Security and Logins

4-5

9124-A2-LB20-00 March 2000
Limiting Telnet Access
Telnet access can be limited by:
HDisabling Telnet access completely.
HRequiring a login for Telnet sessions that are not on the TS Management
Link.
HAssigning an access level for Telnet sessions.
HDisabling TS Management Link access.
To limit Telnet access via a service provider’s troubleshooting management link,
see Limiting Telnet or FTP Access Over the TS Management Link.
"Procedure
To limit Telnet access when the session is not on the TS Management Link:
1. Select the Telnet and FTP Session options.
Main Menu →Configuration →Management and Communication →
Telnet and FTP Sessions
2. Set the following configuration options, as appropriate.
To . . . Set the configuration option . . .
Disable Telnet access Telnet Session to Disable.
Require a login Login Required to Enable.
NOTE: User ID and password combinations
must be defined. See Creating a Login.
Assign an access level Session Access Level to Level-2 or Level-3.
NOTE: Regardless of a user’s login access
level, a user cannot operate at a level higher
than the access level specified for the Telnet
session (e.g., if a user has a Level-1 login and
Level-2 telnet access has been set, the
Level-1 user can only operate as a Level-2
user).
If you are going to allow users to configure the
unit, keep the access at Level-1.
3. Save your changes.
See Configuring Telnet and/or FTP Session Support in Chapter 3, Configuration,
for more information about setting Telnet configuration options.