OpenVPN is an open-source application that allows you to create a secure private network over the public internet. OpenVPN implements a virtual private network (VPN) to create a secure connection. OpenVPN uses the OpenSSL library to provide the encryption and it provides several authentication mechanisms, such as certificate-based, pre-shared keys, and username/password authentication. Learn how to install OpenVPN with Easy-RSA 3 on CentOS 8:
In this tutorial, we will show you how to step-by-step install and configure OpenVPN on CentOS 8 Server. And we will implement the certificate-based OpenVPN authentication.