mheymann
Allow/Deny hosts commands might be able to do what I need.
That's really for controlling external traffic trying to acccess your web server.
Look at
http://wiki.contribs.org/Dansguardian...I can deny a range of specified internal IP address access to the HTTP server
All the configuration you require is in the config files, so install it and read them.
Depending on which way you want to set it up, (ie ban all allow some, or allow all ban some), look at
http://wiki.contribs.org/Dansguardian/ConfigFilesfor
bannediplist
IP addresses of client machines to disallow web access to. Only put IP addresses here, not host names.
and
exceptioniplist
This contains a list of client IPs who you want to bypass the filtering. For example, the network administrator's computer's IP.