How to bounce a tcp port to another server using iptables
/sbin/iptables -A PREROUTING -t nat -p tcp -d oldIP --dport oldport -j DNAT --to newIP:newport /sbin/iptables -A FORWARD -p tcp -d newIP --dport newport -j ACCEPT
A scratchpad of useful tips
/sbin/iptables -A PREROUTING -t nat -p tcp -d oldIP --dport oldport -j DNAT --to newIP:newport /sbin/iptables -A FORWARD -p tcp -d newIP --dport newport -j ACCEPT