6. Security and Logins
6-6 September 2002 9128-A2-GB20-80
Controlling Telnet or FTP Access
The FrameSaver unit provides several methods for limiting access via a Telnet or
FTP session. Telnet or FTP access can be on a standard management link or on a
service provider’s troubleshooting (TS) management link.

Limiting Telnet Access

Telnet access can be limited by:
Disabling Telnet access completel y.
Requiring a login for Telnet sessions that are not on the TS Access
Management Link.
Assigning an access level for Telnet sessions.
Disabling TS Access Management Link access.
To limit Telnet access via a service provider’s troubleshooting management link,
see
Limiting Telnet or FTP Access Over the TS Access Management Link
on
page 6-8.
Procedure
To limit Telnet access when the session is not on the TS Access Manageme nt
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.
3. Save your changes.
See
Configuring Telnet and/or FTP Session Support
in Chapter 4,
Configuration
Options,
for more information about setting Telnet 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 combinat ions must
be defined. See
Creating a Login
on page6-12.
Assign an access level Session Access Level to Level-2 or Lev el-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 tel net acc ess
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.