IGEL Linux v5 IGEL Linux v5 How-Tos Passthrough Authentication Current: Horizon Client PDF Download PDF Download page Horizon Client. Current page All pages Horizon Client No Translation available yet You have German selected as language but this page has not been translated yet. Translate the page or view the content in the default space language below. Display default For Horizon sessions, passthrough is supported. Kerberos passthrough is not yet supported.Go to Sessions > Horizon Client > Horizon Client Sessions > [session name] > Connection settings.Enable Use Passthrough authentication for this session. ×