domainA needs to securely access pages domainB via http link
and only siteA can access siteB
needs to be simple setup and must be able to add domainC domainD giving only these specified sites access to domainB
*i have used referrer auth but that is not secure
* easy setup and developer must be availalbe for future support if needed... or supply source so i can do whats needed if they are not available.