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Date:      Thu, 1 Aug 2002 09:52:25 -0700 (PDT)
From:      Julian Elischer <julian@elischer.org>
To:        Anthony Volodkin <anthonyv@brainlink.com>
Cc:        net@freebsd.org
Subject:   Re: Filtering of PPPoE packets with ipfw
Message-ID:  <Pine.BSF.4.21.0208010951220.34540-100000@InterJet.elischer.org>
In-Reply-To: <3D48A691.9090901@brainlink.com>

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oh yeah,, I forgot.. you could fix it by not assigning an IP address to
the wireless card too..
i.e. ifconfig wi0 up
(no address)


On Wed, 31 Jul 2002, Anthony Volodkin wrote:

> Hi,
> 
> Today, I've setup a machine that allows wireless clients to initiate 
> PPPoE sessions with it and thus access the internet or the other network 
> connected to that machine.  However, if wireless clients do not use 
> PPPoE and manually set their IP address/netmask/gateway, they will still 
> be allowed to access the resources.  Is there a way, using ipfw to allow 
> only the encapsulated PPPoE packets through an interface?  I can 
> definetly tell the difference when looking at them with tcpdump.
> 
> On another note, how do I compile ppp with DES support?  The man page 
> says that this is necessary for it to work with MS-CHAP v2.  I cant 
> figure out how to do that.
> 
> My setup involves, pppoe and ppp.  In the future i might investigate 
> doing this with mpd as well.
> 
> Regards,
> Anthony Volodkin
> http://non-standard.net/
> 
> 
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