aktuelle.kurse/oldies/m239/unterlagen/60 - Zertifikate/31 - Zertifikat gratis erstellen (Lets Encrypt)

647 lines
33 KiB
Plaintext
Raw Normal View History

2022-05-15 21:40:59 +02:00
<!DOCTYPE html>
<html
dir="ltr"
lang="en-US">
<head>
<meta name="generator" content="Hugo 0.89.1" />
<meta charset="utf-8">
<meta name="viewport" content="width=device-width initial-scale=1" />
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title> Let&#39;s Encrypt</title>
<meta name="description" content=" Let&#39;s Encrypt is a free, automated, and open certificate authority brought to you by the nonprofit Internet Security Research Group (ISRG). ">
<meta name="twitter:card" content="summary">
<meta name="twitter:site" content="@letsencrypt">
<meta name="twitter:title" content="Let&#39;s Encrypt">
<meta name="twitter:url" content="https://letsencrypt.org/">
<meta name="twitter:description" content=" Let&#39;s Encrypt is a free, automated, and open certificate authority brought to you by the nonprofit Internet Security Research Group (ISRG). ">
<meta name="twitter:image:src" content="https://letsencrypt.org/images/le-logo-twitter-noalpha.png">
<meta name="og:image" content="https://letsencrypt.org/images/LetsEncrypt-SocialShare.png">
<link rel="stylesheet" href="/css/main.min.f92986b35e240286c8f9902f9941919f27d193a82301ba843f8f54b7aa315f1094867fe4551469490cf96300dc0e35ff4c565cb68e557f695251a17fb2e8a089.css" integrity="sha512-&#43;SmGs14kAobI&#43;ZAvmUGRnyfRk6gjAbqEP49Ut6oxXxCUhn/kVRRpSQz5YwDcDjX/TFZcto5Vf2lSUaF/suigiQ==">
<link rel="stylesheet" href="/fontawesome-free-5.12.1-web/css/all.min.css" />
<link rel="canonical" href="/">
<link rel="alternate" href="/feed.xml" type="application/rss+xml" title="Let&#39;s Encrypt Blog Feed" />
</head>
<body>
<header class="site-header">
<a id="skiplink" href="#main-content">Skip navigation links</a>
<div class="wrapper">
<a class="site-title" href="/"><img src="/images/letsencrypt-logo-horizontal.svg" alt="Let's Encrypt"></a>
<span id="menuIcon">
<i class="fas fa-bars"></i>
</span>
<nav class="site-nav" id="menu">
<div class="pure-menu pure-menu-horizontal custom-can-transform">
<ul class="pure-menu-list">
<li class="pure-menu-item">
<a href="/docs/" class="pure-menu-link" tabindex="0">Documentation</a>
</li>
<li class="pure-menu-item">
<a href="https://community.letsencrypt.org/" class="pure-menu-link" tabindex="0">Get Help</a>
</li>
<li class="pure-menu-item pure-menu-has-children">
<a href="#" class="pure-menu-link" tabindex="0">Donate</a>
<ul class="pure-menu-children">
<li class="pure-menu-item">
<a href="/donate/" class="pure-menu-link">Make a Donation</a>
</li>
<li class="pure-menu-item">
<a href="https://www.abetterinternet.org/sponsor/" class="pure-menu-link">Become a Sponsor</a>
</li>
<li class="pure-menu-item">
<a href="/sponsors/" class="pure-menu-link">Current Sponsors and Funders</a>
</li>
<li class="pure-menu-item">
<a href="/getinvolved/" class="pure-menu-link">Get Involved</a>
</li>
</ul>
</li>
<li class="pure-menu-item pure-menu-has-children">
<a href="#" class="pure-menu-link" tabindex="0">About Us</a>
<ul class="pure-menu-children">
<li class="pure-menu-item">
<a href="/about/" class="pure-menu-link">Let&#39;s Encrypt</a>
</li>
<li class="pure-menu-item">
<a href="https://www.abetterinternet.org/about/" class="pure-menu-link">Internet Security Research Group (ISRG)</a>
</li>
<li class="pure-menu-item">
<a href="/docs/dst-root-ca-x3-expiration-september-2021/" class="pure-menu-link">DST Root CA X3 Expiration (September 2021)</a>
</li>
<li class="pure-menu-item">
<a href="/docs/faq/" class="pure-menu-link">Frequently Asked Questions (FAQ)</a>
</li>
<li class="pure-menu-item">
<a href="/repository/" class="pure-menu-link">Policy and Legal Repository</a>
</li>
<li class="pure-menu-item">
