Most computer users are basic Internet surfers who watch a little video, read some e-mail off a web-based e-mail service and play the occasional online game. For them, a dynamic IP address—one assigned by the router that can change upon a reboot—works just fine. But for a power user who runs a server at home, an FTP site or any other application that requires external access, a static IP—one that does not change—is a necessity. Setting one up is straightforward, and you can do it on your own for free.
