On Friday, July 22, 2011 10:55 PM, Jennifer Botten wrote: > Hi Julio, > > -A FORWARD -i eth2.2 -s 192.168.1.0/24 -d 10.30.4.28 -p udp -j ACCEPT > > -A FORWARD -i eth2.2 -s 192.168.1.0/24 -d 192.168.0.0/24 -p tcp -j ACCEPT > > -A FORWARD -i eth1 -s 192.168.0.0/24 -d 192.168.1.0/24 -p tcp -j ACCEPT > > -A FORWARD -i eth3 -s 10.30.4.28 -o eth2.2 -p udp -j ACCEPT > > -A POSTROUTING -m helper --helper sip -m state --state ESTABLISHED,RELATED dumb question but do you have ip forwarding enabled?