Securing the network using Microsoft ISA Server 2004http://blogs.technet.com/industry_insiders/pages/404588.aspxSeveral months ago, I attended a Microsoft TechNet UK event where the topic was ISA Server 2004 network design/troubleshooting and inside application layer firewalling and filtering . It's taken me a while to get around to writing up the notes, but finally,en-GBCommunityServer 2.1 SP1 (Build: 61025.2)