A detailed look into best practice design, deployment, and maintenance of an ISA Server 2004 Environment.  Written by industry expert Michael Noel, of Convergent Computing, ISA Server 2004 Unleashed provides guidance for ISA deployment scenarios, including step by step guides for configuring ISA to secure Exchange Outlook Web Access, deploying ISA Server 2004 Enterprise edition arrays, setting up Site to Site VPNs, deploying ISA as a reverse proxy in the DMZ of a firewall, and much more.  This book covers ISA in great detail, with emphasis on real-world situations and labor-saving scripts that help administrators take control of an ISA environment and leverage its full potential to provide unprecedented levels of security to an environment.