when I go on https - website is working correctly on port 443

I need to redirect port http 8080 to https 443.

I tried these options, but it did not help:

https://helpdesk.manageengine.com/sd/AddSolution.sd?mode=viewSol&solID=174001

https://support.servicedeskplus.com/portal/kb/articles/redirection-from-http-to-https

I'm using version 9.2 Build 9227. 

How to troubleshoot it? Can anyone help?

Thanks.