{"id":1724,"date":"2023-11-21T16:29:30","date_gmt":"2023-11-21T07:29:30","guid":{"rendered":"https:\/\/gallery.ntorelabo.com\/?p=1724"},"modified":"2024-04-07T18:57:37","modified_gmt":"2024-04-07T09:57:37","slug":"%e3%80%90%e3%83%8d%e3%83%83%e3%83%88%e3%83%af%e3%83%bc%e3%82%af%e3%80%91%e3%82%a2%e3%83%97%e3%83%aa%e3%82%b1%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e5%b1%a4%e3%83%97%e3%83%ad%e3%83%88%e3%82%b3%e3%83%ab","status":"publish","type":"post","link":"https:\/\/gallery.ntorelabo.com\/?p=1724","title":{"rendered":"\u3010\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3011\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u30d7\u30ed\u30c8\u30b3\u30eb"},"content":{"rendered":"\n

<\/a>HTTP<\/h2>\n\n\n\n

HTTP\uff08Hyper Text Transfer Protocol\uff09<\/strong>\u3068\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff08Web\u30d6\u30e9\u30a6\u30b6\u306a\u3069\uff09\u3068Web\u30b5\u30fc\u30d0\u9593\u3067\u30c7\u30fc\u30bf\u3092\u9001\u53d7\u4fe1\u3059\u308b\u305f\u3081\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059<\/p>\n\n\n\n

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

HTTP\u306e\u4ed5\u7d44\u307f<\/h3>\n\n\n\n

\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u300cHTTP\u30ea\u30af\u30a8\u30b9\u30c8<\/strong>\u300d\u3092\u9001\u4fe1\u3057\u3001\u305d\u308c\u306b\u5fdc\u3058\u3066Web\u30b5\u30fc\u30d0\u304c\u300cHTTP\u30ec\u30b9\u30dd\u30f3\u30b9<\/strong>\u300d\u304c\u8fd4\u4fe1\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n

HTTP\u30e1\u30bd\u30c3\u30c9<\/h4>\n\n\n\n

HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u306fGET\uff08\u30b5\u30fc\u30d0\u306b\u30da\u30fc\u30b8\u306e\u53d6\u5f97\u3092\u30ea\u30af\u30a8\u30b9\u30c8<\/strong>\uff09\u3084POST\uff08\u30b5\u30fc\u30d0\u306b\u30c7\u30fc\u30bf\u3092\u9001\u4fe1<\/strong>\uff09\u306a\u3069\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

HTTPS<\/h2>\n\n\n\n

HTTPS\uff08HyperText Transfer Protocol Secure<\/strong>\uff09\u306f\u5b89\u5168\u306b\u901a\u4fe1\u304c\u3067\u304d\u308b\u3088\u3046\u6697\u53f7\u5316<\/strong>\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

    \n
  • SSL\u30b5\u30fc\u30d0\u8a3c\u660e\u66f8<\/strong>\u3092\u7528\u3044\u3066Web\u30b5\u30fc\u30d0\u306e\u6b63\u5f53\u6027\u3092\u4fdd\u8a3c\u3059\u308b<\/li>\n\n\n\n
  • SSL\/TLS<\/strong>\u3092\u7528\u3044\u3066\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316<\/strong>\u3059\u308b<\/li>\n<\/ul>\n\n\n\n

    SSL\/TLS<\/strong>\u3092\u7528\u3044\u3066\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316<\/strong>\u3059\u308b<\/h3>\n\n\n\n

    SSL\uff08Secure Sockets Layer\uff09\u3068TLS\uff08Transport Layer Security\uff09\u306f\u3069\u3061\u3089\u3082\u6697\u53f7\u5316\u306e\u6280\u8853\u3067\u3059\u3002<\/p>\n\n\n\n

