Some problems with physdev iptables match : gcc version 3.3.6 kernel 2.6.12 (physdev is selected as module in kernel / netfilter) iptables 1.3.2 or 1.3.3 nf-hipac v0.9.0 commands: nf-hipac -m physdev --help nf-hipac -A FORWARD -m physdev --help i see error like this:nf-hipac v0.9.0: Couldn't load match `physdev':/lib/iptables/libipt_physdev.so: undefined symbol: parse_interface