To help you with localhost:11501 , it is important to first identify what service or application is attempting to use that specific port. "Localhost" refers to your own computer's internal network [12], and the number after the colon (11501) is the specific "gate" or port assigned to a program. Common Uses for Port 11501
Now, let's dissect localhost:11501 . Here, localhost refers to the local machine, while 11501 is a specific port number. When combined, localhost:11501 represents a unique address that allows a device to communicate with a service or process running on the local machine, listening on port 11501 . localhost-11501
For developers:
Save the following as server.js :