on networks N300R, User Manual

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N300 WiFi Router (N300R) User Manual
4-8 Customizing Your Network Settings
May 2012
Configuring the WAN Setup Options
The WAN Setup options let you disable port scan and DoS protection, configure a DMZ
(demilitarized zone) server, enable the WiFi router to respond to a ping on the WAN (Internet)
port, enable IGMP proxying, and change the Maximum Transmit Unit (MTU) size. Select
WAN
Setup under Advanced in the main menu. The WAN Setup screen displays.
Disabling Port Scan and DoS Protection
The Stateful Packet Inspection (SPI) firewall protects your network and computers against attacks
and intrusions. A stateful packet firewall carefully inspects incoming traffic packets, looking for
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
Figure 4-4