From owner-freebsd-net  Thu Sep 14  1:18:50 2000
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Message-ID: <39C089D8.167EB0E7@elischer.org>
Date: Thu, 14 Sep 2000 01:18:32 -0700
From: Julian Elischer <julian@elischer.org>
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To: Ben Schumacher <ben@henshaw.net>
Cc: freebsd-net@freebsd.org
Subject: Re: netgraph based MAC authentication
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Ben Schumacher wrote:
> 
> Hello-
> 
> I'm working on a project where I need to be able to authenticate people by
> their MAC address against a RADIUS server.  While looking into the best way
> to develop this, I starting toying around with netgraph and think it is the
> perfect framework for what I'm trying to do.

that's the kind of thing we wrote it for..
 
[...]

> I guess the part that's stumping
> me most right now, is where the node will pass the packets that are allowed.

back to the ethernet inteface....
in 5.x and 4.x (not sure about 3.x) the ethernet interface has
upper and lower hooks..

If you receive a packet on "lower", and it's ok, then pass it back to
'upper'
to continue on it's way.
(and visa versa)

>
julian

-- 
      __--_|\  Julian Elischer
     /       \ julian@elischer.org
    (   OZ    ) World tour 2000
---> X_.---._/  presently in:  Perth
            v


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