From: Igo <altlinux@aaanet.ru> To: ALT Linux sysadmin discuss <sysadmins@lists.altlinux.org> Subject: Re: [Sysadmins] ftp пропрос во внутр. сеть Date: Mon, 28 May 2007 15:28:18 +0400 Message-ID: <465ABCD2.80007@aaanet.ru> (raw) непойуму зачем ftp делает 192.168.2.7.3947 > ЛЕЗУ_С_IP.64234 [root@postmaster sysconfig]# tcpdump -i ppp0 host ЛЕЗУ_С_IP tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on ppp0, link-type LINUX_SLL (Linux cooked), capture size 96 bytes 14:02:39.263733 IP ЛЕЗУ_С_IP.59380 > EXT_IP.ftp: P 714738736:714738765(29) ack 1460789004 win 64593 14:02:39.265094 IP EXT_IP.ftp > ЛЕЗУ_С_IP.59380: P 1:30(29) ack 29 win 65327 14:02:39.299351 IP ЛЕЗУ_С_IP.59380 > EXT_IP.ftp: P 29:35(6) ack 30 win 64564 14:02:39.420286 IP EXT_IP.ftp > ЛЕЗУ_С_IP.59380: . ack 35 win 65321 14:03:00.235215 IP EXT_IP.ftp > ЛЕЗУ_С_IP.59380: P 30:102(72) ack 35 win 65321 14:03:00.365407 IP ЛЕЗУ_С_IP.59380 > EXT_IP.ftp: . ack 102 win 64492 [root@postmaster sysconfig]# tcpdump -i eth2 host ЛЕЗУ_С_IP tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth2, link-type EN10MB (Ethernet), capture size 96 bytes 14:04:49.376160 IP ЛЕЗУ_С_IP.59380 > 192.168.2.7.ftp: P 714738771:714738800(29) ack 1460789105 win 64492 14:04:49.377180 IP 192.168.2.7.ftp > ЛЕЗУ_С_IP.59380: P 1:30(29) ack 29 win 65292 14:04:49.411025 IP ЛЕЗУ_С_IP.59380 > 192.168.2.7.ftp: P 29:35(6) ack 30 win 64463 14:04:49.411525 IP 192.168.2.7.3947 > ЛЕЗУ_С_IP.64234: S 622628594:622628594(0) win 65535 <mss 1460,nop,nop,sackOK> 14:04:49.560325 IP 192.168.2.7.ftp > ЛЕЗУ_С_IP.59380: . ack 35 win 65286 14:04:52.376478 IP 192.168.2.7.3947 > ЛЕЗУ_С_IP.64234: S 622628594:622628594(0) win 65535 <mss 1460,nop,nop,sackOK> 14:04:58.310420 IP 192.168.2.7.3947 > ЛЕЗУ_С_IP.64234: S 622628594:622628594(0) win 65535 <mss 1460,nop,nop,sackOK> 14:05:10.380143 IP 192.168.2.7.ftp > ЛЕЗУ_С_IP.59380: P 30:102(72) ack 35 win 65286 14:05:10.515822 IP ЛЕЗУ_С_IP.59380 > 192.168.2.7.ftp: . ack 102 win 64391
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