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How to Secure Nginx with Let’s Encrypt on CentOS 8

Founded in April 2016 by the Electronic Frontier Foundation (EFF), Let’s Encrypt is a free and automated digital certificate that provides TLS encryption for websites at absolutely no cost at all.

The objective of Let’s Encrypt certificate is to automate the validation, creation, signing as well as auto-renewal of the security certificate. This certificate enables encrypted connections to webservers using the HTTPS protocol in a simple, hassle-free manner without any complexities. The certificate is valid for only 90 days upon which autorenewal can be activated.