School network Security

I am working as a school librarian. How do i keep my students off of
facebook and Youtube?
What's the best freeware program for this?
best program at any level?

TIA
.

Relevant Pages

  • Re: School network Security
    ... facebook and Youtube? ... What's the best freeware program for this? ... Please don't multi post. ... Cross posting a few well chosen groups is ...
    (comp.security.firewalls)
  • Re: School network Security
    ... facebook and Youtube? ... What's the best freeware program for this? ... it is VERY simple if you can edit the Hosts file in the computers. ...
    (comp.security.firewalls)