newbie quetsions

[Andrey Todorov <andreyt () gawab com>]

Hi People,
I tried several times to subscribe myself to "Security Basics" mailing 
list to ask my questions, but didn't succeed. Excuse me if my questions 
aren't adequate to "Focus IDS" mailing list!

I'll be very gratefull if you share your opinion with me for the 
following situation. I have small network (5 PCs) behind one Linux box 
(iptables firewall , Pentium I 166Mhz, 32MB RAM, 4GB HDD) and want to 
increase security for this network.

   1. Do I need IDS?
   2. What do you think about Snort? Can I find easy maintainable 
free/opensource IDS then Snort?
   3. What IDS literature should I read?

Thank you in advance!

Andrey



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