# myNode firewall service # /etc/systemd/system/firewall.service [Unit] Description=myNode Firewall After=network.target [Service] Type=simple KillMode=control-group ExecStart=/usr/bin/mynode_firewall.sh User=root Group=root StandardOutput=syslog StandardError=syslog SyslogIdentifier=mynode Restart=always RestartSec=30 [Install] WantedBy=multi-user.target