Nlynx Wireless Gateway - Manual (Page 29)

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DMZ Host
A DMZ host is a machine exposed to the Internet and running software
designed to provide specific services while protecting the LAN's other
machines from direct access from outside. On the Wireless Gateway, if an IP
address for a DMZ host is specified, incoming packets of types not listed in
the TCP Port to IP Forwarding table will be directed to the DMZ host.
The first three numbers of the DMZ Host IP Address control are
automatically set to those of the Wireless Gateway's Local LAN address (see
“Broadband Router” under “Basic Setup,” above). The default value of the
fourth number is zero; this has the effect of disabling the Wireless Gateway's
DMZ Host function. If a DMZ host exists on the LAN, click in the box for the
fourth number and type the last number of that machine's IP address.
Save/Cancel
After making sure all settings in the Port Forwarding settings panel are correct,
click Save to store the settings in the Wireless Gateway's non-volatile memory.
You can, alternatively, click Cancel (or simply exit the panel) to restore all
settings in the panel to the values last saved to or retrieved from the Wireless
Gateway.