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2c29d1f524
There are several misuses in peers sections that are not detected during the configuration parsing and that could lead to undefined behaviors or crashes. First, only one listener is expected for a peers section. If several bind lines or local peer definitions are used, an error is triggered. However, if multiple addresses are set on the same bind line, there is no error while only the last listener is properly configured. On the 2.8, there is no crash but side effects are hardly predictable. On older version, HAProxy crashes if an unconfigured listener is used. Then, there is no check on remote peers name. It is unexpected to have same name for several remote peers. There is now a test, performed during the post-parsing, to verify all remote peer names are unique. Finally, server parsing options for the peers sections are changed to be sure a port is always defined, and not a port range or a port offset. This patch fixes the issue #2066. It could be backported to all stable versions. |
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The HAProxy documentation has been split into a number of different files for ease of use. 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)