Question : Block website catogories with GPO

Hi,
Is it possible to block whole website catogories with GPO's?  If not, can you recommend a free/simple 3rd party software that can do this that can be installed on the server

Cheers

Answer : Block website catogories with GPO

A proxy server would be a perfered method however, an article on how to accomplish this can be done here.

http://www.chrisse.se/MAQB.asp?ID=17