>Please post your complete ruleset, including the definitions >of variables such > here are the rule sets. iptables -A FORWARD -i eth0 -o eth1 -m state --state \ESTABLISHED, RELATED -j ACCEPT iptables -A FORWARD -i eth1 -o eth0 -j ACCEPT iptables -A FORWARD -j LOG iptables -t nat -A POSTROUTING -s 192.168.0.0/24 -o eth0 \ -d 161.x.x.x/21 -j SNAT --to 161.x.x.x <iptables -L -nvx> Chain INPUT (policy ACCEPT 127 packets, 9436 bytes) pkts bytes target prot opt in out source destination Chain FORWARD (policy ACCEPT 36 packets, 1709 bytes) pkts bytes target prot opt in out source destination 0 0 ACCEPT all -- eth0 eth1 0.0.0.0/0 0.0.0.0/0 state RELATED, ESTABLISHED 0 0 ACCEPT all -- eth1 eth0 0.0.0.0/0 0.0.0.0/0 0 0 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 LOG flags 0 level 4 Chain OUTPUT (policy ACCEPT 74 packets, 8568 bytes) pkts bytes target prot opt in out source destination <iptables -t nat -L> target prot opt source destination SNAT all -- 192.168.0.0/24 161.x.x.x/21 to:161.x.x.x John http://www.arbbs.net/