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DDNS
Enable/disable using domain name address through DDNS server.
“ON” mode, DDNS server name appears for domain registration.
DDNS SERVER NAME: The DDNS sever name is bestddns.com.
CAUTION:
Do not change this sever name. If this is changed, the DDNS service
cannot be available.
DDNS INTERVAL: Set the connection interval (5-60minutes)
2-8-1. Ports
When you connect one or more DVRs to a network through an IP sharing device, each device must have a
unique TCP port number for access to each unit from outside the LAN. Also, the IP sharing device must be
configured for port forwarding so when each port is accessed on the IP sharing device, it will forward to the
appropriate DVR.
Note: This port number is listed next to the Port menu option in the Network Setup screen. If you plan to
access the DVR units only from within the same LAN, the TCP port does not have to be changed.
Figure 2.8.1. Network setup screen – PORT
Web viewer and Mobile-phone web viewer Network access beyond Router
In order to access beyond Router (Firewall), user must open 1 TCP port that is set on NETWORK > WEB PORT.
If this port is not open properly, user can not access DVR using direct Web viewer or Mobile-phone web viewer.
(Example: When NETWORK > WEB PORT is set as 80, 80 TCP port of IP address of DVR must be open.)
Network access beyond a router
In order to access the DVR remotely beyond a router (firewall), the user must open TCP port for command level,
live channels and storage channels. User need to open 2ports numbers.
If the DVR port number is set to 5445, open the TCP port 5445 and 5446 on the router.
If this port is not opened properly, user can not access DVR beyond a router.