I just followed the directions here… Two-Factor Authentication for OpenVPN | Duo Security
I’m using openVPN on an Untangle firewall. The implementation even survived an upgrade, which is not guaranteed…
My only problem is when openvpn prompts for the the password, I do have to specify a username. The docs state that field is ignored and pulled from the CN in the certificate, however the ok button stays greyed out until I type in my username… any i...