IGEL OS 10.06 IGEL OS Articles Miscellaneous Passthrough Authentication Current: Session Configuration PDF Download PDF Download page Session Configuration. Current page Include child pages All pages Session Configuration For single sign-on with sessions, two methods are available:Kerberos Passthrough: Uses real Kerberos authentication with clients that support Kerberos.Passthrough: Uses cached user name and password from local logon for authentication. Currently, real Kerberos authentication is only available in Citrix sessions. In the following sections, you can find how to activate passthrough authentication in sessions that support it: Citrix Legacy ICA Sessions Citrix StoreFront/Web Interface RDP Horizon Client Parallels Client ×