"},"modified":"2022-10-05T20:31:15","modified_gmt":"2022-10-05T20:31:15","slug":"openvpn-%e3%81%ae%e7%b4%b9%e4%bb%8b","status":"publish","type":"post","link":"https:\/\/securitybriefing.net\/ja\/%e3%83%96%e3%82%a4%e3%83%94%e3%83%bc%e3%82%a8%e3%83%8c\/openvpn-%e3%81%ae%e7%b4%b9%e4%bb%8b\/","title":{"rendered":"OpenVPN\u5165\u9580"},"content":{"rendered":"<p>\u73fe\u4ee3\u793e\u4f1a\u306b\u304a\u3044\u3066\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306f\u4ed6\u306e\u516c\u5171\u30b5\u30fc\u30d3\u30b9\u3068\u540c\u69d8\u306b\u91cd\u8981\u3067\u3042\u308b\u3002\u65b0\u3057\u3044\u5bb6\u3092\u8cfc\u5165\u3059\u308b\u3068\u304d\u3001\u3042\u308b\u3044\u306f\u65b0\u3057\u3044\u571f\u5730\u3067\u4f1a\u793e\u3092\u958b\u696d\u3059\u308b\u3068\u304d\u3001\u8ab0\u3082\u304c\u307e\u305a\u6c17\u306b\u3059\u308b\u306e\u306f\u3001\u4fe1\u983c\u3067\u304d\u308b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u3067\u3042\u308a\u3001\u6b21\u3044\u3067\u96fb\u6c17\u3001\u6696\u623f\u3001\u30b4\u30df\u53ce\u96c6\u3001\u305d\u3057\u3066\uff08\u5fc5\u305a\u3057\u3082\u305d\u3046\u3067\u306f\u306a\u3044\u304c\uff09\u96fb\u8a71\u30b5\u30fc\u30d3\u30b9\u3067\u3042\u308b\u3002<\/p>\n<p>\u300c\u7b2c\u4e09\u4e16\u754c\u300d\u3068\u3044\u3046\u8868\u73fe\u306f\u4e0d\u6b63\u78ba\u3067\u4fae\u8fb1\u7684\u3060\u3068\u4e3b\u5f35\u3059\u308b\u4eba\u3082\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u300cOne Laptop per Child\u300d\u3084Facebook\u3084Google\u306e\u3088\u3046\u306a\u4f01\u696d\u306b\u3088\u308b\u53d6\u308a\u7d44\u307f\u306e\u304a\u304b\u3052\u3067\u3001\u591a\u304f\u306e\u3044\u308f\u3086\u308b\u7b2c\u4e09\u4e16\u754c\u306e\u56fd\u3005\u304c\u3001\u4e0a\u4e0b\u6c34\u9053\u304c\u306a\u3044\u307e\u307e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002.<\/p>\n<p>\u3057\u304b\u3057\u3001\u826f\u3044\u3053\u3068\u3082\u3042\u308c\u3070\u60aa\u3044\u3053\u3068\u3082\u3042\u308b\u3002\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u7acb\u3061\u4e0a\u3052\u305f\u308a\u3001\u30d5\u30a7\u30a4\u30b9\u30d6\u30c3\u30af\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4f5c\u3063\u305f\u308a\u3001\u30c4\u30a4\u30c3\u30bf\u30fc\u306e\u30cf\u30f3\u30c9\u30eb\u3092\u958b\u8a2d\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u306f\u8ab0\u306b\u3067\u3082\u3067\u304d\u308b\u304c\u3001\u30cf\u30c3\u30ab\u30fc\u3084\u72af\u7f6a\u8005\u3092\u542b\u3081\u3001\u8ab0\u3082\u304c\u5584\u610f\u3067\u305d\u3046\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3002\u5229\u7528\u8005\u304c\u591a\u3051\u308c\u3070\u591a\u3044\u307b\u3069\u3001\u8ab0\u304b\u304c\u500b\u4eba\u7684\u306a\u5229\u76ca\u306e\u305f\u3081\u306b\u30b7\u30b9\u30c6\u30e0\u3092\u60aa\u7528\u3057\u3088\u3046\u3068\u3059\u308b\u30ea\u30b9\u30af\u304c\u9ad8\u307e\u308b\u3002<\/p>\n<p>OpenVPN\u306f\u3001\u30d5\u30eb\u6a5f\u80fd\u306eSSL VPN\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3092\u610f\u56f3\u3057\u30662002\u5e74\u306b\u958b\u59cb\u3055\u308c\u305f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002OpenVPN\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4ecb\u3057\u3066\u9001\u4fe1\u3055\u308c\u308b\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3057\u3001\u3053\u308c\u306f\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u540c\u3058\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306b\u3044\u308b\u5834\u5408\u306b\u7279\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n<h2 id=\"the-history-of-interceptions-and-how-theyve-progressed-over-time\"><strong>\u30a4\u30f3\u30bf\u30fc\u30bb\u30d7\u30c8\u306e\u6b74\u53f2\u3068\u305d\u306e\u5909\u9077<\/strong><\/h2>\n<p>\u6b74\u53f2\u7684\u306b\u306f\u3001\u4fe1\u983c\u3067\u304d\u308b\u4eba\u7269\u306b\u3088\u3063\u3066\u874b\u3067\u5c01\u5370\u3055\u308c\u305f\u624b\u7d19\u3068\u3057\u3066\u5c4a\u3051\u3089\u308c\u308c\u3070\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u6539\u3056\u3093\u3055\u308c\u305a\u306b\u6b8b\u3055\u308c\u3066\u3044\u305f\u3002\u3057\u304b\u3057\u3001\u6642\u4ee3\u304c\u9032\u3080\u306b\u3064\u308c\u3066\u3001\u901a\u4fe1\u6587\u306e\u508d\u53d7\u306f\u3088\u308a\u5358\u7d14\u306b\u306a\u308a\u3001\u5dee\u51fa\u4eba\u306f\u305d\u308c\u3092\u6e21\u3059\u524d\u306b\u8aad\u3093\u3060\u308a\u3001\u6539\u3056\u3093\u3057\u305f\u308a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3002<\/p>\n<p>\u7b2c\u4e8c\u6b21\u4e16\u754c\u5927\u6226\u4e2d\u306e\u6280\u8853\u306e\u9032\u6b69\u306f\u3001\u30a8\u30cb\u30b0\u30de\u30fb\u30de\u30b7\u30f3\u3084\u30ca\u30d0\u30db\u306e\u6697\u53f7\u89e3\u8aad\u6a5f\u306a\u3069\u306e\u4f8b\u3092\u901a\u3058\u3066\u3001\u53cc\u65b9\u306e\u30c7\u30fc\u30bf\u3092\u3088\u308a\u5b89\u5168\u306b\u4fdd\u8b77\u3059\u308b\u3053\u3068\u3092\u53ef\u80fd\u306b\u3057\u305f\u3002\u6226\u5f8c\u3001\u30a2\u30e1\u30ea\u30ab\u653f\u5e9c\u306f\u3053\u308c\u3089\u306e\u6280\u8853\u3084\u305d\u306e\u4ed6\u306e\u6280\u8853\u3092\u99c6\u4f7f\u3057\u3066\u60c5\u5831\u3092\u4fdd\u8b77\u3057\u305f\u3002<\/p>\n<p>\u6642\u4ee3\u304c\u9032\u307f\u3001\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u304c\u9032\u5316\u3059\u308b\u306b\u3064\u308c\u3066\u3001\u30c7\u30fc\u30bf\u3092\u5b89\u5168\u306b\u4fdd\u3064\u305f\u3081\u306e\u65b0\u3057\u3044\u65b9\u6cd5\u304c\u5fc5\u8981\u3068\u306a\u308a\u3001\u305d\u3053\u3067OpenVPN\u306e\u767b\u5834\u3068\u306a\u3063\u305f\u3002OpenVPN\u306f\u516c\u958b\u9375\u6697\u53f7\u3068SSL\/TLS\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u9375\u4ea4\u63db\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002OpenVPN\u306fUDP(User Datagram Protocol)\u307e\u305f\u306fTCP(Transmission Control Protocol)\u4e0a\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002OpenVPN\u306f\u3001IPv4\u307e\u305f\u306fIPv6\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u3001\u5358\u4e00\u306e\u30dd\u30fc\u30c8\u4e0a\u3067\u306e\u5b9f\u884c\u306a\u3069\u3001\u591a\u304f\u306e\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-765\" style=\"color: #222222; font-family: Verdana, BlinkMacSystemFont, -apple-system, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; font-size: 15px;\" src=\"http:\/\/securitybriefing.net\/wp-content\/uploads\/2022\/10\/Open-VPN-banner-min.png\" alt=\"VPN\u306e\u30d0\u30ca\u30fc\u3092\u958b\u304f\" width=\"800\" height=\"450\" srcset=\"https:\/\/securitybriefing.net\/wp-content\/uploads\/2022\/10\/Open-VPN-banner-min.png 800w, https:\/\/securitybriefing.net\/wp-content\/uploads\/2022\/10\/Open-VPN-banner-min-300x169.png 300w, https:\/\/securitybriefing.net\/wp-content\/uploads\/2022\/10\/Open-VPN-banner-min-768x432.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2><strong>\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u30fb\u30a8\u30c7\u30a3\u30b7\u30e7\u30f3 <\/strong><strong>\u30aa\u30da<\/strong><strong>nVPN\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u30d7\u30ed\u30c8\u30b3\u30eb<\/strong><\/h2>\n<p>OpenVPN\u306b\u306f2\u3064\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u3042\u308b\uff1a\u00a0<em>OpenVPN \u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u7248<\/em>\u3053\u308c\u306f\u30d5\u30ea\u30fc\u3067\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u3067\u3042\u308b\u3002\u00a0<em>OpenVPN\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u5546\u7528\u88fd\u54c1\u3067\u3042\u308b\u3002<\/em><\/p>\n<h3 id=\"openvpn-community-edition\"><strong>OpenVPN \u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u7248<\/strong><\/h3>\n<p>OpenVPN\u306f\u8ab0\u3067\u3082\u8ca2\u732e\u3067\u304d\u308b\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3001GPL\u30e9\u30a4\u30bb\u30f3\u30b9\u306e\u4e0b\u3067\u904b\u55b6\u3055\u308c\u3066\u3044\u308b\u3002Linux\u3068\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306b\u7cbe\u901a\u3057\u3066\u3044\u308c\u3070\u3001CE\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u306f\u7121\u6599\u3060\u3002<\/p>\n<p>OpenVPN Community Edition\u306fOpenVPN\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 id=\"openvpn-tunneling-protocol\"><strong>OpenVPN\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u30d7\u30ed\u30c8\u30b3\u30eb<\/strong><\/h3>\n<p>OpenVPN\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30c7\u30fc\u30bf\u306e\u4fdd\u8b77\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306bSSL\u6697\u53f7\u5316\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306fAES-256\u6697\u53f7\u304c\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3067\u3001\u7c73\u56fd\u653f\u5e9c\u306b\u3088\u3063\u3066\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u6a19\u6e96\u3067\u3059\u3002\u76e3\u67fb\u7528\u306e\u30b3\u30fc\u30c9\u306f\u8ab0\u3067\u3082\u5165\u624b\u3067\u304d\u308b\u3002\u3064\u307e\u308a\u3001\u8106\u5f31\u6027\u3092\u898b\u3064\u3051\u3066\u4fee\u6b63\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3060\u3002\u3055\u3089\u306b\u3001\u3053\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3088\u308a\u9ad8\u901f\u306a\u63a5\u7d9a\u3092\u63d0\u4f9b\u3057\u3001\u307b\u3068\u3093\u3069\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u901a\u904e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n<p>OpenVPN\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u305d\u306e\u4ed6\u306e\u5229\u70b9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n<ul>\n<li><strong>\u30b5\u30dd\u30fc\u30c8\u3059\u308b\uff1a<\/strong>\u00a0Windows\u3001macOS\u3001Linux\u3001iOS\u3001Android<\/li>\n<li><strong>\u63a5\u7d9a<\/strong>:OpenVPN 