Easy-RSA is a tool used to create and manage certificates and keys for OpenVPN. In this tutorial, we will guide you on how to install Easy-RSA on FreeBSD latest.
Before installing Easy-RSA on FreeBSD, we need to install Git, which will help us to get the source code easily. To install Git, run the following command:
sudo pkg install git
Now, we need to clone the Easy-RSA repository from GitHub. To do so, run the following command:
git clone https://github.com/OpenVPN/easy-rsa.git
This will download the source code into a directory named "easy-rsa."
Copy the Easy-RSA files to the desired directory. You can copy the files to any directory of your choosing.
For example, to copy the files to the default SSL directory, run the following command:
mv easy-rsa /usr/local/share/easy-rsa
Now, we need to configure Easy-RSA by editing the vars file. To do so, navigate to the easy-rsa directory and open the vars file using your preferred text editor:
cd /usr/local/share/easy-rsa/
vi vars
In the vars file, you can set the default values for your certificates and keys. You can modify the values according to your preference.
With the configuration completed, now we can build the certificates using the Easy-RSA tool. To initialize the key directory and build the Certificate Authority (CA), run the following command:
./easyrsa init-pki
./easyrsa build-ca
This will create the necessary directory structure and certificate authority.
Now, we can generate certificates and keys for clients and servers by running the following commands:
./easyrsa gen-req client1 nopass
./easyrsa sign-req client client1
./easyrsa gen-dh
This will generate a certificate request, sign the request with the CA, and generate a Diffie-Hellman key exchange.
Easy-RSA is a useful tool for managing certificates and keys for OpenVPN. With the above steps, you can install and configure it on your FreeBSD system conveniently. If you face any issues, you can refer to the official Easy-RSA documentation for further guidance.
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