[Unit] Description=CAcert custom firewall script Wants=network.target After=firewall.service Before=network-online.target network.target [Service] Type=oneshot RemainAfterExit=yes EnvironmentFile=-/etc/sysconfig/network/config ExecStart=/etc/firewall/firewall ExecReload=/etc/firewall/firewall [Install] WantedBy=multi-user.target network-online.target Alias=fw.service