How do I restrict rsync-over-ssh connections from BitFolk so they can only do rsync?
If BitFolk is rsyncing your files for backup or DNS purposes then you may wish to restrict these connections so that they may only use rsync, rather than allow them to have a complete interactive login. Please do not try to set this up until after the service in question is known to be working properly, as this makes debugging SSH key logins much more difficult. For an overview on the subject please read Using Rsync and SSH, particularly the section on restricting to rsync.