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Vigor2710 Series User’s Guide
49
Enable
Check to enable the DMZ Host function.
Private IP
Enter the private IP address of the DMZ host, or click Choose PC
to select one.
Choose PC
Click this button and then a window will automatically pop up, as
depicted below. The window consists of a list of private IP
addresses of all hosts in your LAN network. Select one private IP
address in the list to be the DMZ host.
When you have selected one private IP from the above dialog,
the IP address will be shown on the following screen. Click
OK
to save the setting.
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3.3.3 Open Ports
Open Ports
allows you to open a range of
ports for the traffic of special applications.
Common application of Open Ports includes P2P application (e.g., BT, KaZaA, Gnutella,
WinMX, eMule and others), Internet Camera etc. Ensure that you keep the application
involved up-to-date to avoid falling victim to any security exploits.
Click
Open Ports
to open the following page:
Index
Indicate the relative number for the particular entry that you want
to offer service in a local host. You should click the appropriate
index number to edit or clear the corresponding entry.
Comment
Specify the name for the defined network service.
Local IP Address
Display the private IP address of the local host offering the
service.
Status
Display the state for the corresponding entry. X or V is to
represent the
Inactive
or
Active
state.
To add or edit port settings, click one index number on the page. The index entry setup page
will pop up. In each index entry, you can specify
10
port ranges for diverse services.
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51
Enable Open Ports
Check to enable this entry.
Comment
Make a name for the defined network application/service.
WAN IP
Specify the WAN IP address that will be used for this entry. This
setting is available when WAN IP Alias is configured.
Local Computer
Enter the private IP address of the local host or click
Choose PC
to select one.
Choose PC -
Click this button and, subsequently, a window
having a list of private IP addresses of local hosts will
automatically pop up. Select the appropriate IP address of the
local host in the list.
Protocol
Specify the transport layer protocol. It could be
TCP
,
UDP
, or
-----
(none) for selection.
Start Port
Specify the starting port number of the service offered by the
local host.
End Port
Specify the ending port number of the service offered by the local
host.
3.4 Applications
Below shows the menu items for Applications.
3.4.1 Dynamic DNS
The ISP often provides you with a dynamic IP address when you connect to the Internet via
your ISP. It means that the public IP address assigned to your router changes each time you
access the Internet. The Dynamic DNS feature lets you assign a domain name to a dynamic
WAN IP address. It allows the router to update its online WAN IP address mappings on the
specified Dynamic DNS server. Once the router is online, you will be able to use the
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Vigor2710 Series User’s Guide
52
registered domain name to access the router or internal virtual servers from the Internet. It is
particularly helpful if you host a web server, FTP server, or other server behind the router.
Before you use the Dynamic DNS feature, you have to apply for free DDNS service to the
DDNS service providers. The router provides up to three accounts from three different
DDNS service providers. Basically, Vigor routers are compatible with the DDNS services
supplied by most popular DDNS service providers such as
www.dyndns.org,
www.no-ip.com, www.dtdns.com, www.changeip.com, www.dynamic- nameserver.com.
You should visit their websites to register your own domain name for the router.
Enable the Function and Add a Dynamic DNS Account
1.
Assume you have a registered domain name from the DDNS provider, say
hostname.dyndns.org
, and an account with username:
test
and password:
test
.
2.
In the DDNS setup menu, check
Enable Dynamic DNS Setup
.
Enable Dynamic DNS
Setup
Check this box to enable DDNS function.
Set to Factory Default
Clear all profiles and recover to factory settings.
Auto-Update interval
Set the time for the router to perform auto update for
DDNS service.
Index
Click the number below Index to access into the setting
page of DDNS setup to set account(s).
Domain Name
Display the domain name that you set on the setting page
of DDNS setup.
Active
Display if this account is active or inactive.
View Log
Display DDNS log status.
Force Update
Force the router updates its information to DDNS server.
3.
Select Index number 1 to add an account for the router. Check
Enable Dynamic DNS
Account
, and choose correct Service Provider: dyndns.org, type the registered
hostname:
hostname
and domain name suffix: dyndns.org in the
Domain Name
block.
The following two blocks should be typed your account Login Name:
test
and
Password:
test
.
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53
Enable Dynamic DNS
Account
Check this box to enable the current account. If you did
check the box, you will see a check mark appeared on the
Active column of the previous web page in step 2).
Service Provider
Select the service provider for the DDNS account.
Service Type
Select a service type (Dynamic, Custom or Static). If you
choose Custom, you can modify the domain that is chosen
in the Domain Name field.
Domain Name
Type in one domain name that you applied previously.
Use the drop down list to choose the desired domain.
Login Name
Type in the login name that you set for applying domain.
Password
Type in the password that you set for applying domain.
Wildcard and Backup
MX
The Wildcard and Backup MX features are not supported
for all Dynamic DNS providers. You could get more
detailed information from their websites.
4.
Click
OK
button to activate the settings. You will see your setting has been saved.
The Wildcard and Backup MX features are not supported for all Dynamic DNS providers.
You could get more detailed information from their websites.
Disable the Function and Clear all Dynamic DNS Accounts
In the DDNS setup menu, uncheck
Enable Dynamic DNS Setup
, and push
Clear All
button
to disable the function and clear all accounts from the router.
Delete a Dynamic DNS Account
In the DDNS setup menu, click the
Index
number you want to delete and then push
Clear
All
button to delete the account.
3.4.2 UPnP
The
UPnP
(Universal Plug and Play) protocol is supported to bring to network connected
devices the ease of installation and configuration which is already available for directly
connected PC peripherals with the existing Windows 'Plug and Play' system. For NAT
routers, the major feature of UPnP on the router is “NAT Traversal”. This enables
applications inside the firewall to automatically open the ports that they need to pass through
a router. It is more reliable than requiring a router to work out by itself which ports need to
be opened. Further, the user does not have to manually set up port mappings or a DMZ.

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