a6b32922fc
Thanks to the commit "MINOR: mux-h1: Don't remove custom "Content-Length: 0" header in 1xx and 204 messages", we are now sure that 1xx and 204 responses were sanitized during the parsing. So, if one of these headers are found in such responses when sent to the client, it means it was added by hand, via a "set-header" action for instance. In this context, we are able to make an exception for the "Content-Length: 0" header, and only this one with this value, to not break leagacy applications. So now, a user can force the "Content-Length: 0" header to appear in 1xx and 204 responses by adding the right action in hist configuration. "Transfer-Encoding" headers are still dropped as "Content-Length" headers with another value than 0. Note, that in practice, only 101 and 204 are concerned because other 1xx message are not subject to HTTP analysis. This patch should fix the issue #2888. There is no reason to backport it. But if we do so, the patch above must be backported too. |
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HAProxy
HAProxy is a free, very fast and reliable reverse-proxy offering high availability, load balancing, and proxying for TCP and HTTP-based applications.
Installation
The INSTALL file describes how to build HAProxy. A list of packages is also available on the wiki.
Getting help
The discourse and the mailing-list are available for questions or configuration assistance. You can also use the slack or IRC channel. Please don't use the issue tracker for these.
The issue tracker is only for bug reports or feature requests.
Documentation
The HAProxy documentation has been split into a number of different files for ease of use. It is available in text format as well as HTML. The wiki is also meant to replace the old architecture guide.
Please refer to the following files depending on what you're looking for:
- INSTALL for instructions on how to build and install HAProxy
- BRANCHES to understand the project's life cycle and what version to use
- LICENSE for the project's license
- CONTRIBUTING for the process to follow to submit contributions
The more detailed documentation is located into the doc/ directory:
- doc/intro.txt for a quick introduction on HAProxy
- doc/configuration.txt for the configuration's reference manual
- doc/lua.txt for the Lua's reference manual
- doc/SPOE.txt for how to use the SPOE engine
- doc/network-namespaces.txt for how to use network namespaces under Linux
- doc/management.txt for the management guide
- doc/regression-testing.txt for how to use the regression testing suite
- doc/peers.txt for the peers protocol reference
- doc/coding-style.txt for how to adopt HAProxy's coding style
- doc/internals for developer-specific documentation (not all up to date)
License
HAProxy is licensed under GPL 2 or any later version, the headers under LGPL 2.1. See the LICENSE file for a more detailed explanation.