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Security Resources for Exchange Server 5.5

Feel confident about your Microsoft Exchange Server 5.5 security with the aid of the TechNet, Microsoft Knowledge Base, and other resources listed on this page.

Note: For information about other versions of Exchange Server, visit Security Resources for Exchange Server 2003 or Security Resources for Exchange 2000 Server.

Vulnerability in Exchange Server 5.5 Outlook Web Access Could Allow Cross-Site Scripting and Spoofing Attacks

Prevent an attacker from placing spoofed content in Web browser and intermediate proxy server caches. To find out how, download Microsoft Security Bulletin MS04-026.

•	Configuration and Security Update Recommendations for Exchange Server 5.5 Maximize the performance of your servers running Exchange Server and help keep your information secure.

•	Deploying a Public Key Infrastructure for Exchange Server 5.5 Successfully deploy a public key infrastructure (PKI) using Certificate Server in a Microsoft Windows NT Server 4.0–based network for upgrade processes based on experience from a Fortune 500 customer.

•	Download the Latest Security Updates Locate security bulletins by product or technology, or review a list of the most recent security bulletins on the Microsoft Security Bulletin Search page.

•	Enhancing Exchange Server Security Learn techniques from Brien M. Posey that you can use to help secure Exchange Server.

•	Exchange Server Advanced Security Get acquainted with the Exchange Server advanced security features that enable your organization to distribute public/private key pairs to your users.

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HTR Functionality in Outlook Web Access Replaced with Active Server Pages

Microsoft advocates the removal of HTR from Microsoft Internet Information Services 5.0 and Microsoft Internet Information Server 4.0 where possible. Use this tool to remove HTR from IIS 5.0 and IIS 4.0 while maintaining the ability to change passwords in Outlook Web Access. Visit the Microsoft Help and Support site for details.

•	Microsoft Baseline Security Analyzer Scan for missing security updates on Exchange Server 5.5 and later.

•	Security and Protection for Outlook Need help securing your Microsoft Outlook client? You need look no further than this list of handy references.

•	Resource Kit, Part 11: Security Use encryption and digital signatures, configure encrypted remote procedure calls (RPCs), and help protect your system from intrusion from the Internet by configuring your server hardware and software.

•	Security Use advanced security methods to secure messages, increase Exchange Server security, and improve security when connecting to the Internet.

•	Top 4 Exchange Server Security Best Practices Follow these suggestions to implement the best possible security practices in your Exchange Server environment.

For More Information

Microsoft is committed to increasing security in a connected world. To learn more about security, see:

•	Microsoft Security & Privacy

•	Microsoft Security Notification Service

•	Microsoft Learning Security Resources

•	Virus Protection Strategies

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