3.5.22 Main Menu->Ports->Port Security
Use the Port Security screen to enable or disable the Web, SNMP, and/or telnet interfaces or change the user name and password. User names and passwords are case sensitive and can be up to 20 characters long.
When using telnet, the user can only enable/disable the Web interface. The user cannot enable/disable the telnet interface.
There are two functions in the Port Security page:
•Radius
•802.1x