The way I see it, mosh has an advantage over et: while mosh is started on connection as the remote and unprivileged user, et relies on etserver running as root

The way I see it, mosh has an advantage over et: while mosh is started on connection as the remote and unprivileged user, et relies on etserver running as root on the remote box (after connection is established, etterminal runs as the unprivileged user, though), so any vulnerabilities in etserver may have serious consequences.