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Chapter 4
Advanced Configuration
14
10/100 4-Port VPN Router
Setup Tab > Forwarding
The Forwarding screen allows you to set up port range
forwarding and port triggering applications. Port range
forwarding can be used to set up public services or other
specialized Internet applications on your network, while
port triggering can be used to set up triggered ranges and
forwarded ranges for Internet applications.
Setup > Forwarding
Forwarding
Port Range Forwarding
Port forwarding can be used to set up public services on
your network. When users from the Internet make certain
requests on your network, the Router can forward those
requests to computers equipped to handle the requests.
If, for example, you set the port number 80 (HTTP) to be
forwarded to IP address 192.168.1.2, then all HTTP requests
from outside users will be forwarded to 192.168.1.2.
NOTE: You must disable the Router’s DHCP
function to use port forwarding.
You may use this function to establish a web server or FTP
server via an IP gateway. Make sure that you enter a valid
IP address. (You may need to establish a static IP address
in order to properly run an Internet server.) For added
security, Internet users will be able to communicate with
the server, but they will not actually be connected. The
packets will simply be forwarded through the Router.
Service Select the Service you want.
IP Address Enter the IP address of the server that you
want the Internet users to access.
Enable Select Enable to enable this port range forwarding
entry.
If the Service you need is not listed in the menu, click
Service Management to add the new service. The Service
Management screen appears.
Service Management
Service Name Enter a name.
Protocol Select the protocol it uses.
Port Range Enter its range.
Click Add to List. Click Save Settings to save your changes,
or click Cancel Changes to undo them. Click Exit to return
to the Forwarding screen.
If you want to modify a service you have created, select it
and click Update this service. Make changes. Click Save
Settings to save your changes, or click Cancel Changes to
undo them. Click Exit to return to the Forwarding screen.
If you want to delete a service you have created, select it
and click Delete selected service. Click Save Settings
to save your changes, or click Cancel Changes to undo
them. Click Exit to return to the Forwarding screen.
On the Forwarding screen, click Add to List, and configure
as many entries as you would like, up to a maximum of
30. To delete an entry, select it and click Delete selected
application.
Port Triggering
Port triggering allows the Router to watch outgoing data
for specific 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.