    SSL\u3092\u3082\u3068\u306bTLS\u304c\u958b\u767a\u3055\u308c\u3001\u73fe\u5728\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u554f\u984c\u304b\u3089TLS\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\uff08SSL\/TLS\u3068\u8868\u8a18\uff09<\/p>\n\n\n\n

    FTP<\/h2>\n\n\n\n

    FTP\uff08File Transfer Protocol\uff09\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u9593\u3067\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001<\/strong>\u3092\u884c\u3046\u305f\u3081\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n

      \n
    • TCP\u30dd\u30fc\u30c820\u756a\uff08\u30c7\u30fc\u30bf\u8ee2\u9001\u7528\uff09<\/strong>\u306821\u756a\uff08\u5236\u5fa1\u7528\uff09<\/strong>\u3092\u4f7f\u7528\u3059\u308b<\/li>\n\n\n\n
    • TCP\/IP<\/strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3067\u4fe1\u983c\u6027\u306e\u3042\u308b\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\u6a5f\u80fd<\/strong>\u3092\u63d0\u4f9b\u3002<\/li>\n\n\n\n
    • \u30b5\u30fc\u30d0\u30fc\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u578b<\/li>\n\n\n\n
    • \u6697\u53f7\u5316\u306e\u6a5f\u80fd\u3092\u6301\u305f\u306a\u3044<\/strong><\/li>\n\n\n\n
    • \u8a8d\u8a3c\u306e\u6a5f\u80fd\u3092\u6301\u3064<\/li>\n<\/ul>\n\n\n\n

      TFTP<\/h2>\n\n\n\n

      TFTP\uff08Trivial File Transfer Protocol\uff09<\/p>\n\n\n\n

        \n
      • UDP<\/strong><\/li>\n\n\n\n
      • \u52b9\u7387\u306e\u826f\u3044\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30ec\u30b9\u578b<\/strong>\u306e\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\u6a5f\u80fd\u3002<\/li>\n\n\n\n
      • \u30b5\u30fc\u30d0\u30fc\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u578b\n
          \n
        • Cisco\u30eb\u30fc\u30bf<\/strong>\u306fTFTP\u30b5\u30fc\u30d0<\/strong>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u3057\u3066\u52d5\u4f5c\u3067\u304d\u308b<\/li>\n\n\n\n
        • (config)#tftp-server { \u30d5\u30a1\u30a4\u30eb\u30d1\u30b9 }\u3067 TFTP\u30b5\u30fc\u30d0<\/strong>\u3068\u3057\u3066\u52d5\u4f5c\u3067\u304d\u308b<\/li>\n<\/ul>\n<\/li>\n\n\n\n
        • \u6697\u53f7\u5316\u3001\u8a8d\u8a3c\u306e\u6a5f\u80fd\u3092\u6301\u305f\u306a\u3044<\/strong><\/li>\n\n\n\n
        • IOS\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u969b\u306a\u3069\u306b\u5229\u7528<\/li>\n<\/ul>\n\n\n\n

          SMTP<\/h2>\n\n\n\n
            \n
          • SMTP\uff08Simple Mail Transfer Protocol\uff09\u306f\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b<\/strong>\u305f\u3081\u306b\u4f7f\u7528\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002<\/li>\n\n\n\n
          • TCP<\/strong><\/li>\n<\/ul>\n\n\n\n
            \"\"<\/figure>\n\n\n\n

            POP3<\/h2>\n\n\n\n

            POP3\uff08Post Office Protocol version3\uff09\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u304b\u3089\u30e1\u30fc\u30eb\u53d7\u4fe1<\/strong><\/p>\n\n\n\n

            Telnet<\/h2>\n\n\n\n

            \u30b5\u30fc\u30d0\u3084\u30eb\u30fc\u30bf\u3092\u9060\u9694\u3067\u64cd\u4f5c\u3059\u308b<\/strong>\u305f\u3081\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n

