Netgear R6400 User Manual - Page 107
Set Up a Default DMZ Server
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AC1750 Smart WiFi Router or multimedia applications from working. Open NAT provides a much less secured firewall, but allows almost all Internet applications to work. • Disable SIP ALG. Some voice or video communication applications do not work well with SIP ALG. Disabling SIP ALG might help your voice or video applications to create or accept a call through the router. 5. Click the Apply button. Your changes 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 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 router usually detects and discards incoming traffic from the Internet that is not a response to one of your local computers or a service that you configured in the Port Forwarding/Port Triggering page. Instead of discarding this traffic, the router can forward the traffic to one computer on your network. This computer is called the default DMZ server. To set up a default DMZ server: 1. Launch an Internet browser from a computer or wireless device that is connected to the network. 2. Type http://www.routerlogin.net or http://www.routerlogin.com. A login window opens. 3. Enter the router user name and password. The user name is admin. The default password is password. The user name and password are case-sensitive. The BASIC Home page displays. 4. Select ADVANCED > Setup > WAN Setup. The WAN Setup page displays. Specify Network Settings 109