Use
Internet Lock to control internet access, block or password protect
internet connection and internet programs: Internet Explorer, Firefox,
Messenger, Outlook… Internet Lock is the access control and password
protection solution for your internet connections and programs. With
Internet Lock, you can control the internet connections and programs on
your computer. Internet Lock can password protect or block any kind of
internet programs from accessing internet, for example: password
protects all web browsers including Internet Explorer, Firefox
etc.[Download]