This file defines the network parameters, such as the protocol, port, and subnet, and references the cryptographic materials. The core package is supplemented by `easy-rsa`, a toolkit for managing the Public Key Infrastructure (PKI) required for authentication.
Arch Linux OpenVPN Server Setup Guide
Modern security standards recommend using at least 2048-bit keys, though 4096-bit is preferred for high-sensitivity environments. conf` file and uncomment the line `net.
Easy-RSA provides the scripts to generate the Certificate Authority (CA), server certificates, and client certificates. The client configuration file needs the CA certificate, the client certificate, and the client key.
Arch Linux OpenVPN Server Setup Guide
cp -r /etc/easy-rsa/ ~/openvpn-ca Next, you edit the `vars` file within this new directory to set parameters like the key size and organization details. Key directives include `ca`, `cert`, `key`, and `dh`, which point to the respective files created in the previous step.
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