On Tue, 11 Jun 2002, John Nielsen wrote:
> > On Tue, 11 Jun 2002, John Nielsen wrote:
> > >
> > >
> > My best guess would be that the modem is doing some anti-spoofing
> > between it's interfaces to prevent packets coming from the inside
> > having it's outside IP. You will be able to tell if NO ipencap
> > packets are received on the remote BSD machine.
>
> Could you elaborate on this? Since that does seem to be the problem (or at
> least a strong candidate), what would I have to do to work around this? I
> don't suppose it's possible to create a gif tunnel inside an ssh tunnel, is
> it?
Well it's simple. The modem has 2 interfaces, one with the
public_ip and one with the private_ip (which connects to your
network). To prevent spoofing, the modem could only allow traffic
from certain private IP's and/or not allow packets with it's
public address in/out via it's private interface.
Nick Rogness <[EMAIL PROTECTED]>
- Don't mind me...I'm just sniffing your packets
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