Allied Telesis AT-S63 - Manual (Page 688)

Chapter 41: Secure Shell (SSH) Commands
688 Section IX: Management Security
DISABLE SSH SERVER
Syntax
disable ssh server
Parameters
None.
Description
This command disables the Secure Shell server. When the Secure Shell
server is disabled, connections from Secure Shell clients are not
accepted.
By default, the Secure Shell server is disabled.
Example
The following command disables the Secure Shell server:
disable ssh server