> internet > <------>(eth0)[web,smtp,pop3,ftp](eth1)<------>LAN(192.168.13.0/24) > > i have only one "real" IP on eth0. > > can you tell me how can i use something like : > > http://www.myserver.xxx:33333 to redirect to .. let's say 192.168.13.147:80 ?? > iptables -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT iptables -A FORWARD -i eth0 -o eth1 -d 192.168.13.147 -j ACCEPT iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 3333 -j DNAT --to-destination 192.168.13.147:80 > the main problem that i see here is that on port 33333 i have no services running. If port forwarding doesn't work, you don't see a service running on the port. OTOH if portforwarding works but the service isn't running, the port isn't open on <inet_ip> either. Gr, Rob