Trying to do something complicated

Thu, 17 Feb 2005 06:04:52 -0800


I'm trying to do something that's likely a bit unusual, and I'm not sure
ipfilter can help me. But, I thought I'd ask.

  I'm running NetBSD 2.0, with ipfilter 4.1.3 (I think) and ipnat.  I'm
NAT'ing out my dynamically single-addressed broadband connection,
and have a slow connection on ppp0.  The network my computers are
using behind the NAT is routed down the ppp0 connection, but I want
most (if not all) initiated traffic to go out the broadband.

So the issue is, if packets come in ppp0, I want to reply to them *out*
ppp0, without NAT'ing. But, otherwise, I want the NAT rules to NAT
them out the broadband connection.

  Is this sort of inquiry/selection possible with ipfilter/ipnat?

  Thanks...

                                     - Chris

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