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DNS (Secondary): The secondary address of Domain Name Server
NOTE
Unless DNS is properly set, the DDNS and the e-mail features will not work.
4-6-2. DDNS
DDNS (Dynamic Domain Name System) allows a DNS name to be constantly synchronized with a dynamic
IP address. It allows using a dynamic IP address to be associated with a static domain name.
Once the setting is completed, the DDNS address will be:
http://hostname.ddns.specoddns.net
For example, if you enter the host name as “D8VX”, then the address will be:
http://d8VX.ddns.specoddns.net
Select Network > DDNS. The menu displays as below.
Figure 4.6.2. Network Setup Screen – DDNS
Table 4.6.2. DDNS
Item Description
Enable DDNS
Enable/disable the Dynamic Domain Name Service.
Host Name
This item allows the user to setup a domain name manually,
using virtual keyboard displays as shown.
Subnet/Update
When manual host name input is done, move the cursor to this
item and select ON to submit the settings.
ezDDNS
Enable/disable ezDDNS to register the host name automatically.
4-6-3. Network Port and Web Port
Connecting DVR/DVRs through an IP sharing device, each DVR must be assigned a unique TCP port
number for access from outside the LAN. This port number is displayed on Network > Network Port Setup
Menu.
NOTE
If you access the DVR only within the same LAN, the TCP port number does not need to
be changed.
Network access beyond a router
To access DVR beyond a router (firewall), you must open the proper TCP ports for live/playback streaming,
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