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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

** Changed in: nova
       Status: Fix Committed => Fix Released

** Changed in: nova
    Milestone: None => kilo-3

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https://bugs.launchpad.net/bugs/1422315

Title:
  novncproxy fails to establish a VNC connection, if a reverse DNS look
  up times out

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  If DNS is configured on a node in a way, so that reverse DNS look ups
  time out, noVNC will fail to connect to an instance with 'Connect
  timeout' error.
      
  The reverse DNS look up is done implicitly in BaseHTTPRequestHandler
  (part of standard library), when logging a request. It's not
  configurable, so the only way to disable it is to override the method
  of the base class (https://github.com/python/cpython/blob/2.6/Lib/BaseHTTPServer.py#L487).
      
  This is only true for the standard http server (used for novncproxy),
  as the eventlet implementation (used for xvpvncproxy) seems to use
  plain IP addresses without any reverse DNS look ups.

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