Application Layer Firewall protection for Exchange 2003 with ISA 2004
A new document about protecting Exchange 2003 with ISA Server 2004. These 2 products really make a happy couple.
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The purpose of this document is to detail how to more effectively use the Hypertext Transfer Protocol (HTTP) and Simple Mail Transfer Protocol (SMTP) filtering capabilities to secure a Microsoft Exchange Server 2003 environment connected to the Internet by using ISA Server 2004."