hello when i want forward ip > to > ip. (.51 > 58) what i must do that it works? maybe a rule too on the destination adre to reply with other source ip?? thx bye --------------tables-------- echo "1" > /proc/sys/net/ipv4/ip_forward iptables -I FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT iptables -F FORWARD iptables -t nat -F iptables -A FORWARD -p udp -d xx.xxx.xx.58 --dport 27021 -j ACCEPT iptables -A PREROUTING -p udp -d xx.xxx.xx.51 --dport 27021 -j DNAT --to 62.116.24.58:27021 iptables -A FORWARD -p tcp -d xx.xxx.xx.58 --dport 27021 -j ACCEPT iptables -A PREROUTING -p tcp -d xx.xxx.xx.51 --dport 27021 -j DNAT --to xx.xxx.xx.58:27021