ipfw add 1 allow ip from 192.168.1.1 to any mac any 01:02:03:04:05:06 in
via xl0
ipfw add 100 drop ip from any to any mac any any in via xl0

tem que testar isso.. mas no caso essa regra libera o ip 192.168.1.1
quando este vier com o mac 01:02:03:04:05:06.. 



Em Qui, 2004-03-04 Ãs 11:35, Dagoberto Carvalio Junior escreveu:
> Olà Pessoal,
> 
>     alguÃm està utilizando filtros com o ipfw de ip juntamente com 
> mac.Quero bloquear ou liberar mÃquinas que possuam IPÂs atrelados com MAC .
> 
> Exemplo :
>     Liberar a mÃquina de IP 192.168.0.23 com MAC 00:09:AA:03:BC:12
> 
> Isto à possÃvel ?
> 
> []Âs
> 
> Dagoberto.
> 
> 
> 
> -- 
> ########################################################
> 
> Dagoberto Carvalio Junior - CCNA/CCAI/FCPF/FCPM/SCS
> Analista de Sistemas
> 
> Instituto de Ciencias Matematicas e Computacao
> UNIVERSIDADE DE SAO PAULO
> 
> Mail : [EMAIL PROTECTED]
> Tel  : (16) 273-9652
> 
> ########################################################
> 
> 
> 
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