[Unit] Description=IPv4 firewall with iptables Before=network-pre.target Wants=network-pre.target After=syslog.target AssertPathExists=/etc/sysconfig/iptables [Service] Type=oneshot RemainAfterExit=yes ExecStart=/usr/libexec/iptables/iptables.init start ExecReload=/usr/libexec/iptables/iptables.init reload ExecStop=/usr/libexec/iptables/iptables.init stop Environment=BOOTUP=serial Environment=CONSOLETYPE=serial StandardOutput=syslog StandardError=syslog [Install] WantedBy=basic.target