QNAP Security NVR-101 (Version: 2.8.0) - Manual (Page 97)

Environment 2: NVR and IP camera are installed behind the router, while
the monitoring PC is located remotely
IP Address Mapped port in router
NVR 192.168.1.1 8000
Camera 1 192.168.1.101 8001
Camera 2 192.168.1.102 8002
Camera 3 192.168.1.103 8003
Router public IP 219.87.144.205
PC 10.8.10.100
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