List of Figures

1.1. SCADA Solution within Private APN

1.2. Private APN configuration

1.3. Private APN connection is established

1.4. Master Protocol server configuration

1.5. Port Settings

1.6. Modbus Master configuration

1.7. Modbus Slave configuration

1.8. Debug level of rrsp2 daemon

1.9. Tcpdump via Web interface

2.1. Public APN SCADA configuration

2.2. Public APN configuration (static, public IP address)

2.3. Fixed OpenVPN tunnel address for clients

2.4. Master Protocol server configuration (public APN)