Procedure to block an unblock internet sites

Follow this step:
  • Go to Start and type RUN .
  • Type C:\WINDOWS\system32\drivers\etc
  • Open the file "HOSTS" in a notepad
  • Under "127.0.0.1 localhost" . Add IP Name
    IP - IP of the site to be blocked
    Name - Name of the site
Example :
127.0.0.1 localhost
210.210.19.82 www.sifymall.com

Sifymall is now unaccessable . For every site after that you want block , just add "1" to the last number in the internal ip (127.0.0.2) and then the add like before. 


Enjoy :)