Am I just not looking in the right place, or do I have to install a separate package?
Firewall on kernels 2.4.x and up is Iptables. Dunno about GUI's and Debian.
I see there is also a Debian package for something called gnome-lokkit. Are any of these as easy to use as the RedHat firewall configuration?
Lokkit is not a very confgurabel tool AFAIK.
What about bastille? Is that the same kind of thing?
Bastille-Linux is a hardening tool tho I don't know if it's for Debian: I know Tiger is. Removing software and services you don't need should go first. Hardening your box is next (CERT, SANS docs, vendor specific hardening, SecurityFocus.com, LinuxSecurity.com, Tiger, Bastille-Linux) and installing a filesystem integrity checker like Aide, Samhain or tripwire comes after that. Top it off installing Chkrootkit, Rootkit Hunter and regularly updating software and running audits and you'll have a good start at a better secured box.
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