How To Add Two-Factor Authentication To Openvpn AS With The WiKID Strong Authentication Server

It’s been a while since our last tutorial on how to add two-factor authentication to OpenVPN using the WiKID Strong Authentication System.
The people at OpenVPN have been very active lately and it seems like a
good time to take a look at what they’ve done. It’s still dead simple
to configure, but it is mostly done via the new slick web interface.