[pve-devel] Two-Factor Authentication

[Dietmar Maurer]

Interesting, but what happens if yubiko network is down? 

> Proxmox should implement two-factor authentication so it can offer protections
> from stolen credentials.
> 
> Personally I would like to see support for Yubikeys since I already use them.
> 
> The libauth-yubikey-webclient-perl package provides a rather simple way to
> validate the One time Passwords generated by yubikeys.