[Unit] Description=IPv6 Packet Filtering Framework Before=network-pre.target Wants=network-pre.target After=iptables.service [Service] Type=oneshot ExecStart=/usr/bin/ip6tables-restore /etc/iptables/ip6tables.rules ExecReload=/usr/bin/ip6tables-restore /etc/iptables/ip6tables.rules ExecStop=/usr/lib/systemd/scripts/iptables-flush 6 RemainAfterExit=yes [Install] WantedBy=multi-user.target