How-to implement a multi-client Site-to-Site VPN with WireGuard
This technical white paper is an operational guide to implement a multi-client Site-to-Site VPN infrastructure using WireGuard, a solution renowned for its flexibility and robustness.
Connecting multiple remote sites securely and efficiently remains a critical challenge for modern enterprise networks. This technical white paper by Airbus Protect provides a detailed operational framework for implementing multi-client Site-to-Site Virtual Private Network (VPN) architectures using WireGuard and OpenVPN. By comparing these two leading open-source technologies, the paper evaluates key performance metrics, cryptography, and implementation complexity. It offers actionable deployment guidelines to help IT and security architects select, configure, and maintain high-performance, resilient VPN tunnels tailored to their specific operational requirements.
What you will find
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Comparative Architecture Analysis: A detailed evaluation contrasting WireGuard’s lightweight, kernel-level implementation against OpenVPN’s battle-tested flexibility and protocol adaptability.
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Step-by-Step Deployment Guide: Operational instructions and best practices for establishing and configuring scalable multi-client Site-to-Site network topologies.
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Cryptographic & Performance Metrics: Insights into protocol efficiency, key exchange mechanisms, throughput overhead, and attack-surface reduction.
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Network Infrastructure Integration: Practical recommendations for routing, firewall traversal, and ensuring uninterrupted connectivity across multi-site environments.
Authors
Airbus Protect
experts