Neither of those URLs worked.
I stopped and started the Indigo server while the browser was trying to connect. It never did.
As I said... that port is not listening. Ever.
Here is the log:
Jul 26, 2023 at 11:03:26 AM
Error reflector connection test failed: local server unreachable
Warning reflector reconnection scheduled in 5 seconds
Error failed to create reflector connection: local server unreachable
Error check your Firewall and Network configurations and try restarting the server
Warning reflector reconnection scheduled in 15 minutes