Hello, JAG> MAC addresses can be easily changed (spoofed) with ifconfig's hw JAG> option. So they can't be trusted. Better look into ipsec if you really JAG> care about authenticity, plus you get pretty good encryption with it as JAG> well.
of course, I know about them, thanks :) But I want to control arp-proxing - for who turn it on and for who turn it off - I dont know if it possible still. Yes I know about ebtables - but I never used it :) maybe...maybe...:) -- Cheers, Marcin.
