How to adjust Cache-Control for SSI-including entities

[Jan Algermissen]

On 19 Jan 2015, at 21:38, Francis Daly <francis at daoine.org> wrote:

> On Mon, Jan 19, 2015 at 08:44:33PM +0100, Jan Algermissen wrote:
> 
> Hi there,
> 
>> upstream U1 produces the main page (the one containing SSI include directives) and wants nginx to cache its response (the page with the unresolved SSI include directives). Thus U1 sends the main page with Cache-Control: max-age=60.
> 
>> In addition I of course want nginx to strip/adjust the Cache-Control / max-age when the assembled page is sent to the client.
> 
> Completely untested, but, depending on how you connect to upstream, does
> "proxy_hide_header" or "proxy_ignore_headers" do what you want?

Do you have any idea, how I can then best re-add the header? The case came up that clients need an explicit Cache-Control: no-cache (to ensure reload of the page when hitting the back button …)

Jan





> 
> 	f
> -- 
> Francis Daly        francis at daoine.org
> 
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