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In a message dated: 30 Apr 2002 08:33:35 EDT Kevin D. Clark said: >"Mansur, Warren" <[EMAIL PROTECTED]> writes: > >> I have need to generate a globally unique ID between nodes. > >I think that using the lowest MAC address on the node is a pretty good >solution. This is similar to what layer-2 bridges do >when they implement spanning-tree. In practice, this works well. > >Yes, there are certain MAC address ranges that can be "reprogrammed". >You'll have to decide if this is a show-stopping issue for you. It's too trivial to spoof a MAC though. If you're relying upon this for some type of secure transaction, I wouldn't trust a MAC as the GUID. What about using an SSH or GPG key, an md5 hash somehow? - -- Seeya, Paul -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: Exmh version 2.2 06/23/2000 (debian 2.2-1) iD8DBQE8zpR2uweSOVPxKO4RAj68AJ9gYS5zByrLZjDc4SmC/ogH35Q89wCfYVaX VM3S1yy80Ed/K78y4mojfHk= =1DRg -----END PGP SIGNATURE----- ***************************************************************** To unsubscribe from this list, send mail to [EMAIL PROTECTED] with the text 'unsubscribe gnhlug' in the message body. *****************************************************************
