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\/><strong>\u30fb\u30df\u30e9\u30fc\u30dd\u30fc\u30c8\u306b\u3088\u308b\u30d1\u30b1\u30c3\u30c8\u306e\u53d6\u5f97\u3068\u305d\u308c\u306b\u95a2\u3059\u308b\u30d7\u30ed\u30df\u30b9\u30ad\u30e3\u30b9\u30e2\u30fc\u30c9\u3092\u554f\u3046\u554f\u984c<\/strong><\/p>\r\n<p>\u30d1\u30b1\u30c3\u30c8\u306e\u53d6\u5f97\u306b\u3064\u3044\u3066\u306e\u53d6\u5f97\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3068\u3001\u5f80\u5fa9\u306e\u30d1\u30b1\u30c3\u30c8\u3092\u53d6\u5f97\u3057\u305f\u5834\u5408\u306b\u5e2f\u57df\u304c\u4e0d\u8db3\u3059\u308b\u554f\u984c\u304c\u3042\u308b\u4e8b\u306b\u3064\u3044\u3066\u554f\u308f\u308c\u308b\u3002\u307e\u305f\u3001\u53d6\u5f97\u3059\u308b\u30b5\u30fc\u30d0\u306f\u5b9b\u5148MAC\u3084IP\u30a2\u30c9\u30ec\u30b9\u304c\u81ea\u5206\u5b9b\u3067\u306f\u306a\u3044\u305f\u3081\u30d7\u30ed\u30df\u30b9\u30ad\u30e3\u30b9\u30e2\u30fc\u30c9\u3092\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u4e8b\u306b\u3064\u3044\u3066\u628a\u63e1\u3057\u3066\u304a\u304f\u3002<\/p>\r\n<p><br \/><strong>\u30fbDMZ\u306e\u5fc5\u8981\u6027\u3092\u554f\u3046\u554f\u984c<\/strong><\/p>\r\n<p>\u306a\u305cDMZ\u304c\u5fc5\u8981\u304b\u306b\u3064\u3044\u3066\u554f\u308f\u308c\u308b\u554f\u984c\u304c\u3042\u3063\u305f\u3002\u4e00\u822c\u7684\u306b\u306f\u5185\u90e8\u74b0\u5883\u306e\u30b5\u30fc\u30d0\u3084PC\u306a\u3069\u306b\u4fb5\u5165\u3055\u308c\u308b\u30ea\u30b9\u30af\u304c\u3042\u308b\u305f\u3081\u3067\u3042\u308b\u3002<\/p>\r\n<p><br \/><strong>\u30fb\u8a8d\u8a3c\u3068\u8a8d\u53ef\u306e\u9055\u3044\u3092\u554f\u3046\u554f\u984c<\/strong><\/p>\r\n<p>\u8a8d\u8a3c\u3068\u8a8d\u53ef\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u6307\u5b9a\u6587\u5b57\u6570\u3067\u7b54\u3048\u3089\u308c\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304f\u3002<\/p>\r\n<p>\u8a8d\u8a3c\u306f\u672c\u4eba\u78ba\u8a8d\u306e\u305f\u3081\u3001\u8a8d\u53ef\u306f\u5229\u7528\u53ef\u80fd\u306a\u6a29\u9650\u304c\u3042\u308b\u304b\u3092\u5224\u65ad\u3059\u308b\u305f\u3081\u3002<\/p>\r\n<p><br \/><strong>\u30fbSSL-VPN\u3001IPsec\u3001IP-VPN\u306b\u3064\u3044\u3066<\/strong><\/p>\r\n<p>\u305d\u308c\u305e\u308c\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u3056\u3063\u304f\u308a\u3068\u3067\u3082\u628a\u63e1\u3057\u3066\u304a\u304f\u3002<\/p>\r\n<p>IPsec\u306b\u3064\u3044\u3066\u306f\u30dd\u30fc\u30c8\u756a\u53f7\u3092\u6301\u305f\u306a\u3044\u306e\u3067\u3001\u305d\u308c\u306b\u95a2\u3059\u308b\u554f\u984c\uff1aNAPT\u306e\u5fc5\u8981\u6027\u306a\u3069<br \/>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30e2\u30fc\u30c9\u3068\u30c8\u30f3\u30cd\u30eb\u30e2\u30fc\u30c9\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u554f\u3046\u554f\u984c\u304c\u983b\u51fa\u306a\u5370\u8c61\u3002\u30c8\u30f3\u30cd\u30eb\u30e2\u30fc\u30c9\u306b\u3064\u3044\u3066\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c\u30ab\u30d7\u30bb\u30eb\u5316\u306b\u3088\u308a\u96a0\u853d\u3067\u304d\u308b\u70b9\u306b\u3064\u3044\u3066\u899a\u3048\u3066\u304a\u304f\u3002<\/p>\r\n<p><br \/>\u30d5\u30eb\u30e1\u30c3\u30b7\u30e5\u3068\u30cf\u30d6\u30a2\u30f3\u30c9\u30b9\u30dd\u30fc\u30af\u306b\u3064\u3044\u3066\u554f\u3046\u554f\u984c\u306b\u3064\u3044\u3066\u306f\u3001\u30e1\u30ea\u30c3\u30c8\u3001\u30c7\u30e1\u30ea\u30c3\u30c8\u306b\u3064\u3044\u3066\u628a\u63e1\u3057\u3066\u304a\u304f\u3002\u30d5\u30eb\u30e1\u30c3\u30b7\u30e5\u306f\u7d4c\u8def\u304c\u8907\u96d1\u306b\u306a\u308b\u304c\u6700\u77ed\u7d4c\u8def\u3067\u901a\u4fe1\u3067\u304d\u308b\u3053\u3068\u3001\u30cf\u30d6\u30a2\u30f3\u30c9\u30b9\u30dd\u30fc\u30af\u306f\u7d4c\u8def\u8a2d\u5b9a\u304c\u697d\u306b\u306a\u308b\u4e8b\u3002<\/p>\r\n<p>IP-VPN\u3067\u306fMPLS\u306b\u3064\u3044\u3066\u77e5\u3063\u3066\u3044\u308b\u304b\u3092\u554f\u308f\u308c\u308b<\/p>\r\n<p><br \/><strong>\u30fb\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u8a3c\u660e\u66f8\u3001\u30b5\u30fc\u30d0\u8a3c\u660e\u66f8\u306b\u95a2\u3059\u308b\u554f\u984c<\/strong><\/p>\r\n<p>\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u306b\u3088\u308b\u30eb\u30fc\u30c8\u8a3c\u660e\u66f8\u3092\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u8a2d\u7f6e\u3059\u308b\u5fc5\u8981\u6027\u306a\u3069\u3002<\/p>\r\n<p>\u73fe\u5b9f\u306b\u306f\u3042\u307e\u308a\u884c\u308f\u308c\u306a\u3044\u3068\u306e\u4e8b\u3060\u304c\u3001\u30b5\u30fc\u30d0\u5074\u306e\u30eb\u30fc\u30c8\u8a3c\u660e\u66f8\u3092\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u306b\u6301\u3063\u3066\u304f\u308b\u3068\u304b\u3067\u3082\u5bfe\u5fdc\u306f\u53ef\u80fd\u3002<\/p>\r\n<p><br \/><strong>\u30fbECMP\u306e\u30d1\u30b1\u30c3\u30c8\u30e2\u30fc\u30c9\u3001\u30d5\u30ed\u30fc\u30e2\u30fc\u30c9\u306e\u9055\u3044\u3068\u30d1\u30b1\u30c3\u30c8\u30e2\u30fc\u30c9\u306e\u554f\u984c\u70b9\u306b\u3064\u3044\u3066\u554f\u3046\u554f\u984c<\/strong><\/p>\r\n<p>ECMP\u306f\u30b3\u30b9\u30c8\u306e\u5408\u8a08\u5024\u3092\u540c\u3058\u306b\u3059\u308b\u4e8b\u3067\u5b9f\u73fe\u53ef\u80fd\u3068\u3044\u3046\u4e8b\u306b\u3064\u3044\u3066\u899a\u3048\u3066\u304a\u304f\u3002\u30d1\u30b1\u30c3\u30c8\u30e2\u30fc\u30c9\u306e\u5834\u5408\u306b\u306f\u30e9\u30f3\u30c0\u30e0\u306b\u7d4c\u8def\u3092\u30d1\u30b1\u30c3\u30c8\u304c\u6d41\u308c\u308b\u306e\u3067\u901a\u4fe1\u52b9\u7387\u306f\u826f\u304f\u306a\u308b\u304c\u30d1\u30b1\u30c3\u30c8\u306e\u9806\u756a\u304c\u4e71\u308c\u308b\u554f\u984c\u306b\u3064\u3044\u3066\u7b54\u3048\u3089\u308c\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304f\u3002<\/p>\r\n<p><br \/><strong>\u30fb\u30a2\u30c9\u30d0\u30bf\u30a4\u30ba\u30e1\u30f3\u30c8\u3068KEEPALIVE\u306e\u9055\u3044\u3092\u554f\u3046\u554f\u984c<\/strong><\/p>\r\n<p>\u30a2\u30c9\u30d0\u30bf\u30a4\u30ba\u30e1\u30f3\u30c8\u306f\u4e00\u65b9\u901a\u884c\u306e\u901a\u77e5\u3067\u3042\u308b\u3002\u305f\u3060\u305d\u3046\u3067\u306f\u3042\u3063\u3066\u3082\u300c\u30a2\u30c9\u30d0\u30bf\u30a4\u30ba\u30e1\u30f3\u30c8\u300d\u3068\u547c\u79f0\u3057\u306a\u3044\u901a\u77e5\u65b9\u6cd5\u3082\u3042\u308b\u305f\u3081\u3001\u899a\u3048\u3066\u304a\u304f\u65b9\u304c\u7121\u96e3\u3002<\/p>\r\n<p><br \/><strong>\u30fb\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u306b\u95a2\u3059\u308b\u554f\u984c\u3067\u30d7\u30ed\u30ad\u30b7\u9664\u5916\u30ea\u30b9\u30c8\u306e\u5fc5\u8981\u6027\u3084PAC\u306b\u3088\u308b\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u306e\u9078\u5b9a\u306a\u3069\u306e\u65b9\u6cd5\u306b\u3064\u3044\u3066\u554f\u3046\u554f\u984c<\/strong><\/p>\r\n<p>\u7279\u5b9a\u306e\u901a\u4fe1\u306e\u307f\u5225\u306e\u30d7\u30ed\u30ad\u30b7\u3092\u901a\u904e\u3055\u305b\u305f\u3044\u5834\u5408\u3084\u3001\u90e8\u9580\u3084\u652f\u793e\u306b\u3088\u3063\u3066\u30d7\u30ed\u30ad\u30b7\u3092\u5206\u3051\u305f\u3044\u5834\u5408\u306a\u3069\u306e\u30d1\u30bf\u30fc\u30f3\u304c\u3042\u308b\u304c\u3001\u3044\u305a\u308c\u306b\u3057\u3066\u3082\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u3092\u632f\u308a\u5206\u3051\u305f\u3044\u5834\u5408\u306f\u30d7\u30ed\u30ad\u30b7\u9664\u5916\u30ea\u30b9\u30c8\u3084PAC\u306b\u3088\u308b\u632f\u308a\u5206\u3051\u65b9\u6cd5\u304c\u3042\u308b\u4e8b\u3092\u899a\u3048\u3066\u304a\u304f\u3002<\/p>\r\n<p><br \/><strong>\u30fb\u30bb\u30b0\u30e1\u30f3\u30c8\u304c\u5225\u306e\u901a\u4fe1\u306b\u3064\u3044\u3066\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u8a2d\u5b9a\u3084MAC\u30a2\u30c9\u30ec\u30b9\u306e\u5909\u5316\uff08ping\u3001traceroute\u3067\u3069\u3046\u306a\u308b\u304b\u306a\u3069\uff09L3SW\u3001L2SW\u3092\u7d4c\u7531\u3057\u305f\u901a\u4fe1\u306e\u30d1\u30b1\u30c3\u30c8\u304c\u3069\u3046\u306a\u308b\u304b\u306b\u3064\u3044\u3066\u554f\u3046\u554f\u984c<\/strong><\/p>\r\n<p>\u8a2d\u554f\u4e2d\u3067\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u30eb\u30fc\u30c8\u304c\u3069\u3046\u306a\u3063\u3066\u3044\u308b\u304b\u306a\u3069\u660e\u793a\u3055\u308c\u306a\u3044\u4e8