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🛡️ Cybersecurity Learning Game

Firewall Defender

Inspect simulated network packets, apply firewall rules, and learn how real allow/block decisions protect a network across five levels.

Current Mission

Level 1: Basic Port Filtering

Allow normal web and DNS traffic. Block risky legacy or suspicious traffic.

Answer 8 packet questions correctly.

Firewall Rules

Turn rules on or off. Rules are evaluated from top to bottom, just like a real firewall policy.

📡
Source Zone
🛡️
Firewall
🖥️
Destination Zone
TCP/443

Packets travel toward the firewall. Your decision determines whether traffic reaches the protected system or gets blocked.