Fix TLS1.3

Gerd Stolpmann
2021-03-23T18:09:31Z

MR !14 disables TLS1.3 as a quickfix. Need to understand what is going on, and how to enable it again.

MR !14 (merged) disables TLS1.3 as a quickfix. Need to understand what is going on, and how to enable it again.