<a href="https://letsencrypt.status.io/" class="pure-menu-link">Service Status</a>
</li>
<li class="pure-menu-item">
<a href="/stats/" class="pure-menu-link">Statistics</a>
</li>
<li class="pure-menu-item">
<a href="https://www.abetterinternet.org/careers/" class="pure-menu-link">Careers</a>
</li>
<li class="pure-menu-item">
<a href="/contact/" class="pure-menu-link">Contact</a>
</li>
<li class="pure-menu-item">
<a href="/blog/" class="pure-menu-link">Blog</a>
</li>
</ul>
</li>
<li class="pure-menu-item pure-menu-has-children">
<a href="#" class="pure-menu-link" tabindex="0">Languages <img src="/images/language-icon128px-black.png" class="inline-icon" alt="" aria-hidden="true"></a>
<ul class="pure-menu-children">
<li class="pure-menu-item">
<a href="/" lang="en-US" hreflang="en-US" class="pure-menu-link">✓ English</a>
</li>
<li class="pure-menu-item">
<a href="/de/" lang="de-DE" hreflang="de-DE" class="pure-menu-link">Deutsch</a>
</li>
<li class="pure-menu-item">
<a href="/es/" lang="es-US" hreflang="es-US" class="pure-menu-link">Español</a>
</li>
<li class="pure-menu-item">
<a href="/fr/" lang="fr-FR" hreflang="fr-FR" class="pure-menu-link">Français</a>
</li>
<li class="pure-menu-item">
<a href="/he/" lang="he" hreflang="he" class="pure-menu-link">עברית</a>
</li>
<li class="pure-menu-item">
<a href="/id/" lang="id-ID" hreflang="id-ID" class="pure-menu-link">Bahasa Indonesia</a>
</li>
<li class="pure-menu-item">
<a href="/it/" lang="it-IT" hreflang="it-IT" class="pure-menu-link">Italiano</a>
</li>
<li class="pure-menu-item">
<a href="/ja/" lang="ja" hreflang="ja" class="pure-menu-link">日本語</a>
</li>
<li class="pure-menu-item">
<a href="/ko/" lang="ko-KR" hreflang="ko-KR" class="pure-menu-link">한국어</a>
</li>
<li class="pure-menu-item">
<a href="/pt-br/" lang="pt-BR" hreflang="pt-BR" class="pure-menu-link">Português do Brasil</a>
</li>
<li class="pure-menu-item">
<a href="/ru/" lang="ru-RU" hreflang="ru-RU" class="pure-menu-link">Русский</a>
</li>
<li class="pure-menu-item">
<a href="/sr/" lang="sr" hreflang="sr" class="pure-menu-link">Srpski</a>
</li>
<li class="pure-menu-item">
<a href="/sv/" lang="sv" hreflang="sv" class="pure-menu-link">Svenska</a>
</li>
<li class="pure-menu-item">
<a href="/uk/" lang="uk-UA" hreflang="uk-UA" class="pure-menu-link">Українська</a>
</li>
<li class="pure-menu-item">
<a href="/vi/" lang="vi-VN" hreflang="vi-VN" class="pure-menu-link">Tiếng Việt</a>
</li>
<li class="pure-menu-item">
<a href="/zh-cn/" lang="zh-Hans-CN" hreflang="zh-Hans-CN" class="pure-menu-link">简体中文</a>
</li>
<li class="pure-menu-item">
<a href="/zh-tw/" lang="zh-Hant-TW" hreflang="zh-Hant-TW" class="pure-menu-link">繁體中文</a>
</li>
</ul>
</li>
</ul>
</div>
</nav>
</div>
</header>
<div id="main-content"></div>
<div class="hero tall">
<div class="container">
<h1>A nonprofit Certificate Authority providing TLS certificates to <span>260 million</span> websites.</h1>
<h2>We were awarded the Levchin Prize for Real-World Cryptography! <a href='https://abetterinternet.org/levchin-prize'>Learn more</a></h2>
<div class="buttons flex">
<div class="flex1 tar mr1m">
<a class="dib" href="/getting-started/">Get Started</a>
</div>
<div class="flex1 tal ml1m">
<a class="dib" href="https://www.abetterinternet.org/sponsor/">Sponsor</a>
</div>
</div>
</div>
</div>
<div class="page-content">
<div class="wrapper">
<div class="">
<div class="pure-g home">
<div class="pure-u-1 pure-u-md-1-2">
<div class="grid-container">
<h2 class="through-line"><a href="/blog/">From our blog</a></h2>
<ul class="post-list">
<li>
<span class="post-meta">Apr 28, 2022</span>
<h2>
<a class="post-link" href="/2022/04/28/database-to-app-tls.html" hreflang="en-US">TLS Beyond the Web: How MongoDB Uses Lets Encrypt for Database-to-Application Security</a>
</h2>
MongoDB uses millions of Lets Encrypt certs for critical workloads.
