{"id":3256,"date":"2026-07-14T10:16:35","date_gmt":"2026-07-14T10:16:35","guid":{"rendered":"https:\/\/certera.com\/kb\/?p=3256"},"modified":"2026-07-14T10:16:36","modified_gmt":"2026-07-14T10:16:36","slug":"how-to-install-sectigo-acme-ssl-certificates-on-cpanel-whm-using-certbot","status":"publish","type":"post","link":"https:\/\/certera.com\/kb\/how-to-install-sectigo-acme-ssl-certificates-on-cpanel-whm-using-certbot\/","title":{"rendered":"How to Install Sectigo ACME SSL Certificates on cPanel\/WHM using Certbot?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">SSL certificate lifespans are shrinking from <a href=\"https:\/\/certera.com\/blog\/ca-b-approved-47-day-ssl-tls-validity-by-2029-how-to-prepare\/\">397 days to 47 days<\/a>, and every sysadmin managing cPanel\/WHM servers who still relies on manual installs will face expired certificates, broken sites, and compliance failures.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/certera.com\/acme-certificates\/sectigo-acme-ssl\">Sectigo\u2019s ACME Certificate<\/a> solves this, but it does not integrate natively into cPanel or WHM. Sysadmins who do nothing will spend more time chasing renewals than managing servers. Certbot bridges that gap and automates the entire issuance and renewal cycle.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Do You Need Before Installing Sectigo SSL on cPanel?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">There are <strong>four prerequisites<\/strong> for Certbot to ever get to your server, with all being required for success.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>To gain <strong>root access via SSH to your cPanel\/WHM server<\/strong>.<\/li>\n\n\n\n<li>Make sure your <strong>DNS A and AAAA records<\/strong> have the correct information that points to the server, set up inside of cPanel.<\/li>\n\n\n\n<li>Your Firewall is open on <a href=\"https:\/\/certera.com\/blog\/port-80-http-vs-port-443-https-everything-to-know-about\/\">ports 80 and 443<\/a>. However, both the Renewal mode and the ACME challenge engine are required by Certbot.<\/li>\n\n\n\n<li>EAB certifies your Key ID and HMAC key from your Sectigo order panel.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Check your ports before going any further. <strong>Use the following command on another machine to run nmap:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>nmap -p 80,443 yourdomain.com<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">This will immediately fail if either port is not open. You should repair the firewall before you proceed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How Do You Install Certbot on a cPanel\/WHM Server?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Step 1 \u2013 Installing Certbot<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Certbot is the ACME client that communicates directly with Sectigo\u2019s certificate infrastructure. cPanel does not ship it by default, so you install it manually.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Option A: Snap<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo yum install snapd -y\nsudo systemctl enable --now snapd.socket\nsudo ln -s \/var\/lib\/snapd\/snap \/snap\nsudo snap install core &amp;&amp; sudo snap refresh core\nsudo snap install --classic certbot\nsudo ln -s \/snap\/bin\/certbot \/usr\/bin\/certbot<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">Option B: Yum<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo yum install epel-release -y\nsudo yum install certbot -y<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>Always use Snap. Yum packages are outdated<\/em><\/strong>. An outdated Certbot version breaks compatibility when Sectigo updates its ACME endpoints, and Sectigo does update them.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 2(A) \u2013 Requesting a Sectigo SSL<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sectigo requires EAB credentials on every certificate request. These are the Key ID and HMAC key from your Sectigo account panel or through the enrollment page, not optional, not interchangeable with Let\u2019s Encrypt credentials.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Apache:<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code> sudo certbot --apache \\\n--non-interactive --agree-tos \\\n--email admin@example.com \\\n--server https:\/\/acme.sectigo.com\/v2\/DV \\\n--eab-kid YOUR_EAB_KID \\\n--eab-hmac-key YOUR_EAB_HMAC_KEY \\\n--domain example.com \\\n--cert-name example-cert<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">Nginx:<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo certbot --nginx \\\n--non-interactive --agree-tos \\\n--email admin@example.com \\\n--server https:\/\/acme.sectigo.com\/v2\/DV \\\n--eab-kid YOUR_EAB_KID \\\n--eab-hmac-key YOUR_EAB_HMAC_KEY \\\n--domain example.com \\\n--cert-name example-cert<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">If Certbot returns a <strong>urn:ietf:params:acme:error:badEABCredentials<\/strong> error, your Key ID or HMAC key is copied incorrectly. Go back to Sectigo\u2019s panel and copy them character by character.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Install the Sectigo Certificate into cPanel or WHM<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Certbot stores every issued certificate in these locations<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>\/etc\/letsencrypt\/live\/example.com\/fullchain.pem<\/em><\/li>\n\n\n\n<li><em>\/etc\/letsencrypt\/live\/example.com\/privkey.pem<\/em><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">cPanel and WHM don\u2019t automatically read this path. You\u2019ll need to add it manually or via the CLI.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Method 1: WHM GUI:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Log in to WHM as root<\/strong><\/li>\n\n\n\n<li>Navigate to <strong>SSL\/TLS \u2192 Install an SSL Certificate on a Domain<\/strong><\/li>\n\n\n\n<li>Paste <strong>fullchain.pem <\/strong>into the <strong>Certificate (CRT) field<\/strong><\/li>\n\n\n\n<li>Paste <strong>privkey.pem<\/strong> into the <strong>Private Key (KEY) field<\/strong><\/li>\n\n\n\n<li>Use <strong>chain.pem for the CA Bundle<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Method 2: CLI (Best for Automation):<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\/usr\/local\/cpanel\/bin\/installssl domain example.com \\<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>cert \/etc\/letsencrypt\/live\/example.com\/fullchain.pem \\<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>key \/etc\/letsencrypt\/live\/example.com\/privkey.pem \\<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>cabundle \/etc\/letsencrypt\/live\/example.com\/chain.pem<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Use the <strong>CLI method<\/strong> if you\u2019re managing more than one domain. The WHM GUI method does not scale.