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Willy Tarreau dd49f1ee62 BUG/MINOR: listener: really assign distinct IDs to shards 
A fix was made in 3.0 for the case where sharded listeners were using
a same ID with commit 0db8b6034d ("BUG/MINOR: listener: always assign
distinct IDs to shards"). However, the fix is incorrect. By checking the
ID of temporary node instead of the kept one in bind_complete_thread_setup()
it ends up never inserting the used nodes at this point, thus not reserving
them. The side effect is that assigning too close IDs to subsequent
listeners results in the same ID still being assigned twice since not
reserved. Example:

   global
       nbthread 20

   frontend foo
       bind :8000 shards by-thread id 10
       bind :8010 shards by-thread id 20

The first one will start a series from 10 to 29 and the second one a
series from 20 to 39. But 20 not being inserted when creating the shards,
it will remain available for the post-parsing phase that assigns all
unassigned IDs by filling holes, and two listeners will have ID 20.

By checking the correct node, the problem disappears. The patch above
was marked for backporting to 2.6, so this fix should be backported that
far as well.
2025-07-09 15:52:33 +02:00
.github CI: github: skip a ssl library version when latest is already in the list 2025-07-07 19:46:07 +02:00
addons BUILD/MEDIUM: deviceatlas: fix when installed in custom locations. 2025-07-03 09:08:06 +02:00
admin CLEANUP: assorted typo fixes in the code and comments 2024-09-03 17:49:21 +02:00
dev BUILD: dev/phash: remove the accidentally committed a.out file 2025-07-02 10:55:13 +02:00
doc MEDIUM: resolvers: switch dns-accept-family to "auto" by default 2025-07-08 07:54:45 +02:00
examples MINOR: mailers: warn if mailers are configured but not actually used 2025-06-27 16:41:18 +02:00
include BUG/MINOR: resolvers: don't lower the case of binary DNS format 2025-07-08 07:54:45 +02:00
reg-tests MINOR: proto-tcp: Register a feature to report TCP MD5 signature support 2025-07-09 09:51:24 +02:00
scripts SCRIPTS: drop the HTML generation from announce-release 2025-06-26 18:02:16 +02:00
src BUG/MINOR: listener: really assign distinct IDs to shards 2025-07-09 15:52:33 +02:00
tests TESTS: Fix build for filltab25.c 2025-04-03 15:59:41 +02:00
.cirrus.yml CI: cirrus-ci: bump FreeBSD image to 14-2 2025-02-12 13:18:55 +01:00
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CHANGELOG [RELEASE] Released version 3.3-dev2 2025-06-26 18:26:45 +02:00
CONTRIBUTING CLEANUP: assorted typo fixes in the code and comments 2025-04-02 11:12:20 +02:00
INSTALL MINOR: version: mention that it's development again 2025-05-28 16:46:15 +02:00
LICENSE
MAINTAINERS MAJOR: spoe: Let the SPOE back into the game 2024-05-22 09:04:38 +02:00
Makefile MEDIUM: httpclient: split the CLI from the actual httpclient API 2025-07-01 15:46:04 +02:00
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VERDATE [RELEASE] Released version 3.3-dev2 2025-06-26 18:26:45 +02:00
VERSION [RELEASE] Released version 3.3-dev2 2025-06-26 18:26:45 +02:00

README.md

HAProxy

alpine/musl AWS-LC openssl no-deprecated Illumos NetBSD FreeBSD VTest

HAProxy logo

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:

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.