Configura Squid
sudo vim /etc/squid/squid.conf
Definir l’acl per a la llista blanca d’IPs
acl whitelist src 192.168.X.X
acl whitelist src 192.168.X.X
acl whitelist src 192.168.X.X
Reiniciar Squid
sudo systemctl restart squid
Verificar el funcionament
sudo tail -f /var/log/squid/access.log