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HAProxy - Load balancer
fcfabd0d90
Released version 3.4-dev6 with the following main changes :
- CLEANUP: acme: remove duplicate includes
- BUG/MINOR: proxy: detect strdup error on server auto SNI
- BUG/MINOR: server: set auto SNI for dynamic servers
- BUG/MINOR: server: enable no-check-sni-auto for dynamic servers
- MINOR: haterm: provide -b and -c options (RSA key size, ECDSA curves)
- MINOR: haterm: add long options for QUIC and TCP "bind" settings
- BUG/MINOR: haterm: missing allocation check in copy_argv()
- BUG/MINOR: quic: fix counters used on BE side
- MINOR: quic: add BUG_ON() on half_open_conn counter access from BE
- BUG/MINOR: quic/h3: display QUIC/H3 backend module on HTML stats
- BUG/MINOR: acme: acme_ctx_destroy() leaks auth->dns
- BUG/MINOR: acme: wrong labels logic always memprintf errmsg
- MINOR: ssl: clarify error reporting for unsupported keywords
- BUG/MINOR: acme: fix incorrect number of arguments allowed in config
- CLEANUP: haterm: remove unreachable labels hstream_add_data()
- CLEANUP: haterm: avoid static analyzer warnings about rand() use
- CLEANUP: ssl: Remove a useless variable from ssl_gen_x509()
- CI: use the latest docker for QUIC Interop
- CI: remove redundant "halog" compilation
- CLENAUP: cfgparse: accept-invalid-http-* does not support "no"/"defaults"
- BUG/MEDIUM: spoe: Acquire context buffer in applet before consuming a frame
- MINOR: traces: always mark trace_source as thread-aligned
- MINOR: ncbmbuf: improve itbmap_next() code
- MINOR: proxy: improve code when checking server name conflicts
- MINOR: quic: add a new metric for ncbuf failures
- BUG/MINOR: haterm: cannot reset default "haterm" mode
- BUG/MEDIUM: cpu-topo: Distribute CPUs fairly across groups
- BUG/MINOR: quic: missing app ops init during backend 0-RTT sessions
- CLEANUP: ssl: remove outdated comments
- MINOR: mux-h2: also count glitches on invalid trailers
- MINOR: mux-h2: add a new setting, "tune.h2.log-errors" to tweak error logging
- BUG/MEDIUM: mux-h2: make sure to always report pending errors to the stream
- BUG/MINOR: server: adjust initialization order for dynamic servers
- CLEANUP: tree-wide: drop a few useless null-checks before free()
- CLEANUP: quic-stats: include counters from quic_stats
- REORG: stats/counters: move extra_counters to counters not stats
- CLEANUP: stats: drop stats.h / stats-t.h where not needed
- MEDIUM: counters: change the fill_stats() API to pass the module and extra_counters
- CLEANUP: counters: only retrieve zeroes for unallocated extra_counters
- MEDIUM: counters: add a dedicated storage for extra_counters in various structs
- MINOR: counters: store a tgroup step for extra_counters to access multiple tgroups
- MEDIUM: counters: store the number of thread groups accessing extra_counters
- MINOR: counters: add EXTRA_COUNTERS_BASE() to retrieve extra_counters base storage
- MEDIUM: counters: return aggregate extra counters in ->fill_stats()
- MEDIUM: counters: make EXTRA_COUNTERS_GET() consider tgid
- BUG/MINOR: call EXTRA_COUNTERS_FREE() before srv_free_params() in srv_drop()
- MINOR: promex: test applet resume in stress mode
- BUG/MINOR: promex: fix server iteration when last server is deleted
- BUG/MINOR: proxy: add dynamic backend into ID tree
- MINOR: proxy: convert proxy flags to uint
- MINOR: server: refactor srv_detach()
- MINOR: proxy: define a basic "del backend" CLI
- MINOR: proxy: define proxy watcher member
- MINOR: stats: protect proxy iteration via watcher
- MINOR: promex: use watcher to iterate over backend instances
- MINOR: lua: use watcher for proxies iterator
- MINOR: proxy: add refcount to proxies
- MINOR: proxy: rename default refcount to avoid confusion
- MINOR: server: take proxy refcount when deleting a server
- MINOR: lua: handle proxy refcount
- MINOR: proxy: prevent backend removal when unsupported
- MINOR: proxy: prevent deletion of backend referenced by config elements
- MINOR: proxy: prevent backend deletion if server still exists in it
