[Unit] Description=Packet Filtering Framework DefaultDependencies=no After=systemd-sysctl.service Before=sysinit.target [Service] Type=oneshot ExecStart=/sbin/iptables-restore /etc/iptables/iptables.rules ExecReload=/sbin/iptables-restore /etc/iptables/iptables.rules ExecStop=/etc/iptables/flush-iptables.sh RemainAfterExit=yes [Install] WantedBy=multi-user.target