I want to use appcmd to modify requestFiltering to let ".mdf" to be allowed. this is coming from applicationHost.config. <requestFiltering> ... <add fileExtension=".mdf" allowed="false" /> ... </requestFiltering> how to use appcmd command to change fileextension...

The following is my program, ' Connect to the WMI WebAdministration namespace. Set oWebAdmin = GetObject("winmgmts:root\WebAdministration") ' Get the default Web site. Set oSite = oWebAdmin.Get("Site.Name='Default Web Site'") ' Get the ISAPI-CGI restriction section...