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Mortie Torabi fac5c39f5f
fix: implement parsing for Retry-After header according to RFC 7231 (#2830)
Co-authored-by: Fernandez Ludovic <ldez@users.noreply.github.com>
2026-01-30 20:36:46 +01:00
.github chore: update linter (#2785) 2026-01-08 17:33:57 +01:00
acme fix: implement parsing for Retry-After header according to RFC 7231 (#2830) 2026-01-30 20:36:46 +01:00
certcrypto fix: use IPs to define the main domain (#2817) 2026-01-28 18:41:23 +01:00
certificate fix: implement parsing for Retry-After header according to RFC 7231 (#2830) 2026-01-30 20:36:46 +01:00
challenge fix: implement parsing for Retry-After header according to RFC 7231 (#2830) 2026-01-30 20:36:46 +01:00
cmd fix: use IPs to define the main domain (#2817) 2026-01-28 18:41:23 +01:00
docs alidns: add line record option (#2814) 2026-01-25 14:51:12 +01:00
e2e chore: update pebble to v2.9.0 (#2763) 2025-12-19 02:27:38 +01:00
internal chore: move provider "manual" into a dedicated package (#2739) 2025-12-01 20:51:43 +01:00
lego tests: change the signature of the method BuildHTTPS (#2611) 2025-08-04 10:21:14 +00:00
log chore: update to go1.24 (#2566) 2025-07-08 17:23:52 +02:00
platform chore: update linter (#2699) 2025-10-30 13:02:35 +01:00
providers alidns: add line record option (#2814) 2026-01-25 14:51:12 +01:00
registration chore: update linter (#2699) 2025-10-30 13:02:35 +01:00
.dockerignore Automatic generation of documentation (#818) 2019-03-08 19:47:06 +01:00
.gitattributes chore: remove existing files before generating new files (#2676) 2025-10-18 16:46:55 +02:00
.gitcookies.enc Add workaround for go.googlesource.com rate limit 2016-03-22 01:46:32 +01:00
.gitignore Refactor the core of the lib (#700) 2018-12-06 22:50:17 +01:00
.golangci.yml chore: update workflows (#2741) 2025-12-05 16:45:51 +01:00
.goreleaser.yml chore: add major version tag for Docker images (#2709) 2025-11-08 13:38:05 +01:00
buildx.Dockerfile chore: update release workflow (#2657) 2025-09-29 18:06:38 +02:00
CHANGELOG.md Prepare release v4.31.0 2026-01-08 17:58:41 +01:00
CONTRIBUTING.md docs: improve contributing guide 2025-12-15 23:34:25 +01:00
Dockerfile chore: use buildx for cross-platform image builds 2023-02-26 14:27:16 +01:00
go.mod chore: update dependencies (#2783) 2026-01-08 17:33:11 +01:00
go.sum chore: update dependencies (#2783) 2026-01-08 17:33:11 +01:00
LICENSE chore: update license date 2024-10-10 22:11:07 +02:00
Makefile chore: update documentation theme (#2632) 2025-08-28 23:44:26 +02:00
README.md Add DNS provider for Bluecat v2 (#2791) 2026-01-19 17:31:56 +01:00

lego logo

Automatic Certificates and HTTPS for everyone.

Lego

Let's Encrypt client and ACME library written in Go.

Go Reference Build Status Docker Pulls

lego is an independent, free, and open-source project, if you value it, consider supporting it! ❤️

Everybody thinks that the others will donate, but in the end, nobody does.

So if you think that lego is worth it, please consider donating.

Features

  • ACME v2 RFC 8555
  • Comes with about 180 DNS providers
  • Register with CA
  • Obtain certificates, both from scratch or with an existing CSR
  • Renew certificates
  • Revoke certificates
  • Robust implementation of ACME challenges:
    • HTTP (http-01)
    • DNS (dns-01)
    • TLS (tls-alpn-01)
  • SAN certificate support
  • CNAME support by default
  • Custom challenge solvers
  • Certificate bundling
  • OCSP helper function

Installation

How to install.

Usage

Documentation

Documentation is hosted live at https://go-acme.github.io/lego/.

DNS providers

Detailed documentation is available here.

If your DNS provider is not supported, please open an issue.

35.com/三五互联 Active24 Akamai EdgeDNS Alibaba Cloud DNS
AlibabaCloud ESA all-inkl Alwaysdata Amazon Lightsail
Amazon Route 53 Anexia CloudDNS ArvanCloud Aurora DNS
Autodns Axelname Azion Azure (deprecated)
Azure DNS Baidu Cloud Beget.com Binary Lane
Bindman Bluecat Bluecat v2 BookMyName
Brandit (deprecated) Bunny Checkdomain Civo
Cloud.ru CloudDNS Cloudflare ClouDNS
CloudXNS (Deprecated) ConoHa v2 ConoHa v3 Constellix
Core-Networks CPanel/WHM DDnss (DynDNS Service) Derak Cloud
deSEC.io Designate DNSaaS for Openstack Digital Ocean DirectAdmin
DNS Made Easy DNSExit dnsHome.de DNSimple
DNSPod (deprecated) Domain Offensive (do.de) Domeneshop DreamHost
Duck DNS Dyn DynDnsFree.de Dynu
EasyDNS EdgeCenter Efficient IP Epik
Exoscale External program F5 XC freemyip.com
G-Core Gandi Gandi Live DNS (v5) Gigahost.no
Glesys Go Daddy Google Cloud Google Domains
Gravity Hetzner Hosting.de Hosting.nl
Hostinger Hosttech HTTP request http.net
Huawei Cloud Hurricane Electric DNS HyperOne IBM Cloud (SoftLayer)
IIJ DNS Platform Service Infoblox Infomaniak Internet Initiative Japan
Internet.bs INWX Ionos Ionos Cloud
IPv64 ISPConfig 3 ISPConfig 3 - Dynamic DNS (DDNS) Module iwantmyname (Deprecated)
JD Cloud Joker Joohoi's ACME-DNS KeyHelp
Liara Lima-City Linode (v4) Liquid Web
Loopia LuaDNS Mail-in-a-Box ManageEngine CloudDNS
Manual Metaname Metaregistrar mijn.host
Mittwald myaddr.{tools,dev,io} MyDNS.jp MythicBeasts
Name.com Namecheap Namesilo NearlyFreeSpeech.NET
Neodigit Netcup Netlify Nicmanager
NIFCloud Njalla Nodion NS1
Octenium Open Telekom Cloud Oracle Cloud OVH
plesk.com Porkbun PowerDNS Rackspace
Rain Yun/雨云 RcodeZero reg.ru Regfish
RFC2136 RimuHosting RU CENTER Sakura Cloud
Scaleway Selectel Selectel v2 SelfHost.(de|eu)
Servercow Shellrent Simply.com Sonic
Spaceship Stackpath Syse Technitium
Tencent Cloud DNS Tencent EdgeOne Timeweb Cloud TodayNIC/时代互联
TransIP UKFast SafeDNS Ultradns United-Domains
Variomedia VegaDNS Vercel Versio.[nl|eu|uk]
VinylDNS Virtualname VK Cloud Volcano Engine/火山引擎
Vscale Vultr webnames.ca webnames.ru
Websupport WEDOS West.cn/西部数码 Yandex 360
Yandex Cloud Yandex PDD Zone.ee ZoneEdit
Zonomi

If your DNS provider is not supported, please open an issue.