Yes.

http://www.netfilter.org/documentation/HOWTO//packet-filtering-HOWTO-7.html#ss7.3

Scroll down to the section "Other Match Extensions" where you will
find the mac match. Here's an example usage like you descibe

iptables -A <chain> -m mac --mac-source ! <mac address> -j DROP

Since you are either allowing it or not to all networks, you don't
need the destination set. From the looks of it, you are only concerned
about the mac address.

Regards,
Daniel

On 6/9/06, Luis <[EMAIL PROTECTED]> wrote:
hi there

i m setting some new rules in my firewall and i would like to know if ifs
dooable
the next thing

example iptables -a ! computermac-addrees -d anynetwork -j DROP


IS THAT doable?



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   Generation      ^^-^^    Santiago de cuba
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