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lego

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

GoDoc Build Status Docker Pulls

Features

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

lego introduced support for ACME v2 in v1.0.0. If you still need to utilize ACME v1, you can do so by using the v0.5.0 version.

Installation

How to install.

Usage

Documentation

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

DNS providers

Detailed documentation is available here.

Akamai EdgeDNS Alibaba Cloud DNS Amazon Lightsail Amazon Route 53
ArvanCloud Aurora DNS Autodns Azure
Bindman Bluecat Checkdomain CloudDNS
Cloudflare ClouDNS CloudXNS ConoHa
Constellix deSEC.io Designate DNSaaS for Openstack Digital Ocean
DNS Made Easy DNSimple DNSPod Domain Offensive (do.de)
Domeneshop DreamHost Duck DNS Dyn
Dynu EasyDNS Exoscale External program
Gandi Live DNS (v5) Gandi Glesys Go Daddy
Google Cloud Hetzner Hosting.de HTTP request
Hurricane Electric DNS HyperOne Infomaniak Internet Initiative Japan
INWX Ionos Joker Joohoi's ACME-DNS
Linode (v4) Liquid Web Loopia LuaDNS
Manual MyDNS.jp MythicBeasts Name.com
Namecheap Namesilo Netcup Netlify
NIFCloud Njalla NS1 Open Telekom Cloud
Oracle Cloud OVH PowerDNS Rackspace
reg.ru RFC2136 RimuHosting Sakura Cloud
Scaleway Selectel Servercow Stackpath
TransIP VegaDNS Versio.[nl/eu/uk] Vscale
Vultr Yandex Zone.ee Zonomi