[NCLUG] port monitorer
Michael Dwyer
mdwyer at sixthdimension.com
Mon Feb 19 09:26:48 MST 2001
> My firewall is blocking a needed port for running icq, and I'm having
> a hard time finding it. I realize icq is *supposed* to use
> 2000-2020 tcp and 4000 udp, but those are open and it's still not
> working unless I open everything.
> Do you guys know of a tool that will tell me which ports are being
> used so that I can run it w/ icq and see what icq's doing?
I think you will find iptraf very useful in this case:
http://freshmeat.net/projects/iptraf
It does live connection tracking, port and ip identification, and runs a
DNS reverse-lookup daemon, so DNS lookups are non-blocking.
I find it to be very useful.
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