Localhost-11501 |top| -

: Developers dividing an application into multiple services will assign distinct ports (like 11501, 11502) to keep each service isolated on the local machine.

If the connection works with the firewall off, create an in your firewall settings allowing TCP traffic specifically for port 11501. Best Practices for Local Development localhost-11501

The background service or development script assigned to host port 11501 failed to launch or crashed unexpectedly. : Developers dividing an application into multiple services

Antivirus suites or network monitoring agents sometimes use high ports to provide a local dashboard for the user. Troubleshooting: "Unable to Connect" localhost-11501