Hello,

1.
Is it possible to disable ssh root password authentication in a working oVirt 
cluster without any problems? (host and ovirt-engine)

/etc/ssh/sshd_config
PasswordAuthentication no

The SSH public authentication key is set on the host.

2.

I tried setting ssh rate limit using firewall-cmd but it doesn't work for some 
reason. I can log in more than once.

firewall-cmd --permanent --add-rich-rule='rule family="ipv4" priority="-1" 
service name=ssh limit value=3/m accept'
There is best practice for this?

Thanks
Peter
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