Localhost11501

Sometimes, two different programs try to use port 11501 at the same time. This leads to a "Port already in use" error.

Check your terminal, Docker Desktop, or Windows Services to ensure the relevant program is active. Check for Port Conflicts localhost11501

Open Terminal and type lsof -i :11501 . Firewall or Antivirus Blocking Sometimes, two different programs try to use port

is not a "standardized" port assigned by the IANA (Internet Assigned Numbers Authority). This means it is typically used by custom enterprise software, specific developer tools, or niche background services. Common Applications Using Port 11501 Check for Port Conflicts Open Terminal and type

Open Command Prompt and type netstat -ano | findstr :11501 .

If you are trying to access http://localhost:11501 and receiving an error, here are the most likely causes: Is the Service Actually Running?

Because 11501 is a non-standard port, some aggressive firewalls might block internal traffic to it as a security precaution.