I don't see the problem. You can specify the limit on the outgoing interfaces, depending on the incoming interface. Using firewall marks is quite easy. Have you tried the example setup from the HOWTO? On Thu, 23 Nov 2000, Thomas Habets wrote: > On Thu, 23 Nov 2000, Daniel Bergqvist wrote: > > Assume you have a router with two interfaces, eth0 and eth1, when you may > > limit incomming traffic on eth0 by limit outgoing traffic on eth1. > > I thought of that, but the problem is that I have four interfaces on the > gateway plus the external one. >