Sessions logged on from mainframe-attached clients do not support network security features, such as security mechanisms, encryption, or directory management of users. Such logons require submittal of only the username, password, tdpid, and optional account string information using the .logon command.
For information on logons from mainframe-attached clients, see Teradata Vantage™ - Advanced SQL Engine Security Administration, B035-1100 and Teradata® Director Program Reference, B035-2416.