Figure 4-90
Please note DDNS type includes: CN99 DDNS, NO-IP DDNS, Dahua DDNS, Dyndns
DDNS and sysdns DDNS. All the DDNS can be valid at the same time, you can select as
you requirement.
Private DDNS function shall work with special DDNS server and special Professional
Surveillance Software (PSS).
Dahua DDNS and Client-end Introduction
1) Background Introduction
Device IP is not fixed if you use ADSL to login the network. The DDNS function allows you
to access the DVR via the registered domain name. Besides the general DDNS, the
Dahua DDNS works with the device from the manufacturer so that it can add the
extension function.
2) Function Introduction
The Dahua DDNS client has the same function as other DDNS client end. It realizes the
bonding of the domain name and the IP address. Right now, current DDNS server is for
our own devices only. You need to refresh the bonding relationship of the domain and the
IP regularly. There is no user name, password or the ID registration on the server. At the
same time, each device has a default domain name (Generated by MAC address) for your
option. You can also use customized valid domain name (has not registered.).
3) Operation
Before you use Dahua DDNS, you need to enable this service and set proper server
address, port value and domain name.
Server address：www.dahuaddns.com
Port number：80
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