2.4P\u3067\u6700\u59275\u53f0\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u9ad8\u901f\u5316<\/li>\n<li><strong>\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\uff1a<\/strong>\u00a0OpenVPN\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3084NAT\u3092\u901a\u904e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>API<\/strong>:\u958b\u767a\u8005\u5411\u3051\u306e\u4f7f\u3044\u3084\u3059\u3044API<\/li>\n<\/ul>\n<h2 id=\"what-is-a-vpn\"><strong>VPN\u3068\u306f\uff1f<\/strong><\/h2>\n<p>\u7ba1\u7406\u8005\u306f\u3001\u7570\u306a\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u6570\u53f0\u306ePC\u3092\u7d50\u5408\u3057\u3066\u3001\u3042\u305f\u304b\u3082\u540c\u3058\u30ed\u30fc\u30ab\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5171\u6709\u3057\u3066\u3044\u308b\u304b\u306e\u3088\u3046\u306b\u898b\u305b\u304b\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u30de\u30b7\u30f3\u306f\u540c\u3058\u90e8\u5c4b\u306b\u3042\u3063\u305f\u308a\u3001\u5730\u7403\u306e\u53cd\u5bfe\u5074\u306b\u3042\u3063\u305f\u308a\u3001\u7121\u7dda\u30a2\u30c3\u30d7\u30ea\u30f3\u30af\u3001\u885b\u661f\u3001\u30c0\u30a4\u30e4\u30eb\u30a2\u30c3\u30d7\u63a5\u7d9a\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u63a5\u7d9a\u30bf\u30a4\u30d7\u3092\u5229\u7528\u3057\u305f\u308a\u3059\u308b\u3002<\/p>\n<p>VPN\u306e \"P \"\u306f\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u610f\u5473\u3059\u308b\u305f\u3081\u3001\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306fVPN\u3068\u547c\u3070\u308c\u308b\u3002VPN\uff09\u30c8\u30f3\u30cd\u30eb\u306fVPN\u3092\u901a\u904e\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30fb\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6307\u3057\u3001\u305d\u308c\u4ee5\u5916\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u30c8\u30f3\u30cd\u30eb\u306e\u5916\u3068\u547c\u3070\u308c\u308b\u3002<\/p>\n<p>\u6b21\u306e\u30b0\u30e9\u30d5\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30fb\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u3044\u304f\u3064\u304b\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u3069\u306e\u3088\u3046\u306b\u901a\u904e\u3059\u308b\u304b\u3092\u793a\u3057\u3066\u3044\u308b\u3002HTTPS\u3068SSH\u306f\u3088\u308a\u5b89\u5168\u306a\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3042\u308b\u305f\u3081\u3001\u3053\u306e\u7a2e\u306e\u30c7\u30fc\u30bf\u3092\u5206\u6790\u3059\u308b\u3053\u3068\u306f\u306f\u308b\u304b\u306b\u5bb9\u6613\u3067\u3042\u308b\u3002\u3069\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u304b\u3089\u3069\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u3069\u306e\u3088\u3046\u306a\u30bf\u30a4\u30d7\u306e\u63a5\u7d9a\u304c\u78ba\u7acb\u3055\u308c\u3066\u3044\u308b\u306e\u304b\u3092\u5224\u65ad\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u305f\u3068\u3048\u898b\u3089\u308c\u308b\u3068\u3057\u3066\u3082\u3001\u8ab0\u304b\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30fb\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u653b\u6483\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/p>\n<p>VPN\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30c8\u30f3\u30cd\u30eb\u5185\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u8b58\u5225\u3067\u304d\u306a\u304f\u306a\u308b\u3002<\/p>\n<h2 id=\"which-traffic-can-be-routed-through-a-vpn\"><strong>VPN\u3092\u7d4c\u7531\u3067\u304d\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\uff1f<\/strong><\/h2>\n<p>\u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08VPN\uff09\u306f\u3001\u753b\u50cf\u3001\u52d5\u753b\u3001\u30cd\u30c3\u30c8\u30b5\u30fc\u30d5\u30a3\u30f3\u3001\u30e1\u30fc\u30eb\u3001\u30c6\u30ad\u30b9\u30c8\u306a\u3069\u3001\u3042\u3089\u3086\u308b\u7a2e\u985e\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6697\u53f7\u5316\u3057\u3001\u30c8\u30f3\u30cd\u30eb\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002VPN\u3092\u4f7f\u7528\u3059\u308b\u4e00\u822c\u7684\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u306f\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n<p><strong>ATM\u30de\u30b7\u30f3<\/strong>:VPN\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001ATM\u306f\u3088\u308a\u9ad8\u3044\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3067\u9280\u884c\u30b7\u30b9\u30c6\u30e0\u306b\u63a5\u7d9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n<p><strong>\u516c\u8846\u7121\u7ddaLAN<\/strong>:\u516c\u8846Wi-Fi\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u653b\u6483\u306e\u6e29\u5e8a\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