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Programming language: Go
Tags: Security    
Latest version: v3.7.0

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README

lego

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

GoDoc Build Status Docker Pulls

Features

  • 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.

<!-- START DNS PROVIDERS LIST -->

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) DreamHost
Duck DNS Dyn Dynu EasyDNS
Exoscale External program FastDNS Gandi Live DNS (v5)
Gandi Glesys Go Daddy Google Cloud
Hetzner Hosting.de HTTP request Internet Initiative Japan
INWX Joker Joohoi's ACME-DNS Linode (deprecated)
Linode (v4) Liquid Web LuaDNS Manual
MyDNS.jp MythicBeasts Name.com Namecheap
Namesilo Netcup Netlify NIFCloud
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

<!-- END DNS PROVIDERS LIST -->