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Date:      Mon, 14 Aug 2000 18:23:57 -0500 (CDT)
From:      Mike Meyer <mwm@mired.org>
To:        Gerd Knops <gerti@bitart.com>
Cc:        questions@freebsd.org
Subject:   Routing based on source IP?
Message-ID:  <14744.32653.437890.388308@guru.mired.org>
In-Reply-To: <62361545@toto.iv>

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Gerd Knops writes:
> Hi everyone,
> Is it somehow possible to route based on source as well as destination  
> address?

man ipfw.

> Ideally I would like to have 2 different default routes, based on the  
> source IP-address. That would enable me to force routing through a  
> specific gateway (=ISP).

Note that for protection purposes, source routing is generally frowned
on, as it's to easily forged. You throw out packets from the outside
world claiming to come from the inside world, and otherwise don't
trust the source.

	<mike


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