In the screenshot you provide of the HTTP Listener on port 4443 Virtual Directories, I only see the /describe having been created, and if I do just that then I get the The requested active content cannot be displayed due to execution restriction you report.
In order to get around the error I also cloned the Faceted Browser (fct) Virtual Directories from the default HTTP Listener Virtual Domain, which the /describe service is dependant on ie
/fct
/fct/search
/fct/service
/fct/soap
Then the /describe pages loaded successfully …