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Date:      Mon, 2 Jun 2003 20:11:40 -0300 (ART)
From:      Fernando Gleiser <fgleiser@cactus.fi.uba.ar>
To:        Vlad GALU <vladg@vipnet.ro>
Cc:        freebsd-security@freebsd.org
Subject:   Re: Packet flow through IPFW+IPF+IPNAT ?
Message-ID:  <20030602200857.T6733-100000@cactus.fi.uba.ar>
In-Reply-To: <20030602174758.3f85db72.vladg@vipnet.ro>

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On Mon, 2 Jun 2003, Vlad GALU wrote:

> 	Example one: IPF is compiled in kernel, IPFW is a module. In this case
> IPFW stands 'outside' of IPF.
> 	Example two: viceversa: the order in which they take action is reversed
> too.

Are you sure? Last time I saw the code (almost a year ago) it didn't
make a difference if they were loaded as modules or compiled in kernel.
The hooks were in the same place.

> 	IPNAT is always 'outside' IPF.

Or, in other words, IPF always 'sees' the real IPs, not the NATed ones.


			Fer



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