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3e-531AP Wireless Access Point
Demilitarized Zone (DMZ)
The Demilitarized Zone (DMZ) host allows one computer on the
Private Network to be totally exposed to the wired network or Internet
for unrestricted two-way communication. This configuration is typically
used when a computer is operating a proprietary client software or 2-way
communication such as video-teleconferencing, where multiple TCP port
assignments are required for communication. To assign a PC the DMZ
host status, fill in the Private IP address which is identified as the exposed
host and click the Apply button. However, any Internet user who knows
the WAN IP address of the gateway can connect to the DMZ host since
the firewall feature is disabled for this device, causing a potential security
risk to data residing on that host.
Again, it is recommended that IP addresses of DMZ host computers
on the Private Network be manually (statically) assigned to coincide with
a static DMZ host mapping to that specific IP address. DMZ hosts should
not rely on the dynamic IP assignment of DHCP server function which
could create incorrectly mapped IP address assignments to non-DMZ
hosts.
29000125-001 C
Chapter 4: Gateway Configuration
57
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