Https Localhost11501 2021 Guide

This specifies the protocol — Hypertext Transfer Protocol Secure. Unlike HTTP, HTTPS encrypts traffic between your browser and the server. On localhost (your own computer), HTTPS is often set up with self-signed certificates for testing web applications that require secure contexts (e.g., accessing geolocation, service workers, or HTTP/2).

A: Not inherently. It’s just a number. However, if you didn’t start a server on that port, it could be malware or a forgotten dev tool. Always check with netstat or lsof. https localhost11501 2021