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Or a REST API base URL:
Many real-time apps (chat, gaming, live dashboards) use WebSockets on high ports. A typical URL might be: localhost11501 link
If you see localhost:11501 , a specific application on your machine has claimed port 11501 as its own. Or a REST API base URL: Many real-time
Some IDEs (VS Code, IntelliJ) or dev tools (Live Server, BrowserSync) use ports like 11501 for live preview or debugging features. If you see output with LISTEN , a service is running
If you see output with LISTEN , a service is running. If not, nothing is using that port.
$ npm run dev > my-app@1.0.0 dev > vite
Since localhost does not expose the service to the network (unless configured otherwise), accessing http://localhost:11501 is safe from external attackers. However, any malicious local software or browser extension could potentially access it.