InstructionGo to: Application Firewall >> Reverse Proxy and click at the top of the Virtual Host column on the + sign.Enter the FQDN and IP address:Host name (FQDN): exchange.ext.virtinc.comSelect a network interface.Enable the checkbox HTTP listener.Enable the checkbox HTTPS listener.Enable the checkbox Redirect to HTTPS.Change to the SSL tab.Select the Server certificate according to the FQDN of the virtual host.A virtual host has been pre-configured.