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

README.md

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.

Alibaba Cloud DNS Amazon Lightsail Amazon Route 53 Aurora DNS
Azure Bluecat ClouDNS CloudXNS
Cloudflare ConoHa DNS Made Easy DNSPod
DNSimple Designate DNSaaS for Openstack Digital Ocean DreamHost
Duck DNS Dyn Exoscale External program
FastDNS Gandi Gandi Live DNS (v5) Glesys
Go Daddy Google Cloud HTTP request Hosting.de
INWX Internet Initiative Japan Joohoi's ACME-DNS Linode (deprecated)
Linode (v4) Manual MyDNS.jp NIFCloud
NS1 Name.com Namecheap Netcup
OVH Open Telekom Cloud Oracle Cloud PowerDNS
RFC2136 Rackspace Sakura Cloud Selectel
Stackpath TransIP VegaDNS Vscale
Vultr Zone.ee
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