Newby question about firewalls

I'm using Firestarter on Fedora. Firestarter shows the sources it has
blocked, but what about sources that haven't been blocked? What other
means are available in Linux for identifying intruders?

TIA

skip wrote:
> I'm using Firestarter on Fedora. Firestarter shows the sources it has
> blocked, but what about sources that haven't been blocked? What other
> means are available in Linux for identifying intruders?

Try a search for "snort" or "IDS" at google.com/linux

--
Confucius: He who play in root, eventually kill tree.
Registered with The Linux Counter. http://counter.li.org/
Slackware 9.1.0 Kernel 2.4.24 SMP i686 (GCC) 3.3.2
Uptime: 12 days, 1:12, 2 users, load average: 1.23, 1.12, 1.0