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From Richard Frovarp <>
Subject Re: Cache-Control headers not being added to secure requests
Date Tue, 16 Aug 2011 21:02:17 GMT
On 08/16/2011 03:57 PM, Christopher Schultz wrote:
> Hash: SHA1
> Michael,
> On 8/16/2011 4:42 PM, Zampani, Michael wrote:
>> I don't understand why it was ever present, though.  Does anybody
>> know why you wouldn't want these headers on secure requests?
> The svn comment says " reduce the likelihood of issues when
> downloading files with IE.". Presumably, [MS]IE has "issues" with
> downloading files with those response headers.

Some versions of MSIE have problems downloading files depending on the 
cache-control header. We've seen this with our course management system. 
 From what I've seen IE doesn't download files, it caches them, then 
copies them into place on the filesystem. But due to the cache control 
headers, it couldn't copy the cached file because it wasn't allowed to, 
causing trouble.

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