Installing Free SSL for Server Hostname Using Letsencrypt

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Overview

The Let's Encrypt plugin allows you to automatically provision cPanel accounts with Let's Encrypt SSL certificates for sites that do not already have valid CA-signed SSL certificates.

Requirements

Root SSH access to WHM i386 or x86_64 CentOS 6 or 7 (5 is not supported) WHM 11.52 or higher (CloudLinux and LSWS compatible) Remote access key has been generated (/root/.accesshash). If it is not present, simply visit the Remote Access Key” page in WHM. Please note: cPanel DNSONLY servers are currently NOT supported.

Installation

To install the plugin, perform the following steps:

Log in to the command line via SSH as the root user.

Run the following command:

/scripts/install_lets_encrypt_autossl_provider

Thenselect Let's Encrypt as an AutoSSL provider, use WHM's Manage AutoSSL interface (Home >> SSL/TLS >> Manage AutoSSL).

Installing Letsencrypt for Server Hostname

First take a backup of your current SSL CRT directory first:

# tar -zcf /root/cptechs/var_cpanel_ssl.tar.gz$(date +%s) /var/cpanel/ssl/

Go to WHM > Service Configuration > Manage Service SSL Certificates and clicked "Reset Certificate" for each service to install a Self Signed SSL CRT.

Run below command in command line to issue new SSLfor services

/usr/local/cpanel/bin/checkallsslcerts --verbose

The system will attempt to replace the self-signed certificate for the exim” service with a signed certificate from the cPanel Store. The system will attempt to replace the self-signed certificate for the ftp” service with a signed certificate from the cPanel Store. The system will attempt to replace the self-signed certificate for the dovecot” service with a signed certificate from the cPanel Store. The system will attempt to replace the self-signed certificate for the cpanel” service with a signed certificate from the cPanel Store. The cPanel Store is processing the hostname certificate request. The system will check the cPanel Store again the next time that /usr/local/cpanel/bin/checkallsslcerts” runs.

We can see the SSL CRT's have been requested for your services. The hostname for the SSL CRT will be with one that is currently defined in cPanel:

# whmapi1 gethostname|grep hostname:

hostname: server1.hostname.com

While the process is not always this fast, after a few moments, we can see the SSL CRT's are ready for install. Then re-ran the '/usr/local/cpanel/bin/checkallsslcerts --verbose' command which would have been ran at maintenance time. You may verify at WHM > Service Configuration > Manage Service SSL Certificates.

You can verify SSL installation by running https://server1.hostname.com:2087 You can see a green padlock with letsencrypt SSL.
 
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#2
I never used free SSL from Letsencrypt
It is better than free ssl of Cloudflare?
If I am using Directadmin, Plesk or other free hosting control panels, can I use this guide to install Let's Encrypt SSL certificates on my hosting?
 
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Hello mcottle,

i didn't used Cloudflare free SSL yet. So i don't know how better it is.
You can install Letsencrypt free SSL only in cPanel servers. It can't be installed in Directadmin & Plesk.
 
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#6
I love Let's Encrypt, and I advise all web hosts to buy a license for it :)
 
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