Http and https and Nabu Casa

Im using Nabu Casa to access Home Assistant and have added the Nabu Casa address ( https://dtcbc638s.ui.nabu.casa/ ) to my Configuration > General > External URL.

Ive added http://192.168.1.63:8123 to my Configuration > General > Internal URL but can not seem to access my Home Assistant from the LAN using the http internal address.

Am I missing something here?

UPDATE: I have just found an old entry in my configuration file

http:
  ssl_certificate: /ssl/fullchain.pem
  ssl_key: /ssl/privkey.pem

which I have just disabled and I can now access home assistant on the LAN with http or https and on the WAN with Nabu Casa.

So it all seems to work correctly - time will tell.