              \n
            • TCP<\/strong><\/li>\n\n\n\n
            • \u30c7\u30fc\u30bf\u3092\u30af\u30ea\u30a2\u30c6\u30ad\u30b9\u30c8\u3067\u9001\u308b<\/strong>\u305f\u3081\u76d7\u8074\u306e\u5371\u967a\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n

              \uff1c\u5fc5\u8981\u306a\u8a2d\u5b9a\uff1e<\/p>\n\n\n\n

                \n
              • IP\u30a2\u30c9\u30ec\u30b9\u306e\u8a2d\u5b9a<\/strong><\/li>\n\n\n\n
              • \u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<\/strong>\u306e\u8a2d\u5b9a<\/li>\n\n\n\n
              • VTY\u30d1\u30b9\u30ef\u30fc\u30c9<\/strong>\u306e\u8a2d\u5b9a<\/li>\n\n\n\n
              • enable\u30d1\u30b9\u30ef\u30fc\u30c9<\/strong>\u306e\u8a2d\u5b9a<\/li>\n<\/ul>\n\n\n\n

                VTY\u30d1\u30b9\u30ef\u30fc\u30c9<\/h4>\n\n\n\n

                VTY\u30d1\u30b9\u30ef\u30fc\u30c9<\/strong>\u306f\u4eee\u60f3\u7aef\u672b\u3067\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u969b\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3067\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fc\u4e0a\u306e\u7406\u7531\u304b\u3089\u3001VTY\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u306a\u3044\u30c7\u30d0\u30a4\u30b9\u3067\u306fTELNET\u3092\u8a31\u53ef\u3057\u306a\u3044\u3082\u306e\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

