1. WebADM/OpenOTP/Radius Bridge For this recipe, you will need to have WebADM/OpenOTP installed and configured. Please, refer to WebADM Installation Guide and WebADM Manual to do it. You have also to install our Radius Bridge product on your WebADM server(s). Another documentation on that setup is provided by Cisco at this link 2. Register your ASA SSL VPN in Radius Bridge On your OpenOTP RadiusBridge server, edit the /opt/radiusd/conf/clients.conf and add a RADIUS client (with IP address and RADIUS secret) for your ASA SSL VPN server.