Restrict access to certain sites

Tech-Archive recommends: Speed Up your PC by fixing your registry

From: me (me_at_home)
Date: 05/11/04 

Date: Tue, 11 May 2004 08:09:55 -0700

We have been asked to restrict access to certain internet sites (porn
etc). What is the best way to do this with our internal DNS servers?
Is DNS the best way to accomplish this goal?

TIA,
luca