In networking, a is a virtual point where network connections start and end. Ports are software-based and managed by the operating system.
Since "localhost:11501" is not a standard, widely recognized port for a specific public protocol (like port 80 for HTTP or 22 for SSH), it is most likely a , a development server , or a specific local management interface (sometimes used by specific gaming servers, IoT devices, or development tools like local databases). localhost11501 link
Set environment variable:
On macOS/Linux: