US Robotics Wireless 54Mbps ADSL Router User Manual page 38

C W
ONFIGURING THE
Virtual Server
If you configure the Wireless 54Mbps ADSL Router as a virtual server,
remote users accessing services such as the Internet or FTP at your
local site via public IP addresses can be automatically redirected to
local servers with private IP addresses. In other words, depending on
the requested service (TCP/UDP port number), the Wireless 54Mbps
ADSL Router redirects the external service request to the appropriate
server (located at another internal IP address).
For example, if you set Type/Public Port to TCP/80 (HTTP or Web) and
the Private IP/Port to 192.168.2.2/80, then all HTTP requests from
outside users will be transferred to 192.168.2.2 on port 80. Therefore,
by just entering the IP address provided by the ISP, Internet users can
access the service they need at the local address to which you
redirect them.
A list of ports is maintained at the following link:
http://www.iana.org/assignments/port-numbers
36
54M ADSL R
IRELESS BPS OUTER