A. In keeping with its policy not to include new features in service packs, Microsoft has released an ISA Server Feature Pack 1, which is available for download at http://www.microsoft.com/isaserver/featurepack1/download.asp . The basic additions are

  • an enhanced SMTP filter
  • an enhanced Exchange remote procedure call (RPC) filter (RPC encryption and Outbound RPC)
  • an RPC filter configuration wizard
  • URLScan 2.5 for ISA Server
  • Web authentication for RSA SecurID
  • basic authentication delegation
  • a Microsoft Outlook Web Access (OWA) wizard
  • a link translator
  • sample scenarios and documentation for several completed common tasks

A more complete description of the feature pack is available at Microsoft's Web site.