On Tue, 13 Sep 2011 15:23:09 +0100, Invisible wrote:

>>> So you're seriously telling me that with a default Linux install, not
>>> only is an ssh server installed, but it's actually configured to allow
>>> incoming connections and service them? And that X will actually work
>>> in this configuration?
>>
>>    I don't remember if sshd is enabled by default on OpenSuse, but it's
>> as easy to enable as doing a couple of mouse clicks (and typing the
>> root password, so that yast can perform the system modifications). IIRC
>> it even offers you to automatically open the ssh port on the firewall.
> 
> Damn. Setting up SSH has got a whole lot easier than when I tried to do
> it with Debian a few years ago.
> 
> I'm presuming it defaults to password authentication though? As I
> recall, half the trouble was figuring out how to permanently and
> irrevocably disable password authentication and *only* allow public key
> authentication. (For one thing, you have to work out how to create a
> keypair...)

Yes, it defaults to password authentication.

To disable password authentication, modify /etc/ssh/sshd_config to 
include:

PasswordAuthentication no

Done.

Jim

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