LECCFirewall

A dynamic communication firewall built on the LECC framework to ensure uninterrupted connectivity. LeccFirewall is an advanced communication management system that leverages the LECC framework to maintain connectivity in critical scenarios. It dynamically scans available protocols, prioritizes them based on user-defined roles, and reroutes data through fallback options when primary connections fail.

Features

• 🌐 Multi-Protocol Support: Works with HTTP, TCP, UDP, MQTT, UART, Bluetooth, and more.
• 🧩 Dynamic Adaptation: Automatically switches to available protocols during failures.
• 🚀 Priority-Based Routing: Ensures critical systems (e.g., payment terminals) stay online.
• 📺 Real-Time Monitoring: Continuously checks and updates connection status.

Installation

1. Clone the repository:

   git clone https://github.com/AlejoMalia/LeccFirewall.git
   cd LeccFirewall
   

2. Install dependencies:

   pip install -r requirements.txt
   

3. Run the firewall:

   python leccfirewall.py
   

Use Cases

1. Hospital Critical Systems

⚠️ Problem: Internet cuts interrupt patient monitors.

🧪 Solution: LeccFirewall switches MQTT sensor data to UART or TCP over a local network, keeping doctors informed.

💎 Outcome: Continuous patient monitoring despite network issues.

2. Smart City Traffic Management

⚠️ Problem: Network failure stops traffic light coordination.

🧪 Solution: LeccFirewall uses UDP or Ethernet backups to maintain local control until the main network recovers.

💎 Outcome: Traffic flows smoothly during outages.

Configuration

Edit leccfirewall.py to define your system's roles and priorities:

self.device_roles = {
    "http": "critical",  # Payment terminals
    "udp": "secondary",  # Local network backup
    "tcp": "secondary"   # Server
}
self.priority_rules = {
    "critical": ["HTTP", "UDP", "TCP"],
    "secondary": ["TCP", "UDP"]
}

Dependencies

Listed in requirements.txt:

requests
paho-mqtt
smbus2
flask

Contributing

Feel free to fork this repository, submit pull requests, or open issues for suggestions!

License

This project is open-source under the MIT License.

Credits

	Name	Role	GitHub
	Alejo	Author & Development	@alejomalia

Developed with assistance from Grok3, created by xAI.