With iNet Protector you can easily restrict internet access at specified times or on demand. You can allow and block websites and limit which programs and features have access to the internet. For example, you can allow only e-mail and and work or study related websites. You can also simply password protect internet connection or set it to be automatically disabled after a specified amount of time.
Most other companies will try to sell you bulky, complex and expensive systems that take time to understand and configure. iNet Protector is lightweight, affordable and pretty straight-forward tool out of the box.