As a general rule, yes. But there are some exceptions to that rule
where people don't have enough hardware to strictly follow it. One
example is a home network, where you have a windows machine and a
linux box doing NAT. Since there aren't any local users you're worried
about, it's reasonably safe to do things on the linux box, while the
windows benefits from the packet filtering.
Another possibility is a small business, where the "firewall" is
actually a combination web/email server and packet filter. Here again,
if the web and mail admins are the same person as the system
administrator, which is pretty likely, there's no local users to worry
Basically, having a dedicated firewall machine is ideal, but when
that's not possible, having a non-dedicated one is better than
This has to be the dumbest question today.
How do I run dosemu?
I'm using Suse 6.3 and I think I installed dosemu.
(Remove the NOSPAM from my EMail address when replying.)