[CentOS] rdesktop to xrdp session closed after login

Thu Sep 3 18:40:57 UTC 2020
Ralf Prengel <ralf.prengel at rprengel.de>

since one of my last updates rdesktop from windows 7 oder 10 to xrdp on centos 7 doesn t work any longer.
The xfce4 screens appears for a second and than the session is closed again.
I don‘t find any hints in the logs.
Thanks for some hints.