<p><a href="/2022/04/28/database-to-app-tls.html" hreflang="en-US">Read more</a></p>
</li>
<li>
<span class="post-meta">Apr 13, 2022</span>
<h2>
<a class="post-link" href="/2022/04/13/receiving-the-levchin-prize.html" hreflang="en-US">Lets Encrypt Receives the Levchin Prize for Real-World Cryptography</a>
</h2>
We are honored to be recognized for the impact on the field of cryptography.
<p><a href="/2022/04/13/receiving-the-levchin-prize.html" hreflang="en-US">Read more</a></p>
</li>
<li>
<span class="post-meta">Feb 25, 2022</span>
<h2>
<a class="post-link" href="/2022/02/25/ford-foundation.html" hreflang="en-US">New Major Funding from the Ford Foundation</a>
</h2>
$1M grant from The Ford Foundation supports ISRGs security and privacy mission.
<p><a href="/2022/02/25/ford-foundation.html" hreflang="en-US">Read more</a></p>
</li>
<li>
<span class="post-meta">Dec 16, 2021</span>
<h2>
<a class="post-link" href="/2021/12/16/ed-letter-2021.html" hreflang="en-US">A Year-End Letter from our Executive Director</a>
</h2>
A summary of the progress made toward improving security and privacy with ISRGs three projects: Lets Encrypt serves 260M websites, our Prossimo project seeks to solve problems caused by lack of memory safety, and Divvi Up is building a privacy-preserving metrics system.
<p><a href="/2021/12/16/ed-letter-2021.html" hreflang="en-US">Read more</a></p>
</li>
<li>
<span class="post-meta">Oct 28, 2021</span>
<h2>
<a class="post-link" href="/2021/10/28/tls-simply-and-automatically.html" hreflang="en-US">TLS Simply and Automatically for Europes Largest Cloud Customers</a>
</h2>
How OVHcloud uses Let&rsquo;s Encrypt certificates for millions of European customers
<p><a href="/2021/10/28/tls-simply-and-automatically.html" hreflang="en-US">Read more</a></p>
</li>
</ul>
<p class="rss-subscribe">
<i class="fas fa-rss-square" aria-hidden="true"></i>
Subscribe <a href="/feed.xml">via RSS</a>
</p>
</div>
</div>
<div class="pure-u-1 pure-u-md-1-2">
<div class='grid-container'>
<h2 class="through-line"><a href="/sponsors/">Major Sponsors and Funders</a></h2>
<div class="text-center home_sponsors">
<a href="https://www.mozilla.org/" ><img src="/images/sponsors/small/mozilla-logo.png" alt="Mozilla" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.cisco.com/" ><img src="/images/sponsors/small/cisco-logo.png" alt="Cisco" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.eff.org/" ><img src="/images/sponsors/small/eff-logo.png" alt="Electronic Frontier Foundation" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.ovh.com/" ><img src="/images/sponsors/small/ovh-logo.png" alt="OVH" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.google.com/chrome/" rel="nofollow"><img src="/images/sponsors/small/chrome-logo.png" alt="Google Chrome" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.internetsociety.org/" ><img src="/images/sponsors/small/isoc-logo.png" alt="Internet Society" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.meta.com/" ><img src="/images/sponsors/small/meta-logo.png" alt="Meta" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://aws.amazon.com/" ><img src="/images/sponsors/small/aws-logo.png" alt="Amazon Web Services" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.identrust.com/" ><img src="/images/sponsors/small/identrust-logo.png" alt="IdenTrust" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.fordfound.org/" ><img src="/images/sponsors/small/ford-foundation-logo.png" alt="Ford Foundation" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.shopify.com/" ><img src="/images/sponsors/small/shopify-logo.png" alt="Shopify" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.sap.com/" ><img src="/images/sponsors/small/sap-logo.png" alt="SAP" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://automattic.com/" ><img src="/images/sponsors/small/automattic-logo.png" alt="Automattic" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.akamai.com/" ><img src="/images/sponsors/small/akamai-logo.png" alt="Akamai" width="80" height="48" class="sponsor-logo-small"></a>