- MINOR: server: mark backend removal as forbidden if QUIC was used
- MINOR: cli: implement wait on be-removable
- MINOR: proxy: add comment for defaults_px_ref/unref_all()
- MEDIUM: proxy: add lock for global accesses during proxy free
- MEDIUM: proxy: add lock for global accesses during default free
- MINOR: proxy: use atomic ops for default proxy refcount
- MEDIUM: proxy: implement backend deletion
- REGTESTS: add a test on "del backend"
- REGTESTS: complete "del backend" with unnamed defaults ref free
- BUG/MINOR: hlua: fix return with push nil on proxy check
- BUG/MEDIUM: stream: Handle TASK_WOKEN_RES as a stream event
- MINOR: quic: use signed char type for ALPN manipulation
- MINOR: quic/h3: reorganize stream reject after MUX closure
- MINOR: mux-quic: add function for ALPN to app-ops conversion
- MEDIUM: quic/mux-quic: adjust app-ops install
- MINOR: quic: use server cache for ALPN on BE side
- BUG/MEDIUM: hpack: correctly deal with too large decoded numbers
- BUG/MAJOR: qpack: unchecked length passed to huffman decoder
- BUG/MINOR: qpack: fix 1-byte OOB read in qpack_decode_fs_pfx()
- BUG/MINOR: quic: fix OOB read in preferred_address transport parameter
- BUG/MEDIUM: qpack: correctly deal with too large decoded numbers
- BUG/MINOR: hlua: Properly enable/disable line receives from HTTP applet
- BUG/MEDIUM: hlua: Fix end of request detection when retrieving payload
- BUG/MINOR: hlua: Properly enable/disable receives for TCP applets
- MINOR: htx: Add a function to retrieve the HTTP version from a start-line
- MINOR: h1-htx: Reports non-HTTP version via dedicated flags
- BUG/MINOR: h1-htx: Be sure that H1 response version starts by "HTTP/"
- MINOR: http-ana: Save the message version in the http_msg structure
- MEDIUM: http-fetch: Rework how HTTP message version is retrieved
- MEDIUM: http-ana: Use the version of the opposite side for internal messages
- DEBUG: stream: Display the currently running rule in stream dump
- MINOR: filters: Use filter API as far as poissible to break loops on filters
- MINOR: filters: Set last_entity when a filter fails on stream_start callback
- MINOR: stream: Display the currently running filter per channel in stream dump
- DOC: config: Use the right alias for %B
- BUG/MINOR: channel: Increase the stconn bytes_in value in channel_add_input()
- BUG/MINOR: sample: Fix sample to retrieve the number of bytes received and sent
- BUG/MINOR: http-ana: Increment scf bytes_out value if an haproxy error is sent
- BUG/MAJOR: fcgi: Fix param decoding by properly checking its size
- BUG/MAJOR: resolvers: Properly lowered the names found in DNS response
- BUG/MEDIUM: mux-fcgi: Use a safe loop to resume each stream eligible for sending
- MINOR: mux-fcgi: Use a dedicated function to resume streams eligible for sending
- CLEANUP: qpack: simplify length checks in qpack_decode_fs()
- MINOR: counters: Introduce COUNTERS_UPDATE_MAX()
- MINOR: listeners: Update the frequency counters separately when needed
- MINOR: proxies: Update beconn separately
- MINOR: stats: Add an option to disable the calculation of max counters
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HAProxy
HAProxy is a free, very fast and reliable reverse-proxy offering high availability, load balancing, and proxying for TCP and HTTP-based applications.
Installation
The INSTALL file describes how to build HAProxy. A list of packages is also available on the wiki.
Getting help
The discourse and the mailing-list are available for questions or configuration assistance. You can also use the slack or IRC channel. Please don't use the issue tracker for these.
The issue tracker is only for bug reports or feature requests.
Documentation
The HAProxy documentation has been split into a number of different files for ease of use. It is available in text format as well as HTML. The wiki is also meant to replace the old architecture guide.
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)
License
HAProxy is licensed under GPL 2 or any later version, the headers under LGPL 2.1. See the LICENSE file for a more detailed explanation.