How To Secure Apache with Let's Encrypt on Ubuntu 18.04

How To Secure Apache with Let's Encrypt on Ubuntu 18.04

How To Secure Apache with Let's Encrypt on Ubuntu 18.04

Securing your Apache web server with SSL/TLS is an important step in ensuring the security of your website's data. Let's Encrypt is a free and open certificate authority that provides SSL/TLS certificates for your website.

Prerequisites

In order to follow this tutorial, you will need:

  • An Ubuntu 18.04 server
  • An Apache web server installed and running
  • Root or sudo access to the server

Step 1: Install Let's Encrypt Client

The first step is to install the Let's Encrypt client. The easiest way to do this is by using the certbot package, which is available in the default Ubuntu 18.04 repositories.

sudo apt-get update
sudo apt-get install certbot

Step 2: Obtain SSL/TLS Certificate

Once you have installed the Let's Encrypt client, you can use it to obtain an SSL/TLS certificate for your Apache server. To do this, run the following command:

sudo certbot --apache

This will launch the Let's Encrypt client and guide you through the process of obtaining a certificate. You will need to provide some information about your domain and email address.

Step 3: Configure Apache to Use SSL/TLS

After obtaining the certificate, you need to configure Apache to use SSL/TLS. To do this, edit the Apache configuration file:

sudo nano /etc/apache2/sites-available/default-ssl.conf

Find the following lines:

SSLCertificateFile /etc/ssl/certs/ssl-cert-snakeoil.pem
SSLCertificateKeyFile /etc/ssl/private/ssl-cert-snakeoil.key

Replace them with the following lines:

SSLCertificateFile /etc/letsencrypt/live/example.com/fullchain.pem
SSLCertificateKeyFile /etc/letsencrypt/live/example.com/privkey.pem

Replace "example.com" with your domain name.

Step 4: Enable SSL/TLS and Restart Apache

Now that you have configured Apache to use SSL/TLS, you need to enable the SSL/TLS module and restart Apache:

sudo a2enmod ssl
sudo systemctl restart apache2

Step 5: Verify SSL/TLS Configuration

Finally, you should verify that your Apache server is properly configured to use SSL/TLS. You can do this by visiting your website in a web browser and checking for the padlock icon in the address bar.

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