From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jason Opperisano <opie@817west.com>
Subject: Re: Blocking forwarding of packets in WLAN
Date: Thu, 14 Oct 2004 10:27:30 -0400
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On Thu, Oct 14, 2004 at 03:48:50PM +0200, Claudio Lavecchia wrote:
> Prototype for my function is then: 
> 
> void block_forwarding(char * MAC_address); 
> 
> Is this feasible someway using iptables? Can anyone give me a precise hint
> on how to do that? I would be truly grateful if someone could help me. 

can't help you with the C code aspect of it, but if at some point you
get to the part where you need the actual iptables command to block
forwarding of a packet by MAC address, it's:

  iptables -A FORWARD -m mac --mac-source $MACADDR -j DROP

where $MACADDR is in XX:XX:XX:XX:XX:XX form.

-j

-- 
Jason Opperisano <opie@817west.com>