b\u3082\u3042\u308b\u305f\u3081\u3001\u7a3c\u50cd\u524d\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u3044\u3046\u72b6\u6cc1\u3067\u306f\u3042\u308b\u7a0b\u5ea6\u30c7\u30d5\u30a9\u30eb\u30c8\u30eb\u30fc\u30c8\u304c\u3069\u3046\u306a\u3063\u3066\u3044\u308b\u304b\u3092\u60f3\u50cf\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\r\n<p>\u57fa\u672c\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u3069\u3053\u306b\u5411\u304b\u3046\u304b\u5206\u304b\u3089\u306a\u3044\u901a\u4fe1\u3092\u632f\u308a\u5206\u3051\u308b\u305f\u3081\u306b\u8a2d\u5b9a\u3059\u308b\u7d4c\u8def\u8a2d\u5b9a\u3067\u3042\u308b\u4e8b\u3002<\/p>\r\n<p>ping\u306b\u3088\u308b\u6b7b\u6d3b\u78ba\u8a8d\u306b\u3064\u3044\u3066\u306e\u554f\u984c\u306f\u983b\u51fa\u3059\u308b\u306e\u3067\u3001ICMP\u306e\u4ed5\u69d8\u3084\u52d5\u4f5c\u306b\u3064\u3044\u3066\u899a\u3048\u3066\u304a\u304f\u3002<\/p>\r\n<p><br \/><strong>\u30fbHTTP\/2\u306b\u3064\u3044\u3066\u3001ALPN\u306e\u5185\u5bb9\u306a\u3069<\/strong><\/p>\r\n<p>HTTP\/1\u7cfb\u3068\u6df7\u5728\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210\u306b\u3064\u3044\u3066\u3001ALPN\u304c\u4e0a\u4f4d\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u6c7a\u5b9a\u3057\u3001\u4e8b\u524d\u306b\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u3057\u3066\u304a\u304f\u4e8b\u306b\u3088\u3063\u3066\u901a\u4fe1\u52b9\u7387\u304c\u826f\u304f\u306a\u308b\u4e8b\u3092\u899a\u3048\u3066\u304a\u304f\u3002<\/p>\r\n<p><br \/><strong>\u30fb\u30b1\u30eb\u30d9\u30ed\u30b9\u8a8d\u8a3c\u3001SAML\u306b\u3064\u3044\u3066<\/strong><\/p>\r\n<p>\u4ed6\u306b\u3082OAuth\u3082\u3042\u308b\u3002\u5927\u96d1\u628a\u306a\u4ed5\u69d8\u306b\u3064\u3044\u3066\u306f\u8a2d\u554f\u4e2d\u306b\u66f8\u304b\u308c\u308b\u3068\u4e88\u60f3\u3059\u308b\u304c\u3001\u5185\u5bb9\u306b\u3064\u3044\u3066\u78ba\u8a8d\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\r\n<p><br \/><strong>\u30fb\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u3064\u3044\u3066\u4f55\u304b\u554f\u984c\u304c\u3042\u308b\u5834\u5408\u3001\u305f\u3044\u3066\u3044\u306f\u30eb\u30fc\u30d7\u69cb\u9020\u304c\u96a0\u3055\u308c\u3066\u3044\u3066\u3001\u305d\u308c\u3092\u898b\u629c\u3051\u308b\u304b\u304c\u554f\u308f\u308c\u3066\u3044\u308b<\/strong><\/p>\r\n<p>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30eb\u30fc\u30d7\u3092\u907f\u3051\u308b\u305f\u3081\u3001\u30eb\u30fc\u30d7\u69cb\u6210\u306b\u306a\u308b\u305f\u3081\u306a\u3069\u8a2d\u5b9a\u306e\u5909\u66f4\u3084\u52d5\u7684\u7d4c\u8def\u5c0e\u5165\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u308b\u554f\u984c\u70b9\u306b\u3064\u3044\u3066\u306f\u3001\u30eb\u30fc\u30d7\u69cb\u6210\u3092\u4e88\u60f3\u3067\u304d\u308b\u304b\u3092\u554f\u308f\u308c\u308b\u554f\u984c\u304c\u983b\u51fa\u3059\u308b\u3002<\/p>\r\n<p><br \/><strong>\u30fbPIM-SM\u3001SSM\u3001IGPM\u306b\u3064\u3044\u3066<\/strong><\/p>\r\n<p>\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u901a\u4fe1\u306e\u6d41\u308c\u306b\u3064\u3044\u3066\u62bc\u3055\u3048\u3066\u304a\u304f\u3002\u3053\u308c\u3082\u8a2d\u554f\u4e2d\u3067\u3042\u308b\u7a0b\u5ea6\u306e\u4ed5\u69d8\u306b\u3064\u3044\u3066\u306f\u8aac\u660e\u304c\u3042\u308b\u3068\u4e88\u60f3\u3055\u308c\u308b\u306e\u3067\u3001\u30d1\u30b1\u30c3\u30c8\u306e\u6d41\u308c\u304c\u3069\u3046\u306a\u308b\u304b\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u63a1\u7528\u306e\u30e1\u30ea\u30c3\u30c8\u7b49\u306b\u3064\u3044\u3066\u62bc\u3055\u3048\u3066\u304a\u304f\u3002<\/p>\r\n<p><br \/><strong>\u30fb\u30d5\u30e9\u30c3\u30c7\u30a3\u30f3\u30b0\u306b\u3064\u3044\u3066\u77e5\u3063\u3066\u3044\u308b\u304b\u306f\u3088\u304f\u554f\u308f\u308c\u3066\u3044\u308b\u5370\u8c61<\/strong><\/p>\r\n<p>\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u4ee5\u5916\u3067\u5168\u3066\u306e\u30dd\u30fc\u30c8\u304b\u3089\u9001\u51fa\u3059\u308b\u901a\u4fe1\u306f\u30d5\u30e9\u30c3\u30c7\u30a3\u30f3\u30b0\u3092\u7591\u3048\u308b\u3088\u3046\u306b\u3059\u308b\u3002<\/p>\r\n<p>\u307e\u305f\u3001\u3069\u306e\u30dd\u30fc\u30c8\u304b\u3089\u9001\u4fe1\u3059\u308b\u304b\uff1f\u3068\u3044\u3046\u8a2d\u554f\u306b\u3064\u3044\u3066\u306f\u300c\u53d7\u4fe1\u30dd\u30fc\u30c8\u4ee5\u5916\u306e\u5168\u30dd\u30fc\u30c8\u300d\u304b\u3089\u9001\u4fe1\u3055\u308c\u308b\u4e8b\u3092\u7b54\u3048\u3055\u305b\u308b\u554f\u984c\u304c\u983b\u51fa\u3002<\/p>\r\n<p>&nbsp;<\/p>\r\n<p><strong>\u30fbVRRP\u3068\u30b9\u30bf\u30c3\u30af\u30fb\u30ea\u30f3\u30af\u30a2\u30b0\u30ea\u30b2\u30fc\u30b7\u30e7\u30f3\u306e\u95a2\u9023\u306b\u3064\u3044\u3066\u3082\u554f\u308f\u308c\u308b\u3053\u3068\u304c\u3042\u308b<\/strong><\/p>\r\n<p>STP\u306e\u6642\u3068\u540c\u69d8\u3001\u30eb\u30fc\u30d7\u69cb\u6210\u304c\u7121\u304f\u306a\u308b\u70b9\u306a\u3069\u306e\u30e1\u30ea\u30c3\u30c8\u3001\u30a2\u30c9\u30d0\u30bf\u30a4\u30ba\u30e1\u30f3\u30c8\u306b\u3064\u3044\u3066\u7b54\u3048\u3055\u305b\u308b\u554f\u984c\u306a\u3069\u3002<\/p>\r\n<p><br \/><strong>\u30fbping\uff08ICMP\uff09\u306e\u52d5\u4f5c\u306b\u3064\u3044\u3066\u3001\u76e3\u8996\u7528\u9014\u3067\u4f7f\u308f\u308c\u308b\u304c\u4e07\u80fd\u3067\u306f\u306a\u3044\u70b9\u306b\u3064\u3044\u3066\u3001\u898b\u9003\u3057\u3068\u8aa4\u8a8d\u306b\u3064\u3044\u3066\u554f\u308f\u308c\u308b<\/strong><\/p>\r\n<p>\u65e2\u306b\u66f8\u3044\u305f\u304b\u3082\u3002<\/p>\r\n<p><br \/><strong>\u30fbVLAN\u3068\u5171\u306bVXLAN\u306b\u3064\u3044\u3066\u3082\u8a73\u7d30\u304c\u554f\u308f\u308c\u3066\u3044\u308b<\/strong><\/p>\r\n<p>VXLAN\u306f\u4eca\u5f8c\u3082\u5f62\u3092\u5909\u3048\u3066\u51fa\u3066\u304f\u308b\u3088\u3046\u306a\u6c17\u304c\u3059\u308b\u3002<\/p>\r\n<p>\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u306e\u69cb\u6210\u3068VTEP\u3001EVPN\u306a\u3069\u306b\u3064\u3044\u3066\u3082\u62bc\u3055\u3048\u3066\u304a\u304f\u3002\u4f46\u3057\u4ed5\u69d8\u306b\u3064\u3044\u3066\u306f\u8a2d\u554f\u4e2d\u306b\u3066\u8aac\u660e\u304c\u3042\u308b\u3068\u601d\u308f\u308c\u308b\u305f\u3081\u3001\u305d\u3053\u304b\u3089\u56de\u7b54\u3092\u5c0e\u51fa\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304f\u3053\u3068\u3002<\/p>\r\n<p><br \/><strong>\u30fb\u30e1\u30fc\u30eb\u306b\u3064\u3044\u3066\u306fSPF\u3001DKIM\u3001DMARK\u306e\u4ed5\u69d8\u306b\u3064\u3044\u3066\u554f\u308f\u308c\u308b<\/strong><\/p>\r\n<p>\u307b\u3068\u3093\u3069\u306fSPF\u3068DKIM\u306b\u3064\u3044\u3066\u306e\u554f\u984c\u3067\u3042\u308b\u5370\u8c61\u3002\u53d7\u4fe1\u5074\u306e\u52d5\u4f5c\u3068DNS\u3078\u306e\u8a18\u8f09\u65b9\u6cd5\u306b\u3064\u3044\u3066\u78ba\u8a8d\u3057\u3066\u304a\u304f\u3002<\/p>\r\n<p><br \/><strong>\u30fbCONNECT\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u3082\u983b\u51fa<\/strong><\/p>\r\n<p>\u30d7\u30ed\u30df\u30b9\u30ad\u30e3\u30b9\u30e2\u30fc\u30c9\u306a\u3069\u3068\u540c\u69d8\u306b\u983b\u51fa\u306e\u5358\u8a9e\u3067\u3042\u308b\u5370\u8c61\u3002HTTPS\u3067\u306e\u901a\u4fe1\u6642\u306b\u60f3\u5b9a\u3057\u3066\u304a\u304f\u5185\u5bb9\u3067\u3042\u308b\u304c\u901a\u4fe1\u3059\u308b\u30d1\u30b1\u30c3\u30c8\u3092443\u306b\u9650\u5b9a\u3059\u308b\u4e8b\u304c\u63a8\u5968\u3055\u308c\u308b\u4e8b\u306a\u3069\u306b\u3064\u3044\u3066\u3082\u62bc\u3055\u3048\u3066\u304a\u304f\u3002<\/p>\r\n<p><br \/><strong>\u30fbBGP\u306eas-override\u3084next-hop-self\u306b\u3064\u3044\u3066\u306e\u5fc5\u8981\u6027\u3084\u8a2d\u5b9a\u3059\u308b\u4e8b\u306b\u3088\u3063\u3066\u3069\u3046\u306a\u308b\u304b\u3092\u554f\u3046\u554f\u984c<\/strong><\/p>\r\n<p>BGP\u306b\u3064\u3044\u3066\u306f\u6700\u521d\u306b\u52c9\u5f37\u3059\u308b\u5185\u5bb9\u304b\u3089\u3069\u3093\u3069\u3093\u3068\u9038\u8131\u3057\u305f\u4ed5\u69d8\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u304f\u5370\u8c61\u304c\u3042\u308b\u3002as-override\u3084next-hop-self\u306b\u3088\u3063\u3066AS_PATH\u3092\u66f8\u304d\u63db\u3048\u3066\u3057\u307e\u3046\u3001\u305d\u306e\u5fc5\u8981\u6027\u306b\u3064\u3044\u3066\u3082\u7406\u89e3\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308b\u3002<br \/><br \/><strong>\u30fbFW\u306b\u3064\u3044\u3066\u306f\u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\u30d1\u30b1\u30c3\u30c8\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\u3084\u30dd\u30ea\u30b7\u30fc\u30d9\u30fc\u30b9\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3001\u30ed\u30f3\u30b2\u30b9\u30c8\u30de\u30c3\u30c1\u306a\u3069\u306e\u6982\u5ff5\u3092\u524d\u63d0\u306b\u3057\u305f\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u554f\u3046\u554f\u984c<\/strong><\/p>\r\n<p>\u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\u30d1\u30b1\u30c3\u30c8\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\u3084\u30ed\u30f3\u30b2\u30b9\u30c8\u30de\u30c3\u30c1\u306b\u3064\u3044\u3066\u306f\u6697\u9ed9\u306e\u4e86\u89e3\u3068\u3057\u3066\u3001\u3042\u3048\u3066\u8a2d\u554f\u306b\u306f\u66f8\u304b\u308c\u306a\u3044\u305f\u3081\u5341\u5206\u306b\u6ce8\u610f\u3057\u3066\u56de\u7b54\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u7279\u306bFW\u3092\u7d4c\u7531\u3059\u308b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u3064\u3044\u3066\u3082\u554f\u984c\u304c\u51fa\u305f\u6642\u306b\u306f\u3001\u3053\u308c\u3089\u306e\u524d\u63d0\u304c\u96a0\u3055\u308c\u3066\u3044\u308b\u4e8b\u3092\u60f3\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\r\n<p>&nbsp;<\/p>\r\n<p>\u3056\u3063\u3068\u66f8\u304d\u51fa\u3057\u3066\u307f\u305f\u3060\u3051\u306a\u306e\u3067\u9593\u9055\u3044\u304c\u3042\u308b\u3068\u601d\u3046\u304c\u3001\u6982\u306d\u3053\u306e\u3088\u3046\u306a\u9805\u76ee\u306b\u3064\u3044\u3066\u62bc\u3055\u3048\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\r\n<p>\u307e\u305f\u3001\u5185\u5bb9\u306b\u3064\u3044\u3066\u7406\u89e3\u3057\u3066\u3044\u305f\u3068\u3057\u3066\u3082\u3001\u305d\u308c\u3092\u6307\u5b9a\u3055\u308c\u305f\u6587\u5b57\u6570\u3067\u66f8\u3051\u308b\u304b\u306b\u3064\u3044\u3066\u306f\u5b8c\u5168\u306b\u56fd\u8a9e\u6587\u7ae0\u529b\u306e\u554f\u984c\u3068\u306a\u308b\u3002<\/p>\r\n<p>\u7406\u7531\u306b\u3064\u3044\u3066\u306f\u300c\uff5e\u304b\u3089\u300d\u3001\u76ee\u7684\u306b\u3064\u3044\u3066\u306f\u300c\uff5e\u305f\u3081\u300d\u3053\u308c\u3089\u306b\u3064\u3044\u3066\u306f\u53b3\u5b88\u3059\u308b\u3002<\/p>\r\n<p>\u307e\u305f\u3001\u69d8\u3005\u306a\u56de\u7b54\u304c\u601d\u3044\u3064\u304f\u5834\u5408\u306f\u8a2d\u554f\u4e2d\u306e\u6587\u8a00\u3092\u78ba\u8a8d\u3057\u3064\u3064\u3001\u51fa\u6765\u308b\u3060\u3051\u5185\u5bb9\u304c\u53ce\u675f\u3059\u308b\u3088\u3046\u306b\u56de\u7b54\u3059\u308b\u4e8b\u3092\u5fc3\u304c\u3051\u308b\u3002\u3053\u308c\u3092\u300c\u4e8b\u5b9f\u306b\u8fd1\u3044\u56de\u7b54\u300d\u3068\u8868\u73fe\u3057\u3066\u3044\u308b\u4eba\u3082\u3044\u308b\u3002<\/p>\r\n<p>&nbsp;<\/p>\r\n<p>\u3057\u304b\u3057\u3001\u3053\u308c\u3060\u3051\u3084\u3063\u3066\u3082\u5408\u683c\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u5fae\u5999\u306a\u611f\u3058\u306a\u3093\u3060\u308d\u3046\u306a\u3041\u3002<\/p>\r\n<p>\u5348\u524d\u5bfe\u7b56\u306b\u3064\u3044\u3066\u306f\u904e\u53bb\u554f\u9053\u5834\u3055\u3093\u3092\u4f7f\u308f\u305b\u3066\u9802\u3044\u3066\u3044\u3066\u3001\u5348\u524d1\u306b\u3064\u3044\u3066\u306f\u904e\u53bb6\u56de\u5206\u3092\u8a18\u61b6\u3059\u308b\u4e8b\u3067\u5bfe\u5fdc\u3002\u3069\u3046\u306a\u308b\u304b\u5206\u304b\u3089\u3093\u304c\u4eca\u56de\u306f\u3053\u308c\u3067\u6311\u6226\u3057\u3066\u307f\u308b\u3002<\/p>\r\n<p>\u5348\u524d2\u306b\u3064\u3044\u3066\u306f\u30b3\u30f3\u30b9\u30bf\u30f3\u30c8\u306b9\u5272\u306f\u6b63\u7b54\u3067\u304d\u3066\u3044\u308b\u306e\u3067\u5927\u4e08\u592b\u304b\u306a\u3068\u601d\u3046\u304c\u3069\u3046\u3060\u308d\u3046\u3002<\/p>\r\n<p>\u3044\u305a\u308c\u306b\u3057\u3066\u3082\u697d\u3057\u3093\u3067\u8a66\u9a13\u306b\u81e8\u307f\u305f\u3044\u3002<\/p>\r\n<div data-role=\"amazonjs\" data-asin=\"B0CQ238QQG\" data-locale=\"JP\" data-tmpl=\"\" data-img-size=\"\" class=\"asin_B0CQ238QQG_JP_ amazonjs_item\"><div class=\"amazonjs_indicator\"><span class=\"amazonjs_indicator_img\"><\/span><a class=\"amazonjs_indicator_title\" href=\"#\">\u5de6\u9580\u81f3\u5cf0\u306e\u51fa\u308b\u3068\u3053\u30cd\u30b9\u30da\u6559\u79d1\u66f8 \u6700\u77ed\u8ddd\u96e2\u3067\u5408\u683c\u3067\u304d\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u30da\u30b7\u30e3\u30ea\u30b9\u30c8<\/a><span class=\"amazonjs_indicator_footer\"><\/span><\/div><\/div>\r\n","protected":false},"excerpt":{"rendered":"<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u30da\u30b7\u30e3\u30ea\u30b9\u30c8\u8a66\u9a13\u306e\u5348\u5f8c\u5bfe\u7b56\u3068\u3057\u3066\u4ee4\u548c\u5143\u5e74\u304b\u3089\u4ee4\u548c6\u5e74\u307e\u3067\u306e5\u5e74\u5206\u306b\u3064\u3044\u3066\u89e3\u3044\u3066\u307f\u305f\u611f\u60f3\u3068\u307e\u3068\u3081\u3067\u3059\u3002 \u306a\u3093\u3068\u306a\u304f\u3060\u304c\u3001\u300c\u4f3c\u305f\u3088\u3046\u306a\u4e8b\u3092\u554f\u308f\u308c\u3066\u308b\u306a\u3041\u300d\u3068\u601d\u3063\u305f\u4e8b\u3092\u307e\u3068\u3081\u3066\u307f\u308b\u3002 \u3042\u3068\u306f\u3001\u300c\u3053\u306e\u8fba\u3092\u62bc\u3055\u3048\u3066\u304a &hellip; <a href=\"https:\/\/yonezo.biz\/?p=6327\">Continue 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