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ALG (Application Layer Gateway):
You can select to enable, then the router will let that
application correctly pass though the NAT gateway.
DMZ (Demilitarized Zone)
If you have a client PC that cannot run Internet application properly from behind the NAT
firewall or after configuring the Special Applications function, 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 (Demilitarized
Zone) may expose your local network to a variety of security risks, so only use this option as a
last resort.
