* David Hajoglou <[EMAIL PROTECTED]> writes:

> What sort of applications does linux have that either make up, or aid a
> firewall.  I have seen some stuff on ipfdw and ip_masq, but are these
> firewall components, or just methods of passing packets from point to
> point?  Is there any gpl software that is intended for just a firewall
> application?  Any remarks would be great!

In short, the answer to your question is "ipchains".

man 8 ipchains

also read...
/usr/doc/Linux-HOWTOs/Firewall-HOWTO.gz  (it's old and outdated but it
                                        will give you some
                                        understanding)
/usr/doc/Linux-HOWTOs/Security-HOWTO.gz
/usr/doc/Linux-HOWTOs/IPCHAINS-HOWTO.gz


-- 
---Regards, Steve Youngs--------Email:-<[EMAIL PROTECTED]>---
|     If Microsoft is the answer, then all I can say is that     |
|               you are asking the wrong question.               |
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