The UIF project has been developed for a diskless router system and provides a mechanism to create and simplify packet filter rules. It forces you to provide names for every value you use in order to make firewalls less confusing.
Please have a look at the man pages for uif(8) and uif.conf(5). There are also example configurations in the docs/ directory.
There is some LDAP support built-in, with that you can handle a big farm of diskles router configurations. Use uif(8) and information provided in the doc/ directory to configure the firewall fitting your needs.
UIF is on Github. If you've found a bug, or have suggestions for future versions please report it via the project's issue tracker: https://github.com/cajus/uif/issues
If you have installed UIF on Debian, you can also use the Debian BTS for reporting bugs. As the Debian maintainer of UIF is a member of the UIF upstream development team, the Debian bugs will also reach upstream quickly.
Have fun, -Jörg Platte, Cajus Pollmeier, Mike Gabriel, Alex Owen