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Please note supported DNNS services includes: CN99 DDNS, NO-IP DDNS, Quick DDNS, Dyndns
DDNS, and sysdns DDNS. All the DDNS can be valid at the same time and you can select whichever is
required.
Private DDNS functions should work with special DDNS servers and special Professional Surveillance
Software (PSS).
Quick DDNS and Client-end Introduction
1) Background Introduction
External IP addresses are not fixed if you use ADSL to login the internet. The DDNS function allows you
to access the DVR via the registered domain name. Besides the general DDNS, the Quick DDNS works
with the device from the manufacturer so that it can add the extended function.
2) Function Introduction
The quick DDNS client has the same function as the other DDNS client. It uses the binding of the
domain name and the IP address. Right now, the current DDNS server is for our own devices only. You
need to refresh the binding relationship of the domain and the IP regularly. There is no user name,
password or ID registration on the server. At the same time, each device has a default domain name
(Generated by MAC address) as an option. You can also use a customized valid domain name (has not
registered.).
3) Operation
Before you use Quick DDNS, you need to enable this service and set proper server address, port value
and domain name.
Server address：www.quickddns.com
Port number：80
Domain name：There are two modes: Default domain name and customized domain name.
In addition to default domain name registration, you can also use a customized domain name (You can
input your self-defined domain name.) After successful registration, you can use the domain name to
login to the device.
User name: It is optional. You can input your commonly used email address.
Important
Do not register frequently. The interval between two registrations shall be more than 60 seconds.
Too many registration requests may result in server attack.
System may take back the domain name that is idle for one year. You can get a notification email
before the cancel operation if your email address setup is OK.
4.10.2.5 IP Filter
IP filter interface is shown as in Figure 4-59. You can add an IP to the following list. The list supports a
max of 64 IP addresses. The system supports valid IPv4 and IPv6 addresses. Please note system
needs to check the validity of all IPv6 addresses and implement optimization.
After you enabled trusted sites function, only the IP addresses listed below can access current DVR.
If you enable blocked sites function, the following listed IP addresses can not access current DVR.
Enable: Check this box and you can select the trusted site function and blocked sites function. You
cannot access these two modes if the Enable button not checked.
Type: You can select trusted site and blacklist from the dropdown list. You can view the IP address
on the following column.
Figure 4-44
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