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966a18e2b4
Commit f89ba27caa ("BUG/MEDIUM: mux-h1; Ignore headers modifications about
payload representation") introduced a regression. The Content-Length is no
longer sent to the server for requests without payload but with a
'Content-Lnegth' header explicitly set to 0, like POST request with no
payload. It is of course unexpected. In some cases, depending on the server,
such requests are considered as invalid and a 411-Length-Required is returned.
The above commit is not directly responsible for the bug, it only reveals a too
lax condition to skip the 'Content-Length' header of bodyless requests. We must
only skip this header if none was originally found, during the parsing.
This patch should fix the issue #2386. It must be backported to 2.9.
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)