[DirectAdmin] Let's encrypt certificates installation in your DirectAdmin control panel

ValentineValentine Administrator
Let’s Encrypt is a free, automated, and open certificate authority (CA), run for the public’s benefit. Let’s Encrypt is a service provided by the Internet Security Research Group (ISRG).

In this tutorial you will find out how you can benefit from these certificates by providing security for your "DirectAdmin" websites.

The tutorial was prepared with our "DirectAdmin 1.5 with CentOS 6" template and is meant to work on our self-managed virtual private servers.

0. Preliminary requirements:
"DirectAdmin 1.5 with CentOS 6" template installed on server;

1. Updating "DirectAdmin" control panel:

cd /usr/local/directadmin

wget --no-check-certificate -O update.tar.gz 'https://www.directadmin.com/cgi-bin/daupdate?redirect=ok&uid=XXXX&lid=YYYYY'

Where XXXX - Client ID, YYYYY - License ID in "DirectAdmin" control panel under "Admin Level" > "Licensing / Updates".

tar xvzf update.tar.gz

./directadmin p

cd scripts

./update.sh

service directadmin restart

2. Enabling "Let's Encrypt":

echo 'letsencrypt=1' >> /usr/local/directadmin/conf/directadmin.conf

echo 'enable_ssl_sni=1' >> /usr/local/directadmin/conf/directadmin.conf

cd /usr/local/directadmin/custombuild/

./build rewrite_confs

3. Installing "Let's encrypt certificate
Login to your "DirectAdmin" control panel "user level" and choose a domain. In menu select "SSL Certificates" and after selecting "Free & automatic certificate from Let's Encrypt" and filling up fields:
Press "Save".

Now what is left is just to enable SSL on you website. For this get back to menu and select "Domain Setup". Select the domain for which you installed certificate and after checking "Secure SSL" box press "Save". If you want for HTTPS protocol to show what is in "public_html" folder check "Use a symbolic link from private_html to public_html - allows for same data in http and https" line and press "Save". The result should look like this:
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