Yep.
Look at miquels.www.cistron.nl for a linux based, portmaster
compatible terminal server called portslave.
Uses radius to authentificate.
Danny ter Haar | Cistron Internet Services | Unix & Internet
dth@het.net | finger dth@cistron.nl for PGP-key | specialists
-Linux:-microsoft-free environment---+31-172-419445----------SP6------