On Sat, 29 Jul 2000, David Chen wrote: > How do you spoof MAC addresses? I thought they were hard-coded > in the ethernet hardware/firmware. Why would any ethernet card maker > let anyone easily write into ethernet firmware? Doesn't that defeat > the whole idea of ethernet addresses being unique? something along the lines of ifconfig eth0 hw de:ad:be:ef Almost all cards allow you to change the hwaddr from software. The few that don't still allow you to generate raw packets and listen promisc (same effect but performance impact).. - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.rutgers.edu