Network Firewall Configuration and Automation

Successfully designed and implemented a secure, automated firewall solution to protect networks against modern threats. This project involved configuring iptables for robust traffic filtering, setting up NAT for network address translation, and developing a Python-based automation tool to enhance efficiency and performance.

Key Achievements:

• Firewall Rule Configuration: Defined and implemented iptables rules for packet filtering, port forwarding, and NAT to ensure secure traffic flow.
• Automation with Python: Developed a custom Python-based firewall management tool to automate rule creation, optimize configuration, and ensure persistence across reboots.
• Threat Mitigation: Conducted rigorous testing against common attack vectors, including port scans, DoS attacks, and unauthorized access attempts.
• Performance Optimization: Tuned iptables rules to minimize latency while maintaining high levels of security.
• Logging and Monitoring: Configured logging to track suspicious activity and integrated alerts for critical events.
• Rule Documentation: Created detailed documentation for firewall rules and automation scripts to ensure future scalability and maintainability.

Technologies Used:

Iptables, Python, Linux (Ubuntu and CentOS), Bash Scripting

Project Highlights:

• Rule Persistence: Ensured firewall rules persist across system reboots using iptables-save and iptables-restore mechanisms.
• Dynamic Rule Adjustment: Automated the process of dynamically adjusting rules based on network traffic patterns and security threats.
• Testing and Validation: Validated the firewall's effectiveness by simulating various attack scenarios using tools like Nmap and Hping3.

This project significantly enhanced my expertise in Linux-based firewall configuration, Python scripting, and network security. It demonstrated my ability to proactively secure networks and develop automation solutions to reduce administrative overhead.

Excited to continue exploring innovative ways to enhance cybersecurity in network infrastructure! 🚀