8d28c0e37b
This is another pre-requisite work for upcoming decompression filter. In this patch we implement the "filter-sequence" directive which can be used in proxy section (frontend,backend,listen) and takes 2 parameters The first one is the direction (request or response), the second one is a comma separated list of filter names previously declared on the proxy using the "filter" keyword. The main goal of this directive is to be able to instruct haproxy in which order the filters should be executed on request and response paths, especially if the ordering between request and response handling must differ, and without relying on the filter declaration ordering (within the proxy) which is used by default by haproxy. Another benefit of this feature is that it becomes possible to "ignore" a previously declared filter on the proxy. Indeed, when filter-sequence is defined for a given direction (request/response), then it will be used over the implicit filter ordering, but if a filter which was previously declared is not specified in the related filter-sequence, it will not be executed on purpose. This can be used as a way to temporarily disable a filter without completely removing its configuration. Documentation was updated (check examples for more info) |
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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.