Add Two-Factor Authentication service with TOTP support

Using the pam_google_authenticator pkg module, it would be possible to add 2-factor login authentication to not only SSH but possibly the GUI login. I'd like to request that the pam_google_authenticator pkg be included with FreeNAS.

You can view the article by Mayank Sharma (published in Maximum PC magazine) here:
http://www.techradar.com/how-to/how-to-add-two-factor-authentication-to-linux-with-google-authenticator

There is a fly-out instruction for enabling the Google Authenticator for SSH as well.