Had a strange thing happen this morning. Despite getting to the webconfig login screen, I could not login.
As I solved the issue I thought I'd add what I did in case someone else has the same issue.
After ssh login I saw that the date and time was in 2017 not 2023 as expected.
Changing the time with `date -s 'yyyy-mm-dd hh:mm:ss'` to today's date & time, allowed the webconfig to work properly again.
For some reason the NTP server sync has failed and was off. I re-enabled the NTP server and all is OK.
I hope this is helpful.