You want all 3?
k...
Webserver:
Intell Pentium 400 mhz cpu
128 mb ram
Running Gentoo Linux (
gentoo.org
Apps:
Apache, php4, teamspeak server, pureftpd server, qmail email server....
Firewall
I don't know what it is passed on, but my firewall is smoothwall (smoothwall.org) running on 200mhz, 128mb ram
Play around with/ Backup webserver
Amd 800 Mhz, 256mb ram, running Gentoo Linux
Apps:
Same as webserver.. Currently installing Xorg and kde desktop.
Reason for using Gentoo:
Because it is easy to install the software.
Type in "emerge apache" and it will automatically download and install all the needed dependencies, and insome cases configure it so that the app works almost right way with out having to do much configuring.