Brad Clarke wrote:

I think my problem is I don't understand why they're being seen as
martians simply because I added another public interface to my
configuration, which probably just means I don't really understand
what defines a martian.

An incoming packet is considered to be a Martian if the response to that packet would be routed out of a different interface from the one that the incoming packet was received on.

So, for example, if the route to 192.168.1.0/24 is out of eth0 and a packet from 192.168.1.4 is received on eth1, that packet is a Martian.

-Tom
--
Tom Eastep    \ Nothing is foolproof to a sufficiently talented fool
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