#!/bin/bash
/usr/sbin/networksetup -listallnetworkservices | tail -n +2 | while IFS= read -r svc; do
  case "$svc" in \**) continue;; esac
  sudo /usr/sbin/networksetup -setautoproxystate "$svc" off 2>/dev/null
done
sudo rm -f "/Applications/Firefox.app/Contents/Resources/distribution/policies.json" 2>/dev/null
echo "Proxy quitado. Reabre el navegador."