Wildcard script mapping and IIS 7 integrated pipeline

There is a great help available on learn.iis.net.

Author Ruslan Yakushev has a very good post on this.

The big benefit of IIS 7 integrated request processing pipeline is the fact that all the nice and useful ASP.NET features can be used for any type of content on your web site; not just for ASP.NET-specific content. For example, ASP.NET SQL-based membership can be used to protect static files and folders. Also, ASP.NET extensibility API's, such as IHttpHandler and IHttpModule can be used to add custom modules and handlers that would be executed even for non-ASP.NET content.

IIS 6 did not have this level of integration. ASP.NET was plugged into IIS 6 as an ISAPI extension and by default was configured to handle ONLY requests mapped to that extension - for example any request that ended with ".aspx" would be be processed by ASP.NET extension. This obviously was a big limitation for customers who wanted to be able to use ASP.NET features for all other contend on web site. The most common way to workaround that was to use "Wildcard script mapping". This post explains how an application that used wildcard script mapping in IIS 6 can be migrated over to IIS 7.


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