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If a client sends a conditional request containing an If-Modified-Since header (and no If-None-Match header), we try to compare the date with the one stored in the cache entry (coming either from a Last-Modified head, or a Date header, or corresponding to the first response's reception time). If the request's date is earlier than the stored one, we send a "304 Not Modified" response back. Otherwise, the stored is sent (through a 200 OK response). This resolves GitHub issue #821.
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)