Try Network Access Protection for yourself via TechNet's virtual lab - it's a great form of free traininghttp://blogs.technet.com/steve_lamb/archive/2008/03/31/try-network-access-protection-for-yourself-via-technet-s-virtual-lab-it-s-a-great-form-of-free-training.aspxThe TechNet Virtual lab demonstrating Network Access Protection using IPSec enforcement is a great way to find out for yourself how this exciting security technology works. Bear in mind that IPSec is the most complex scenario for NAP. The lab shows youen-GBCommunityServer 2.1 SP1 (Build: 61025.2)