If you access my server via HTTP using the SSH port (22), you'll see a message like this:
Could be possible to display a different message?
The Debian/Ubuntu version identification is a Debian-ism which isn't present in standard OpenSSH.
You can disable it by setting
The end result will be:
You cannot disable this as it's required to negotiate the SSH protocol connection.
There is a Banner option in */etc/ssh/sshd_config*: