TCP UDP Transmission Control Protocol User Datagram Protocol
- Slides: 56
TCP と UDP Transmission Control Protocol User Datagram Protocol
代表的な Well Known Port ポート 番号 TCP /UDP 20 TCP FTP (File Transfer Protocol) 21 TCP FTP (File Transfer Protocol) 22 TCP SSH (Secure Shell) 遠隔操作(暗号化) 23 TCP TELNET 遠隔操作 25 TCP メール転送 53 TCPと UDP SMTP (Simple Mail Transfer Protocol) DNS (Domain Name System) 80 TCP 110 TCP HTTP (Hyper Text Transfer Protocol) POP (Post Office Protocol) ホームページデータ のリクエスト、転送 メールデータの配信 プロトコル 内容 FTPファイル転送の 接続管理 FTPファイル転送の データ転送 ドメイン情報の転送
TCPの通信記録(HTTP) 08: 05: 53. 120025 shiro. 3180 > kuro. http: S 3082984339: 3082984339(0) win 63568 <mss 1414, nop, wscale 2, nop, sack. OK> (DF) 08: 05: 53. 120086 kuro. http > shiro. 3180 : S 4003520969: 4003520969(0) ack 3082984340 win 5840 <mss 1460, nop, sack. OK, nop, wscale 0> (DF) 08: 05: 53. 120196 shiro. 3180 > kuro. http: . ack 1 win 65044 (DF) 08: 05: 53. 124736 shiro. 3180 > kuro. http: P 1: 444(443) ack 1 win 65044 (DF) 08: 05: 53. 124765 kuro. http > shiro. 3180: . ack 444 win 6432 (DF) 08: 05: 53. 365850 kuro. http > shiro. 3180: . 1: 1415(1414) ack 444 win 6432 (DF) 08: 05: 53. 365881 kuro. http > shiro. 3180: . 1415: 2829(1414) ack 444 win 6432 (DF) 08: 05: 53. 366428 shiro. 3180 > kuro. http : . ack 2829 win 65044 (DF) 08: 05: 53. 366468 kuro. http > shiro. 3180: . 2829: 4243(1414) ack 444 win 6432 (DF) 08: 05: 53. 366482 kuro. http > shiro. 3180: . 4243: 5657(1414) ack 444 win 6432 (DF) 08: 05: 53. 366512 kuro. http > shiro. 3180: . 5657: 7071(1414) ack 444 win 6432 (DF) 08: 05: 53. 366919 shiro. 3180 > kuro. http : . ack 4243 win 65044 (DF) 08: 05: 53. 366938 kuro. http > shiro. 3180: . 7071: 8485(1414) ack 444 win 6432 (DF) 08: 05: 53. 366951 kuro. http > shiro. 3180: P 8485: 8849(364) ack 444 win 6432 (DF) 08: 05: 53. 367138 shiro. 3180 > kuro. http : . ack 7071 win 65044 (DF) 08: 05: 53. 367380 shiro. 3180 > kuro. http : . ack 8485 win 65044 (DF) 08: 05: 53. 381297 kuro. http > shiro. 3180: F 8849: 8849(0) ack 444 win 6432 (DF) 08: 05: 53. 381433 shiro. 3180 > kuro. http : . ack 8850 win 64953 (DF) 08: 05: 53. 515182 shiro. 3180 > kuro. http : F 444: 444(0) ack 8850 win 64953 (DF) 08: 05: 53. 515201 kuro. http > shiro. 3180: . ack 445 win 6432 (DF)
UDPの通信記録(Vo. IP) 08: 30: 26. 944246 08: 30: 26. 956447 08: 30: 26. 964251 08: 30: 26. 976519 08: 30: 26. 984242 08: 30: 26. 996821 08: 30: 27. 004240 08: 30: 27. 016324 08: 30: 27. 024248 08: 30: 27. 036425 08: 30: 27. 044236 08: 30: 27. 056162 08: 30: 27. 064238 08: 30: 27. 076246 08: 30: 27. 084230 08: 30: 27. 096386 08: 30: 27. 104237 08: 30: 27. 116482 08: 30: 27. 124251 08: 30: 27. 136460 08: 30: 27. 144244 08: 30: 27. 156853 192. 168. 0. 20. 5090 > nc 122133. ras. plala. or. jp. 7478: nc 122133. ras. plala. or. jp. 7478 > 192. 168. 0. 20. 5090: 192. 168. 0. 20. 5090 > nc 122133. ras. plala. or. jp. 7478: nc 122133. ras. plala. or. jp. 7478 > 192. 168. 0. 20. 5090: udp udp udp udp udp udp 172 172 172 172 172 172
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