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6. Security and Logins
9700-A2-GB20-20 December 2002
6-5
Limiting Telnet Access
Telnet access can be limited by:
Disabling Telnet access completely.
Assigning an access level for Telnet sessions.
Requiring a login for Telnet sessions that are not on the TS Management Link.
Disabling 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
on page 6-7.
Procedure
To limit Telnet access when the session is not on the TS Management Link:
1. Select the Telnet and FTP Sessions option.
Main Menu
→
Configuration
→
Management and Communication
→
Telnet and FTP Sessions
2. Set the following configuration options, as appropriate:
3. Save your changes.
See Configuring Telnet and/or FTP Sessions in Chapter 4, Configuration Options,
for more information about setting Telnet and FTP configuration options.
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 for the User Interface
on page 6-13.
Assign an access
level Session Access Level to: Level-2 or Level-3.
NOTE: A user cannot operate at a level higher than the
access level set for the Telnet session. Keep the access at
Level-1 if you are going to allow Level-1 users to configure
the unit.