                VTY\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u8a2d\u5b9a

                Router(config)#line vty 0 4
                Router(config-line)#password [ \u30d1\u30b9\u30ef\u30fc\u30c9 ]
                Router(config-line)#login<\/code><\/pre>\n\n\n\n
                SSH<\/h2>\n\n\n\n
                \ufeff<\/p>\n\n\n\n
                  \n
                • SSH\uff08Secure Shell\uff09<\/li>\n\n\n\n
                • \u8a8d\u8a3c\u3068\u3044\u3046\u30d7\u30ed\u30bb\u30b9\u3092\u7d4c\u3066\u3001\u30ea\u30e2\u30fc\u30c8\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3078\u30a2\u30af\u30bb\u30b9\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n
                • \u9060\u9694\u64cd\u4f5c\u3059\u308b\u4eee\u60f3\u7aef\u672b\u6a5f\u80fd\u3092\u63d0\u4f9b\u3002<\/li>\n\n\n\n
                • Telnet\u3068\u9055\u3044\u30c7\u30fc\u30bf\u306f\u6697\u53f7\u5316\u3055\u308c\u308b<\/strong><\/li>\n<\/ul>\n\n\n\n
                  \uff1c\u8a8d\u8a3c\u65b9\u6cd5\uff1e<\/p>\n\n\n\n
                    \n
                  1. \u30d1\u30b9\u30ef\u30fc\u30c9\u8a8d\u8a3c<\/strong>
                    \n
                      \n
                    • (config)#username {\u30e6\u30fc\u30b6\u540d} password {\u30d1\u30b9\u30ef\u30fc\u30c9}<\/li>\n\n\n\n
                    • \u4eee\u60f3\u7aef\u672b\u56de\u7dda\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u304d\u305f\u30e6\u30fc\u30b6\u3092\u30ed\u30fc\u30ab\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u8a8d\u8a3c\u3059\u308b
                      (config)#line vty {\u958b\u59cbVTY\u756a\u53f7} [{\u7d42\u4e86VTY\u756a\u53f7}]
                      (config-line)#login local
                      \ufeff<\/li>\n<\/ul>\n<\/li>\n\n\n\n
                    • \u516c\u958b\u9375\u30fb\u79d8\u5bc6\u9375\u306b\u3088\u308b\u8a8d\u8a3c<\/strong>
                      • \u30db\u30b9\u30c8\u540d\u306e\u8a2d\u5b9a
                        (config)#hostname {\u30db\u30b9\u30c8\u540d}
                        \ufeff<\/li>
                      • \u30c9\u30e1\u30a4\u30f3\u540d\u306e\u8a2d\u5b9a
                        (config)#ip domain name {\u30c9\u30e1\u30a4\u30f3\u540d}
                        \u307e\u305f\u306f
                        (config)#ip domain-name {\u30c9\u30e1\u30a4\u30f3\u540d}
                        \ufeff<\/li><\/ul>\n
                          \n
                        • RSA\u30db\u30b9\u30c8\u9375\u306e\u751f\u6210
                          (config)#crypto key generate rsa [ modulus { \u9375\u306e\u9577\u3055 } ]
                          \uff08\u203b\u9375\u306e\u9577\u3055\u306f1024\u4ee5\u4e0a\u304c\u63a8\u5968\uff09
                          \ufeff<\/li>\n\n\n\n
                        • SSH\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u6307\u5b9a\uff08\u4efb\u610f\uff09
                          ip ssh pubkey-chain<\/strong>
                          \ufeff<\/li>\n\n\n\n
                        • \u4eee\u60f3\u7aef\u672b\u56de\u7dda\uff08VTY\uff09\u306e\u8a2d\u5b9a
                          transport input ssh
                          \ufeff<\/li>\n\n\n\n
