Disclaimer: We have read this question.
We have opened
- ssl.google-analytics.com
- www.google-analytics.com
- google-analytics.com
However we have the following problem:
(see the JSON response)
...also the next line has the following response:
What should we open / on our firewall in order to allow GAnalytics to work?
Note: We have an antivirus on our workstations. We use the latest Firefox with no extensions involved - we tried also in an incognito window; still the same problem. Also we cleared the browser' cache data.