Dear List!
please checkout the attached code. It contains the new firewall and firewallgroups.
For your convenience i added an installationscript, which takes care of backing up old files and you are able to install and deinstall the code via the provided setup.sh script.
Please copy the tar archive to your ipfire. Create a directory in which you untar the files. Then simply make setup.sh executable and start it
./setup.sh install
to uninstall all code and revert all changes, simply do a
./setup.sh deinstall
Please give feedback!!!