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Dynamic DNS (Domain Name Server)
This free service is very useful when combined with the Virtual Server feature. It allows
Internet users to connect to your Virtual Servers using a URL, rather than an IP Address.
This also solves the problem of having a dynamic IP address. With a dynamic IP address, your
IP address may change whenever you connect, which makes it difficult to connect to you.
The Service works as follows:
1. You must register for the service at one of the listed DDNS Service providers.
2. After registration, follow the Service Provider's procedure to request a Domain Name, and
have it allocated to you.
3. Enter your DDNS data on the TW100-BRV204 's DDNS screen (shown below).
4. The TW100-BRV204 will then automatically ensure that your current IP Address is
recorded and updated at the DDNS server.
If the DDNS Service provides software to perform this "IP address update"; you should
disable the "Update" function, or not use the software at all.
5. From the Internet, users will be able to connect to your Virtual Servers (or DMZ PC)
using your Domain name, as shown on this screen.
Dynamic DNS Screen
Select Internet on the main menu, then Dynamic DNS, to see a screen like the following:
Figure 30: DDNS Screen
Data - Dynamic DNS Screen
DDNS Service
DDNS Service
• You must register for the service at one of the listed Service
Providers. You can reach the Service provider's Web Site by se-
lecting them in the list and clicking the "Web Site" button.
• Apply for a Domain Name, and ensure it is allocated to you.
• Details of your DDNS account (Name, password, Domain name)
must then be entered and saved on this screen.
• This device will then automatically ensure that your current IP
Address is recorded by the DDNS Service Provider. (You do