Netgear WGU624 User Manual download pdf (Page 85)

Reference Manual for the Double 108 Mbps Wireless Firewall Router WGU624

Advanced Configuration 7-7

M-10153-01

Enable DMZ Port: LAN port 4 on the WGU624 is reserved to be used as the DMZ port. You can

also use this port as a regular LAN port when this feature is not enabled. The DMZ port feature is

helpful when using some online games and videoconferencing applications that are incompatible

with NAT. The router 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 is connected directly to LAN port 4 as the

default DMZ server.

Incoming traffic from the Internet is normally discarded by the router unless the traffic is a

response to one of your local computers or a service that you have configured in the Ports 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.

To forward traffic to the DMZ server:

1. From the Main Menu of the browser interface, under Advanced, click Port Forwarding/Port

Triggering.

2. Select Port Forwarding to display the Port Forwarding menu.

3. Select the Internet service you want to forward from the Service Name list. If the service does

not appear in the list, refer to the section “Adding a Port Forwarding Custom Service” on

page 7-3.

4. Enter the IP address of the DMZ server in the corresponding Server IP Address box.

5. Click Apply at the bottom of the menu.

Respond to Ping on Internet Port: If you want the router to respond to a 'ping' from the Internet,

select the Respond to Ping on Internet Port check box. This should only be used as a diagnostic

tool, since it allows your router to be discovered. Don't check this box unless you have a specific

reason to do so.

Disable SPI: Normally, this option should be Enabled, so that your local network will be protected

by the Stateful Packet Inspection (SPI) firewall included in the WGU624. However, certain

communications functions like VPN may require turning off the SPI feature.

Note: DMZ servers pose a security risk. A computer designated as the default DMZ

server loses much of the protection of the firewall, and is exposed to exploits from the

Internet. However, the WGU624 provides a hardware DMZ port, which is much more

secure than a software solution. When enabled, the DMZ port is in a separate LAN sector

from the other LAN ports, including the Wireless LAN.

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Netgear WGU624 User Manual Page 85