lego/index.html
2023-07-25 12:45:32 +00:00

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<title>Welcome :: Let’s Encrypt client and ACME library written in Go.</title>
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Installation
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Library
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Writing a Challenge Solver
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DNS Providers
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Akamai EdgeDNS
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Alibaba Cloud DNS
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all-inkl
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Amazon Lightsail
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Amazon Route 53
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ArvanCloud
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Aurora DNS
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Autodns
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Azure (deprecated)
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AzureDNS
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Bindman
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Bluecat
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Brandit
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Bunny
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Checkdomain
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Civo
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CloudDNS
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Cloudflare
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ClouDNS
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CloudXNS
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ConoHa
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Constellix
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Derak Cloud
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deSEC.io
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Designate DNSaaS for Openstack
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Digital Ocean
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DNS Made Easy
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<li data-nav-id="/lego/dns/dnshomede/" title="dnsHome.de" class="dd-item ">
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dnsHome.de
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DNSimple
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<li data-nav-id="/lego/dns/dnspod/" title="DNSPod (deprecated)" class="dd-item ">
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DNSPod (deprecated)
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<li data-nav-id="/lego/dns/dode/" title="Domain Offensive (do.de)" class="dd-item ">
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Domain Offensive (do.de)
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Domeneshop
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DreamHost
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Duck DNS
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Dyn
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Dynu
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<li data-nav-id="/lego/dns/easydns/" title="EasyDNS" class="dd-item ">
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EasyDNS
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<li data-nav-id="/lego/dns/efficientip/" title="Efficient IP" class="dd-item ">
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Efficient IP
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<li data-nav-id="/lego/dns/epik/" title="Epik" class="dd-item ">
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Epik
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Exoscale
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<li data-nav-id="/lego/dns/exec/" title="External program" class="dd-item ">
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External program
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<li data-nav-id="/lego/dns/freemyip/" title="freemyip.com" class="dd-item ">
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freemyip.com
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</a>
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<li data-nav-id="/lego/dns/gcore/" title="G-Core" class="dd-item ">
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G-Core
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</a>
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<li data-nav-id="/lego/dns/gandi/" title="Gandi" class="dd-item ">
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Gandi
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</a>
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<li data-nav-id="/lego/dns/gandiv5/" title="Gandi Live DNS (v5)" class="dd-item ">
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Gandi Live DNS (v5)
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</a>
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<li data-nav-id="/lego/dns/glesys/" title="Glesys" class="dd-item ">
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Glesys
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</a>
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<li data-nav-id="/lego/dns/godaddy/" title="Go Daddy" class="dd-item ">
<a href="/lego/dns/godaddy/">
Go Daddy
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</a>
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<li data-nav-id="/lego/dns/gcloud/" title="Google Cloud" class="dd-item ">
<a href="/lego/dns/gcloud/">
Google Cloud
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</a>
</li>
<li data-nav-id="/lego/dns/googledomains/" title="Google Domains" class="dd-item ">
<a href="/lego/dns/googledomains/">
Google Domains
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</a>
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<li data-nav-id="/lego/dns/hetzner/" title="Hetzner" class="dd-item ">
<a href="/lego/dns/hetzner/">
Hetzner
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</a>
</li>
<li data-nav-id="/lego/dns/hostingde/" title="Hosting.de" class="dd-item ">
<a href="/lego/dns/hostingde/">
Hosting.de
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</a>
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<li data-nav-id="/lego/dns/hosttech/" title="Hosttech" class="dd-item ">
<a href="/lego/dns/hosttech/">
Hosttech
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</a>
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<li data-nav-id="/lego/dns/httpreq/" title="HTTP request" class="dd-item ">
