TP-Link TL-R470T User Guide - Page 99

Services, General, List of UPnP Mapping, UPnP Function

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If UPnP groupware are installed in the host in LAN and UPnP function is enabled for the Router, the host in LAN can automatically open the corresponding port to allow the UPnP application in WAN to access the resource of the host in LAN via this port, so that the functions limited to NAT can work normally. For example, MSN Messenger installed in Windows XP and Windows ME system is using UPnP protocol when audio and video communications are processing. On this page you can configure UPnP service. Choose the menu Services→UPnP to load the following page. Figure 4-55 UPnP The following items are displayed on this screen: ¾ General UPnP Function: Enable or disable the UPnP function globally. ¾ List of UPnP Mapping After UPnP is enabled, all UPnP connection rules will be displayed in the list of UPnP Mapping. The NO.1 entry in Figure 4-55 indicates: TCP data received on port 12856 of the WAN port in the Router will be forwarded to port 12856 in 192.168.0.101 server in LAN. Note: ● When using UPnP function, make sure the UPnP is enabled for the Router, and the operating system and applications in the host support UPnP service. ● As some Trojan and viruses can open the specific port using UPnP service resulting in hacker attack on the host, be careful of using UPnP service. -95-

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-95-
If UPnP groupware are installed in the host in LAN and UPnP function is enabled for the Router, the
host in LAN can automatically open the corresponding port to allow the UPnP application in WAN to
access the resource of the host in LAN via this port, so that the functions limited to NAT can work
normally. For example, MSN Messenger installed in Windows XP and Windows ME system is using
UPnP protocol when audio and video communications are processing.
On this page you can configure UPnP service.
Choose the menu
Services
→
UPnP
to load the following page
.
Figure 4-55 UPnP
The following items are displayed on this screen:
¾
General
UPnP Function:
Enable or disable the UPnP function globally.
¾
List of UPnP Mapping
After UPnP is enabled, all UPnP connection rules will be displayed in the list of UPnP Mapping.
The NO.1 entry in Figure 4-55 indicates: TCP data received on port 12856 of the WAN port in
the Router will be forwarded to port 12856 in 192.168.0.101 server in LAN.
Note:
●
When using UPnP function, make sure the UPnP is enabled for the Router, and the operating
system and applications in the host support UPnP service.
●
As some Trojan and viruses can open the specific port using UPnP service resulting in hacker
attack on the host, be careful of using UPnP service.