- check roughly for hostname being a valid address
- allow missing 'tcp' scheme even with missing port number
Change-Id: Ia3ce4cb7b8d2a4b339421eafe21f06fba6d938e6
Reviewed-on: https://forge.frm2.tum.de/review/c/secop/frappy/+/30582
Tested-by: Jenkins Automated Tests <pedersen+jenkins@frm2.tum.de>
Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch>