Subspace
Network Traffic Visualizer — interactive educational tool for understanding network protocols and security concepts
Interactive network protocol education tool with hands-on labs for understanding network protocols and security concepts. Covers TCP connection behavior, DNS resolution, TLS and HTTPS diagnostics, packet anatomy, man-in-the-middle attacks, protocol comparison, firewall rules, CIDR calculations, and network monitoring scenarios.
Includes practical tools: first-match firewall rule evaluation with CIDR and port ranges, CIDR subnet and overlap checks, deterministic DNS fixtures for success and failure cases, and diagnostics for healthy links, WAN congestion, Layer 1 errors, and DNS resolver incidents.
Built with Vite and vanilla JavaScript ES modules. Fully accessible with ARIA labels, keyboard navigation, skip links, and reduced-motion support. Inter + JetBrains Mono typography with an indigo/violet color scheme.