002VPN\u3092\u4f7f\u3048\u3070\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6697\u53f7\u5316\u3057\u3001\u8ab0\u306b\u3082\u30c7\u30fc\u30bf\u3092\u76d7\u307f\u898b\u3055\u308c\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p><strong>\u30db\u30fc\u30e0\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/strong>:VPN\u3092\u4f7f\u3048\u3070\u3001\u3069\u3053\u304b\u3089\u3067\u3082\u30db\u30fc\u30e0\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3067\u304d\u308b\u3002\u3053\u308c\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ab\u30e1\u30e9\u3084\u30db\u30fc\u30e0\u30aa\u30fc\u30c8\u30e1\u30fc\u30b7\u30e7\u30f3\u30b7\u30b9\u30c6\u30e0\u306a\u3069\u3001\u30db\u30fc\u30e0\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u30c7\u30d0\u30a4\u30b9\u304c\u3042\u308b\u30b9\u30de\u30fc\u30c8\u30db\u30fc\u30e0\u3092\u304a\u6301\u3061\u306e\u5834\u5408\u306b\u7279\u306b\u4fbf\u5229\u3067\u3059\u3002<\/p>\n<p><strong>\u5404\u56fd\u306e\u691c\u95b2\u3092\u8fc2\u56de\u3059\u308b<\/strong>\u00a0\u5317\u671d\u9bae\u3084\u4e2d\u56fd\u306e\u3088\u3046\u306a\u6291\u5727\u7684\u306a\u4f53\u5236\u306b\u4f4f\u3080\u4eba\u3005\u306b\u3068\u3063\u3066\u3001\u653f\u5e9c\u306e\u5c01\u9396\u306b\u3088\u308b\u691c\u95b2\u306f\u5dee\u3057\u8feb\u3063\u305f\u554f\u984c\u3067\u3042\u308b\u3002\u30b0\u30ec\u30fc\u30c8\u30fb\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\uff08\u4e2d\u56fd\u9632\u706b\u58c1\uff09\u300d\u306f\u3001\u5e02\u6c11\u304c\u5916\u754c\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u53cd\u4e71\u3092\u523a\u6fc0\u3059\u308b\u3088\u3046\u306a\u30cb\u30e5\u30fc\u30b9\u3084\u60c5\u5831\u3092\u5f97\u308b\u3053\u3068\u3092\u963b\u6b62\u3059\u308b\u3002<\/p>\n<p><strong>\u30d3\u30b8\u30cd\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/strong>:\u4f01\u696d\u3084\u305d\u306e\u4ed6\u306e\u7d44\u7e54\u306f\u3001VPN\u3092\u4f7f\u3063\u3066\u8907\u6570\u306e\u30aa\u30d5\u30a3\u30b9\u3084\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u5168\u4f53\u3092\u63a5\u7d9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3059\u308b\u3068\u540c\u6642\u306b\u3001\u5f93\u696d\u54e1\u9593\u306e\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u3084\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><strong>GeoIP\u30b5\u30fc\u30d3\u30b9<\/strong>:Hulu\u3001YouTube\u3001Netflix\u3092\u542b\u3080\u3044\u304f\u3064\u304b\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306f\u3001GeoIP\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3084\u305d\u306e\u4ed6\u306e\u8a18\u9332\u3092\u4f7f\u7528\u3057\u3066\u3001\u5834\u6240\u306b\u57fa\u3065\u3044\u3066\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u914d\u4fe1\u3057\u3066\u3044\u307e\u3059\u3002\u5e0c\u671b\u3059\u308b\u5730\u57df\u306b\u8fd1\u3044VPN\u30b5\u30fc\u30d0\u30fc\u3092\u7d4c\u7531\u3057\u3066\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u63a5\u7d9a\u3092\u300c\u30d0\u30a6\u30f3\u30b9\u300d\u3059\u308b\u3053\u3068\u3067\u3001\u304a\u4f4f\u307e\u3044\u306e\u5730\u57df\u3067\u306f\u8996\u8074\u3067\u304d\u306a\u3044\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3055\u3089\u306b\u3001VPN\u306f\u3001\u7981\u6b62\u3055\u308c\u305f\u6620\u753b\u3084\u8457\u4f5c\u6a29\u3067\u4fdd\u8b77\u3055\u308c\u305f\u30c6\u30ec\u30d3\u756a\u7d44\u306e\u8996\u8074\u306b\u95a2\u9023\u3059\u308b\u6cd5\u7684\u51e6\u7f70\u304b\u3089\u3042\u306a\u305f\u3092\u5b88\u308a\u307e\u3059\u3002<\/p>\n<p>\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30fb\u30c8\u30f3\u30cd\u30eb\u306f\u3001\u516c\u5171\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304b\u3089\u5b8c\u5168\u306b\u906e\u65ad\u3055\u308c\u307e\u3059\u3002VPN\u81ea\u4f53\u306f\u4e0a\u306e\u5199\u771f\u306e\u3088\u3046\u306b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u6a2a\u65ad\u3057\u307e\u3059\u304c\u3001\u305d\u306e\u30eb\u30fc\u30c8\u4e0a\u306e\u30c7\u30d0\u30a4\u30b9\u306fVPN\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3057\u304b\u898b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u306a\u305c\u306a\u3089VPN\u306f\u3001\u305d\u306e\u30c8\u30f3\u30cd\u30eb\u5185\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3060\u3051\u3067\u306a\u304f\u3001\u30c8\u30f3\u30cd\u30eb\u5916\u306e\u4ed6\u306e\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u306e\u500b\u3005\u306e\u30c7\u30fc\u30bf\u30b9\u30c8\u30ea\u30fc\u30e0\u3082\u6697\u53f7\u5316\u3059\u308b\u304b\u3089\u3060\u3002\u8a00\u3044\u63db\u3048\u308c\u3070\u3001\u305f\u3068\u3048\u8ab0\u304b\u304c\u3053\u308c\u3089\u306e\u30c7\u30fc\u30bf\u30fb\u30b9\u30c8\u30ea\u30fc\u30e0\u306e1\u3064\u3092\u508d\u53d7\u3067\u304d\u305f\u3068\u3057\u3066\u3082\u3001