45
The
Port Triggering
screen allows the Router to watch outgoing data for spe-
cific port numbers. The IP address of the computer that sends the matching
data is remembered by the Router, so that when the requested data returns
through the Router, the data is pulled back to the proper computer by way of IP
address and port mapping rules.
Port Triggering
Application
Enter the application name of the trigger.
Triggered Range
For each application, list the triggered port number range.
Check with the Internet application documentation for the port number(s)
needed.
Start Port
Enter the starting port number of the Triggered Range.
End Port
Enter the ending port number of the Triggered Range.
Figure 6-20
Port Triggering
44
Port Range Forwarding
Port Range
To add a server using Port Range Forwarding, complete the fol-
lowing fields:
Application
Enter the name of the application.
Start and End
Enter the number or range of external ports(s) used by the serv-
er or Internet application. Check with the Internet application software docu-
mentation for more information.
Protocol
Select the protocol
TCP
or
UDP
, or select
Both
.
IP Address
Enter the IP address of the server that you want the Internet users
to be able to access. To find the IP address, go to “Appendix D: Finding the
MAC Address and IP Address for Your Ethernet Adapter.”
Enabled
Check the
Enabled
box to enable the services you have defined. Port
Range Forwarding will not function if the
Enabled
button is left unchecked.
This is disabled (unchecked) by default.
When finished making your changes on this tab, click the
Save Settings
button
to save these changes, or click the
Cancel Changes
button to undo your
changes. For further help on this tab, click the
Help
button.