[Unit] Description=IPTABLES Packet Filtering ConditionPathExists=/usr/lib/coreelec/iptables_helper ConditionPathExists=|/storage/.cache/services/iptables.conf Before=network.target Wants=network.target [Service] Type=oneshot EnvironmentFile=-/storage/.cache/services/iptables.conf ExecStart=/usr/lib/coreelec/iptables_helper enable ExecReload=/usr/lib/coreelec/iptables_helper enable ExecStop=/usr/lib/coreelec/iptables_helper disable RemainAfterExit=yes [Install] WantedBy=multi-user.target