Local security suites or system firewalls can occasionally intercept traffic traveling through unusual high-numbered ports. Temporarily create an inbound network rule within your operating system firewall to explicitly permit traffic over . Exposing Localhost:11501 to the Internet
ngrok http 11501
You might be testing a service or application that's set up to run on port 11501. This could be a web application, an API, or any other kind of network service. localhost-11501
On a shared computer (e.g., a development VM, a university lab machine, or a CI runner), other users may be able to connect to localhost:11501 if the service is bound to 0.0.0.0 or if they have network access to the loopback interface (unusual but possible via kernel mechanisms). Use unique ports and, if needed, local firewall rules to restrict access to your own user session.
Ensure your service is bound to 127.0.0.1 (local only) rather than 0.0.0.0 (publicly accessible), unless you specifically intend for others on your network to see your work. Conclusion Local security suites or system firewalls can occasionally
app.listen(port, () => console.log( Server is listening on http://localhost:$port ) )
Security configurations often block high-numbered custom ports by default. This could be a web application, an API,
If these commands return a blank line, your local program is shut down and needs to be restarted. 2. Terminate a Corrupted or Frozen Process