Asus WL-330N - Manual (Page 52)

4-28 Chapter 4: Configuration
Virtual DMZ
This function allows you to expose a computer to the Internet, so that all inbound
traffics will be redirected to the computer you set. It is useful when you run some
applications that use uncertain incoming ports.
Use this function carefully.
DDNS
This function allows you to assign an Internet domain name tto a computer with a
dynamic IP address. Currently, several DDNS services are embeded in
WL-330N.