# oslo.middleware

Oslo middleware library includes components that can be injected into wsgi pipelines to intercept request/response flows. The base class can be enhanced with functionality like add/delete/modification of http headers and support for limiting size/connection etc.

- Free software: Apache license

- Documentation: https://docs.openstack.org/oslo.middleware/latest/

- Source: https://opendev.org/openstack/oslo.middleware

- Bugs: https://bugs.launchpad.net/oslo.middleware

- Release notes: https://docs.openstack.org/releasenotes/oslo.middleware/

## Contents

- Installation
- Contributing
- Middlewares and configuration
  - Configuration from the application
  - Configuration with paste-deploy and the oslo.config
  - Configuration with pastedeploy only
- Cross-project features
  - Cross-origin resource sharing
- oslo.middleware Reference
  - API
  - CORS Middleware
  - Healthcheck middleware plugins
- Glossary
  - C

## Release Notes

Read also the oslo.middleware Release Notes.

this page last updated: 2026-07-14 20:24:58

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