Yes, they do throw up an error. ... Both cards believe the packets are destined for them. ... basically, they'll fight :) To take a mac address, one needs to wait for a PC to go offline (or take a PC offline), then steal the MAC. ... Stealing the MAC is very easy, intel network cards let you SET the MAC in windows (under advanced settings) ... in linux, there are programs that can do it, which work with most cards. As for protection, I don't believe there is a simple way to protect against such an attack ... Encryption? :) Will > : >> > Helo... >> > I need to ask about hardware address.... > if you have two cards with identical mac addresses on your network, will > they work together? surely one will get an error? > _______________________________________________ > LARTC mailing list / LARTC@mailman.ds9a.nl > http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://ds9a.nl/lartc/ --- "They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety." -- Benjamin Franklin, 1759
