Iptables MAC filtering

[sorin06kjf]

Hello everybody,

I need some help from you:
I have a network with 60 workstations and a proxy server and I want to give access at internet those that I mentioned in iptables and everybody that is connected in the network have not access to internet.
eth0 = internet
eth1 = lan
Can someone help me?

[SIGSEGV]

You can append rules to the PREROUTING, FORWARD and INPUT chains by using the
--mac-source [!] address option with the iptables FW admin command.