Anyone heard of the Ping of Death, aka the Ping Bomb. It's a large chunk of hostile code, disguised as a mere ping, that can lead to server rebooting. James Glave Technology Assignment Editor, Wired News, http://www.wired.com/ Producer, Packet, http://www.packet.com/ Phone: 1.415.276.8455 Fax: 1.415.276.8499