VPN\u306f\u305d\u308c\u3092\u6697\u53f7\u5316\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u89e3\u8aad\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3002<\/p>\n<p>\u4e21\u5074\u306e\u30eb\u30fc\u30bf\u30fc\u3068\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u304c\u30c8\u30f3\u30cd\u30eb\u3092\u4f5c\u308b\u3002VPN\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5236\u5fa1\u3059\u308b\u305f\u3081\u306e\u7279\u5225\u306a\u5bfe\u7b56\u3092\u8b1b\u3058\u306a\u3051\u308c\u3070\u3001VPN\u30c8\u30f3\u30cd\u30eb\u3092\u901a\u904e\u3059\u308b\u3059\u3079\u3066\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30fb\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u3001\u901a\u5e38\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u7701\u304f\u3053\u3068\u306b\u306a\u308b\u3002<\/p>\n<h2 id=\"data-encryption-and-authentication\"><strong>\u30c7\u30fc\u30bf\u306e\u6697\u53f7\u5316\u3068\u8a8d\u8a3c<\/strong><\/h2>\n<p>VPN\u306f\u6697\u53f7\u5316\u3068\u8a8d\u8a3c\u3092\u4f7f\u3063\u3066\u3001\u3042\u306a\u305f\u306e\u30c7\u30fc\u30bf\u3092\u4ed6\u4eba\u306b\u898b\u3089\u308c\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u6697\u53f7\u5316\u306b\u3088\u3063\u3066\u30c7\u30fc\u30bf\u306f\u7406\u89e3\u3055\u308c\u306b\u304f\u304f\u306a\u308a\u3001\u8a8d\u8a3c\u306b\u3088\u3063\u3066\u9069\u5207\u306a\u4eba\u3060\u3051\u304c\u30c7\u30fc\u30bf\u3092\u898b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u7b2c\u4e00\u5c64\u306f\u8a8d\u8a3c\u3067\u3001\u8a8d\u53ef\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u3060\u3051\u304c\u30b5\u30fc\u30d3\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002\u3053\u308c\u306f\u3001\u5404\u30e6\u30fc\u30b6\u30fc\u306e\u8a3c\u660e\u66f8\u3001\u307e\u305f\u306f\u30e6\u30fc\u30b6\u30fc\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u3067\u884c\u308f\u308c\u308b\u3002\u305d\u306e\u5f8c\u3001\u7279\u5b9a\u306e\u30eb\u30fc\u30c8\u3084\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u306a\u3069\u3001\u30e6\u30fc\u30b6\u30fc\u72ec\u81ea\u306e\u5236\u9650\u3092\u8a2d\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u3053\u308c\u3089\u306f\u4e00\u822c\u7684\u306b1\u3064\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306b\u9650\u5b9a\u3055\u308c\u308b\u304c\u3001\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3002<\/p>\n<p>\u7b2c\u4e8c\u306b\u3001\u901a\u4fe1\u30c1\u30e3\u30cd\u30eb\u3092\u3088\u308a\u4fdd\u8b77\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u305d\u306e\u305f\u3081\u306b\u3001\u9001\u4fe1\u3055\u308c\u308b\u5404\u30d1\u30b1\u30c3\u30c8\u306b\u7f72\u540d\u3059\u308b\u3002\u3053\u308c\u306f\u3001\u5404\u30b7\u30b9\u30c6\u30e0\u304c\u53d7\u4fe1\u3057\u305fVPN\u30d1\u30b1\u30c3\u30c8\u304c\u9069\u5207\u306b\u7f72\u540d\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u691c\u8a3c\u3059\u308b\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u3002\u6697\u53f7\u5316\u3055\u308c\u305f\u30d1\u30b1\u30c3\u30c8\u3092\u8a8d\u8a3c\u3059\u308b\u3053\u3068\u3067\u3001\u30b7\u30b9\u30c6\u30e0\u306f\u8a8d\u8a3c\u57fa\u6e96\u3092\u6e80\u305f\u3055\u306a\u3044\u30d1\u30b1\u30c3\u30c8\u3092\u5fa9\u53f7\u5316\u305b\u305a\u306b\u6e08\u307f\u3001\u51e6\u7406\u6642\u9593\u3092\u7bc0\u7d04\u3067\u304d\u308b\u3002\u7f72\u540d\u9375\u3092\u5b89\u5168\u306b\u4fdd\u7ba1\u3059\u308c\u3070\u3001\u30b5\u30fc\u30d3\u30b9\u62d2\u5426\u653b\u6483\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u308b\uff01<\/p>\n<h2 id=\"pptp-vs-openvpn\"><strong>PPTP\u3068OpenVPN\u306e\u6bd4\u8f03<\/strong><\/h2>\n<p>\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u305fPPTP\uff08Point-to-Point Tunneling Protocol\uff09\u306f\u3001\u6700\u3082\u53e4\u304f\u3001\u6700\u3082\u4e00\u822c\u7684\u306aVPN\u30d7\u30ed\u30c8\u30b3\u30eb\u306e1\u3064\u3067\u3059\u3002OpenVPN\u306f\u3082\u3046\u5c11\u3057\u73fe\u4ee3\u7684\u3067\u3001\u6b63\u3057\u304f\u8a2d\u5b9a\u3059\u308c\u3070\u3088\u308a\u5b89\u5168\u3067\u3059\u3002<\/p>\n<p>OpenVPN\u306f\u6697\u53f7\u5316\u306bSSL\/TLS\u3092\u4f7f\u7528\u3057\u3001\u30a6\u30a7\u30d6\u30d6\u30e9\u30a6\u30b6\u304c\u5b89\u5168\u306a\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3059\u308b\u306e\u3068\u540c\u3058\u6280\u8853\u3067\u3059\u3002OpenVPN\u306f\u3088\u308a\u67d4\u8edf\u3067\u3001\u3055\u307e\u3056\u307e\u306a\u4f7f\u7528\u30b1\u30fc\u30b9\u306b\u5408\u308f\u305b\u3066\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u304c\u3001PPTP\u306f\u8a2d\u5b9a\u304c\u975e\u5e38\u306b\u7c21\u5358\u3067\u3059\u304c\u3001\u67d4\u8edf\u6027\u306b\u6b20\u3051\u307e\u3059\u3002<\/p>\n<p>OpenVPN\u306fPPTP\u3088\u308a\u3082\u5b89\u5168\u3067\u3059\u304c\u3001\u8a2d\u5b9a\u304c\u96e3\u3057\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002VPN\u3092\u8a2d\u5b9a\u3059\u308b\u306e\u304c\u9762\u5012\u306a\u5834\u5408\u306f\u3001PPTP\u3092\u5229\u7528\u3059\u308b\u3068\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<h2 id=\"how-to-use-openvpn\"><strong>OpenVPN\u306e\u4f7f\u3044\u65b9<\/strong><\/h2>\n<h3 id=\"for-windows-platforms\"><strong>Windows\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u7528<\/strong><\/h3>\n<p>\u307e\u305a\u3001OpenVPN\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002Windows\u3068Mac\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u6700\u65b0\u7248\u306eV3\u3001\u00a0<a href=\"https:\/\/openvpn.net\/client-connect-vpn-for-windows\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u3053\u308c<\/a>.<\/p>\n<p>OpenVPN\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u3089\u3001\u305d\u308c\u3092\u8d77\u52d5\u3057\u3001.ovpn\u30d5\u30a1\u30a4\u30eb\u3092<\/p>\n<p>OpenVPN\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u3089\u3001\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u3001OpenVPN\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306bVPN\u30b5\u30fc\u30d0\u30fc\u3078\u306e\u63a5\u7d9a\u65b9\u6cd5\u3092\u6307\u793a\u3057\u307e\u3059\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306fVPN\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304b\u3089\u5165\u624b\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u3089\u3001OpenVPN\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u958b\u304d\u307e\u3059\u3002OpenVPN\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u30e6\u30fc\u30b6\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u805e\u3044\u3066\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u3092\u5165\u529b\u3059\u308b\u3068\u3001OpenVPN\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306fVPN\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3057\u307e\u3059\u3002<\/p>\n<p>OpenVPN\u304c\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u307e\u3059\u3002IP\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u00a0<a href=\"https:\/\/www.whatismyip.com\/ip-address-lookup\/\" target=\"_blank\" rel=\"noreferrer noopener\">whatismyip.com<\/a>.IP\u30a2\u30c9\u30ec\u30b9\u304c\u5909\u66f4\u3055\u308c\u305f\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<h3 id=\"for-macos-platforms\"><strong>macOS\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u7528<\/strong><\/h3>\n<p>Mac\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001macOS\u7528\u306eOpenVPN\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u4ee5\u4e0b\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u307e\u3059\u3002\u00a0<a href=\"https:\/\/openvpn.net\/client-connect-vpn-for-mac-os\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u3053\u308c<\/a>.<\/p>\n<p>OpenVPN\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u3089\u3001\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u3001OpenVPN\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306bVPN\u30b5\u30fc\u30d0\u30fc\u3078\u306e\u63a5\u7d9a\u65b9\u6cd5\u3092\u6307\u793a\u3057\u307e\u3059\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306fVPN\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304b\u3089\u5165\u624b\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u3089\u3001OpenVPN\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u958b\u304d\u307e\u3059\u3002OpenVPN\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u3001\u30e6\u30fc\u30b6\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u5165\u529b\u3092\u6c42\u3081\u3066\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u3092\u5165\u529b\u3059\u308b\u3068\u3001OpenVPN\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306fVPN\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3057\u307e\u3059\u3002<\/p>\n<p>OpenVPN\u304c\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3042\u306a\u305f\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3053\u3068\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001whatismyip.com\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u304f\u3060\u3055\u3044\u3002IP\u30a2\u30c9\u30ec\u30b9\u304c\u5909\u66f4\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<h3 id=\"for-linux-platforms\"><strong>Linux\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u5834\u5408<\/strong><\/h3>\n<p>Linux\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001Linux\u7528\u306eOpenVPN\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u4ee5\u4e0b\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u307e\u3059\u3002\u00a0<a href=\"https:\/\/openvpn.net\/cloud-docs\/openvpn-3-client-for-linux\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u3053\u308c<\/a>.