HAProxy 2.8.10 was released on 2024/06/14. It added 80 new commits after
version 2.8.9.

This version is part of the serie of new stable releases which follows the new
3.0. Here is a summary of the most notable changes.

Several fixes are applied for better HTTP conformance. In some cases, 502
server initial errors were incorrectly hidden and are now properly logged.
CONNECT requests with a scheme are now rejected as they are invalid according
to RFC 7230. Empty paths are normalized to "/" for aboslute-form URI.

Dynamic servers testing under heavy load have been performed during 3.0
development cycle. This revealed that crashes could occur due to the removal of
a server currently in used. Removal conditions were thus adjusted to reject
such operation. Also, some settings were not completely initialized for dynamic
servers which cause a difference of behavior with static ones.

Still on the backend side, an issue was found when NTLM headers are used. This
caused the backend connection to be marked dynamically as private to prevent
HTTP reuse. However, this is conceptually wrong when using HTTP/2 multiplexer
on the backend side with http-reuse mode set to aggressive or higher, as this
connection can already be shared accross several clients. Thus, NTLM headers
are simply ignored in this case.

Minor fixes were merged for QUIC. Most of them are related to improve the
LibreSSL compatibility. Other than that, error handling was improved to report
more specific error codes from the different layers of QUIC multiplexer, HTTP/3
or QPACK decoder.

For the SSL stack, a few fixes were done, in particular for better OCSP
support. Also, cipher algorithm negotiation was adjusted as haproxy could have
chosen an ECDSA certificate even if not compatible with client algorithms
instead of fallback to RSA.

A bug was fixed for the peer applet where a blocking condition could occured
when reaching max-updates-at-once limit.

Cache hits should be increased as previously cached HTTP responses which used
Vary header on anything other than Accept-encoding but with Encoding header
present were never returned from the cache.

It is now possible to disable seamless reload on master-worker mode by using
the argument '-x /dev/null'. This may be necessary for some usage since the
introduction of automatic seamless reload for master-worker mode.

An interesting security feature was backported to block traffic with clients
which use privileged port as their source port value. Such behavior is highly
suspect as it is often the sign of an amplification attack. This can be
activated using harden.reject-privileged-ports.{tcp|quic} keywords. Note that
on 3.0, we chose to set it by default for QUIC. However, it remains disabled on
2.9 and lesser versions to keep the current behavior on stable haproxy
branches, but users are free to activate it if needed. It is particularly
useful when QUIC listeners are active to prevent DNS/NTP amplification attack.
However, on TCP this protection may break some protocols such as FTP.

Not so much on the SPOE front. A single bug-fix is merged which allowed applet
to retry later when reaching buffer exhaustion instead of returning a definite
I/O error.

On the LUA side, a serie of cleanups and minor bugfixes are merged. Most of
them are relevant to error handling which may improve script debugging. Also a
crash was fixed when using CacheCert module from init context.

The CLI applet now reports a proper error message when command larger than
buffer size is rejected. Previously, the CLI connection was silently closed
without further information.

A Solaris user reported that external checks were causing an infinite loop. In
fact, this was due to a wrong signal handling in evports, Solaris polling
mechanism, present since its first introduction in haproxy.

Thanks to everyone who contributed to this release.

Please find the usual URLs below :
   Site index       : https://www.haproxy.org/
   Documentation    : https://docs.haproxy.org/
   Wiki             : https://github.com/haproxy/wiki/wiki
   Discourse        : https://discourse.haproxy.org/
   Slack channel    : https://slack.haproxy.org/
   Issue tracker    : https://github.com/haproxy/haproxy/issues
   Sources          : https://www.haproxy.org/download/2.8/src/
   Git repository   : https://git.haproxy.org/git/haproxy-2.8.git/
   Git Web browsing : https://git.haproxy.org/?p=haproxy-2.8.git
   Changelog        : https://www.haproxy.org/download/2.8/src/CHANGELOG
   Dataplane API    : 
   Pending bugs     : https://www.haproxy.org/l/pending-bugs
   Reviewed bugs    : https://www.haproxy.org/l/reviewed-bugs
   Code reports     : https://www.haproxy.org/l/code-reports
   Latest builds    : https://www.haproxy.org/l/dev-packages

Complete changelog :
Amaury Denoyelle (14):
      BUG/MINOR: backend: use cum_sess counters instead of cum_conn
      BUG/MINOR: mux-quic: fix error code on shutdown for non HTTP/3
      BUG/MINOR: qpack: fix error code reported on QPACK decoding failure
      BUG/MINOR: connection: parse PROXY TLV for LOCAL mode
      MEDIUM: config: prevent communication with privileged ports
      BUG/MINOR: quic: adjust restriction for stateless reset emission
      DOC: quic: specify that connection migration is not supported
      BUG/MINOR: quic: prevent crash on qc_kill_conn()
      BUG/MEDIUM: server: fix dynamic servers initial settings
      BUG/MEDIUM: quic: fix connection freeze on post handshake
      MINOR: session: rename private conns elements
      BUG/MAJOR: server: do not delete srv referenced by session
      BUG/MEDIUM: http_ana: ignore NTLM for reuse aggressive/always and no H1
      BUG/MAJOR: connection: fix server used_conns with H2 + reuse safe

