Netgear WNDR4000 User Manual - Page 68

WAN Setup, Respond to Ping on Internet WAN Port - dmz

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N750 Wireless Dual Band Gigabit Router WNDR4000 User Manual WAN Setup Select Advanced > WAN Setup to display the following screen: The following settings are available: • Disable Port Scan and DoS Protection. The firewall protects your LAN against port scans and denial of service (DoS) attacks. This protection should be disabled only in special circumstances. • Default DMZ Server. The default demilitarized zone (DMZ) server feature is helpful when you use online games and video conferencing applications that are incompatible with NAT. See Default DMZ Server on page 69. • Respond to Ping on Internet WAN Port. If you want the wireless router to respond to a ping from the Internet, select this check box. This should be used only as a diagnostic tool, because it allows your wireless router to be discovered. Do not select this check box unless you have a specific reason to do so. • Disable IGMP Proxying. The IGMP Proxying function lets a PC on the LAN receive multicast traffic from the Internet. Select this check box to disable the function if you do not need it. • MTU Size (in bytes). The normal Maximum Transmit Unit (MTU) value for most Ethernet networks is 1500 bytes, or 1492 bytes for PPPoE connections. For some ISPs you might need to reduce the MTU. But this is rarely required, and should not be done unless you are sure it is necessary for your ISP connection. • NAT Filtering. By default NAT filtering is used. 68 | Chapter 7. Advanced Settings

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68
|
Chapter 7.
Advanced Settings
N750 Wireless Dual Band Gigabit Router WNDR4000 User Manual
WAN Setup
Select
Advanced > WAN Setup
to display the following screen:
The following settings are available:
•
Disable Port Scan and DoS Protection
. The firewall protects your LAN against port
scans and denial of service (DoS) attacks. This protection should be disabled only in
special circumstances.
•
Default DMZ Server
. The default demilitarized zone (DMZ) server feature is helpful when
you use online games and video conferencing applications that are incompatible with
NAT. See
Default DMZ Server
on page
69.
•
Respond to Ping on Internet WAN Port
. If you want the wireless router to respond to a
ping from the Internet, select this check box. This should be used only as a diagnostic
tool, because it allows your wireless router to be discovered. Do not select this check box
unless you have a specific reason to do so.
•
Disable IGMP Proxying
. The IGMP Proxying function lets a PC on the LAN receive
multicast traffic from the Internet. Select this check box to disable the function if you do
not need it.
•
MTU Size (in bytes)
. The normal Maximum Transmit Unit (MTU) value for most Ethernet
networks is 1500 bytes, or 1492 bytes for PPPoE connections. For some ISPs you might
need to reduce the MTU. But this is rarely required, and should not be done unless you
are sure it is necessary for your ISP connection.
•
NAT Filtering
. By default NAT filtering is used.