                        • \u30ed\u30b0\u30a4\u30f3\u8a8d\u8a3c\u306e\u8a2d\u5b9a
                          login local<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n
                          SSH\u63a5\u7d9a\u3092\u884c\u3046
                          #ssh {-l \u30e6\u30fc\u30b6\u540d} [-v SSH\u30d0\u30fc\u30b8\u30e7\u30f3] [-p \u63a5\u7d9a\u5148\u30dd\u30fc\u30c8\u756a\u53f7] {\u5b9b\u5148IP\u30a2\u30c9\u30ec\u30b9|\u30db\u30b9\u30c8\u540d}<\/p>\n\n\n\n
                          SNMP<\/h2>\n\n\n\n
                          SNMP<\/strong>\uff08Simple Network Management Protocol\uff09\u306fTCP\/IP\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u30eb\u30fc\u30bf\u3001\u30b9\u30a4\u30c3\u30c1\u3001\u30b5\u30fc\u30d0\u306a\u3069\u306e\u901a\u4fe1\u6a5f\u5668\u306e\u76e3\u8996\u3001\u5236\u5fa1\u3002<\/p>\n\n\n\n
                          DHCP<\/h2>\n\n\n\n
                          DHCP \uff08Dynamic Host Configuration Protocol<\/strong>\uff09\u3068\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306a\u3069\u306eIP\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u65b0\u305f\u306b\u63a5\u7d9a\u3057\u305f\u6a5f\u5668\u306b\u3001IP\u30a2\u30c9\u30ec\u30b9\u306a\u3069\u901a\u4fe1\u306b\u5fc5\u8981\u306a\u8a2d\u5b9a\u60c5\u5831\u3092\u81ea\u52d5\u7684\u306b\u5272\u308a\u5f53\u3066\u308b\u305f\u3081\u306e\u901a\u4fe1\u898f\u7d04\uff08\u30d7\u30ed\u30c8\u30b3\u30eb\uff09\u3002<\/p>\n\n\n\n
                          \u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u306bUDP<\/strong>\u3092\u4f7f\u7528\u3059\u308b\u3002<\/p>\n\n\n\n
                          DHCP\u30b5\u30fc\u30d0<\/strong>\u304c\u30dd\u30fc\u30c867<\/strong>\u3001DHCP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8<\/strong>\u304c\u30dd\u30fc\u30c868<\/strong>\u3092\u4f7f\u7528\u3059\u308b<\/p>\n\n\n\n
                          \u3010DHCP\u30e1\u30c3\u30bb\u30fc\u30b8\u3011<\/p>\n\n\n\n
                          \u30e1\u30c3\u30bb\u30fc\u30b8\u540d<\/th>\u9001\u4fe1\u3059\u308b\u5074<\/th>\u8aac\u660e<\/th><\/tr><\/thead>
                          DHCP DISCOVER<\/td>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074<\/td>\u4f7f\u7528\u53ef\u80fd\u306aDHCP\u30b5\u30fc\u30d0\u3092\u63a2\u3059\u305f\u3081\u306e\u30e1\u30c3\u30bb\u30fc\u30b8<\/td><\/tr>
                          DHCP OFFER<\/td>\u30b5\u30fc\u30d0<\/td>DHCP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306eDHCP DISCOVER\u306b\u5fdc\u7b54\u3057\u8a2d\u5b9a\u60c5\u5831\u306e\u5019\u88dc\u3092\u901a\u77e5\u3059\u308b<\/td><\/tr>
                          DHCP REQUEST<\/td>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8<\/td>\u8a2d\u5b9a\u60c5\u5831\u3092\u6b63\u5f0f\u306b\u53d6\u5f97\u3059\u308b\u305f\u3081\u306bDHCP\u30b5\u30fc\u30d0\u3078\u8981\u6c42\u3059\u308b<\/td><\/tr>
                          DHCP ACK<\/td>\u30b5\u30fc\u30d0<\/td>\u8a2d\u5b9a\u60c5\u5831\u3092DHCP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u63d0\u4f9b\u3059\u308b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
                          \ufeff<\/p>\n\n\n\n
                          DHCP\u30ea\u30ec\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8<\/h3>\n\n\n\n
