Chapter 18 Universal
Cautions with UPnP
The automated nature of NAT traversal applications in establishing their own services and opening firewall ports may present network security issues. Network information and configuration may also be obtained and modified by users in some network environments.
When a UPnP device joins a network, it announces its presence with a multicast message. For security reasons, the
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18.4 UPnP Screen
Use this screen to enable UPnP. Click the Management > UPnP to open the following screen.
Figure 87 Management > UPnP > General
The following table describes the labels in this screen.
Table 60 Management > UPnP > General
LABEL | DESCRIPTION |
Enable the Universal Plug | Select this check box to activate UPnP. Be aware that anyone could |
and Play (UPnP) Feature | use a UPnP application to open the Web Configurator's login screen |
| without entering the |
| enter the password to access the Web Configurator). |
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|
Allow users to make port | Select this check box to allow |
forwarding changes through | automatically configure the |
UPnP | through the |
| applications automatically reserve a NAT forwarding port in order to |
| communicate with another UPnP enabled device; this eliminates the |
| need to manually configure port forwarding for the UPnP enabled |
| application. |
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Apply | Click Apply to save the setting to the |
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|
Reset | Click Reset to begin configuring this screen afresh. |
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