See Chapter 13.
OMA Required Basic only . Special considerations exists for
OWA servers that are not dedicated
front-end servers. See Chapter 13.
329
12
Securing Exchange Outlook Web Access with ISA Server 2006
TABLE 12.1 OWA Virtual Server Settings
Virtual
Directory SSL Authentication Notes
ExchDAV Not enabled Integrated
Windows server
authentication
. Used only when OWA is also a
back-end database server and the
front-end components also run on
the same server. This is for
supporting OMA and EAS in this
configuration, referenced in
Chapter 13.
. Configure it to deny all connections
except the local OWA server??™s IP
address (for security reasons).
Public Required Basic only . Used for public folder access.
Rpc Required Basic only . Used for RPC over HTTPS communications.
See Chapter 13 for information
on how to configure this.
NOTE
Table 12.1 lists a full spectrum of potential virtual directories that an OWA server may
use. Depending on what is installed and/or enabled, they may or may not be present
on a particular OWA virtual server. The subsequent chapter of this book, Chapter 13,
???Securing Messaging Traffic,??? has detailed information on setting up some of these features,
such as OMA, RPC-HTTP, and ActiveSync.
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