Forwards to FederationHttp.urlVerdict().
FederationHttp.urlVerdict()
Says why a URL may not be dialled: only https, or http where the policy allows it.
the URL
{ why, errorCode }; errorCode is STS-FED-0112 for plain http refused in product mode and empty otherwise
{ why, errorCode }
errorCode
STS-FED-0112
Forwards to
FederationHttp.urlVerdict().