Re: [FW1] FW: Setting up a trace using the tcpdump command

[Jerald Josephs <jjosephs@pacbell.net>]

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you can get some really good tips on how to use
tcpdump from:

http://www.freebsd.org/cgi/man.cgi?query=tcpdump&apropos=0&sektion=0&manpath
=FreeBSD+3.2-RELEASE&format=html

(This may be easier...)
The FreeBSD Man pages are at:
http://www.freebsd.org/cgi/man.cgi


Jerald Josephs
jjosephs@pacbell.net
----- Original Message -----
From: Haji, Mohmed <HajiM@logica.com>
To: <fw-1-mailinglist@lists.us.checkpoint.com>
Sent: Wednesday, October 13, 1999 9:49 AM
Subject: [FW1] FW: Setting up a trace using the tcpdump command


>
>
> Guys, got a solution.
>
> Solution is to replace the IP address bit of the firewall interface with
the
> 'other' name. In my case it is eth-s1p1c0.
>
> Thanks.
> > ----------
> > From: Haji, Mohmed
> > Sent: Wednesday, October 13, 1999 5:15 PM
> > To: 'fw-1-mailinglist@lists.us.checkpoint.com'
> > Subject: Setting up a trace using the tcpdump command
> >
> > Hello everyone,
> >
> > I've got problems trying to get an external PC access to a server on our
> > DMZ.
> >
> > I first want to make sure thier TCP packets (they are trying to telnet
and
> > FTP in) are getting to our Firewall.
> >
> > I've tried setting up a trace on our firewall using the following
syntax:
> >
> > tcpdump -i <external interface IP of firewall> host <client IP>
> > /tmp/trace.log
> >
> > When I run this command, I get the message
> >
> > tcpdump: <external interface IP of firewall> :Device not configured
> >
> > Anyone know what I'm doing wrong? Thanks in advance for your help guys.
> >
>
>
>
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