Network Video Recorder
User Manual
Preface
Issue V4.6 (2021-05-12)
iii
If you have manually opened HTTP and TCP port mappings on your router, we strongly
recommend that you turn this feature off. In actual usage scenarios, we strongly recommend that
you do not turn this feature on.
SNMP
If you do not use the SNMP, we strongly recommend that you turn it off. The SNMP function is
limited to temporary use for testing purposes.
Multicast
Multicast technology is suitable for the technical means of transmitting video data in multiple
video storage devices. There have been no known vulnerabilities involving multicast technology
so far, but if you are not using this feature, we recommend that you turn off multicast playback
on your network.
12. Check logs
If you want to know if your device is secure, you can check the logs to find some unusual access
operations. The device log will tell you which IP address you have tried to log in or what the user
has done.
Physically protect your device
For the safety of your device, we strongly recommend that you physically protect your device
from unauthorized boring operations. We recommend that you place the device in a locked room
and place it in a locked cabinet with a locked box.
It is highly recommended that you use PoE to connect IP cameras to NVR.
IP cameras connected to the NVR using PoE will be isolated from other networks so that they
cannot be accessed directly.
Network isolation between NVR and IP cameras
We recommend isolating your NVR and IP cameras from your computer network. This will
protect unauthorized users on your computer network from having access to these devices.
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