The usage of the pragma header within the response is usually a wives tale. RFC2616 only defines it like a ask for header The approved remedy is suitable in which headers needs to be established, although not in how they have to be set. Using this method works with IIS7: https://relaciones-de-pareja31986.bloggactif.com/37829513/the-smart-trick-of-camión-pluma-con-seguro-de-carga-sevilla-that-nobody-is-discussing