how to split port 80 via two gateway by range

[badai707]

i need help..

i've setup gateway server (ip: 192.168.1.4) which connected to LAN (192.168.0.0/24) via eth0. I need to split whatever going out via port 80 to two gateway by eth1 and eth2

1. If user from LAN browse to private ip (192.168.0.0/24), it go via eth1 (192.168.1.2) and
2. If user from LAN browse to public ip (203.0.0.0/24), it go via eth2 (192.168.1.3)

plz help & tq.

[Triptol]

I think you are looking for masquerading, but I am not completely sure. Have a look at iptables and masquerading (google will help).

You can also try arno-iptables which is part of Ubuntu. It is Perl script with a lot of explanation inside.