or
server.listen(11501, '127.0.0.1', () => console.log('Server running at http://localhost:11501/'); ); localhost-11501
Depending on where you are posting (e.g., LinkedIn, a dev forum, or a team Slack), here are three options: or server
A developer might be running a service, such as a web server or a development tool, on their local machine. The service might not be accessible through the standard ports (like 80 for http or 443 for https) because it's either not meant for production use or it's being tested alongside other services. Antivirus suites or network monitoring agents sometimes use
Development Frameworks: Specific web development stacks or internal tools within large tech companies sometimes hard-code high-numbered ports to avoid conflicts with common ports like 3000 or 8080.
Antivirus suites or network monitoring agents sometimes use high ports to provide a local dashboard for the user. Troubleshooting: "Unable to Connect"