Localhost11501

: In modern development, a single app might be split into many small services. Port 11501 might be assigned to a specific backend API or an authentication module. Local Development Proxies : Tools like Cloudflare Tunnels

socket.listen(11501, "127.0.0.1")

Because it is unassigned, seeing traffic on port 11501 should not be a cause for immediate concern, but it is always wise to be aware of which applications on your system are using it. localhost11501