Re: sshd on F31 : strange problem with login with keys's

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On Tue, 2019-11-26 at 13:27 +0100, Jouk Jansen wrote:
> Hi All,
> 
> I'm trying to setup an ssh-server on F31 which logs a user in without
> a
> password, but with a key-exchange. I generated all the keys and
> placed them
> in the right locations. It still asks for the password.
> 
> Than comes the strange : I stoped the service by "systemctl stop
> sshd" and
> did run "as root" /usr/sbin/sshd. And than it just worked. (tried to
> stop
> and start with systemctl again made the passwordless login fail
> again)
> 
> Question : why does is work with just running "/usr/sbin/sshd" but
> not with
> "systemctl start sshd" ?

This sounds like an issue with selinux permissions on the authorizied
keys file or path to it. Configure sshd to run in debug mode by setting
LogLevel DEBUG3 in sshd_config, restart the service and retry. The logs
will show up in journal and in /var/log/secure pointing the reason why
your key was rejected.


Regards,
-- 
Jakub Jelen
Senior Software Engineer
Security Technologies
Red Hat, Inc.
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