N300 Wireless Router WNR2000v4
WAN Setup
The WAN Setup screen lets you configure a demilitarized zone (DMZ) server, change the maximum transmit unit (MTU) size, and enable the router to respond to a ping on the Internet (WAN) port.
To change the WAN settings:
1.Select Advanced > Setup > WAN Setup. The WAN Setup screen displays:
2.Enter the settings that you want to customize.
These settings are described in the following section, WAN Setup Screen Settings.
3.Click the Apply button.
WAN Setup Screen Settings
The following settings are available on this screen:
Disable Port Scan and DoS Protection. DoS protection protects your LAN against denial of service attacks such as Syn flood, Smurf Attack, Ping of Death, Teardrop Attack, UDP Flood, ARP Attack, Spoofing ICMP, Null Scan, and many others. By default, this check box is cleared.
Default DMZ Server. A demilitarized zone (DMZ) server can be helpful when you play online games and use videoconferencing. Be careful when you use this feature because it makes the firewall security less effective. For more information, see Default DMZ Server on page 47.
Respond to Ping on Internet Port. If you want the router to respond to a ping from the Internet, select this check box. By default, the check box is cleared. Use this option only as a
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