On Wednesday 19 June 2002 13:07, Thiago Macieira wrote: > The only thing that sends to 0.0.0.0, as far as I know, is DHCP/BOOTP. Or > was it 255.255.255.255? IIRC DHCP/BOOTP has a _from_ address 0.0.0.0 and a destination 255.255.255.255. And they should be the only protocols doing this (except maybe from exploits ;-) because they are considered invalid in any other context. Martijn