<\/p>\n<h4 id=\"installation-for-debian-and-ubuntu\"><strong>Debian\u3068Ubuntu\u3078\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/strong><\/h4>\n<p>Debian\u3084Ubuntu\u3092\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067OpenVPN\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u307e\u3059\uff1a<\/p>\n<ol>\n<li>\u3092\u62bc\u3057\u3066\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u958b\u304f\u3002 <strong>ctrl<\/strong> + <strong>\u30a2\u30eb\u30c8<\/strong> + <strong>T<\/strong><\/li>\n<li>\u00a0\u30bf\u30fc\u30df\u30ca\u30eb\u306b\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3059\u308b\uff1a\u00a0<code>sudo apt \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb apt-transport-https<\/code>.\u6b21\u306broot\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5165\u529b\u3059\u308b\u3002<\/li>\n<li>\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3059\u308b\uff1a <code>sudo wget https:\/\/swupdate.openvpn.net\/repos\/openvpn-repo-pkg-key.pub<\/code>.\u3053\u308c\u306f OpenVPN 3 Linux \u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u4f7f\u308f\u308c\u308b OpenVPN \u30ea\u30dd\u30b8\u30c8\u30ea\u30ad\u30fc\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/li>\n<li>\u30bf\u30fc\u30df\u30ca\u30eb\u306b\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3059\u308b\uff1a\u00a0<code>sudo apt-key \u8ffd\u52a0 openvpn-repo-pkg-key.pub<\/code><\/li>\n<li>\u30bf\u30fc\u30df\u30ca\u30eb\u306b\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3059\u308b\uff1a <code>sudo wget -O \/etc\/apt\/sources.list.d\/openvpn3.list https:\/\/swupdate.openvpn.net\/community\/openvpn3\/repos\/openvpn3-$DISTRO.list<\/code>.\u304a\u4f7f\u3044\u306eDebian\/Ubuntu\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u3063\u3066\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u7f6e\u304d\u63db\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u00a0<em>$DISTRO<\/em>\u00a0\u3092\u4ee5\u4e0b\u306e\u8868\u304b\u3089\u6b63\u3057\u3044\u30ea\u30ea\u30fc\u30b9\u540d\u3067\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>\u30bf\u30fc\u30df\u30ca\u30eb\u306b\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3059\u308b\uff1a\u00a0<code>sudo apt \u30a2\u30c3\u30d7\u30c7\u30fc\u30c8<\/code><\/li>\n<li>\u30bf\u30fc\u30df\u30ca\u30eb\u306b\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3059\u308b\uff1a\u00a0<code>sudo apt \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb openvpn3<\/code>.\u3053\u306e\u30b3\u30fc\u30c9\u306fOpenVPN 3\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<h4 id=\"installation-using-ovpn-profile\"><strong>.ovpn\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u7528\u3057\u305f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/strong><\/h4>\n<p>VPN\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304b\u3089OpenVPN\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\uff08.ovpn\u30d5\u30a1\u30a4\u30eb\uff09\u3092\u5165\u624b\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u3053\u306e\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u3063\u3066VPN\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u30ef\u30f3\u30b7\u30e7\u30c3\u30c8\u306e\u30b3\u30f3\u30d5\u30a3\u30ae\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u30fb\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001\u30bf\u30fc\u30df\u30ca\u30eb\u306b\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u307e\u3059\uff1a\u00a0<code>openvpn3 \u30bb\u30c3\u30b7\u30e7\u30f3\u958b\u59cb --\u8a2d\u5b9a ${MY_CONFIGURATION_FILE}.\u00a0<\/code><\/li>\n<li>Terminal\u306b\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u3001\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3066VPN\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u958b\u59cb\u3059\u308b\uff1a\u00a0<code>openvpn3 config-import --config ${MY_CONFIGURATION_FILE}\u3002<\/code>.<\/li>\n<li>\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u305f\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u65b0\u3057\u3044VPN\u63a5\u7d9a\u3092\u78ba\u7acb\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\uff1a\u00a0<code>openvpn3 session-start --config ${CONFIGURATION_PROFILE_NAME}\u3002<\/code>.