How to Enable TLS 1.3 in Nginx on Ubuntu 18.04 LTS

TLS 1.3 is a version of the Transport Layer Security (TLS) protocol that was published in 2018 as a proposed standard in [RFC 8446](https://tools.ietf.org/html/rfc8446). It offers security and performance improvements over its predecessors. This guide will demonstrate how to enable TLS 1.3 using the Nginx web server on Ubuntu 18.04 LTS. - Nginx version `1.13.0` or greater. - OpenSSL version `1.1.1` or greater. - Vultr Cloud Compute (VC2) instance running Ubuntu 18.04. - A valid domain name and ......