SMC Networks Barricade SMC2404WBR - Manual (Page 90)

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Advanced Settings - DMZ
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 the screen shown below.
You simply need to enter the last octet of your IP address. Adding a client to the
DMZ (Demilitarized Zone) may expose your local network to a variety of
security risks, so only use this option as a last resort
Figure 1.0