On Wed, Jun 16, 2010 at 07:41:39PM +0000, Ole Laursen wrote:

> Hi!
>
> Does anyone happen to have a snippet for removing a query parameter from the
> query string?
>
> I want to remove utm_source/gclid/... (added by Adwords and similar) from the
> URL used on the server, changing for instance /shop/?gclid=blabla to /shop/, so
> that nginx uses the cached version of /shop/ rather than generating a new page
> via the proxy backend.

There is no way to remove a parameter, however, you can to define
cache key without a query string at all or with predefined parameters only:

proxy_cache_key $proxy_host$uri;
or
proxy_cache_key $proxy_host$uri?$arg_one&$arg_two;


--
Igor Sysoev
http://sysoev.ru/en/

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