[Jckl]

ok i looked at the manual.. if its correct then do this.

At the top select advanced.
On the left select virtual server, you should now have a page with 2 boxes. and some other stuff
Now make sure to select the Ip address of your computer.
In the left you will see Delta Force, highlight that and then click the bottom between the boxes that says add.
Now click the green check mark that says apply.
Restart the router. Now you should be good to go.