Allied Telesis AT-S63 - Manual (Page 74)

Chapter 5: Basic Stack Commands
74 Section I: Basic Operations
DISABLE TELNET
Syntax
disable telnet
Parameters
None.
Description
This command disables the Telnet server on the master switch. You might
disable the server to prevent anyone from managing the stack 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