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What's New In IIS 6.0: A Practical Administrative Guide (Part 2 of 2) : Page 5

The first article in this two-part series explored IIS 6.0's new features. This part of the series concentrates on the "hands on" activities to implement and manage those new features. You'll see how to configure IIS 6.0 to leverage Web services extensions, enable ASP.NET processing, and troubleshoot some new IIS 6.0 issues.


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Sub-Authentication Error (401 Error)
The sub-authentication component (iissuba.dll) manages anonymous accesses to Web sites. This DLL is not enabled by default in IIS 6.0. This was done to avoid potential security risks due to anonymous access. You can enable the sub-authentication component by registering iissuba.dll and setting the AnonymousPasswordSync attribute in the Metabase to true. The IIS administrator will get a warning when anonymous access is enabled.
Author's Note: The sub-authentication component for anonymous access is enabled by default in IIS 5.0 and below, but not enabled by default in IIS 6.0

You can see by the number of new security, scalability, and server health features that IIS 6.0 raises the bar in the Windows Web server space. IIS 6.0 increases scalability and server health by using the worker process model. The change in default settings and the new focus on security reflect Microsoft's new security emphasis via its Trustworthy Computing initiative. The XML Metabase creates a more flexible mechanism for storing server settings, and increase both the simplicity and power of IIS administration.



Chris Peiris works as a Systems Architect for Department of Employment and Workplace Relations in Canberra, Australia. He also lectures on Distributed Component Architectures (.NET, J2EE & CORBA) at Monash University, Caulfield campus, Victoria, Australia. He is a .NET MVP who has been designing and developing Microsoft solutions since 1995. His expertise lies in developing scalable, high-performance solutions for financial institutions, G2G, B2B and media groups. He has written many articles, reviews and columns for various online publications, and technical books for Wrox and Syngress, and is currently working on the book Study Guide for Windows 2003 Server." Chris' core skills are C++, Java, .NET, DNA, MTS, Site Server, Data Warehousing, WAP, and SQL Server. Chris is currently working on a Ph.D. in Web Services Management. He can be reached at http://www.chrispeiris.com.
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