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From: Gavin Hamill <gdh@acentral.co.uk>
To: netfilter@lists.netfilter.org
Subject: Re: smtp
Date: Fri, 14 May 2004 14:40:16 +0100	[thread overview]
Message-ID: <200405141440.16991.gdh@acentral.co.uk> (raw)
In-Reply-To: <BAY15-F38OoiE7FIVSi0005b8c6@hotmail.com>

On Friday 14 May 2004 14:19, azeem ahmad wrote:
> hi
> please tell me how can i save the output of tcpdump to a file
>
> i tried -F anf -w but it doesnt seem to work

-w is the one to use, but you do need to tell it a filename. However, what I 
meant was simply copy + paste the output you see on the console since that 
will be a lot easier for us to glance at.. I mean the stuff like this:

tel# tcpdump -i eth1 -n port 25
tcpdump: listening on eth1
14:39:37.592117 10.0.0.52.3564 > 194.200.209.13.25: S 1292097321:1292097321(0) 
win 64240 <mss 1460,nop,nop,sackOK> (DF)
14:39:37.592174 10.0.0.254.3564 > 10.0.0.253.25: S 1292097321:1292097321(0) 
win 64240 <mss 1460,nop,nop,sackOK> (DF)
14:39:37.592353 10.0.0.253.25 > 10.0.0.254.3564: S 958030498:958030498(0) ack 
1292097322 win 5840 <mss 1460,nop,nop,sackOK> (DF)
14:39:37.592381 194.200.209.13.25 > 10.0.0.52.3564: S 958030498:958030498(0) 
ack 1292097322 win 5840 <mss 1460,nop,nop,sackOK> (DF)
14:39:37.592587 10.0.0.52.3564 > 194.200.209.13.25: . ack 1 win 64240 (DF)
14:39:37.592603 10.0.0.254.3564 > 10.0.0.253.25: . ack 1 win 64240 (DF)

Cheers,
Gavin.


  reply	other threads:[~2004-05-14 13:40 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-05-14 13:19 smtp azeem ahmad
2004-05-14 13:40 ` Gavin Hamill [this message]
  -- strict thread matches above, loose matches on Subject: below --
2004-05-14 20:11 smtp azeem ahmad
2004-05-14 20:22 ` smtp Alexis
2004-05-14 20:26 ` smtp Gavin Hamill
2004-05-14 18:54 smtp azeem ahmad
2004-05-14 19:47 ` smtp Gavin Hamill
2004-05-14 15:41 smtp azeem ahmad
2004-05-14 15:53 ` smtp Gavin Hamill
2004-05-14 12:07 smtp azeem ahmad
2004-05-14 12:28 ` smtp Gavin Hamill
2004-05-14 11:17 smtp azeem ahmad
2004-05-14 11:37 ` smtp Gavin Hamill
2004-05-14 12:46 ` smtp Antony Stone
2003-01-21 15:24 SMTP Steffen Bisgaard

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