$iptables -t nat -A PREROUTING -i eth1 -p tcp -m multiport --dport 21,22,25,53,80,110 -j REDIRECT -i eth0 --to-port 3128 #eth0 local
$iptables -t nat -A PREROUTING -i eth1 -p tcp -m multiport --dport 21,22,25,53,80,110,6588 -j DNAT --to 192.168.0.2:3128