Linksys WRT55AG User Guide - Page 38

The Applications and Gaming Tab - DMZ

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Dual-Band Wireless A+G Broadband Router The Applications and Gaming Tab - DMZ The DMZ feature allows one network user to be exposed to the Internet for use of a special-purpose service such as Internet gaming or videoconferencing. DMZ hosting forwards all the ports at the same time to one PC. The Port Range Forwarding feature is more secure because it only opens the ports you want to have opened, while DMZ hosting opens all the ports of one computer, exposing the computer to the Internet. Any PC whose port is being forwarded must have its DHCP client function disabled and should have a new static IP address assigned to it because its IP address may change when using the DHCP function. DMZ To expose one PC, select Enabled. Internet Source IP Address. If you want to allow any Internet IP address to access the exposed computer, select Any IP Address. If you want to allow a specific IP address or range of IP addresses to access the exposed computer, select the second option and enter the IP address or range of IP addresses in the fields provided. Destination Host IP Address. Enter the IP address of the computer you want to expose. Change these settings as described here and click the Save Settings button to apply your changes or Cancel Changes to cancel your changes. Help information is shown on the right-hand side of the screen. For additional information, click More. Figure 5-23: Applications and Gaming Tab - DMZ Chapter 5: Configuring the Dual-Band Wireless A+G Broadband Router 32 The Applications and Gaming Tab - DMZ

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32
Chapter 5: Configuring the Dual-Band Wireless A+G Broadband Router
The Applications and Gaming Tab - DMZ
Dual-Band Wireless A+G Broadband Router
The Applications and Gaming Tab - DMZ
The DMZ feature allows one network user to be exposed to the Internet for use of a special-purpose service such
as Internet gaming or videoconferencing. DMZ hosting forwards all the ports at the same time to one PC. The Port
Range Forwarding feature is more secure because it only opens the ports you want to have opened, while DMZ
hosting opens all the ports of one computer, exposing the computer to the Internet.
Any PC whose port is being forwarded must have its DHCP client function disabled and should have a new static
IP address assigned to it because its IP address may change when using the DHCP function.
DMZ
To expose one PC, select
Enabled
.
Internet Source IP Address
. If you want to allow any Internet IP address to access the exposed computer, select
Any IP Address
. If you want to allow a specific IP address or range of IP addresses to access the exposed
computer, select the second option and enter the IP address or range of IP addresses in the fields provided.
Destination Host IP Address
. Enter the IP address of the computer you want to expose.
Change these settings as described here and click the
Save Settings
button to apply your changes or
Cancel
Changes
to cancel your changes. Help information is shown on the right-hand side of the screen. For additional
information, click
More
.
Figure 5-23: Applications and Gaming Tab - DMZ