The OpenVPN Access Server (OpenVPN-AS) uses the username field to create and push configuration files. This means it cannot tolerate an AuthLite OTP in the username field by default. To work around this problem you can either: Use RADIUS PAP and enter credentials as follows:

Secure remote workers against phishing and other cyber The YubiKey ensures secure VPN access by acting as a strong second-factor authenticator. Pulse Secure and Cisco AnyConnect, can be configured to work with a YubiKey … Yubico | YubiKey strong two factor authentication Jul 23, 2020 Using Your YubiKey with OpenPGP : Yubico Support Note: If you haven't set a User PIN or an Admin PIN for OpenPGP, the default values are 123456 and 12345678, respectively. If the User PIN and/or Admin PIN have been changed and are not known, the OpenPGP Applet can be reset by following this article.. These instructions will show you how to set up your YubiKey with OpenPGP.

YubiKey and OpenVPN via PAM - Yubico Developers

May 15, 2020

UniFi - USG/UDM VPN: How to Configure Site-to-Site VPN

Securce OpenVPN setup with X.509, LDAP and 2FA YubiKey