This video will explain how to block all but one website using Comvigo IM Lock Internet Filtering Software.
This is achieve through whitelisting, and the “block all other sites” checkbox.
1. Go To Whitelisting
2. Add a website to whitelist (not block). You can whitelist as many sites as you want.
3. Check the “Block All Other Sites” Checkbox
This will now allow the whitelisted site(s), and block all others.