Hi Francis, thank you for your fast reply. I took a look at the header nginx response.
##### Header nginx ### Response Header ## Chrome HTTP/1.1 200 OK Server: nginx Date: Wed, 19 Oct 2016 09:54:07 GMT Content-Type: text/html;charset=UTF-8 Content-Length: 15991 Connection: keep-alive Content-Language: de-DE Vary: Accept-Encoding Content-Encoding: gzip X-Cache-Status: MISS ## Firefox HTTP/1.1 200 OK Server: nginx Date: Wed, 19 Oct 2016 09:53:50 GMT Content-Type: text/html;charset=UTF-8 Transfer-Encoding: chunked Connection: keep-alive Content-Language: de-DE Vary: Accept-Encoding Content-Encoding: gzip X-Cache-Status: MISS How can i have a look for the headers of upstream servers? For testing i had set "proxy_ignore_headers" to "X-Accel-Expires Expires Cache-Control Vary Set-Cookie X-Accel-Limit-Rate X-Accel-Buffering X-Accel-Charset" but there is no difference. best, Carsten Posted at Nginx Forum: https://forum.nginx.org/read.php?2,270324,270419#msg-270419 _______________________________________________ nginx mailing list nginx@nginx.org http://mailman.nginx.org/mailman/listinfo/nginx