Let's Encrypt is a non-profit certificate authority run by Internet Security Research Group (ISRG) that provides X.509 certificates for Transport Layer Security (TLS) encryption at no charge. It is the world's largest certificate authority, used by more than 300 million websites, with the goal of all websites being secure and using HTTPS. The Internet Security Research Group (ISRG), the service provider, is a public benefit organization. Major sponsors include the Electronic Frontier Foundation (EFF), the Mozilla Foundation, OVH, Cisco Systems, Facebook, Google Chrome, Internet Society, AWS, NGINX, and Bill and Melinda Gates Foundation. Other partners include the certificate authority IdenTrust, the University of Michigan (U-M), and the Linux Foundation.
To encrypt a website using Let's Encrypt and Apache2 / Nginx, you can do this by following the steps below:
Prerequisites:
- You need to have a domain name pointing to your server's IP address.
- Apache2 or Nginx should already be installed and configured on your server.
- You should have root or sudo access to your server.
Installation Process:
Step1: Install Certbot
Certbot is a tool provided by Let's Encrypt to help you obtain and manage SSL/TLS certificates. You can install Certbot using the package manager for your operating system.