Aurelien DARRAGON (16):
      BUG/MINOR: log: fix lf_text_len() truncate inconsistency
      BUG/MINOR: tools/log: invalid encode_{chunk,string} usage
      BUG/MINOR: log: invalid snprintf() usage in sess_build_logline()
      CLEANUP: log: lf_text_len() returns a pointer not an integer
      DOC: lua: fix filters.txt file location
      MINOR: log: add dup_logsrv() helper function
      BUG/MINOR: log: keep the ref in dup_logger()
      BUG/MINOR: log: smp_rgs array issues with inherited global log directives
      BUG/MEDIUM: fd: prevent memory waste in fdtab array
      BUG/MINOR: hlua: use CertCache.set() from various hlua contexts
      CLEANUP: hlua: use hlua_pusherror() where relevant
      BUG/MINOR: hlua: don't use lua_pushfstring() when we don't expect LJMP
      BUG/MINOR: hlua: fix unsafe hlua_pusherror() usage
      BUG/MINOR: hlua: prevent LJMP in hlua_traceback()
      BUG/MINOR: hlua: fix leak in hlua_ckch_set() error path
      CLEANUP: hlua: simplify ambiguous lua_insert() usage in hlua_ctx_resume()

Christopher Faulet (15):
      BUG/MINOR: cli: Report an error to user if command or payload is too big
      BUG/MEDIUM: http-ana: Deliver 502 on keep-alive for fressh server 
      BUG/MINOR: http-ana: Fix TX_L7_RETRY and TX_D_L7_RETRY values
      BUG/MEDIUM: stconn: Don't forward channel data if input data must be 
      BUG/MEDIUM: applet: Fix applet API to put input data in a buffer
      BUG/MEDIUM: spoe: Always retry when an applet fails to send a frame
      BUG/MEDIUM: peers: Fix exit condition when max-updates-at-once is reached
      BUG/MINOR: stconn: Fix sc_mux_strm() return value
      BUG/MINOR: h1: Check authority for non-CONNECT methods only if a scheme 
is found
      BUG/MEDIUM: h1: Reject CONNECT request if the target has a scheme
      BUG/MINOR: htpp-ana/stats: Specify that HTX redirect messages have a C-L 
      BUG/MINOR: stats: Don't state the 303 redirect response is chunked
      BUG/MEDIUM: mux-quic: Create sedesc in same time of the QUIC stream
      BUG/MINOR: http-htx: Support default path during scheme based 
      BUG/MINOR: server: Don't reset resolver options on a new default-server 

Damien Claisse (1):
      BUG/MINOR: server: fix slowstart behavior

Frederic Lecaille (3):
      MINOR: net_helper: Add support for floats/doubles.
      BUG/MEDIUM: grpc: Fix several unaligned 32/64 bits accesses
      BUG/MAJOR: quic: Crash with TLS_AES_128_CCM_SHA256 (libressl only)

Ilia Shipitsin (1):
      BUILD: clock: improve check for pthread_getcpuclockid()

Ilya Shipitsin (1):
      CI: revert kernel addr randomization introduced in 3a0fc864

Remi Tricot-Le Breton (1):
      BUG/MEDIUM: cache: Vary not working properly on anything other than 

Valentine Krasnobaeva (4):
      BUG/MINOR: haproxy: only tid 0 must not sleep if got signal
      CLEANUP: ssl/ocsp: readable ifdef in ssl_sock_load_ocsp
      BUG/MINOR: ssl/ocsp: init callback func ptr as NULL
      BUG/MINOR: activity: fix Delta_calls and Delta_bytes count

William Lallemand (4):
      BUG/MINOR: mworker: reintroduce way to disable seamless reload with -x 
      CLEANUP: ssl/cli: remove unused code in dump_crtlist_conf
      DOC: configuration: update the crt-list documentation
      BUG/MEDIUM: ssl: wrong priority whem limiting ECDSA ciphers in ECDSA+RSA 

Willy Tarreau (20):
      BUG/MINOR: listener: always assign distinct IDs to shards
      BUG/MINOR: debug: make sure DEBUG_STRICT=0 does work as documented
      BUG/MEDIUM: peers/trace: fix crash when listing event types
      BUG/MEDIUM: evports: do not clear returned events list on signal
      BUG/MINOR: sock: handle a weird condition with connect()
      BUG/MINOR: fd: my_closefrom() on Linux could skip contiguous series of 
      BUG/MINOR: h1: fix detection of upper bytes in the URI
      BUG/MEDIUM: htx: mark htx_sl as packed since it may be realigned
      BUG/MEDIUM: stick-tables: properly mark stktable_data as packed
      BUILD: stick-tables: better mark the stktable_data as 32-bit aligned
      BUG/MEDIUM: quic_tls: prevent LibreSSL < 4.0 from negotiating 
      BUILD: quic: fix unused variable warning when threads are disabled
      DOC: config: fix incorrect section reference about custom log format
      REGTESTS: acl_cli_spaces: avoid a warning caused by undefined logs
      CI: scripts: fix build of vtest regarding option -C
      BUILD: fd: errno is also needed without poll()
      BUG/MINOR: cfgparse: remove the correct option on httpcheck send-state 
      BUG/MINOR: tcpcheck: report correct error in tcp-check rule parser
      BUG/MINOR: tools: fix possible null-deref in env_expand() on out-of-memory
      BUG/MEDIUM: quic: don't blindly rely on unaligned accesses


Amaury Denoyelle

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