- Add your external domain name to your internal network (on your local dns server (== router?)) f.e. domain.mine
- Bind your HA’s name to IP (f.e. home)
Then use https://home.domain.mine as external URL and https://home.domain.mine:8123 as internal URL
Then use https://home.domain.mine as external URL and https://home.domain.mine:8123 as internal URL