Pnp4nagios does NOT show Datasource dropdown list

Hi,
Our new Thruk server doesn’t show the “Datasource dropdown list” for pnp4nagios charts.
(This is the small dropdown list in the upper right corner of graph, where I can choose which unit would I like to see from Performance data, e.g Count, Percentage, etc.)
pnp4nagios_bad
This new server is getting data from logcache.

Old server (where pnpdata is located locally) shows it…
pnp4nagios_ok

Today I have checked it again, and this time with different browsers also!
It looks:

  • it is working WELL with INTERNET EXPLORER
  • and it is NOT OK with EDGE and FIREFOX
    Could it be some browser settings?!

It looks there are problem with cross-origin resource sharing!

I have enabled to access server A (mono) from Server B (moni) in apache config:
@mona:…/httpd/conf.d/pnp4nagios.conf
Header set Access-Control-Allow-Origin: https://moni.in.audi.vwg
Header set Access-Control-Allow-Credentials: true
Header set Access-Control-Allow-Headers: “X-Requested-With”

Br,
Taki