SMC Networks Barricade SMC7004VWBR V.2 User Manual page 64

Configuring the Wireless Barricade Router
DMZ (Demilitarized Zone)
If you have a client PC that cannot run an Internet application
properly from behind the firewall, then you can open the client up
to unrestricted two-way Internet access. Enter the IP address of
a DMZ host to this screen. Adding a client to the DMZ may
expose your local network to a variety of security risks, so only
use this option as a last resort.
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