Firewall
54
4 Firewall
If the NVR is located inside the firewall, while the NVR Station and video source devices (such as
encoder adapter) are outside the firewall, enable the following firewall ports:
♦
TCP: 5510, 1730, 21, 15510
♦
UDP: 5510, 12000-12095, 11992, 11988
，
11520, 51000-51203
Notice:
NVR Station access NVR which in a firewall by 1730, and if modified in NVR network parameters, open the port in
the firewall.
NVR receive Station detection packets NAT MAP by 11988, and if modified in NVR NAT parameters, open the port
in the firewall.
Packets resend by port 51000-51203, if the network is stable, the port is not compulsory.
If the NVR Station is located inside the firewall, and other devices are outside the firewall, enable the
following firewall ports:
♦
UDP: 20000-20287
