5fda64e87e
On backend connection reuse, a hash is calculated from various parameters, to ensure the selected connection match the requested parameters. Notably, destination address is one of these parameters. However, it is only taken into account if using a transparent server (server address 0.0.0.0). This may cause issue where an incorrect connection is reused, which is not targetted to the correct destination address. This may be the case if a set-dst/set-dst-port is used with a transparent proxy (proxy option transparent). The fix is simple enough. Destination address is now always used as input to the connection reuse hash. This must be backported up to 2.6. Note that for reverse HTTP to work, it relies on the following patch, which ensures destination address remains NULL in this case. commit e94baf6ca71cb2319610baa74dbf17b9bc602b18 BUG/MINOR: rhttp: fix incorrect dst/dst_port values |
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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.