vpn security

Practical guide to building a secure, high-performance WireGuard VPN for AI workloads: why it fits (small attack surface, in-kernel speed, easy automation) and bash-ready best practices—install steps, threat modeling and hub-and-spoke design, strict key/PSK management and rotation, least-privilege AllowedIPs and segmentation, MTU/MSS/buffer tuning validated with iperf3, health checks/monitoring, and example configs plus a checklist to harden and scale.