Ethernet bridge tables - Linux Ethernet filter for the Linux bridge.
Contains the old sourcecode repository that is no longer maintained.
Please see http://git.netfilter.org/ebtables/ and http://git.netfilter.org/arptables/ for the currently maintained repository (courtesy of the netfilter team).
Is your annual budget for Service Desk/ITSM software greater than $8,000?
Extremely useful. Some kind of tutorial would be nice, but maybe I just didn't find it (yet).