With the latest release of Open SuSE, version 10.1 at the time of writing, the ssh daemon (sshd) is turned on by default. Some sources on the web suggested that it doesn’t do any harms to have it on since it won’t be able to access from outside your LAN if the firewall is turned on. However, I think if you don’t need to use it, there is no point to leave it on.

Here is how you can disable the sshd:

Go to Yast2 -> System -> System Services (Runlevel) and just disable the sshd.