> > What about "PasswordAuthentication no"?
>
> Can that be set for a single user?  I have a normal user who needs to
> log in via SSH with a password and a backup user who only needs to run
> rsync via SSH keys.  If not, does the exclamation point in /etc/shadow
> prevent the user from logging in without the SSH key?
>
> - Grant
>
>

# tail -n 5 /etc/ssh/sshd_config
# Example of overriding settings on a per-user basis
#Match User anoncvs
#       X11Forwarding no
#       AllowTcpForwarding no
#       ForceCommand cvs server

Also google scponly

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