This is a little off the topic of multi-media but I know it effects a lot of folks out there.

This white paper provides information about the communication that flows between components in Windows XP Professional Service Pack 1 (SP1) and sites on the Internet.

Overview
This white paper provides information about the communication that flows between components in Windows XP Professional Service Pack 1 (SP1) and sites on the Internet, and how to limit, control, or prevent that communication in an organization with many users. The white paper is designed to help you, the administrator, plan strategies for deploying and maintaining Windows XP Professional SP1 in a way that provides an appropriate level of security for your organization’s networked assets.

You can download the 234KB file here:
http://download.microsoft.com/download/b/4/4/b4431cc7-1c26-4d1a-97b9-dded38774217/mngdxpsp1.exe