<\/li>\n<\/ol>\n<h3 id=\"installation-for-red-hat-enterprise-linux-or-scientific-linux\"><strong>Red Hat Enterprise Linux\u307e\u305f\u306fScientific Linux\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/strong><\/h3>\n<p>Red Hat Enterprise Linux\u307e\u305f\u306fScientific Linux 7\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067OpenVPN\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u307e\u3059\uff1a<\/p>\n<ol>\n<li>\u691c\u7d22\u30d0\u30fc\u306b\"<strong>\u30bf\u30fc\u30df\u30ca\u30eb\u306b\u3042\u308b\u3002<\/strong>\"<br \/>\nRHEL\/CentOS 6\uff1a <code>sudo yum \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb https:\/\/dl.fedoraproject.org\/pub\/epel\/epel-release-latest-6.noarch.rpm<\/code>&nbsp;<\/p>\n<p>RHEL\/CentOS 7\uff1a\u00a0<code>sudo yum \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb https:\/\/dl.fedoraproject.org\/pub\/epel\/epel-release-latest-7.noarch.rpm<\/code><br \/>\nRHEL 7\u3067\u306f\u3001EPEL\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u3053\u308c\u3089\u306e\u30ea\u30dd\u30b8\u30c8\u30ea\u304b\u3089\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u4f9d\u5b58\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001optional\u3001extras\u3001\u304a\u3088\u3073HA\u30ea\u30dd\u30b8\u30c8\u30ea\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u3082\u63a8\u5968\u3055\u308c\u308b\uff1a\u00a0<code>sudo subscription-manager repos --enable \"rhel-*-optional-rpms\" --enable \"rhel-*-extras-rpms\" --enable \"rhel-ha-for-rhel-*-server-rpms\".<\/code><\/p>\n<p>&nbsp;<\/p>\n<p>RHEL\/CentOS 8\uff1a\u00a0<code>sudo yum \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb https:\/\/dl.fedoraproject.org\/pub\/epel\/epel-release-latest-8.noarch.rpm<\/code>Red Hat 8 \u3067\u5fc5\u8981\u306a\u30b5\u30fc\u30d3\u30b9\u3092\u6709\u52b9\u306b\u3057\u307e\u3059\u3002\u00a0<code>EPEL\u30d1\u30c3\u30b1\u30fc\u30b8\u306fcodeready-builder-for-rhel-8-${ARCH}-rpms\u30ea\u30dd\u30b8\u30c8\u30ea\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/code><\/p>\n<p>&nbsp;<\/p>\n<p>\u3055\u3089\u306b\u3001CentOS 8\u30e6\u30fc\u30b6\u30fc\u306b\u306f\u3001\u4e00\u90e8\u306eEPEL\u30d1\u30c3\u30b1\u30fc\u30b8\u304cPowerTools\u30ea\u30dd\u30b8\u30c8\u30ea\u306e\u8ffd\u52a0\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001PowerTools\u30ea\u30dd\u30b8\u30c8\u30ea\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3059\u308b\uff1a<code>sudo dnf config-manager --set-enabled PowerTools<\/code><\/li>\n<li>\u307e\u305ayum copr\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\uff1a <code>sudo yum \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb yum-plugin-copr<\/code>.<\/li>\n<li>Copr \u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u6709\u52b9\u306b\u3057\u3066\u3001OpenVPN 3 Copr \u30ea\u30dd\u30b8\u30c8\u30ea\u3092\u30aa\u30f3\u306b\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\uff1a <code>sudo yum copr \u6709\u52b9\u5316 dsommers\/openvpn3<\/code><\/li>\n<li>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5f8c\u3001OpenVPN 3 Linux \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067\u8d77\u52d5\u3067\u304d\u307e\u3059\uff1a\u00a0<code>sudo yum \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb openvpn3-client<\/code><\/li>\n<\/ol>\n<p>OpenVPN\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u5168\u4f53\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u308b\u5f37\u529b\u3067\u67d4\u8edf\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002VPN\u3092\u4f7f\u3044\u59cb\u3081\u308b\u524d\u306b\u3001VPN\u306e\u4ed5\u7d44\u307f\u306e\u57fa\u672c\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u304c\u3001\u4e00\u5ea6\u7406\u89e3\u3057\u3066\u3057\u307e\u3048\u3070\u3001OpenVPN\u306f\u3042\u306a\u305f\u306e\u30c7\u30fc\u30bf\u3092\u5b89\u5168\u306b\u4fdd\u3064\u305f\u3081\u306e\u7d20\u6674\u3089\u3057\u3044\u65b9\u6cd5\u3068\u306a\u308a\u307e\u3059\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u73fe\u4ee3\u793e\u4f1a\u306b\u304a\u3044\u3066\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306f\u4ed6\u306e\u516c\u5171\u30b5\u30fc\u30d3\u30b9\u3068\u540c\u69d8\u306b\u91cd\u8981\u3067\u3042\u308b\u3002\u65b0\u3057\u3044\u5bb6\u3092\u8cfc\u5165\u3059\u308b\u3068\u304d\u3001\u3042\u308b\u3044\u306f\u4f1a\u793e\u3092\u958b\u696d\u3059\u308b\u3068\u304d\u3001\u8ab0\u3082\u304c\u307e\u305a\u6c17\u306b\u3059\u308b\u306e\u306f......\u3002 <a class=\"more-link\" href=\"https:\/\/securitybriefing.net\/ja\/%e3%83%96%e3%82%a4%e3%83%94%e3%83%bc%e3%82%a8%e3%83%8c\/openvpn-%e3%81%ae%e7%b4%b9%e4%bb%8b\/\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"screen-reader-text\">OpenVPN\u5165\u9580<\/span><\/a><\/p>","protected":false},"author":3,"featured_media":1000,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[],"class_list":["post-713","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vpn","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Introduction to OpenVPN | Security Briefing<\/title>\n<meta name=\"description\" content=\"Want to learn more about how OpenVPN works? 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