Localhost 11501 New Jun 2026

I cannot directly access your local machine or specific network reports. The address localhost:11501 refers to a service running on (or the machine you are currently using).

The Strange Case of Localhost:11501 — What’s Running on My Machine?

Custom Node.js, Python, or Go microservices configured to spin up outside standard ranges (like 8000 or 8080). localhost 11501 new

node 11501 0.0 0.1 TCP localhost:11501 (LISTEN)

ps aux | grep <PID>

A Next.js 15 app. But instead of 3000 , it runs on 11501 . She aliased it in package.json : "dev": "next dev -p 11501" . No reason except that her .config/postgres already uses 5432 and her Redis uses 6379 . She wanted a port that would never appear in a tutorial—forcing her to actually read her own URLs.

Setting up a new development environment often requires assigning unique network ports to prevent software conflicts. If you are configuring for a new application, microservice, or developer tool, understanding how to manage this specific port is essential. I cannot directly access your local machine or

If you are trying to access http://localhost:11501 and encountering issues: