OpenBSD-based Next-Generation Firewall Design and Implementation

Ongoing design and deployment of custom network security appliances built on open-source platforms. This includes OpenBSD-based routers with custom deep packet inspection using divert sockets, PF firewalls, and OPNSense-based firewall appliances. These systems are built on purpose-selected hardware and configured for high-performance packet filtering, traffic shaping, intrusion detection, and network segmentation across home lab and production environments.