?– Because Windows Firewall is enabled, the client computer meets the
access policy, and IAG allows access to the portal Web site. Connection
complete.
20. Close the IAG logon Web page.
Using Outlook Web Access through the Intelligent Application Gateway ??? Chapter 9 359
Summary
The intent of this chapter is to give you a better understanding of how to install the
Microsoft Outlook Web Access mail program through the newly acquired IAG 2007
appliance, that was turned into a software form of a gateway by Microsoft within the
past year. The IAG is a comprehensive and secure remote access gateway that augments
an ISA 2006 security, providing a SSL protection with endpoint security to protect
all Web-based applications such as Microsoft OWA.
Solutions Fast Track
The Importance of Using
HTTPS for Outlook Web Access
?› HTTPS is a secure version of the HTTP, a secure means of transferring data using
the HTTPS protocol on the World Wide Web where secure e-mail, e-commerce
transactions, company sensitive information, and transactions are involved.
?› HTTPS encrypts the session with a digital certifi cate (i.e., HTTP over SSL),
which can be used by Web browsers.
Solution Publishing Outlook Web
Access in the Internet Application Gateway
?› Utilize HTTPS (port 443) packets to the internal IP address of the Exchange
server.
?› Make sure that your user??™s browsers have an appropriate URL to use for Outlook
Web access.
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