Netgear DSL Modem Internet Gateway DG814 User Manual download pdf (Page 69)

Reference Manual for the Model DG814 DSL Modem Internet Gateway

Advanced Configuration of the Gateway 6-5

Security

DMZ Server

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 menu. Instead of discarding this traffic, you can have it forwarded to one computer on

your network. This computer is called the Default DMZ Server.

The Default DMZ Server feature is helpful when using some online games and videoconferencing

applications that are incompatible with NAT. The gateway is programmed to recognize some of

these applications and to work properly with them, but there are other applications that may not

function well. In some cases, one local PC can run the application properly if that PC’s IP address

is entered as the Default DMZ Server.

The Security menu, shown in Figure 6-2, allows the configuration of a Default DMZ Server.

Figure 6-2. Security menu.

To assign a computer or server to be a Default DMZ server:

1. Click Default DMZ Server.

2. Type the IP address for that server.

3. Click Apply.

Note: For security, you should avoid using the Default DMZ Server feature. When a

computer is designated as the Default DMZ Server, it loses much of the protection of the

gateway, and is exposed to many exploits from the Internet. If compromised, the

computer can be used to attack your network.

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Netgear DSL Modem Internet Gateway DG814 User Manual Page 69