?– Browser-based clientless access with granular policy control of data and
application components
?– More advanced security and manageability control over the client when
accessing Web- and non-Web-based resources
?– Remote access to a broader range of third-party and line-of-business applications
?– Access from unmanaged PCs or mobile devices on unknown networks
?– Strong endpoint security verifi cation
?– No IPSec VPN clients available for the target host platform
?– Extend policy-based access to partners and customers if warranted
of securing the deployment. You should make sure you put your OWA server
in a demilitarized zone (DMZ) separate from your mail servers and other systems.
As with any service or application you are making public, you want to provide
separation from your internal systems. This can be an especially sensitive
consideration for an application that provides Web-based access to your
organization??™s e-mail store.
342 Chapter 9 ??? Using Outlook Web Access through the Intelligent Application Gateway
Adding OWA to the IAG (Portal)
The fi rst step before adding the OWA to the IAG is to verify that your portal Web
site is up and operational. If not, you will not be able to proceed with the OWA
installation. Creating the portal Web site is out of the scope of this chapter.
IAG 2007
Microsoft offers the Intelligent Application Gateway (IAG) 2007 as a high-performance
application access and security appliance integrated with ISA Server 2006.
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