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e136bd12a3
This kind of requests is now forbidden and rejected with a 413-Payload-Too-Large error. It is unexpected to have a payload for GET/HEAD/DELETE requests. It is explicitly allowed in HTTP/1.1 even if some servers may reject such requests. However, HTTP/1.0 is not clear on this point and some old servers don't expect any payload and never look for body length (via Content-Length or Transfer-Encoding headers). It means that some intermediaries may properly handle the payload for HTTP/1.0 GET/HEAD/DELETE requests, while some others may totally ignore it. That may lead to security issues because a request smuggling attack is possible. To prevent any issue, those requests are now rejected. See also httpwg/http-core#904
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)