Hi,

I am looking for a web site or documents online which will help me to understand how a OS Linux Redhat works (I mean the basic commands)and specially about the firewall gshield (how to setup the FW, where to find rules, access list, NAT, etc...).
I have no experience on Linux, and I have to manage a firewall based on Linux and Gshield. I have experience on Cisco FW pix 515, so it s gonna help a little.

So thanks a lot if you can provide me any kind of support , to help me to understand and to manage this firewall as a junior administrator.....

Thomas

http://www.ee.surrey.ac.uk/Teaching/Unix/

http://www.cmm.uklinux.net/steve/ntt.html

Also check the install cd's for any readme files and there is probably a package you can install that will have the docs in it.

ftp://ftp.planetmirror.com/pub/redha...en/doc/RH-DOCS

"Shrike Docs" may be what you're looking for. I got these with RH9.0

Google?

http://www.mirrors.wiretapped.net/security/firewalls/

http://www.ngogeeks.com/book/print/2...b63979e7377afe

LQ FAQ: Security references post #2 "Netfilter, firewall, Iptables, Ipchains, DoS, DDoS".

BTW, better edit your post and move the part about "how Linux Redhat works" to another thread in say, the Distributions, or better, the Distributions/Red Hat forum. Linux - Security is for security issues (or so I'd still like to think).