![]() ![]() This process will create a single client key and certificate: For this default we will use 2048 bit key but you can always change it by editing the vars file in the easy-rsa folder:įinally, you need to generate an HMAC signature to strengthen the certificate: Creation of this file will depends on the length of the key. We will also need to create a Diffie-Hellman file. Run the command below in the current directory: Now we can clean up the environment and then build up our CA:Ĭongratulation….New RSA key will be created, and you’ll be asked to confirm the details you entered into the vars file earlier. clean-all, I will be doing a rm -rf on /home/user/openvpn-ca/keys If there aren’t any errors, you’ll see the following output: # which will be placed in the certificate. # These are the default values for fields ![]() We’ll be editing some variables toward the end of the file: ![]() Thus, we need to set up a certificate authority (CA) on the VPS to create and manage these certificates: The OpenVPN server uses certificates to encrypt traffic between the server and various clients. First make sure that all your system packages are up-to-date by running these following apt-get commands in the terminal. I will show you through the step by step installation OpenVPN open source virtual private network on a Ubuntu 16.04 (Xenial Xerus) server. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo’ to the commands to get root privileges. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The packets sent through the VPN tunnel are encrypted with 256 bit AES encryption making data theft impossible. All the devices connected to a virtual private network act as if they’re linked to your local area network. OpenVPN functions in the client server structure. OpenVPN is an SSL VPN solution which drains your system connection securely through the Internet. OpenVPN is an open source application which is widely used to create secure virtual private networks over the unsecured public Internet. ![]()
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