message: [doc] added setting X-Forwarded-Proto to https behind reverse proxy with ssl encryption; fixes
diff: @@ -181,6 +181,11 @@ If the load balancer is inserting X-Forwarded-For/X-Forwarded-Proto headers, you
  should set `ENABLE_PROXY_FIX = True` in the superset config file to extract and use
  the headers.
  +In case that the reverse proxy is used for providing ssl encryption,
  +an explicit definition of the `X-Forwarded-Proto` may be required.
  +For the Apache webserver this can be set as follows: ::
  +
  + RequestHeader set X-Forwarded-Proto "https"
  Configuration
  -------------
  