I know this is possibly a bit off-topic, but I had this same error message and the problem turned out to be my server. OpenSSH was set up correctly, but /dev/null had the wrong permissions (700 instead of 666) which was stopping SFTP from functioning.
Just thought I'd leave this here in case anyone else is Googling a similar problem. :) -- "Error: ssh program unexpectedly exited" when trying to browse files on router https://bugs.launchpad.net/bugs/424648 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to openssh in ubuntu. -- Ubuntu-server-bugs mailing list [email protected] Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
