The variants of the message that you could see are: The remote computer requires Network Level Authentication, which your computer does not support. For assistance, contact your system administrator ...

proxytunnel might help. Of course, you need your own proxy server outside the firewall to connect to. I have squid running on my home machine, use proxytunnel to connect to that, and ssh forward port ...

A password alone will not protect sensitive information from hackers–two-factor authentication is also necessary. Here’s what security pros and users need to know about two-factor authentication. It’s ...