🛡️ Windows Packet Firewall

A modern, lightweight packet filtering firewall for Windows with real-time monitoring and logging capabilities.

📸 Application Screenshots

Firewall Console Interface

Detailed Log File View

🌟 Features

🔒 Packet Filtering

• HTTP traffic blocking (port 80)
• HTTPS traffic logging (port 443)
• Telnet blocking (port 23)
• FTP monitoring (ports 20, 21)
• ICMP traffic analysis

📊 Advanced Monitoring

• Live packet analysis
• Traffic statistics
• Protocol-based filtering
• Port-based rules

📝 Comprehensive Logging

• Event logging
• Traffic pattern analysis
• Security threat detection
• Performance metrics

🚀 Technologies

Core Technologies

• Language: C17 (Modern C Standard)
• System Integration: WinAPI
• Packet Capture: Npcap

Build Ecosystem

• Build System: CMake 3.15+
• Toolchain: Clion 2024.3.2

Key Libraries

• Packet Processing: LibPcap
• Network Operations: WinSock2

📋 Prerequisites

• Windows 10/11
• Clion 2024.3.2
• CMake 3.15+
• Npcap library
• Administrator privileges

⚙️ Installation

1. Clone Repository

git clone https://github.com/scrollDynasty/windows-firewall.git
cd windows-firewall

2. Install Npcap

• Download from Npcap Official Site
• Run installer with default settings

3. Build Project

mkdir build
cd build
cmake ..
cmake --build . --config Release

🎮 Usage

1. Run as Administrator

.\firewall.exe

2. Network Interface Selection

• Choose active network interface
• Begin real-time monitoring

3. Traffic Monitoring

• Watch live packet analysis
• Review logs at ./logs/firewall.log

🛠️ Default Configuration

Port/Protocol	Action	Description
HTTP (80)	⛔ Block	Prevent unencrypted traffic
HTTPS (443)	📝 Log	Monitor secure web traffic
Telnet (23)	⛔ Block	Disable insecure remote access
FTP (20, 21)	📝 Monitor	Track file transfer activity
ICMP	✅ Allow	Permit network diagnostics

🔍 Project Structure

firewall/
├── src/       # Core firewall logic
│   ├── core/  # Main implementation
│   ├── network/  # Network handling
│   └── utils/    # Utility functions
├── include/   # Header definitions
├── extern/    # External dependencies
└── docs/      # Project documentation

🤝 Contributing

Contributions are welcome! Please read our Contributing Guidelines.

📝 Version History

• v1.0.0 (2025-01-25)
  • Initial release
  • Basic packet filtering
  • Logging system
  • Real-time monitoring

👤 Author

scrollDynasty

• GitHub: @scrollDynasty

📄 License

MIT License - see LICENSE for details.

🙏 Acknowledgments

• Npcap Development Team
• LibPcap Contributors
• Windows Network Programming Community

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Made with ❤️ by scrollDynasty

© 2025 Windows Packet Firewall. All rights reserved.