Netgear WGR614v10 User Manual download pdf (Page 56)

Wireless-G Router WGR614v10 Reference Manual

Customizing Your Network Settings 4-7

v1.0, February 2010

them, but there are other applications that might not function well. In some cases, one local

computer can run the application correctly if that computer’s IP address is entered as the default

DMZ server.

Incoming traffic from the Internet is usually 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 Port Forwarding/Port

Triggering screen. 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 WAN Setup screen lets you configure a default DMZ server.

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

1. In the last Default DMZ Server field, type the last digit of the IP address for that computer.

To remove the default DMZ server, enter 0 (zero).

2. Select the Default DMZ Server check box, and click Apply.

Responding to a Ping on the Internet (WAN) 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 be used only as a diagnostic tool, since it allows your router

to be discovered by Internet scanners. Do not select this check box unless you have a specific

reason to do so, such as when troubleshooting your connection.

Setting the MTU Size

The normal MTU value for most Ethernet networks is 1500 bytes, 1492 bytes for PPPoE

connections, or 1450 for PPTP connections. For some ISPs, you might need to reduce the MTU

size, but this is rarely required and should not be done unless you are sure it is necessary for your

ISP connection. For more information, see “Changing the MTU Size” on page 5-21.

To change the MTU size:

1. In the MTU Size field, enter a new size between 64 and 1500.

2. Click Apply to save the new configuration.

Warning: 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. If compromised, the DMZ server computer can be used to

attack other computers on your network.

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Netgear WGR614v10 User Manual Page 56