Why refreshing a page in Internet Explorer reloads cached proxy content
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Technical reference for Why refreshing a page in Internet Explorer reloads cached proxy content.
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The original article references Internet Explorer. It is retained for historical or version-specific use. Confirm applicability to the target product and version before using the procedure.
MS IE adds a "Pragma: no-cache" header to the GET request. The proxy can be configured to ignore this within the http profile but by default will refresh its cached content on receipt of this header.