neutron/releasenotes/notes/add-metadata-rate-limiting-bf0c17a31f86ee16.yaml
Guillaume Espanel 5f4a41326d Add rate-limiting to metadata agents
Requests handled by the metadata-agents can now be rate-limited by
source-ip. This is done to protect the OpenStack control plane against
VMs querying the metadata endpoint in an overly enthusiastic way.

Co-authored-by: Miguel Lavalle <mlavalle@redhat.com>

Related-Bug: #1989199
Change-Id: I748ccfa8b50496dcbcbe41fd22f84249a4d46b11
2023-05-17 18:52:25 -05:00

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YAML

---
features:
- Neutron allows cloud administrators to limit the rate at which VMs query
the Nova metadata service in order to protect the OpenStack deployment
from DoS or misbehaved instances. This new feature can be configured in
the neutron.conf file. Please see the "Metadata service query rate
limiting" section under Neutron configuration in the documentation for
more details.