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Automatic Renewal in cPanel Environment<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">cPanel\u2019s AutoSSL feature does not renew Sectigo certificates. If you skip this step, your SSL expires silently and your site breaks without warning.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">First, Test Renewal Immediately after Setup:<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code><em>sudo certbot renew --dry-run<\/em><\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">If this fails, fix it now. Do not wait until the certificate is days away from expiry.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Then add a Cron Job that runs Twice Daily:<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code><em>sudo crontab -e<\/em><\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Insert this line:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><em>0 *\/12 * * * certbot renew --quiet --deploy-hook \"\/usr\/local\/cpanel\/bin\/installssl domain example.com cert \/etc\/letsencrypt\/live\/example.com\/fullchain.pem key \/etc\/letsencrypt\/live\/example.com\/privkey.pem cabundle \/etc\/letsencrypt\/live\/example.com\/chain.pem<\/em><\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>\u2013deploy-hook flag<\/strong> is what makes this work. It pushes the renewed certificate directly into WHM the moment Certbot finishes renewing it. Without this flag, the cert renews, but cPanel never picks it up.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How Do You Get a Sectigo Wildcard Certificate Using Certbot?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/certera.com\/ssl-types\/wildcard-ssl-certificates\">Wildcard certificates<\/a> (*.example.com) require DNS-01 validation. HTTP-01 validation does not work with wildcards. This is an ACME protocol requirement, not a Sectigo limitation. <strong>You have two paths:<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Method 1: DNS Plugin (Recommended)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Certbot has native plugins for Cloudflare, AWS Route53, DigitalOcean, Google Cloud DNS, Hetzner, OVH, and Linode. If your DNS provider is on this list, use the plugin.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Cloudflare Example:<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo snap install certbot-dns-cloudflare\nmkdir -p ~\/.secrets\/certbot\necho \"dns_cloudflare_api_token = YOUR_TOKEN\" &gt; ~\/.secrets\/certbot\/cloudflare.ini\nchmod 600 ~\/.secrets\/certbot\/cloudflare.ini\nsudo certbot certonly \\\n--dns-cloudflare \\\n--dns-cloudflare-credentials ~\/.secrets\/certbot\/cloudflare.ini \\\n--server https:\/\/acme.sectigo.com\/v2\/DV \\\n--eab-kid YOUR_EAB_KID \\\n--eab-hmac-key YOUR_EAB_HMAC_KEY \\\n--email admin@example.com --agree-tos \\\n--cert-name example-wildcard \\\n-d \"*.example.com\" -d example.com<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">PATH 2: Lexicon (For Unsupported DNS Providers)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Use Lexicon if your DNS provider (e.g., GoDaddy) doesn\u2019t have a DNS plugin for Certbot. Lexicon is a universal DNS management library that supports the DNS providers not supported by Certbot.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pip install dns-lexicon<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">Create auth.sh:<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>#!\/bin\/bash\nlexicon godaddy create \"$CERTBOT_DOMAIN\" TXT \\\n--auth-key \"YOUR_KEY\" --auth-secret \"YOUR_SECRET\" \\\n--name \"_acme-challenge.$CERTBOT_DOMAIN\" \\\n--content \"$CERTBOT_VALIDATION\"<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">Create a cleanup.sh:<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>!\/bin\/bash\nlexicon godaddy delete: \"$CERTBOT_DOMAIN\" TXT\n--auth-key YOUR_KEY --auth-secret YOUR_SECRET \\\n--name \"_acme-challenge.$CERTBOT_DOMAIN\" \\\n--content \"$CERTBOT_VALIDATION\"<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Use <strong>\u2013manual-auth-hook<\/strong> and <strong>\u2013manual-cleanup-hook<\/strong> to point Certbot at both of them.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Please always encrypt every credentials file with chmod 600. A leaked API token can give anybody access to changing your DNS records.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Installing <a href=\"https:\/\/certera.com\/acme-certificates\/sectigo-acme-ssl\">Sectigo ACME SSL certificates<\/a> on cPanel\/WHM with Certbot simplifies certificate management and eliminates the risk of missed renewals. Once configured, Certbot automatically handles issuance and renewal, helping you maintain secure, uninterrupted HTTPS protection for both standard and wildcard domains.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Need a Sectigo SSL certificate? Contact us today to purchase the right SSL solution for your website and get expert assistance with deployment and automation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SSL certificate lifespans are shrinking from 397 days to 47 days, and every sysadmin managing cPanel\/WHM servers who still relies on manual installs will face expired certificates, broken sites, and compliance failures. Sectigo\u2019s ACME Certificate solves this, but it does not integrate natively into cPanel or WHM. Sysadmins who do nothing will spend more time<span class=\"morelink d-block mt-3\"><a href=\"https:\/\/certera.com\/kb\/how-to-install-sectigo-acme-ssl-certificates-on-cpanel-whm-using-certbot\/\">Read More<\/a><\/span><\/p>\n","protected":false},"author":5,"featured_media":3226,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[463,464,462],"class_list":["post-3256","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ssl-installation","tag-cpanel-certbot-configuration","tag-cpanel-ssl-installation-auto-renewal","tag-install-an-ssl-certificate-using-certbot","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Certbot cPanel\/WHM SSL Installation Guide (2026)<\/title>\n<meta name=\"description\" content=\"Looking to install Sectigo ACME SSL on cPanel\/WHM? 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