How does WSS work with IIS?

 Posted by ArticlesMaint on 9/23/2009 | Category: SharePoint Interview questions | Views: 5478


In order to understand how WSS works with IIS we need first understand the concept of “HttpHandlers and HttpModules”. If you are not aware of it you can refresh about the same at HTTPHandler.aspx  .

Using the HttpHandlers and HttpModules request is first passed through the Share Point runtime and then passed to the ASP.NET runtime (aspnet_isapi.dll).
 



If you open the web.config file of a WSS enabled IIS web application you can see the application run time handlers and modules.
 

<httpHandlers>
<add verb="GET,HEAD,POST" path="*" type="Microsoft.SharePoint.ApplicationRuntime.SPHttpHandler, Microsoft.SharePoint, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" />
....
...
</httpHandlers>
 

We have highlighted the application runtime module.
 

<httpModules>
<add name="SPRequest" type="Microsoft.SharePoint.ApplicationRuntime.SPRequestModule, Microsoft.SharePoint, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" />
...
...
</httpModules>


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