This recipe will demonstrate how to create and sign a certificate request using plain
openssl commands. This is slightly different from using the
easy-rsa scripts, but very instructive.
Set up the
easy-rsa certificate environment using the first recipe from Chapter 2, Client-server IP-only Networks, by sourcing the
vars file. This recipe was performed on a computer running Fedora 22 Linux but it can easily be run on Windows or MacOS. Note that the
easy-rsa package can be downloaded independently of OpenVPN itself.
Before we can use plain
openssl commands to generate and sign a request, there are a few environment variables that need to be set. These variables are not set in the
vars file by default. ...