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The following table describes parameters in this page:
Item
Description
Service Name
Enter the service name.
Service User
You can select Any or Single address.
Any: Allow everybody in the user network to use the service.
Single address: Enter the IP address of the network card on the PC.
Then, the service is applied only on the specific network card of the
PC.
Service Type
Indicate the protocol used at the triggering port. You can select TCP,
UDP or TCP/UDP.
Triggering
Starting Port
The first port to which an application sends a connection request. All
relevant ports can be open only after connection is established at this
starting port. Otherwise, other relevant ports are not open.
Triggering
Ending Port
Set the end port of the triggering port range.
Connection
Type
You can select TCP, UDP or TCP/UDP.
Starting Port
When the connection to the triggering port is successful, the
corresponding ports are open and the application can send consequent
connection requests to the open ports.
Ending Port
Set the end port of the triggering port range.
After the settings are done, click Apply to add the rule of port triggering.
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6-3 UPnP
By using the Universal Plug and Play (UPnP) protocol, a host at the LAN side can ask the
router to realize specific port conversion, so that an external host can access resources on
the internal host when necessary. For example, if MSN Messenger is installed on Windows
ME and Windows XP operating systems, UPnP can be used for audio and video
conversations. In this way, functions restricted by NAT can work properly.
Note: Only applications that support UPnP can use the function. The
functionality of UPnP requires support by the application and operating
systems such as Windows ME, Windows XP and Windows Vista.
Choose
Forwarding Rule > UPnP
and the UPnP page appears.
The following table describes parameters in this page:
Item
Description
Turn UPnP On
Enable or disable UPnP.
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Period (in
minutes)
Set the broadcast interval. It indicates the interval for broadcasting the
UPnP information by the router. The value should be in the range of 1 to
1440 minutes and the default is 30 minutes.
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Time To live
(in hops)
The time for the broadcast to live. It is the number of hops after each
UPnP packet is sent. The number of hops is the time taken for each
packet to broadcast before it vanishes. The value should be in the range
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of 1 to 255 hops and the default is 4 hops.
UPnP Portable
Table
This table shows the IP addresses of UPnP devices that are connected to
the router and open (internal and external) ports on the devices. It also
lists the types and status of the open ports.
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7. Access Control
Click Access Control and the extended navigation menu is shown as follows:
The submenu contains Block Sites, Block Services and QoS Setup.
7-1 Block Sites
Choose
Access Control > Block Sites
and the Block Sites page appears.
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In this page, you can add or delete a filter rule of domain name or keyword, to block LAN
users from accessing certain websites in the WAN. When a user tries accessing a restricted
website, a message appears, indicating that the firewall restricts access to the website.
The following table describes parameters and buttons in this page:
Item
Description
Keyword
Blocking
Select the mode of blocking. You can select Never, Per Schedule or
Always.
Never: Website blocking is disabled.
Per Schedule: After you select it and set in System Tools >
Schedules page, website blocking is enabled
according to the settings in the Schedules page.
Always: Website blocking is always enabled.
Type Keyword
or Domain
Name Here
Enter the keyword or domain name that you want to block.
Domain name: For example, www.facebook.com
Keyword: Enter certain words, for example, blasphemy or erotic
readings, included in a link.
Add Keyword
Click the button to add the keyword or domain name you entered to the
list under the button.
Block Sites
containing
these Keywords
or Domain
Names
The list displays the blocked entries. It can contain up to 32 entries.
Delete
Keyword
Select a keyword or domain name in the above list and click the button
to delete it from the list.
Clear List
Click the button and all keywords and domain names are deleted from
the list.
Allow Trusted
IP Address To
After it is selected, the specified computer has the full authority of
accessing the Internet.

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