<a href="/lego/dns/httpreq/">
HTTP request
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</a>
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<li data-nav-id="/lego/dns/hurricane/" title="Hurricane Electric DNS" class="dd-item ">
<a href="/lego/dns/hurricane/">
Hurricane Electric DNS
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</a>
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<li data-nav-id="/lego/dns/hyperone/" title="HyperOne" class="dd-item ">
<a href="/lego/dns/hyperone/">
HyperOne
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</a>
</li>
<li data-nav-id="/lego/dns/ibmcloud/" title="IBM Cloud (SoftLayer)" class="dd-item ">
<a href="/lego/dns/ibmcloud/">
IBM Cloud (SoftLayer)
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</a>
</li>
<li data-nav-id="/lego/dns/iijdpf/" title="IIJ DNS Platform Service" class="dd-item ">
<a href="/lego/dns/iijdpf/">
IIJ DNS Platform Service
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</a>
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<li data-nav-id="/lego/dns/infoblox/" title="Infoblox" class="dd-item ">
<a href="/lego/dns/infoblox/">
Infoblox
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</a>
</li>
<li data-nav-id="/lego/dns/infomaniak/" title="Infomaniak" class="dd-item ">
<a href="/lego/dns/infomaniak/">
Infomaniak
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</a>
</li>
<li data-nav-id="/lego/dns/iij/" title="Internet Initiative Japan" class="dd-item ">
<a href="/lego/dns/iij/">
Internet Initiative Japan
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</a>
</li>
<li data-nav-id="/lego/dns/internetbs/" title="Internet.bs" class="dd-item ">
<a href="/lego/dns/internetbs/">
Internet.bs
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</a>
</li>
<li data-nav-id="/lego/dns/inwx/" title="INWX" class="dd-item ">
<a href="/lego/dns/inwx/">
INWX
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</a>
</li>
<li data-nav-id="/lego/dns/ionos/" title="Ionos" class="dd-item ">
<a href="/lego/dns/ionos/">
Ionos
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</a>
</li>
<li data-nav-id="/lego/dns/ipv64/" title="IPv64" class="dd-item ">
<a href="/lego/dns/ipv64/">
IPv64
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</a>
</li>
<li data-nav-id="/lego/dns/iwantmyname/" title="iwantmyname" class="dd-item ">
<a href="/lego/dns/iwantmyname/">
iwantmyname
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</a>
</li>
<li data-nav-id="/lego/dns/joker/" title="Joker" class="dd-item ">
<a href="/lego/dns/joker/">
Joker
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</a>
</li>
<li data-nav-id="/lego/dns/acme-dns/" title="Joohoi&#39;s ACME-DNS" class="dd-item ">
<a href="/lego/dns/acme-dns/">
Joohoi&#39;s ACME-DNS
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</a>
</li>
<li data-nav-id="/lego/dns/liara/" title="Liara" class="dd-item ">
<a href="/lego/dns/liara/">
Liara
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</a>
</li>
<li data-nav-id="/lego/dns/linode/" title="Linode (v4)" class="dd-item ">
<a href="/lego/dns/linode/">
Linode (v4)
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</a>
</li>
<li data-nav-id="/lego/dns/liquidweb/" title="Liquid Web" class="dd-item ">
<a href="/lego/dns/liquidweb/">
Liquid Web
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</a>
</li>
<li data-nav-id="/lego/dns/loopia/" title="Loopia" class="dd-item ">
<a href="/lego/dns/loopia/">
Loopia
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</a>
</li>
<li data-nav-id="/lego/dns/luadns/" title="LuaDNS" class="dd-item ">
<a href="/lego/dns/luadns/">
LuaDNS
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</a>
</li>
<li data-nav-id="/lego/dns/manual/" title="Manual" class="dd-item ">
<a href="/lego/dns/manual/">
Manual
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</a>
</li>
<li data-nav-id="/lego/dns/metaname/" title="Metaname" class="dd-item ">
<a href="/lego/dns/metaname/">
Metaname
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</a>
</li>
<li data-nav-id="/lego/dns/mydnsjp/" title="MyDNS.jp" class="dd-item ">
<a href="/lego/dns/mydnsjp/">
MyDNS.jp
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</a>
</li>
<li data-nav-id="/lego/dns/mythicbeasts/" title="MythicBeasts" class="dd-item ">
<a href="/lego/dns/mythicbeasts/">
MythicBeasts
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</a>
</li>
<li data-nav-id="/lego/dns/namedotcom/" title="Name.com" class="dd-item ">
<a href="/lego/dns/namedotcom/">
Name.com
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</a>
</li>
<li data-nav-id="/lego/dns/namecheap/" title="Namecheap" class="dd-item ">
<a href="/lego/dns/namecheap/">
Namecheap
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</a>
</li>
<li data-nav-id="/lego/dns/namesilo/" title="Namesilo" class="dd-item ">
<a href="/lego/dns/namesilo/">
Namesilo
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</a>
</li>
<li data-nav-id="/lego/dns/nearlyfreespeech/" title="NearlyFreeSpeech.NET" class="dd-item ">
<a href="/lego/dns/nearlyfreespeech/">
NearlyFreeSpeech.NET
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<h1 id="lego">Lego</h1>
<p>Let&rsquo;s Encrypt client and ACME library written in Go.</p>
<h2 id="features">Features</h2>
<ul>
<li>ACME v2 <a href="https://www.rfc-editor.org/rfc/rfc8555.html">RFC 8555</a>
<ul>
<li>Support <a href="https://www.rfc-editor.org/rfc/rfc8737.html">RFC 8737</a>: TLS Application‑Layer Protocol Negotiation (ALPN) Challenge Extension</li>
<li>Support <a href="https://www.rfc-editor.org/rfc/rfc8738.html">RFC 8738</a>: issues certificates for IP addresses</li>
<li>Support <a href="https://datatracker.ietf.org/doc/draft-ietf-acme-ari/">draft-ietf-acme-ari-01</a>: Renewal Information (ARI) Extension</li>
</ul>
</li>
<li>Register with CA</li>
<li>Obtain certificates, both from scratch or with an existing CSR</li>
<li>Renew certificates</li>
<li>Revoke certificates</li>
<li>Robust implementation of all ACME challenges
<ul>
<li>HTTP (http-01)</li>
<li>DNS (dns-01)</li>
<li>TLS (tls-alpn-01)</li>
</ul>
</li>
<li>SAN certificate support</li>
<li><a href="https://letsencrypt.org/2019/10/09/onboarding-your-customers-with-lets-encrypt-and-acme.html">CNAME support</a> by default</li>
<li>Comes with multiple optional <a href="/lego/dns/">DNS providers</a></li>
<li><a href="/lego/usage/library/writing-a-challenge-solver/">Custom challenge solvers</a></li>
<li>Certificate bundling</li>
<li>OCSP helper function</li>
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