strongSwan Open-source, modular and portable IPsec-based VPN solution Latest Release Version 5.9.13, 2023-12-01 Changelog Get the latest open-source GPLv2 version now, or learn more about commercial licensing options strongSwan is a comprehensive implementation of the Internet Key Exchange (IKE) protocols that allows securing IP traffic in policy- and route-based IPsec scenarios from simple to ver
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