William Lallemand ad87ab1f2e DOC: configuration: document challenge-ready and dns-delay options for ACME
Add documentation for two new directives in the acme section:

- challenge-ready: configures the conditions that must be satisfied
  before notifying the ACME server that a dns-01 challenge is ready.
  Accepted values are cli, dns and none. cli waits for an operator
  to signal readiness via the "acme challenge_ready" CLI command. dns
  performs a DNS pre-check against the "default" resolvers section,
  not the authoritative name servers. When both are combined, HAProxy
  waits for the CLI confirmation before triggering the DNS check.

- dns-delay: configures the delay before the first DNS resolution
  attempt and between retries when challenge-ready includes dns.
  Default is 300 seconds.
2026-03-30 18:24:28 +02:00
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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