<citaat van="Jakub Nadolny"> > Hi, > > I try to do simple address:port forwarding and I can not get it > working. I want to have all traffic send to > some.internet.address:some_port > to be forwarded to 192.168.155.123:80. > > So I guess following rule should work fine: > iptables -t nat -A PREROUTING -p tcp -d some.internet.address --dport 1234 > -j DNAT --to 192.168.155.123:80 > > But when afterthat I enter some.internet.address:1234 in firefox I can > not see webpage which is located at 192.168.155.123. It tries to connect > but there is no result. > > What could be the reason of that? If you are doing this from the same network the webserver is on, this will not work. The return traffic is going straight back to the client instead of being 'Natted-back' by the firewall. HTH, M4 - To unsubscribe from this list: send the line "unsubscribe netfilter" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html