User`s guide

Chapter 19 The UPnP Screen
User’s Guide
196
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.
All UPnP-enabled devices may communicate freely with each other without additional
configuration. Disable UPnP if this is not your intention.
UPnP and ZyXEL
ZyXEL has received UPnP certification from the official UPnP Forum (http://www.upnp.org).
ZyXEL's UPnP implementation supports IGD 1.0 (Internet Gateway Device).
The WiMAX Modem only sends UPnP multicasts to the LAN.
19.2 UPnP
Click TOOLS > UPnP to enable UPnP in your WiMAX Modem.
Figure 102 TOOLS > UPnP
The following table describes the labels in this screen.
Table 100 TOOLS > UPnP
LABEL DESCRIPTION
Device Name This field identifies your device in UPnP applications.
Enable the
Universal Plug
and Play (UPnP)
Feature
Select this to activate UPnP. Be aware that anyone could use a UPnP application
to open the web configurator's login screen without entering the WiMAX Modem's
IP address. You still have to enter the password, however.
Allow users to
make
configuration
changes through
UPnP
Select this to allow UPnP-enabled applications to automatically configure the
WiMAX Modem so that they can communicate through the WiMAX Modem. For
example, using NAT traversal, UPnP 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.
Allow UPnP to
pass through
Firewall
Select this to allow traffic from UPnP-enabled applications to bypass the firewall.
Clear this if you want the firewall to check UPnP application packets (for example,
MSN packets).
Apply
Click to save your changes.
Reset
Click to restore your previously saved settings.