Under the Authentication Settings dialog box, shown in Figure 12.18, select what
type of authentication to use. For this example, HTML Form Authentication (FBA) is
chosen.
17. Under the Single Sign On Settings, you have the option to have this listener used for
access to multiple sites, using SSO to logon only once. To enable SSO (you don??™t
have to use it right away), enter the authentication domain name in the form of
???.companyabc.com??? (without the quotes; don??™t forget the preceding dot). Click Next
to continue.
18. Click Finish to complete the Listener Wizard.
19. While still on the Select Web Listener dialog box, with the new listener selected,
click the Edit button.
20. Select the Connections tab.
FIGURE 12.18 Enabling FBA on the OWA listener.
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Securing Exchange Outlook Web Access with ISA Server 2006
21. Under the Connections tab, shown in Figure 12.19, check the box for HTTP, and
select to redirect all HTTP connections to HTTPS. This will allow all HTTP requests to
be automatically redirected to HTTPS.
22. Click on the Forms tab. If deciding to allow users to change their passwords through
OWA, check the boxes under the Password Management section.
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