"The third server in the EBS 2008 product is called the Security Server. Its purpose is to act as the perimeter security watch dog and control all inbound and outbound access to the network.
It includes a product called Forefront Threat Management Gateway, Medium Business Edition. We’ll call it TMG for short. TMG is the next version of ISA Server being written based on a full 64-bit code base.
It includes all the features of ISA 2006 as well as newer features such as Malware Content Inspection on the fly. This is a subscription-based feature (12-month trial included) that will scan content coming in before it reaches the users’ desktop.
If the content is malware, it will either attempt to clean it or block access to it. Providing malware inspection at multiple levels and not just at the users desktop, helps to improve the overall security of the network.
In addition to this feature, the Security Server can also act as an endpoint for remote site VPN tunnels, with wizard-based configuration helping to minimize the potential problems that an IT pro might have when setting up the network."
For more about how EBS can help you, check out the entirety of Wayne Small's article at:
Thomas W Shinder, M.D., MCSE
Sr. Consultant / Technical Writer