Dealing with 'old' connection issues with the Web address interface

Posting on behalf of jonatankersley, they ask:

Has anyone worked through dealing with 'old' connection issues with the Web address interface, specifically when dealing with iLO, iLOM, iDRAC, IBM/Lenovo BMC, etc.?

'Your connection isn't private' - need to select Advanced
This server couldn't prove.... - need to select 'Continue to IP.ADD.RE.SS (unsafe).
Finally the web page shows with one format or another depending on the version of the underlying iLO/iLOM/IDRAC/...