IE9 createInfoReceiver does not use iframe proxy when page is http and SockJS url is https

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Debby Mendez

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Apr 18, 2014, 5:35:38 PM4/18/14

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Because of #7 here:

http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx

an http page cannot use XDomainRequest except using an iframe proxy.

But I find that in IE9 when I open a SockJS connection to an https url from an http page, createInfoReceiver gets a 2 from utils.isXHRCorsCapable() and does NOT proxy the info request.