                          DHCP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u306b\u3088\u308b\u8981\u6c42\u9001\u4fe1\u3092\u3001\u7279\u5b9a\u306e\u76f8\u624b\u3068\u4e00\u5bfe\u4e00\u306e\u901a\u4fe1\u3067\u3042\u308b\u300c\u30e6\u30cb\u30ad\u30e3\u30b9\u30c8\u300d\u65b9\u5f0f\u306b\u5909\u63db\u3057\u3066\u96a3\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306eDHCP\u30b5\u30fc\u30d0\u306b\u5c4a\u3051\u3066\u304f\u308c\u308b\u3002<\/p>\n\n\n\n
                          NTP\uff08Network Time Protocol\uff09<\/h2>\n\n\n\n
                          \u30b7\u30b9\u30c6\u30e0\u30af\u30ed\u30c3\u30af\u3092\u6b63\u3057\u304f\u8abf\u6574\uff08\u540c\u671f\uff09\u3002<\/p>\n\n\n\n
                          DNS<\/h2>\n\n\n\n
                          DNS<\/strong>\u3068\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306a\u3069\u306eIP\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3067\u30c9\u30e1\u30a4\u30f3\u540d\u3068IP\u30a2\u30c9\u30ec\u30b9\u306e\u5bfe\u5fdc\u95a2\u4fc2\u3092\u7ba1\u7406\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u3002<\/p>\n\n\n\n
                            \n
                          • DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u306b\u304a\u3044\u3066DNS\u30b5\u30fc\u30d0\u3078\u30db\u30b9\u30c8\u540d\u3092\u554f\u3044\u5408\u308f\u305b\u3001IP\u30a2\u30c9\u30ec\u30b9\u3092\u5f97\u308b\u65b9\u6cd5\u3092\u30d5\u30a9\u30ef\u30fc\u30c9\u30eb\u30c3\u30af\u30a2\u30c3\u30d7<\/strong>(\u6b63\u5f15\u304d)\u3068\u3044\u3044\u307e\u3059\u3002
                            \ufeff<\/li>\n\n\n\n
                          • DNS\u30b5\u30fc\u30d0\u3078IP\u30a2\u30c9\u30ec\u30b9\u3092\u554f\u3044\u5408\u308f\u305b\u3001\u30db\u30b9\u30c8\u540d\u3092\u5f97\u308b\u65b9\u6cd5\u3092\u30ea\u30d0\u30fc\u30b9\u30eb\u30c3\u30af\u30a2\u30c3\u30d7<\/strong>(\u9006\u5f15\u304d)\u3068\u3044\u3044\u307e\u3059\u3002
                            \ufeff<\/li>\n\n\n\n
                          • \u30cd\u30fc\u30e0\u30ea\u30be\u30eb\u30d0<\/strong>\u3068\u306f\u540d\u524d\u89e3\u6c7a\u3092\u884c\u3046\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2<\/strong>
                            \ufeff<\/li>\n<\/ul>\n\n\n\n
                            \u540d\u524d\u89e3\u6c7a<\/h4>\n\n\n\n
                              \n
                            1. \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u3001IP\u30a2\u30c9\u30ec\u30b9\u3092\u5f97\u305f\u3044\u30db\u30b9\u30c8\u540d\u304c\u30bb\u30c3\u30c8\u3055\u308c\u305fDNS\u8981\u6c42\u3092DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u30b5\u30fc\u30d0\u306b\u9001\u4fe1\u3059\u308b\uff08\u518d\u5e30\u554f\u3044\u5408\u308f\u305b\uff09
                              \ufeff<\/li>\n\n\n\n
                            2. DNS\u30b5\u30fc\u30d0\u306f\u81ea\u8eab\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u691c\u7d22\u3084\u3001\u30eb\u30fc\u30c8DNS\u30b5\u30fc\u30d0\u3078\u306e\u554f\u3044\u5408\u308f\u305b\u3092\u884c\u3044\u307e\u3059\u3002
                              \ufeff<\/li>\n\n\n\n
