Technical Overview of Internet Information Services (IIS) 6.0
Total Page:16
File Type:pdf, Size:1020Kb
Microsoft® Windows® .NET Server Technical Article Technical Overview of Internet Information Services (IIS) 6.0 Microsoft Corporation Published: July 2002 Abstract Administrators and Web application developers demand a fast, reliable Web platform that is both scalable and secure. Internet Information Services (IIS 6.0) and Microsoft® Windows® .NET Server 2003 introduce many new features for Web application server management, availability and reliability, security, performance, and scalability. Significant architectural improvements have also been made to meet and exceed the requirements of customers around the world. This document provides an overview of the next generation of Web infrastructure capabilities that are available in the Windows Server family when you deploy IIS 6.0. IIS 6.0 and Windows .NET Server provide the most dependable, productive, connected, and integrated Web server solution. Microsoft® Windows® .NET Server Technical Article This is a preliminary document and may be changed substantially prior to final commercial release of the software described herein. The information contained in this document represents the current view of Microsoft Corporation on the issues discussed as of the date of publication. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information presented after the date of publication. This document is for informational purposes only. MICROSOFT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, AS TO THE INFORMATION IN THIS DOCUMENT. Complying with all applicable copyright laws is the responsibility of the user. Without limiting the rights under copyright, no part of this document may be reproduced, stored in or introduced into a retrieval system, or transmitted in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise), or for any purpose, without the express written permission of Microsoft Corporation. Microsoft may have patents, patent applications, trademarks, copyrights, or other intellectual property rights covering subject matter in this document. Except as expressly provided in any written license agreement from Microsoft, the furnishing of this document does not give you any license to these patents, trademarks, copyrights, or other intellectual property. The example companies, organizations, products, people and events depicted herein are fictitious. No association with any real company, organization, product, person or event is intended or should be inferred. © 2002 Microsoft Corporation. All rights reserved. Microsoft, Active Directory, FrontPage, Visual Basic, Windows, the Windows logo and Windows NT are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. The names of actual companies and products mentioned herein may be the trademarks of their respective owners. Microsoft® Windows® .NET Server Technical Article Contents Introduction................................................................................................................................... 1 The Application Server Role........................................................................................................2 Configuring the Application Server..............................................................................................2 Configure Your Server Application...........................................................................................2 Add/Remove Components Application....................................................................................2 IIS 6.0 Architecture—A New Request Processing Architecture................................................3 Request Processing Architecture................................................................................................3 HTTP.sys and Kernel-mode Queuing......................................................................................3 WWW Service Administration and Monitoring Component......................................................4 Worker Process Isolation Mode...................................................................................................4 Worker Process Isolation Mode Approach...............................................................................5 Application Pools.....................................................................................................................5 Preventing One Application or Site From Stopping Another....................................................5 Worker Process Isolation Mode Improvements.......................................................................5 Improving Robustness Without a Performance Hit..................................................................6 Restarting Worker Processes..................................................................................................8 IIS 5.0 Isolation Mode..................................................................................................................8 New Security Features...............................................................................................................10 Locked Down Server.................................................................................................................10 Multiple Levels of Security.....................................................................................................10 Unlocking Functionality with IIS Web Services Extensions....................................................10 Configurable Worker Process Identity.......................................................................................11 IIS Runs as a Low Privileged Account by Default......................................................................11 SSL Improvements....................................................................................................................11 Passport Integration..................................................................................................................12 URL Authorization and Extending the New Authorization Framework.......................................12 Constrained, Delegated Authentication.....................................................................................12 New Manageability Features......................................................................................................14 XML Metabase..........................................................................................................................14 Microsoft® Windows® .NET Server Technical Article Benefits of XML-formatted Plain Text Metabase Files...........................................................14 Easy Administration...............................................................................................................14 Improved Performance and Scalability..................................................................................15 Manageability........................................................................................................................ 15 Performance and Manageability Features.............................................................................15 IIS WMI Provider.......................................................................................................................16 Command-Line Administration..................................................................................................16 New Web-based Administration Console..................................................................................17 New Performance and Scalability Features..............................................................................18 HTTP.sys—New Kernel-Mode Driver........................................................................................19 Caching Policy & Thread Management.....................................................................................19 Web Gardens............................................................................................................................ 19 Persisted ASP Template Cache.................................................................................................19 Large Memory Support for x86.0...............................................................................................19 Site Scalability........................................................................................................................... 20 Listening For Requests With No Process Running................................................................20 Enhanced Development Experience and New Programmatic Features.................................21 ASP.NET and IIS Integration and Variety of Language Choices................................................21 ExecuteURL.............................................................................................................................. 21 Replacing Read Raw Data Filters..........................................................................................21 Global Interceptors....................................................................................................................22 ISAPI Filters...........................................................................................................................22 VectorSend...............................................................................................................................