At this point, my best practice would possibly be, to start with an empty known host and build a new one from all hosts in my .ssh/config.
You could move your user-known hosts file to the global location, and empty yours. That way new (and changed) get written to your new file, but the old list is used as a backup. Perhaps that would be a feature request - "also look at this file, and silently migrate to the user's file if identical".
How would a 'lasst_seen' column in known_hosts be a nice feature? I'm not sure.
Not sure about that. Age doesn't tell about validity. _______________________________________________ openssh-unix-dev mailing list openssh-unix-dev@xxxxxxxxxxx https://lists.mindrot.org/mailman/listinfo/openssh-unix-dev