Take advantage of front-end/back-end servers, firewalls, and passwords
Two of the biggest complaints about Exchange Server 5.5's Outlook Web Access (OWA) were that it wasn't very secure or scalable. Significant security problems still exist in OWA in Exchange 2000 Server (OWA 2000) if you configure it improperly. However, OWA 2000 adequately addresses the scalability problems through more efficient communication between the Microsoft Internet Information Services (IIS) 5.0 server and Exchange 2000 servers and through the use of front-end and back-end servers. Let's look at the reasons for implementing front-end and back-end servers, how to create and properly configure them, and how to secure your new OWA setup by adding a firewall, protecting and changing passwords, and protecting against possible attacks. In addition, on the Exchange & Outlook Administrator Web site (http://www .exchangeadmin.com), you'll find the Web-exclusive sidebar "Redirecting Users to Secure Pages," InstantDoc ID 23175, which describes how you can help users adjust to secure Web pages in the OWA 2000 system. . . .
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