Skip to content
Latest commit 7210c60 @bertjwregeer bertjwregeer Merge pull request #121 from Pylons/feature/header_seatbelt
Disallow control characters (\n\r) in start_response's headers


Waitress is meant to be a production-quality pure-Python WSGI server with very acceptable performance. It has no dependencies except ones which live in the Python standard library. It runs on CPython on Unix and Windows under Python 2.6+ and Python 3.2+. It is also known to run on PyPy 1.6.0+ on UNIX. It supports HTTP/1.0 and HTTP/1.1.

For more information, see the "docs" directory of the Waitress package or .

Something went wrong with that request. Please try again.