Most of the offices, schools Facebook, Orkut, youtube are the top of the Blocked websites. So if they have blocked your website you can unblock it by just following the simple tutorial below
Blocking An Website
we are first Blocking a website at your computer.
Click Start Button and click “Run”
Type the following code in the “run” and press “ok”
A Pop Window is Opened.
You have to add ” 127.0.0.1 facebook.com” (without quotes) . Add this in the Notepad
Press CTRL+S to save the file and restart the browser
Finally you blocked the facebook website
UnBlock An Website
Follow the Above 4 Steps.
In the next step Delete the website Which has blocked.
Restart the Browser.
Its done , you have unblocked facebook at your college,offices etc