Block A Website

BLOCK UNWANTED SITE ON YOUR COMPUTER
Hey Friends,want to block any site from opening on your computer.If you want to block some site in windows O.S. to be browse from your computer.
Then do following steps………
open the location..C:\WINDOWS\system32\drivers\etcyou will find a hosts file.First backup the hosts file.Open hosts file there, from the notepad.At the end of the line you can see as per below.
127.0.0.1 localhost
Append the following line at the end127.0.0.1 BlockSitename.com Replace the BlockSitename.com with the site name that you want to block.
example……If you want to restrict http://www.yahoo.com/ then in the hosts file do this….127.0.0.1 http://www.yahoo.com/or0.0.0.0 http://www.yahoo.com/
as ip 0.0.0.0 means nothing.
Then go to Start->Run-> type: ipconfig /flushdns to restart the network.
Note: That will only stop the domain name to go to the website but if you know the IP address of the site from the gnsstuff or whois then you can brose your site.