## - Create a systemd service ## - # IPv4 # cat <> /etc/systemd/system/ipt-firewall.service [Unit] Description=IPv4 Firewall with iptables After=network.target [Service] Type=oneshot RemainAfterExit=yes ExecStart=/usr/local/sbin/ipt-firewall-server start ExecStop=/usr/local/sbin/ipt-firewall-server stop User=root [Install] WantedBy=multi-user.target EOF # IPv6 # cat <> /etc/systemd/system/ip6t-firewall.service [Unit] Description=IPv6 Firewall with ip6tables After=network.target [Service] Type=oneshot RemainAfterExit=yes ExecStart=/usr/local/sbin/ip6t-firewall-server start ExecStop=/usr/local/sbin/ip6t-firewall-server stop User=root [Install] WantedBy=multi-user.target EOF ## - Eanable script (for autostart at boot time) ## - systemctl enable ipt-firewall.service systemctl enable ip6t-firewall.service ## - Reload systemd configuration ## - systemctl daemon-reload ## - Start Services ## - systemctl start ipt-firewall systemctl start ip6t-firewall ## - Add to /etc/rc.local ## - ## - sleep 2 ## - systemctl restart ipt-firewall || /bin/true ## - systemctl restart ip6t-firewall || /bin/true