xDataWebClient strange CORS issue

[wlandgraf (Wagner Landgraf)]

I understand this was solved by proper Apache configuration as you stated here?

CORS middleware with Apache module not working

Since this morning I was playing with Apache Header without seeing any of them. I found the guilty, it's the HTTP proxy security layer on our Enterprise Firewall (WatchGuard) A specific rule bypassing the HTTP proxy when requesting the API server enables to preserve header. Thanks Wagner