                            3. \u30eb\u30fc\u30c8DNS\u30b5\u30fc\u30d0\u306f\u5c4a\u3044\u305f\u554f\u3044\u5408\u308f\u305b\u5185\u5bb9\u304b\u3089\u3001\u3069\u306e\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u3078\u554f\u3044\u5408\u308f\u305b\u3092\u3059\u308b\u3079\u304d\u306a\u306e\u304b\u3092DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u30fc\u30b5\u30fc\u30d0\u3078\u8fd4\u7b54\u3057\u307e\u3059\u3002
                              \ufeff<\/li>\n\n\n\n
                            4. DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u30b5\u30fc\u30d0\u306f\u3001\u30eb\u30fc\u30c8DNS\u30b5\u30fc\u30d0\u304b\u3089\u6307\u793a\u3055\u308c\u305f\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u3078\u3001\u554f\u3044\u5408\u308f\u305b\u3092\u3057\u76f4\u3057\u307e\u3059\u3002\uff08\u975e\u518d\u5e30\u554f\u3044\u5408\u308f\u305b\uff09\u305d\u3053\u3067\u307e\u305f\u5225\u306eDNS\u30b5\u30fc\u30d0\u3078\u554f\u3044\u5408\u308f\u305b\u308b\u3088\u3046\u6307\u793a\u304c\u3042\u308c\u3070\u3001\u305d\u306e\u30b5\u30fc\u30d0\u3078\u554f\u3044\u5408\u308f\u305b\u3057\u76f4\u3057\u307e\u3059\u3002
                              \ufeff<\/li>\n\n\n\n
                            5. DNS\u30b5\u30fc\u30d0\u306f\u89e3\u6c7a\u3057\u305f\u7d50\u679c\uff08\u5f97\u3089\u308c\u305fIP\u30a2\u30c9\u30ec\u30b9\u3001\u3082\u3057\u304f\u306f\u8a72\u5f53\u60c5\u5831\u306a\u3057\u3068\u3044\u3063\u305f\u30a8\u30e9\u30fc\u5fdc\u7b54\uff09\u304c\u30bb\u30c3\u30c8\u3055\u308c\u305fDNS\u5fdc\u7b54\u3092\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u9001\u4fe1\u3059\u308b
                              \ufeff<\/li>\n<\/ol>\n\n\n\n
                              DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u30b5\u30fc\u30d0<\/h4>\n\n\n\n
                              DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u30b5\u30fc\u30d0\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u554f\u3044\u5408\u308f\u305b\u306b\u5fdc\u7b54\u3059\u308bDNS\u30b5\u30fc\u30d0\u3067\u3059\u3002\u4fdd\u6301\u3057\u3066\u3044\u308b\u60c5\u5831\u306b\u8a72\u5f53\u3059\u308b\u554f\u3044\u5408\u308f\u305b\u304c\u304d\u305f\u5834\u5408\u306f\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u306b\u554f\u3044\u5408\u308f\u305b\u305a\u306b\u5fdc\u7b54\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
                                \n
                              • \u6a29\u5a01DNS\u30b5\u30fc\u30d0\u306b\u554f\u5408\u305b\u3092\u884c\u3044\u3001\u5f97\u305f\u60c5\u5831\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u4fdd\u6301\u3057\u307e\u3059\u3002<\/li>\n\n\n\n
                              • \u3053\u3068\u3067\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3078\u306e\u5fdc\u7b54\u901f\u5ea6\u3092\u4e0a\u3052\u307e\u3059\u3002<\/li>\n\n\n\n
                              • \u6a29\u5a01DNS\u30b5\u30fc\u30d0\u306e\u8ca0\u8377\u3082\u6e1b\u3089\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n
                                \u3010\u30b3\u30de\u30f3\u30c9\u69cb\u6587\uff1a\u30eb\u30fc\u30bf\u3092DNS\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u3057\u3066\u52d5\u4f5c\u3055\u305b\u308b\u3011

