Application Note 47: Configuring a Windows OpenVPN server and a Digi TransPort router as an OpenVPN client, this document describes how to configure a Windows OpenVPN server and a WR44 router as an OpenVPN client. OpenVPN can be used for securely connecting the WR44 to a central office network for access to services on the LAN side of the OpenVPN server, such as corporate messaging services, file servers and print servers for example.