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Date:      Thu, 8 Feb 2001 13:54:11 -0500
From:      "Elliott Perrin" <eperrin@bigorbit.com>
To:        <freebsd-ipfw@FreeBSD.ORG>
Subject:   Question regarding PPPoE and IPFW
Message-ID:  <004c01c09200$87028b00$0c01a8c0@bottleneck2000>

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I am setting up a gateway machine for a friend at his home and i was wondering if ipfw
will work over a PPPoE link, and whether or not I should filter traffic based upon the
Ethernet Interface or based upon the tun0 interface created when a connection occurs.

I also have a question about the packet filtering process. I have a LAN behind an FBSD 4.2
box doing NAT and IPFW. There is also a separate LAN (DMZ if you will) where the public
servers reside. From what I have read in the ipfw man pages the divert natd all from any
to any rule should change the packets from our internal LAN. However the only way the LAN
is able to get out to the internet is with an allow all from 192.168.1.0/24 to any rule.

I was just wondering (for future reference) is this normal behavior?

Regards,
Elliott Perrin
eperrin@bigorbit.com



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