![]() Once the file is opened, paste in the following two lines:īackground: When clients connect to OpenVPN, they use asymmetric encryption (also known as public/private key) to perform a TLS handshake. First you will cd into the easy-rsa directory, then you will create and edit the vars file using nano or your preferred text editor. ![]() To build a PKI directory on your OpenVPN server, you’ll need to populate a file called vars with some default values. You will use this directory to manage the server and clients’ certificate requests instead of making them directly on your CA server. Step 2 - Creating a PKI for OpenVPNīefore you can create your OpenVPN server’s private key and certificate, you need to create a local Public Key Infrastructure directory on your OpenVPN server. Once these programs are installed and have been moved to the right locations on your system, the next step is to create a Public Key Infrastructure (PKI) on the OpenVPN server so that you can request and manage TLS certificates for clients and other servers that will connect to your VPN. As a result, any updates to the easy-rsa package will be automatically reflected in your PKI’s scripts.įinally, ensure the directory’s owner is your non-root sudo user and restrict access to that user using chmod: Note: While other guides might instruct you to copy the easy-rsa package files into your PKI directory, this tutorial adopts a symlink approach.
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