GhostShield: A Lightweight DNS Sinkhole & Network Traffic Monitor
GhostShield is an innovative solution tailored for Raspberry Pi Zero, designed to act as a custom DNS sinkhole and monitor network traffic efficiently. Built entirely in Python, this tool prioritizes performance and longevity through the use of an in-memory database that minimizes wear on SD cards.

Key Features

• High Performance: Experience rapid DNS resolution and blocking, as all operations are conducted in RAM.
• The Eye Dashboard: Utilize an engaging, real-time web interface to visualize network traffic and effectively monitor blocked threats.
• Gravity Well Integration: Automatically load over 150,000 known ad and tracking domains from the StevenBlack list to enhance your ad-blocking capabilities.
• Pure Python Architecture: Built with dnslib and Flask, GhostShield offers a modern and hackable environment, ensuring lightweight performance.
• Responsive Design: Access the dashboard seamlessly on all devices, including desktops, mobiles, and tablets.

Technology Stack

• Language: Python 3
• Web Framework: Flask
• DNS Handling: dnslib
• Frontend Technologies: HTML5, TailwindCSS, Chart.js

Disclaimer

This project serves as a Proof of Concept (PoC) for educational purposes. While GhostShield is effective in blocking ads, any network-related issues that arise from its use are the responsibility of the user.