>I have a gateway system running Linux 1.2.13 that is connected to my internal
>network via an Ethernet card and to the Internet via a PPP connection.
>I would like to be able to set up my internal Class C network as 'trusted'
>for some features, but it seems to me like I would need to make sure that
>no packets coming in across the PPP link spoof my internal network's address.
>Is there a way in the PPP code to filter out any packets that say they
>are coming from my internal network?
put filters into the PPP code.
The filtering is performed by the firewall code. It does it now. You need
only use the rules and specify the interface IP address.
The above opinions do not necessarily represent those of the Management
of System Integrators nor any of its subsidiaries.