Go to Nosto

In your VCL file you will need to explicitly exclude the nosto and refSrc  query parameters from the URL. You can do so by adding the following line into the vcl_recv block:

set req.url = regsuball(req.url, "nosto=[-_A-z0-9+()%.]+&?", "");
set req.url = regsuball(req.url, "refSrc=[-_A-z0-9+()%.]+&?", "");

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