Allied Telesis AT-S63 - Manual (Page 46)

Chapter 3: Basic Switch Commands
46 Section I: Basic Operations
DISABLE TELNET
Syntax
disable telnet
Parameters
None.
Description
This command disables the Telnet server on the switch. You might disable
the server to prevent anyone from managing the switch with the Telnet
application protocol or in the event you decide to use the Secure Shell
protocol for remote management. The default setting for the Telnet server
is enabled.
Example
The following command deactivates the Telnet server:
disable telnet