On Tue, 10 Jan 2006, Herbert Graf wrote: > Does anyone have a compilable example of a problem that receives > broadcast UDP packets? Look at the dhclient/dhcpd package source in addition to the links which I have sent. Afaik you can't broadcast unless you have superuser privileges as broadcasting and receiving requires access to the network interface in raw (promiscuous) mode. So your program should be suid root at least probably. Peter -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist