Azure VPN Gateway OpenVPN P2S with RADIUS

The Azure VPN Gateway supports a variety of connection methods for Point to Site VPN’s, one of the more interesting options that came out not too long ago is support for OpenVPN which is compelling as it ticks off a lot of boxes in terms of support such as: Tunnels over HTTPS so traverses firewalls easily Multi platform support - Windows, Mac OSX, iOS, Android, Linux RADIUS Authentication Can be used without Admin rights when setup correctly on Windows The RADIUS authentication option is really interesting if you use Network Policy Server (NPS) included with Windows Server as you can hook in the Azure MFA Module to provide Multi factor Authentication. Unfortunately the Azure documentation does not outline the required NPS settings to support OpenVPN with RADIUS so after a support ticket, here is the required NPS configuration required to get this working: ...

March 14, 2020 · 2 min · Monkey