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DSL-524T ADSL Router Manual
64
DMZ
Firewalls may conflict with certain interactive applications such as video conferencing or playing
Internet video games. For these applications, a firewall bypass can be set up using a DMZ IP address.
The DMZ IP address is a “visible” address and does not benefit from the full protection of the firewall
function. Therefore it is advisable that other security precautions be enabled to protect the other
computers and devices on the LAN. It may be wise to use isolate the device with the DMZ IP address
from the rest of the LAN. For example, if you want to use video conferencing and still use a firewall,
you can use the DMZ IP address function. In this case, you must have a PC or server through which
video conferencing will take place. The IP address of this PC or server will then be the DMZ IP
address. You can designate the server’s IP address as the DMZ by typing in the IP address in the IP
Address space provided and then enabling its status by clicking the Status Enabled radio button and
then click Apply. For the system that uses the DMZ IP address, you may want to manually assign an
IP address to it and adjust your DHCP server addresses so that the DMZ IP address is not included in
the DHCP server range. This way you avoid possible IP address problems if you reboot the DMZ
system. To configure the Router’s DMZ IP address, click the Advanced tab at the top of the screen
and then the DMZ tab to the left.