Done all that over and over, with passwords, without passwords etc.
It's normally root & dreambox.
It might be helpful to know what details you have put in yours and which boxes you ticked.
That is the IP of the VU+, 8002 is the port but can't find anything that tells me the Web Interface Port
I can confirm that my 80 year old mother is doing fine with her ZGemma H7 running OpenVIX. Had no more than 2 calls with problems, since I sent it to her, replacing SkyHD a month ago. Does depend on the individual though.