Deny caching on mime-type

[Hauke Lampe]

On 23.03.2012 11:29, Shibashish wrote:

> I have a IIS back-end server which serves a aspx file Content-Type as
> text/html or text/vnd.wap.wml depending on the browser request, i.e it
> serves Content-Type text/vnd.wap.wml to a wap-browser, but serves
> Content-Type text/html to chrome/firefox/ie.
> 
> How do I ask varnish not to cache based on mime-tyme text/vnd.wap.wml ?

You shouldn't. Have IIS add a "Vary: User-Agent" header, so that varnish
caches the different versions.

You might want to normalize the User-Agent header in vcl_recv() to
reduce the number of variants and improve cache efficiency, but that's
not strictly necessary.

Hauke.


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