systemd/firewall6.service

   1 [Unit]
   2 Description=Firewall for IPv6
   3 Before=network.service
   4
   5 [Service]
   6 Type=oneshot
   7 RemainAfterExit=yes
   8 ExecStart=/usr/sbin/firewall6 start
   9 ExecStop=/usr/sbin/firewall6 stop
  10
  11 [Install]
  12 WantedBy=multi-user.target