Introduction If you have ever glanced at your terminal, debug console, or browser address bar and noticed the obscure address localhost11501 , you might have done a double-take. Unlike the ubiquitous localhost:3000 (React) or localhost:5000 (Flask), port 11501 is not a standard default for major frameworks. So what is it?
socat TCP-LISTEN:11501,fork TCP:localhost:11502 Case study: A developer runs a microservices architecture locally. Service A (port 3000) calls Service B via http://localhost:11501/api/data . Suddenly, requests fail. localhost11501
tasklist | findstr <PID> sudo lsof -i :11501 or Introduction If you have ever glanced at your