Ignore utm_* values with varnish?

[Mattias Geniar]

> Can I 'ignore' query string variables before pulling matching objects from the cache, but not actually remove them from the URL to the end-user?

The quickest ‘hack’ is to strip those parameters from the req.url, for a copy/paste’able example, please see here: https://github.com/mattiasgeniar/varnish-4.0-configuration-templates/blob/master/default.vcl#L111-L115 

Mattias