Canon 802.11g 54M WLAN - Manual (Page 60)

802.11g 4-Port Wireless LAN Broadband Router
60
3.3.5 DMZ Host
Use the DMZ Host screen to expose one or more computers on your network to the
internet. This feature is often used for online games that require unrestricted two-way
communication. Note that the computer you designate won't have any firewall protection.