Hi folks, nice of you, to try to help. However, this isssue is already solved and should be marked as solved.
I updated libqt5network5 to the version in unstable and everything is workinmg again as it should. So this isssue is solved. Looks like a bug in testing, fixed in unstable. Againb, thank you very much for for all the help - ALL OF YOU! Best regards Hans
