[Unit] Description=Uncomplicated Firewall DefaultDependencies=no Before=network.target sysinit.target After=systemd-sysctl.service ConditionPathExists=|/etc/ufw/ufw.conf [Service] Type=oneshot RemainAfterExit=yes ExecStart=/usr/share/ufw/ufw-init start ExecStop=/usr/share/ufw/ufw-init stop [Install] WantedBy=multi-user.target