> on *nix, you have to be root to open a 'raw' socket, which is what > ping uses (a raw socket of type ICMP). Really? I'd never noticed this before: at the office, I'm able to ping any machine I want from my normal user account. I'm going to ask our IT chief for more details on how our accounts are configured for this. Thank you very much for your explanation! -- Laurent, Nantes - France Apple PowerBook 12" Treo 650 (unlocked GSM) Nokia 770