                                (config)#ip domain lookup \u30fb\u30fb\u30fbDNS\u306b\u3088\u308b\u540d\u524d\u89e3\u6c7a\u3092\u884c\u3046
                                (config)#ip name-server {IP\u30a2\u30c9\u30ec\u30b9} \u30fb\u30fb\u30fbDNS\u30b5\u30fc\u30d0\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u8a2d\u5b9a\u3059\u308b<\/strong>
                                (config)#ip domain name {\u30c9\u30e1\u30a4\u30f3\u540d} \u30fb\u30fb\u30fb\uff08\u4efb\u610f\uff09\u81ea\u8eab\u306e\u6240\u5c5e\u3059\u308b\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u767b\u9332<\/p>\n\n\n\n
                                TCP\u3001UDP<\/h2>\n\n\n\n
                                TCP\uff08Transmission Control Protocol\uff09<\/strong><\/p>\n\n\n\n
                                UDP\uff08User Datagram Protocol\uff09<\/strong><\/p>\n\n\n\n
                                \u30dd\u30fc\u30c8\u756a\u53f7<\/th>TCP\/IP<\/th>\u30d7\u30ed\u30c8\u30b3\u30eb<\/th>\u7528\u9014<\/th><\/tr>
                                20<\/td>TCP<\/strong><\/td>ftp-data<\/td>\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\uff08\u30c7\u30fc\u30bf\u672c\u4f53\uff09<\/td><\/tr>
                                21<\/td>TCP<\/strong><\/td>ftp<\/td>\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\uff08\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff09<\/td><\/tr>
                                22<\/td>TCP<\/strong><\/td>ssh<\/td>\u30ea\u30e2\u30fc\u30c8\u30ed\u30b0\u30a4\u30f3\uff08\u30bb\u30ad\u30e5\u30a2\uff09<\/td><\/tr>
                                23<\/td>TCP<\/strong><\/td>telnet<\/td>\u30ea\u30e2\u30fc\u30c8\u30ed\u30b0\u30a4\u30f3<\/td><\/tr>
                                25<\/td>TCP<\/strong><\/td>smtp<\/td>\u30e1\u30fc\u30eb\u9001\u4fe1<\/td><\/tr>
                                53<\/td>TCP\/UDP<\/strong><\/td>domain<\/strong>\u3001DNS<\/td>DNS\uff08\u540d\u524d\u89e3\u6c7a\u306fUDP,\u30be\u30fc\u30f3\u8ee2\u9001\u306fTCP\uff09<\/strong><\/td><\/tr>
                                67\u300168<\/td>UDP<\/strong><\/td>DHCP<\/strong><\/td>IP\u30a2\u30c9\u30ec\u30b9\u3092\u81ea\u52d5\u306b\u5272\u308a\u5f53\u3066\u308b
                                67\u2192\u30b5\u30fc\u30d0
                                68\u2192\u30af\u30e9\u30a4\u30a2\u30f3\u30c8<\/td><\/tr>
                                69<\/td>UDP<\/strong><\/td>TFTP<\/td>\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001<\/td><\/tr>
                                80<\/td>TCP<\/strong><\/td>http<\/td>www<\/td><\/tr>
                                110<\/td>TCP<\/strong><\/td>pop3<\/td>\u30e1\u30fc\u30eb\u53d7\u4fe1<\/td><\/tr>
                                123<\/td>UDP<\/strong><\/td>NTP<\/td>\u6642\u523b\u5408\u308f\u305b<\/td><\/tr>
                                143<\/td>TCP<\/strong><\/td>imap<\/td>\u30e1\u30fc\u30eb\u53d7\u4fe1<\/td><\/tr>
                                161<\/td>UDP<\/strong><\/td>SNMP<\/td>\u901a\u4fe1\u6a5f\u5668\u306e\u76e3\u8996\u3001\u5236\u5fa1\u3002<\/td><\/tr>
                                443<\/td>TCP<\/strong><\/td>https<\/td>www\uff08\u30bb\u30ad\u30e5\u30a2\uff09<\/td><\/tr>
                                520<\/td>UDP<\/strong><\/td>RIP<\/td>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30c8\u30b3\u30eb<\/td><\/tr>
                                \u2212<\/td>UDP<\/strong><\/td>RTP<\/td>IP\u96fb\u8a71\u3001\u4f7f\u7528\u3059\u308b\u30dd\u30fc\u30c8\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u5b9a\u3081\u308b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
                                <\/p>\n","protected":false},"excerpt":{"rendered":"
                                HTTP HTTP\uff08Hyper Text Transfer Protocol\uff09\u3068\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff08Web\u30d6\u30e9\u30a6\u30b6\u306a\u3069\uff09\u3068Web\u30b5\u30fc\u30d0\u9593\u3067\u30c7\u30fc\u30bf\u3092\u9001\u53d7\u4fe1\u3059\u308b\u305f\u3081\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059 HTTP\u306e\u4ed5\u7d44\u307f \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u300cHTTP\u30ea\u30af […]<\/p>\n","protected":false},"author":2,"featured_media":130,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[27],"tags":[],"class_list":["post-1724","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-infra-engineer"],"_links":{"self":[{"href":"https:\/\/gallery.ntorelabo.com\/index.php?rest_route=\/wp\/v2\/posts\/1724","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gallery.ntorelabo.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gallery.ntorelabo.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gallery.ntorelabo.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/gallery.ntorelabo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1724"}],"version-history":[{"count":2,"href":"https:\/\/gallery.ntorelabo.com\/index.php?rest_route=\/wp\/v2\/posts\/1724\/revisions"}],"predecessor-version":[{"id":1729,"href":"https:\/\/gallery.ntorelabo.com\/index.php?rest_route=\/wp\/v2\/posts\/1724\/revisions\/1729"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gallery.ntorelabo.com\/index.php?rest_route=\/wp\/v2\/media\/130"}],"wp:attachment":[{"href":"https:\/\/gallery.ntorelabo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1724"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gallery.ntorelabo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1724"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gallery.ntorelabo.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1724"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}