Https Localhost 11501 Url -

Prevent local "man-in-the-middle" interference from other malicious processes on the same machine. Conclusion

: Your Windows Firewall or third-party antivirus might be blocking traffic on port 11501. https localhost 11501 url

Angular CLI uses a built-in dev server. Enable HTTPS: https localhost 11501 url

Running complex server environments right on a laptop. https localhost 11501 url

Many dev servers now enable HTTPS by default or via a flag: