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Wireless Cable Voice Gateway Model CVG824G Reference Manual
3-12 Protecting Your Network
1.0, November 2006
Incoming traffic from the Internet is normally discarded by the gateway unless the traffic is a
response to one of your local computers or a service that you have configured in the Port
Forwarding or Port Triggering page. Instead of discarding this traffic, you can have it forwarded to
one computer on your network. This computer is called the Default DMZ Host.
To assign a computer or server to be a DMZ Host:
1. From the Advanced menu, select DMZ Host.
2. Enter the IP address of the computer you would like to assign as a DMZ Host.
3. Click Apply.
To disable the DMZ Host, enter “0” and click Apply.
If you want the gateway to respond to a “ping” from the Internet, check the “Respond to Ping on
WAN Port” check box. This should only be used as a diagnostic tool, since it allows your gateway
to be discovered. Do not check this box unless you have a specific reason to do so.
Turning On Universal Plug and Play (UPnP)
Universal Plug and Play (UPnP) helps devices, such as Internet appliances and computers, access
the network and connect to other devices as needed. UPnP devices can automatically discover the
services from other registered UPnP devices on the network.
UPnP can be enabled or disabled for automatic device configuration. The default setting for UPnP
is disabled. If disabled, the router will not allow any device to automatically control the resources,
such as port forwarding (mapping), of the router.
Other features of UPnP:
Figure 3-8