Fatal SSL error on Tx0 with Debian 10 VM and RDP

Hi,

I’ve setup a Debian 10 VM with xrdp. When I connect via RDP from my Windows computer it’s working. When I try to RDP to the Debian VM from my Wyse Tx0 I get an:
Invalid Argument. FATAL SSL ERROR: error=-7546

RDP with a Windows VM from the Tx0 works great btw. but I need a Linux VM.

I have made a cert on my Debian VM:

openssl req -newkey rsa:4096 -x509 -sha256 -days 3650 -nodes -out debian.crt -keyout debian.key

and copied it to:

ftproot/wyse/wnos/cacerts/debian.crt

And I could import my cert to my Tx0 from the Wyse security menu. But a connection to my Debian VM doent’t work.

This is my wnos.ini:

;*************************************************************
;*                          General 1                        *
;*************************************************************

autoload=1
AdminMode=yes Admin-Username=************ Admin-Password=*********

;*************************************************************
;*                          General 2                        *
;*************************************************************

Locale=German
EnableGKey=yes

;*************************************************************
;*                          General 3                        *
;*************************************************************

Autopower=yes
AddCertificate=debian.crt
SysMode=VDI

;*************************************************************
;*                         Peripherals                        *
;*************************************************************

Language=De Charset=ISO-8859-1 

;*************************************************************
;*                           Display                         *
;*************************************************************

; If you are using a version of WTOS code < 7.0.1_13 please use:
; Resolution=DDC Refresh=60
Screen=1 Resolution=DDC Refresh=60
Screensaver=30 LockTerminal=no Type=0

;*************************************************************
;*                             Time                          *
;*************************************************************

Timeserver=DC1 Timeformat="24-hour format" Dateformat=dd/mm/yyyy
TimeZone='GMT + 01:00' ManualOverride=yes Daylight=yes Start=030507 End=100507 TimeZoneName="W. Europe Standard Time" DayLightName="W. Europe Daylight Time"

;*************************************************************
;*                           Network                         *
;*************************************************************

SignOn=No

;*************************************************************
;*                          Services                         *
;*************************************************************

Service=WDM disable=yes

;*************************************************************
;*                       General Session                     *
;*************************************************************

SessionConfig=ALL MapDisks=yes

;*************************************************************
;*                      General 2 Special                    *
;*************************************************************

Include=$mac.ini

And this is the ini in my INC:

;*************************************************************
;*                          General 2                        *
;*************************************************************

CustomInfo=yes Location=Bibliothek

;*************************************************************
;*                           Network                         *
;*************************************************************

Terminalname=Debian

;*************************************************************
;*                             RDP                           *
;*************************************************************

;-------------------------------------------------------------
;-                        RDP Session 1                      -
;-         Each line but the last must end with a  '\'       -
;-------------------------------------------------------------

CONNECT=RDP \
       Host=10.10.10.25 \
       Description="Debian Terminal" \
       Username=linux-user \
       Password=password \
       AutoConnect=yes \
       Reconnect=1 \
       Domainname=Bibliothek \
       Mapdisks=yes \
       LocalCopy=no

What is wrong in my config? Any help would be appreciated.

Thanks in advance,
Christian