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One of the methods used for allowing access to computers on a private local network from external systems is port mapping or forwarding. This technique enables administrators to make PCs behind a router or NAT (Network Address Translator) visible for someone outside the LAN.

In order to perform this task, though, having at hand a dedicated software would be much better than trying to manually perform the configurations. Especially designed to help you in this respect, Simple Port Forwarding may be just the application you're looking for.

The program has a rather clean interface, that has all its functions well-organized in several tabs hosted by the main window. Thus, you can view the router information as soon as you select the right one from the list.

The GUI provides essential information about which application is forwarded to which IP, you can check out the start and end ports, the number of ports to be opened and the port type as well.

A very useful feature of Simple Port Forwarding is the built-in database that contains a huge number of games and applications alongside the ports they use. You can, of course, add custom ports manually by simply specifying the name, type (TCP, UDP or both), start and end ports, as well as the IP address.

As soon as you finished the configurations, you can verify the forwarding capabilities of the selected ports with the help of a most useful testing tool that is included in the package.

Thanks to a quite decent feature pack and since it is rather easy to use, Simple Port Forwarding is a utility that can easily become a must have for those who need to perform such tasks on a regular basis. The GUI is easy to understand and the documentation accompanying the program (even it is available only online) should clear up any questions you may have.