---

sudo systemctl stop squid
sudo tee /etc/squid/squid.conf << 'EOF'
http_port 3144
acl our_network src 192.168.12.0/24
http_access allow our_network
http_access deny all
cache_dir ufs /var/spool/squid 100 16 256
cache_effective_user proxy
EOF
sudo rm -rf /var/spool/squid/*
sudo squid -z
sudo systemctl start squid
sudo systemctl status squid