<a href="http://www.ala.org/offices/oif" ><img src="/images/sponsors/small/ala-logo.png" alt="American Library Association" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.cyon.ch/" ><img src="/images/sponsors/small/cyon-logo.png" alt="Cyon" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.infomaniak.ch/" ><img src="/images/sponsors/small/infomaniak-logo.png" alt="Infomaniak" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.hostpoint.ch/" ><img src="/images/sponsors/small/hostpoint-logo.png" alt="HostPoint" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.siteground.com/" ><img src="/images/sponsors/small/siteground-logo.png" alt="SiteGround" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.vultr.com" ><img src="/images/sponsors/small/vultr-logo.png" alt="Vultr" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.planethoster.com/" ><img src="/images/sponsors/small/planethoster-logo.png" alt="Hébergement web" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.fastly.com/" ><img src="/images/sponsors/small/fastly-logo.png" alt="Fastly" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.3cx.com/" ><img src="/images/sponsors/small/3cx-logo.png" alt="3CX" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.squarespace.com/" ><img src="/images/sponsors/small/squarespace-logo.png" alt="Squarespace" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.hawkhost.com/" ><img src="/images/sponsors/small/hawkhost-logo.png" alt="Hawk Host" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://thebestvpn.com/" ><img src="/images/sponsors/small/thebestvpn-logo.png" alt="The Best VPN" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.jimdo.com/" ><img src="/images/sponsors/small/jimdo-logo.png" alt="Jimdo" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.vtex.com/" ><img src="/images/sponsors/small/vtex-logo.png" alt="VTEX" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.digitalocean.com/" ><img src="/images/sponsors/small/digital-ocean-logo.png" alt="Digital Ocean" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.zendesk.com/" ><img src="/images/sponsors/small/zendesk-logo.png" alt="Zendesk" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.netlify.com/" ><img src="/images/sponsors/small/netlify-logo.png" alt="Netlify" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.hostpapa.com/lets-encrypt-hosting?utm_source=letsencrypt.org&amp;utm_medium=referral&amp;utm_campaign=us-seo&amp;utm_term=web-hosting&amp;utm_content=180x108-logo" ><img src="/images/sponsors/small/hostpapa-logo.png" alt="HostPapa" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://pantheon.io/" ><img src="/images/sponsors/small/pantheon-logo.png" alt="Pantheon Website Management Platform" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://dnsimple.com/letsencrypt" ><img src="/images/sponsors/small/dnsimple-logo.png" alt="dnsimple" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://shiguredo.jp/" ><img src="/images/sponsors/small/shiguredo-logo.png" alt="Shiguredo" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.discourse.org/" ><img src="/images/sponsors/small/discourse-logo.png" alt="Discourse" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://driving-tests.org/" ><img src="/images/sponsors/small/driving-tests-logo.png" alt="driving-tests.org" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.sakura.ad.jp/" ><img src="/images/sponsors/small/sakura-logo.png" alt="Sakura Internet" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.duocircle.com/" ><img src="/images/sponsors/small/duocircle-logo.png" alt="DuoCircle" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.ise.de/" ><img src="/images/sponsors/small/ise-logo.png" alt="ISE" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.privateinternetaccess.com/" ><img src="/images/sponsors/small/privateinternetaccess-logo.png" alt="Private Internet Access" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://brave.com/" ><img src="/images/sponsors/small/brave-logo.png" alt="Brave" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://serverpilot.io/" ><img src="/images/sponsors/small/serverpilot-logo.png" alt="ServerPilot" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://domainname.shop/" ><img src="/images/sponsors/small/domainnameshop-logo.png" alt="DomainName.Shop" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.world4you.com/" ><img src="/images/sponsors/small/world4you-logo.png" alt="World4You" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://github.com/" ><img src="/images/sponsors/small/github-logo.png" alt="GitHub" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://unraid.net/" ><img src="/images/sponsors/small/unraid-logo.png" alt="Lime Technology (Unraid)" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://keenetic.com/" ><img src="/images/sponsors/small/keenetic-logo.png" alt="Keenetic" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.haproxy.com/" ><img src="/images/sponsors/small/haproxy-logo.png" alt="HAProxy" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.datto.com/" ><img src="/images/sponsors/small/datto-logo.png" alt="Datto" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://axiom.co/" ><img src="/images/sponsors/small/axiom-logo.png" alt="Axiom" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.verizondigitalmedia.com/" ><img src="/images/sponsors/small/vdms-logo.png" alt="Verizon Digital Media Services" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.mongodb.com/" ><img src="/images/sponsors/small/mongodb-logo.png" alt="MongoDB" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.ibm.com/" ><img src="/images/sponsors/small/ibm-logo.png" alt="IBM" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.livesport.eu/" ><img src="/images/sponsors/small/livesport-logo.png" alt="Livesport" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.clever-cloud.com/" ><img src="/images/sponsors/small/clevercloud-logo.png" alt="Clever Cloud" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://render.com/" ><img src="/images/sponsors/small/render-logo.png" alt="Render" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://ipinfo.io/" ><img src="/images/sponsors/small/ipinfo-logo.png" alt="IPInfo" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.greengeeks.com/" ><img src="/images/sponsors/small/greengeeks-logo.png" alt="GreenGeeks" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.redhat.com/" ><img src="/images/sponsors/small/redhat-logo.png" alt="RedHat" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.nabucasa.com/" ><img src="/images/sponsors/small/nabu-casa-logo.png" alt="Nabu Casa" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.wix.com/" ><img src="/images/sponsors/small/wix-logo.png" alt="Wix" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://engineforex.com/" ><img src="/images/sponsors/small/engine-forex-logo.png" alt="Engine Forex" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.heroku.com/" ><img src="/images/sponsors/small/heroku-logo.png" alt="Heroku" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://snipeitapp.com/" ><img src="/images/sponsors/small/snipe-it-logo.png" alt="Snipe-IT" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://smallstep.com/" ><img src="/images/sponsors/small/smallstep-logo.png" alt="Smallstep" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.vpncompare.co.uk/" ><img src="/images/sponsors/small/vpncompare-logo.png" alt="VPNCompare" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.wpbeginner.com/" ><img src="/images/sponsors/small/wpbeginner-logo.png" alt="WPBeginner" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.hostscore.net/" ><img src="/images/sponsors/small/hostscore-logo.png" alt="HostScore" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.hoststar.ch/" ><img src="/images/sponsors/small/hoststar-logo.png" alt="Hoststar" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.redacted.com/" ><img src="/images/sponsors/small/redacted-logo.png" alt="Redacted" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.vmware.com/" ><img src="/images/sponsors/small/vmware-logo.png" alt="VMWare" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.one.com/" ><img src="/images/sponsors/small/one-com-logo.png" alt="one.com" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://dan.com/" ><img src="/images/sponsors/small/dan-com-logo.png" alt="Dan.com" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.cloudera.com/" ><img src="/images/sponsors/small/cloudera-logo.png" alt="Cloudera" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.hackthebox.eu/" ><img src="/images/sponsors/small/hackthebox-logo.png" alt="Hack the Box" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://linecorp.com/" ><img src="/images/sponsors/small/line-logo.png" alt="Line Corp" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://cargo.site/" ><img src="/images/sponsors/small/cargo-logo.png" alt="Cargo" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://manualsbrain.com/" ><img src="/images/sponsors/small/manualsbrain-logo.png" alt="ManualsBrain" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://pan-net.cloud/" ><img