Sources: Yahoo News, Indiana News Center
quote: Blocking a website is virtually impossible if you give a user access to the internet.
quote: I'm not sure how you plan on running a proxy from pbskids.org server. Because those systems will not let you get to myproxy.dyndns.org or via direct IP.
quote: You force ALL internal computers to go through one proxy/gateway and only allow connections out from the proxy on the standard HTTP and HTTPS ports.