> If connecting to a server seems to sit there for a few seconds not doing anything, try adding this line to your config: > GSSAPIAuthentication no > And if that works, ask the server’s sys-admin to disable it in the server config, for the benefit of all users ‒ exactly the same line as above, but in /etc/ssh/sshd_config.

It would be nice if they described what this actually did - I'm hesitant to run options off, especially ones related to authentication.