From Gear Box Computers:
Internet Access Controller is a software tool for controlling, blocking web sites and restricting internet and network access. Internet Access Controller can restrict internet access at specified times or on demand. You can password protect an internet connection. Protect your computer from viruses, trojans, worms that can be contracted from malicious websites or programs. Great for parental control or to prevent employees from inappropriate internet usage. You can block, limit or allow which programs and services have access to the internet. The timer feature allows you to disable the internet connection after a specified amount of time. IAC gives you complete control over your computer's network connection.
What's new in this version:
Internet Access Controller is now free (freeware)