Simple Firewall in Rust

Overview

This project is a step-by-step guide to building a simple, command-line firewall application in Rust. It allows users to define rules for accepting or dropping incoming network packets based on specified criteria.

You can read the full article with the step-by-step guide here: Implementing a Firewall in Rust.

Prerequisites

Before you begin, ensure you have Rust installed on your system. Follow the Rust Installation Guide for guidance.

Getting Started

Clone this repository and navigate into the project directory:

git clone [URL to your repository]
cd rust_firewall

Features

• Rule Definition: Define rules based on source IP, destination port, and other criteria.
• Rule Management: Add, remove, and list firewall rules.
• Iptables Integration: Update iptables based on defined rules.
• Command-Line Interface: Easy-to-use CLI for managing the firewall.
• Packet Processing: Process incoming packets and apply rules.
• Logging: Log accepted and dropped packets for monitoring.
• Error Handling: Gracefully handle errors and provide informative messages.

Contributing

Contributions to this project are welcome. Please submit a pull request or open an issue to suggest improvements.

License

This project is licensed under the MIT License.