Localhost11501 Link |work| -

Local firewalls (Windows Defender, ufw , iptables ) usually allow localhost traffic, but custom rules might block it. Temporarily disable the firewall to test.

If you want to serve something on localhost:11501 : localhost11501 link

Generally, yes. Traffic to localhost never leaves your machine, so it cannot be intercepted over the network. However: Local firewalls (Windows Defender, ufw , iptables )

http://localhost:11501/api/v1

: It is sometimes used by background utilities that require a secure, local-only communication channel between different software components on the same machine. How to Use the Link Ensure the Service is Running Local firewalls (Windows Defender