[CentOS] firewall?

> not to mention danger of PC's bypassing your one-NIC firewall and
> unsafely connecting to the outside.

That I think is the biggest danger with a one NIC setup.

Linux boxen may be safe(r) (then windows) from being infected or
hacked but just one malicious machine can bypass the security in place
if you don't logically *and* physically separate your subnets.


-- 
Drew

"Nothing in life is to be feared. It is only to be understood."
--Marie Curie