[kh_heckfy]

<configuration>
  <system.web>
    <compilation debug="true" targetFramework="4.0" />
    <authentication mode="Windows" >
    </authentication>
    <anonymousIdentification enabled="false"/>
    <authorization>
      <deny users="?"/>
    </authorization>
  </system.web>
</configuration>

ну вот весь мой конфиг...