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 1 92.168.1.2.
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.
1. select the service you want from the pull-down menu.
2. if the service you need is not listed in the menu, click the service management button to add the new service. the service management screen will appear. enter a name in the service name field. from the protocol drop-down menu, select the protocol it uses. enter its range in the port range fields. click the add to list button. then, click the save setting button to save your changes. click the cancel changes button to cancel your changes. click the exit button to return to the forwarding screen.
if you want to modify a service you have created, select it and click the update this service button. then, click the save setting button to save your changes. click the exit button to return to the forwarding screen.
if you want to delete a service you have created, select it and click the delete selected service button. then, click the save setting button to save your changes. click the exit button to return to the forwarding screen.
if you want to add another service, click the add new button. enter a name in the service name field. from the protocol drop-down menu, select the protocol it uses. enter its range in the port range fields. click the add to list button. then, click the save setting button to save your changes. click the cancel changes button to cancel your changes. click the exit button to return to the forwarding screen.
3. on the forwarding screen, enter the ip address of the server that you want the internet users to access. then click the enable checkbox to enable this port range forwarding entry.
4. click the add to list button, and configure as many entries as you would like, up to a maximum of 30. to delete an entry, select it and click the delete selected application button.
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.
some internet applications or games use alternate ports to communicate between the server and lan host.
when you want to use these applications, enter the triggering (outgoing) port and alternate incoming port in the port triggering table. then the router will forward the incoming packets to the lan host.
1. for each application, complete the application name, trigger port range, and incoming port range fields.
2. click the add to list button, and configure as many entries as you would like, up to a maximum of 30. to delete an entry, select it and click the delete selected application button.
click the save settings button to save your changes, or click the cancel changes button to undo your changes.
click the show tables button to see the details of your port range forwarding and port triggering entries.