Dear James. >> is there a way to combine iptables parameters like: iptables >> -A OUTPUT -p UDP & -p TCP -d $IP1 & -d $IP2 ? I should have better written something like: -A OUTPUT -p UDP OR -p TCP -d $IP1 OR -d $IP2 as that's what I was looking for. Sorry. Best Regards Marcus _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos