How do i block and unblock internet sites

Some times it becomes necessary to block and unblock internet website on our Computers for one or other reason.

Procedure to block an unblock internet sites:

1. Go to Start and type RUN .
2. Type C:\WINDOWS\system32\drivers\etc
3. Open the file "HOSTS" in a notepad
4. Under "127.0.0.1 localhost" . Add IP Name
5. IP - IP of the site to be blocked
6. Name - Name of the site (see the pic below for example

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.