network-*
5/10 modules — 5 to graduate
web-network-services
Network Services
DHCP, DNS, NTP, and NAT
web-network-classes
Network Classes
IP address classes visualization
web-network-addressing
Understanding Addresses
IP addressing fundamentals
web-network-essentials-pres
Network Essentials
Networking fundamentals overview
web-network-architect
Network Architect
Drag-and-drop topology builder. Design network architectures with routers, switches, firewalls, and servers to meet secu
packet-*
5/10 modules — 5 to graduate
web-packet-analysis-lab
Packet Analysis Lab
Analyze simulated packet captures — TCP headers, DNS queries, HTTP traffic, and suspicious pattern recognition
web-packet-sniffer
Packet Sniffer
Wireshark-style packet capture analysis. Examine network traffic patterns and answer questions about protocols, port sca
web-packet-run
Packet Run
8-bit pixel endless runner. You are a network packet dodging firewalls, IDS sensors, malware, and DDoS floods. Chiptune
web-packet-flap
Packet Flap
Navigate packets through firewall gaps in this flappy bird style networking challenge
web-packet-invaders
Packet Invaders
Space Invaders style game defending firewall against hostile packets
wireless-*
3/10 modules — 7 to graduate
web-wireless-arch-viz
Wireless Architecture Visualizer
Wireless network architecture
web-wireless-viz
Wireless Visualizer
WiFi standards and concepts
web-wireless-warzone
Wireless Warzone
WiFi security monitoring simulator. Detect rogue access points, evil twins, deauth attacks, and WPA handshake captures.
dns-*
3/10 modules — 7 to graduate
web-dns-reference
DNS Header Reference
DNS packet structure reference
web-dns-troubleshooting-lab
DNS Troubleshooting Lab
Diagnose DNS issues — record types, nslookup, dig output analysis, misconfigurations, and CNAME loops
web-dns-resolver-race-game
DNS Resolver Race (Game)
Point-and-click DNS resolution game — trace queries through root, TLD, and authoritative servers across 10 levels