Re: Sniffing out a firewall problem.

[Gregory Hicks <ghicks () cadence com>]

> From: aryoung () veros com (Alan Young)
> Date: Wed, 31 Oct 2001 09:46:25 -0800
[...snip...]
> What is the best way to debug this?
> We need to install a sniffer program on a PC somewhere, right?

Do you have a Unix box?  (Perish the thought!)

With Solaris, AIX, HP-UX, ...  a 'sniffer' is built in 
(Solaris==> '/usr/sbin/snoop')

tcpdump is also available via a quick search on the net.

> I have checked and sniffer software appears to be very expensive?
> Is there freeware that is available for Win32?

Check at http://freshmeat.net/ ...  There are others.

Regards,
Gregory Hicks

---------------------------------------------------------------------
Gregory Hicks                           | Principal Systems Engineer
Cadence Design Systems                  | Direct:   408.576.3609
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