Troubleshoot curl Connection to localhost

Troubleshoot curl Connection to localhost: a task in Terminal-Lego-15k (Harbor dataset). You are experiencing an issue where curl fails to connect to localhost on port 80, but successfully connects when using the IP address 127.0.0.1 directly. Your task is to diagnose and fix this networking issue…

The task

You are experiencing an issue where `curl` fails to connect to `localhost` on port 80, but successfully connects when using the IP address `127.0.0.1` directly. Your task is to diagnose and fix this networking issue so that `curl localhost` works correctly.

Part of PrimeIntellect/Terminal-Lego-15k.