check machine.config
<add verb="*" path="*.vsdisco" 
type="System.Web.Services.Discovery.DiscoveryRequestHandler
, System.Web.Services, Version=1.0.3300.0, 
Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" 
validate="false"/>
seehttp://msdn.microsoft.com/msdnmag/issues/02/08/XMLFiles/default.aspx
http://msdn.microsoft.com/library/en-us/dv_vstechart/html/vbtchSecurityConcernsForVisualBasicNETProgrammers.asp?frame=true#vbtchsecurityconcernsforvisualbasicnetprogrammersanchor10

解决方案 »

  1.   

    check machine.config
    <add verb="*" path="*.vsdisco" 
    type="System.Web.Services.Discovery.DiscoveryRequestHandler
    , System.Web.Services, Version=1.0.3300.0, 
    Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" 
    validate="false"/>
    seehttp://msdn.microsoft.com/msdnmag/issues/02/08/XMLFiles/default.aspx
    http://msdn.microsoft.com/library/en-us/dv_vstechart/html/vbtchSecurityConcernsForVisualBasicNETProgrammers.asp?frame=true#vbtchsecurityconcernsforvisualbasicnetprogrammersanchor10