Netgear WNR1000v2 WNR1000v2 User Manual - Page 65

Setting Up a Default DMZ Server, Responding to a Ping on the Internet (WAN) Port, Default DMZ Server - connection issues

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Wireless-N 150 Router WNR1000v2 User Manual known exploits such as malformed, oversized, or out-of-sequence packets. The firewall should be disabled only in special circumstances, such as when you are troubleshooting application issues. Setting Up a Default DMZ Server The default DMZ server feature is helpful when you are using some online games and videoconferencing applications that are incompatible with Network Address Translation (NAT). The router is programmed to recognize some of these applications and to work correctly with 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. 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. 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. Select the Default DMZ Server check box. 2. In the Default DMZ Server fields, enter the IP address for that computer or server. 3. 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. Customizing Your Network Settings 4-7 v1.0, September 2009

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Wireless-N 150 Router WNR1000v2 User Manual
Customizing Your Network Settings
4-7
v1.0, September 2009
known exploits such as malformed, oversized, or out-of-sequence packets. The firewall should be
disabled only in special circumstances, such as when you are troubleshooting application issues.
Setting Up a Default DMZ Server
The default DMZ server feature is helpful when you are using some online games and
videoconferencing applications that are incompatible with Network Address Translation (NAT).
The router is programmed to recognize some of these applications and to work correctly with
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.
Select the
Default DMZ Server
check box.
2.
In the
Default DMZ Server
fields, enter the IP address for that computer or server.
3.
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.
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.