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A SRV record keeps a reference on the corresponding additional record, if any. But this additional record is also inserted in a separate linked-list into the dns response. The problems arise when obsolete additional records are released. The additional records list is purged but the SRV records always reference these objects, leading to an undefined behavior. Worst, this happens very quickly because additional records are never renewed. Thus, once received, an additional record will always expire. Now, the addtional record are only associated to a SRV record or simply ignored. And the last version is always used. This patch helps to fix the issue #841. It must be backported to 2.2.
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)