To change the default WAN security settings:
1. Launch an Internet browser from a computer or WiFi device that is connected to the network.
2. Type http://www.routerlogin.net.
A login window opens.
3. Enter the user name and password for the modem router.
The user name is admin.The default password is password. The user name and password are
case-sensitive.
4. Click the OK button.
The BASIC Home page displays.
5. Select ADVANCED > Setup > WAN Setup.
The WAN Setup page displays.
6. To enable a port scan and disable DoS protection, select the Disable Port Scan and DoS Protection
check box.
7. To enable the modem router to respond to a ping, select the Respond to Ping on Internet Port check
box.
8. Click the Apply button.
Your settings are saved.
Set 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 modem router is
programmed to recognize some of these applications and to work correctly with them, but other applications
might not function well. In some cases, one local computer can run the application correctly if the IP
address for that computer 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.
The modem router usually detects and discards incoming traffic from the Internet that is not a response
to one of your local computers or a service or application for which you set up a port forwarding or port
triggering rule. Instead of discarding this traffic, you can direct the modem router to forward the traffic to
one computer on your network. This computer is called the default DMZ server.
Manage the WAN and LAN Network Settings
217
Nighthawk AC1900 WiFi VDSL/ADSL Modem Router Model D7000
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