On Sun, Jun 05, 2011 at 01:55:03AM -0400, pk899 wrote:
> Hi, from the documentation I understand that proxy_cache will NOT be
> activated for pages that have pragma to "no-cache" or Cache-control to
> "no-cache", or even Expires to an old date.
>
> I have the following in my Location settings:
>
> proxy_cache_bypass $http_pragma $http_authorization;
> proxy_no_cache $http_pragma $http_authorization;
>
>
> And this at the top of my PHP pages that I do not want cached, as they
> change often and for the logged in user:
>
>
> header("Cache-control: private, no-cache, must-revalidate");
> header("Expires: Mon, 24 Sep 1997 05:00:00 GMT"); # Past date
> header("Pragma: no-cache");

"Pragma: no-cache" sent from server side means nothing.
$http_pragma means client "Pragma" header.

> However, these pages are still being cached.
>
> Any insight on what I am missing?

nginx should not cache response with such Cache-Control and Expires.
Do you have proxy_ignore_header directive ?


--
Igor Sysoev

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