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["Davanum Srinivas \(DIMS\)" <davanum@xxxxxxxxx>]

** Changed in: nova
       Status: Confirmed => Won't Fix

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https://bugs.launchpad.net/bugs/1284741

Title:
  EC2 metadata service doesn't account for request forwarding when using
  neutron metadata-proxy

Status in ec2-api:
  Confirmed
Status in OpenStack Compute (nova):
  Won't Fix

Bug description:
  When an EC2 metadata request is received via the neutron metadata
  proxy Nova assumes that the X-Forwarded-For item in teh header is the
  address of the instance:

  https://github.com/openstack/nova/blob/master/nova/api/metadata/handler.py#L149

  In fact depending on the network path this could be a comma separated
  list of of addresses, only the first element of which is the address
  of the instance.

  The correct handling should be something like:

  remote_address = req.headers.get('X-Forwarded-For').split(',')[0]

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