Gianluca Cini

Features:

- Forces your network adapter card to use a custom DNS until a set date and time

- "Locks" your settings for the selected date and time

- Hard to bypass even for a user with admin privileges

Unplug is a free, open source internet blocker for windows computers.

It lets you block all outbound connections for the period of time of your choosing. Meaning that browsers, email, vpn, ftp, ssh and every other thing that uses the internet will not work.