Mia Kanashi 418f0c0bbe BUG/MEDIUM: acme: skip doing challenge if it is already valid
If server returns an auth with status valid it seems that client
needs to always skip it, CA can recycle authorizations, without
this change haproxy fails to obtain certificates in that case.
It is also something that is explicitly allowed and stated
in the dns-persist-01 draft RFC.

Note that it would be better to change how haproxy does status polling,
and implements the state machine, but that will take some thought
and time, this patch is a quick fix of the problem.

See:
https://github.com/letsencrypt/boulder/issues/2125
https://github.com/letsencrypt/pebble/issues/133

This must be backported to 3.2 and later.
2026-03-27 14:41:11 +01:00
2021-09-16 09:14:14 +02:00
2026-03-20 10:14:59 +01:00
2026-03-20 10:14:59 +01:00
2026-03-20 10:14:59 +01:00

HAProxy

alpine/musl AWS-LC 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.

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