Benoit Chesneau e9a3f30a0f
fix: keep forwarded_allow_ips as strings for backward compatibility (#3459)
The CIDR network support added in 24.1.0 changed forwarded_allow_ips
and proxy_allow_ips from string lists to ipaddress.ip_network objects.
This broke external tools like uvicorn that expect strings.

This fix validates IP/CIDR format during config parsing but keeps the
string representation. Network objects are cached in Config methods
(forwarded_allow_networks() and proxy_allow_networks()) for efficient
IP checking without repeated conversions.

Also uses strict mode for ip_network validation to detect mistakes like
192.168.1.1/24 where host bits are set (should be 192.168.1.0/24).

Fixes #3458
2026-01-23 23:51:25 +01:00
2026-01-23 01:20:03 +01:00
2026-01-23 18:47:17 +01:00
2026-01-23 01:20:03 +01:00
2024-04-17 01:13:23 +02:00
2026-01-23 01:20:03 +01:00
2024-08-12 16:00:56 +02:00
2024-04-17 01:13:23 +02:00
2026-01-23 18:47:17 +01:00
2026-01-23 01:20:03 +01:00

Gunicorn
========

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Gunicorn 'Green Unicorn' is a Python WSGI HTTP Server for UNIX. It's a pre-fork
worker model ported from Ruby's Unicorn_ project. The Gunicorn server is broadly
compatible with various web frameworks, simply implemented, light on server
resource usage, and fairly speedy.

**New in v24**: Native ASGI support (beta) for async frameworks like FastAPI!

Quick Start
-----------

.. code-block:: bash

    pip install gunicorn
    gunicorn myapp:app --workers 4

For ASGI applications (FastAPI, Starlette):

.. code-block:: bash

    gunicorn myapp:app --worker-class asgi

Features
--------

- WSGI support for Django, Flask, Pyramid, and any WSGI framework
- **ASGI support** (beta) for FastAPI, Starlette, Quart
- uWSGI binary protocol for nginx integration
- Multiple worker types: sync, gthread, gevent, eventlet, asgi
- Graceful worker process management
- Compatible with Python 3.12+

Documentation
-------------

Full documentation at https://gunicorn.org

- `Quickstart <https://gunicorn.org/quickstart/>`_
- `Configuration <https://gunicorn.org/configure/>`_
- `Deployment <https://gunicorn.org/deploy/>`_
- `Settings Reference <https://gunicorn.org/reference/settings/>`_

Community
---------

- Report bugs on `GitHub Issues <https://github.com/benoitc/gunicorn/issues>`_
- Chat in `#gunicorn`_ on `Libera.chat`_
- See `CONTRIBUTING.md <CONTRIBUTING.md>`_ for contribution guidelines

License
-------

Gunicorn is released under the MIT License. See the LICENSE_ file for details.

.. _Unicorn: https://bogomips.org/unicorn/
.. _`#gunicorn`: https://web.libera.chat/?channels=#gunicorn
.. _`Libera.chat`: https://libera.chat/
.. _LICENSE: https://github.com/benoitc/gunicorn/blob/master/LICENSE
Description
gunicorn 'Green Unicorn' is a WSGI HTTP Server for UNIX, fast clients and sleepy applications.
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