sshd_config(5), look at "Match".

You may also want to look at command= in sshd(8).

And of course you can always set an impossible password hash to prevent
password logins...


On Tue, Jan 05, 2010 at 11:18:39AM +1100, Ted wrote:
quoted text
> Had a quick google and search or marc, but came up with no answers.
> 
> Is it possible to disable password based logins per user (like with
> the adduser --disabled-password in linux) on OpenBSD, and therefore
> have the user only use SSH Keys? I'm aware of the sshd_config setting
> "PasswordAuthentication no" which makes this occur system wide.
> 
> I just wanted to ensure I'm not missing something else, in setting up
> a single user on a system that doesn't have "PasswordAuthentication
> no" set for system wide SSH logins. Maybe using login classes?
> 
> The reason: I'm trying to setup gitosis
> (http://eagain.net/gitweb/?p=gitosis.git;a=blob;f=README.rst) on an
> OpenBSD server, but the README is linux centric.
> 
> --
> Ted