Web.config

<?xml version="1.0"?>

<configuration>
    <system.diagnostics>
        <switches>
            <add name="ShowErrors" value="4"/>
        </switches>

        <!-- log to debug output -->
        <sources>
            <source name="OpenRasta" switchValue="All">
                <listeners>
                    <add name="TextWriterListener" type="System.Diagnostics.TextWriterTraceListener" initializeData="Logs\OpenRasta.txt"/>
                </listeners>
            </source>
        </sources>
    </system.diagnostics>

    <system.web>
        <compilation debug="true" targetFramework="4.0"/>

        <authentication mode="None"/>

        <!-- required for WebForms views -->
        <pages pageParserFilterType="OpenRasta.Codecs.WebForms.OpenRastaPageParserFilter, OpenRasta.Codecs.WebForms, Version=2.0.1.0, Culture=neutral" controlRenderingCompatibilityVersion="3.5" clientIDMode="AutoID">
            <namespaces>
                <add namespace="OpenRasta.Web"/>
                <add namespace="OpenRasta.Web.Markup"/>
                <add namespace="OpenRasta.Codecs.WebForms"/>
                <add namespace="OpenRasta"/>
                <add namespace="System.Collections.Generic"/>
            </namespaces>
        </pages>

        <!-- hook into OpenRasta -->
        <httpHandlers>
            <add verb="*" path="*.rastahook" type="OpenRasta.Hosting.AspNet.OpenRastaHandler, OpenRasta.Hosting.AspNet, Version=2.0.1.0, Culture=neutral"/>
        </httpHandlers>
        <httpModules>
            <add name="RastaModule" type="OpenRasta.Hosting.AspNet.OpenRastaModule, OpenRasta.Hosting.AspNet, Version=2.0.1.0, Culture=neutral"/>
        </httpModules>
    </system.web>

    <system.codedom>
        <compilers>
            <compiler language="c#;cs;csharp" extension=".cs" warningLevel="4" type="Microsoft.CSharp.CSharpCodeProvider, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" compilerOptions="/warnaserror-">
                <providerOption name="CompilerVersion" value="v4.0"/>
                <providerOption name="WarnAsError" value="false"/>
            </compiler>
        </compilers>
    </system.codedom>

    <!-- iis7 config -->
    <system.webServer>
        <validation validateIntegratedModeConfiguration="false"/>

        <!-- hook into OpenRasta -->
        <modules>
            <add name="OpenRastaModule" type="OpenRasta.Hosting.AspNet.OpenRastaModule, OpenRasta.Hosting.AspNet"/>
        </modules>
        <handlers>
            <add name="OpenRastaHandler" verb="*" path="*.rastahook" type="OpenRasta.Hosting.AspNet.OpenRastaHandler, OpenRasta.Hosting.AspNet, Version=2.0.1.0, Culture=neutral"/>
        </handlers>
    </system.webServer>
</configuration>