- Fix for the Jiggle Attack. The server is fixed to answer

with errors for error cases, and does not stay silent.
  In addition, the error replies do not contain parts of the
  incoming query. This is more conformant, stops reflection
  and stops it as a covert channel. Thanks to Yuqi Qiu and
  Xiang Li, Nankai University (AOSP Lab) for the report.
  In addition, thanks to Qifan Zhang, Palo Alto Networks, for
  noting the fingerprinting possibility, that is also fixed
  with this.