VTK-2997 - cache boolean flag if protocol admin is on HTTP (to be removed when everything is HTTPS)
VTK-2997 - cache boolean flag if protocol admin is on HTTP (to be removed when everything is HTTPS)

vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk