22 Mar 12, 06:10AM
Well, first thing that comes to mind is that your router is not an apple product. Which is what the utility is made for. If it isn't then any other port forwarding tutorial will help lead you to the right place, and a tutorial for your router would be best.
Feel free to tell us your Mac OS version and what kind of router you have.
Feel free to tell us your Mac OS version and what kind of router you have.