src="/images/sponsors/small/pan-net-logo.png" alt="Pan-Net" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://rackspeed.de/" ><img src="/images/sponsors/small/rack-speed-logo.png" alt="RACK::SPEED" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.4kdownload.com/products/product-videodownloader" ><img src="/images/sponsors/small/4kdownload-logo.png" alt="Video Downloader" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.duda.co/" ><img src="/images/sponsors/small/duda-logo.png" alt="Duda" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.ads.com/" ><img src="/images/sponsors/small/ads-com-logo.png" alt="Ads.com" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.cdmon.com/es/" ><img src="/images/sponsors/small/cdmon-logo.png" alt="cdmon" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://goteleport.com/" ><img src="/images/sponsors/small/teleport-logo.png" alt="Teleport" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://aioz.network/" ><img src="/images/sponsors/small/aioz-logo.png" alt="AIOZ" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://vpnxpert.com/" ><img src="/images/sponsors/small/vpnxpert-logo.png" alt="vpnXpert" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.nginx.com/" ><img src="/images/sponsors/small/nginx-logo.png" alt="NGINX" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://1password.com/" ><img src="/images/sponsors/small/1password-logo.png" alt="1password" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://vilros.com/" ><img src="/images/sponsors/small/vilros-logo.png" alt="Vilros" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://media.network/" ><img src="/images/sponsors/small/media-network-logo.png" alt="Media Network" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://actonfamilygiving.org/" ><img src="/images/sponsors/small/acton-family-giving-logo.png" alt="Acton Family Giving" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://plat.ai/" ><img src="/images/sponsors/small/plat-ai-logo.svg" alt="Plat.ai" width="80" height="48" class="sponsor-logo-small"></a>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="donate-footer">
<div class="wrapper text-center">
<h2>Support a more secure and privacy-respecting Web.</h2>
<div class="buttons">
<a class="accent" href="/donate/">Donate</a>
</div>
</div>
</div>
<footer class="site-footer">
<div class="wrapper">
<div class="footer-col-wrapper">
<div class="footer-col footer-col-1">
<ul class="social-media-list">
<li>
<i class="fab fa-github" aria-hidden="true"></i>
<a href="https://github.com/letsencrypt">
<span class="username">GitHub</span>
</a>
</li>
<li>
<i class="fab fa-twitter" aria-hidden="true"></i>
<a href="https://twitter.com/letsencrypt">
<span class="username">Twitter</span>
</a>
</li>
</ul>
View our <a href="/privacy/">privacy policy</a>.<br>
View our <a href="https://www.abetterinternet.org/trademarks">trademark policy</a>.
</div>
<div class="footer-col footer-col-2">
<p> Let's Encrypt is a free, automated, and open certificate
authority brought to you by the nonprofit <a href="https://www.abetterinternet.org/">Internet Security Research Group (ISRG)</a>.
</p>
<p>
<span itemscope itemtype="http://schema.org/PostalAddress">
<span itemprop="streetAddress">548 Market St, PMB 77519</span>,
<span itemprop="addressLocality">San Francisco</span>,
<span itemprop="addressRegion">CA</span>
<span itemprop="postalCode">94104-5401</span>,
<span itemprop="addressCountry">USA</span>
</span>
</p>
<p>Send all mail or inquiries to:</p>
<p>
<span itemscope itemtype="http://schema.org/PostalAddress">
<span itemprop="streetAddress">PO Box 18666</span>,
<span itemprop="addressLocality">Minneapolis</span>,
<span itemprop="addressRegion">MN</span>
<span itemprop="postalCode">55418-0666</span>,
<span itemprop="addressCountry">USA</span>
</span>
</p>
<div>
<a href="https://collabprojects.linuxfoundation.org/" target="_blank"><img src="/images/linux-foundation.png" alt="Linux Foundation Collaborative Projects" /></a>
</div>
Linux Foundation is a registered trademark of The Linux Foundation. Linux is a registered trademark of Linus Torvalds.
</div>
</div>
</div>
</footer>
<script src="/js/main.9c0b9add2dc0db21de0f695103830dbde01e31d77fa9a2db9ac3c1b9e09e4806f2e0d9a7281b06461b2e162a3560c605b038169b42ff376b4cd28cc71203c8f0.js" integrity="sha512-nAua3S3A2yHeD2lRA4MNveAeMdd/qaLbmsPBueCeSAby4NmnKBsGRhsuFio1YMYFsDgWm0L/N2tM0ozHEgPI8A=="></script>
</body>
</html>