Simple Firewall is a easy tool for administration of users and access control. It uses iptables for packet filtering, and saves rules with XML. It can be run in bash and over the Web via webmin.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
The ability to insert multiple IP addresses in the
source and destination of the firewall rules was
added. Minor errors were fixed. Other minor
changes were made.