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Explore the development of a modular IPsec implementation using Rust in this 26-minute conference talk from DevConf.CZ 2025. Learn about the challenges of traditional monolithic IKE (Internet Key Exchange) daemon architectures and discover an experimental approach to creating a composable IKE implementation that can be built as a library and embedded directly into applications. Understand how IPsec functions as a versatile L3 traffic protection solution across various use cases, from VPN servers for intranet access to encrypted mesh networks with managed nodes. Examine the limitations of current single monolithic daemon implementations that cover all usage scenarios and often complicate application integration. Discover how this modular Rust-based approach aims to simplify IPsec configuration, improve troubleshooting capabilities, and reduce attack surfaces by allowing build-time composition and direct application embedding.
