CBW560 Series Cable Modem
Wireless Router
User’s Manual
18
Using the Port Forwarding page, you can provide local services (web servers,
FTP servers, mail servers, etc) for people on the Internet or play Internet
games. A table of commonly used port numbers is also provided.
5.1.8 Port Triggers
The Port Triggers page allows you to configure dynamic triggers to specific
devices on the LAN. This allows for special applications that require specific
port numbers with bi-directional traffic to function properly. Applications such
as video conferencing, voice, gaming, and some messenging program
features may require these special settings.
Port Triggering is an elegant mechanism that does the forwarding for you,
each time you play the game.
You can specify up to 10 port ranges on which to trigger.
5.1.9 DMZ Host
The DMZ page allows you to configure a specific network device to be
exposed or visible directly to the WAN (public Internet). Setting a host on your
local network as demilitarized zone (DMZ) forwards any network traffic that is
not redirected to another host via the port forwarding feature to the IP address
of the host (PC). This designates one PC on your LAN that should be left
accessible to all PCs from the WAN side for all ports. For example, if you
locate a HTTP server on this machine, anyone will be able to access that
HTTP server by using your CBW560’s IP address as the destination. This
may be used when problem applications do not work with port triggers. The
setting of “0” indicates NO DMZ PC.