Port 11501 is frequently used by . If you log into secure portals like Khajane II , the website needs to talk to your hardware biometric device. The web browser sends a request to http://localhost:11501 to activate your local scanner. How to Fix the "Localhost Refused to Connect" Error

nucypher ursula run --dev --teacher localhost:11501

To properly diagnose, use, or fix a localhost11501 link , it helps to break down what each component of this specific web identifier means.

You can check what is using port 11501 on your system: