Translate MAC address to IP address

[The Jetman]

    Mike:  Am I mistaken or can MAC-oriented IPFW2 rules be used along side 
IP-oriented rules ?  I ask bec I setup a very simple script that would filter 
all but a couple of MAC addrs then fwd incoming IPs to an internal web 
site.  I *thought* I tried all of the reasonable combinations, but I TOO 
would like to know more about this.  That is, I can filter certain MAC addrs 
*OR* I can filter/forward certain IPS, but I can't do both in the same IPFW 
script.  Later....Jet

===============  From the desk of Jethro Wright, III  ================
+      Nothing causes self-delusion quite so readily as power.       =
===  jetman516 at hotmail.com  ======================  Liu Binyan  ===


----- Original Message ----- 
From: "Mike Silbersack" <silby at silby.com>
To: "Dan Constantinescu" <gonzo at gamebox.net>
Cc: <freebsd-net at freebsd.org>
Sent: Sunday, December 7, 2003 22:15 PM
Subject: Re: Translate MAC address to IP address


> 
> On Mon, 8 Dec 2003, Dan Constantinescu wrote:
> 
> > My name is Dan , and i would ask you for help...how can i filter users
> > from a LAN to acces internet throuh a freebsd server (i've installed it)
> > by MAC? Or i need a script to bind ip to mac? Thank's Dan.
> 
> 
> If you're running a recent release of freebsd (4.8 or later should do),
> you can recompile your kernel with IPFW2, which supports filtering by mac
> addresses; see the ipfw manpage for more information.
> 
> IPFW2 is the default in 5.x, so you wouldn't need to recompile if you're
> running 5.x.
> 
> Mike "Silby" Silbersack
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