Computer Networks 101 by Karthikeyan Nagaraj
Basic Firewall Setup in Linux with UFW and Iptables
Securing Your Linux Network: A Beginner’s Guide to Using UFW and Iptables for Firewall Management
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In any networked environment, firewalls play a critical role in protecting your system by controlling inbound and outbound traffic based on predefined rules. A properly configured firewall is one of the most effective ways to secure your Linux system from unauthorized access and potential threats.
In this article, I’ll guide you through setting up a basic firewall in Linux using two popular tools: UFW (Uncomplicated Firewall) and Iptables. We’ll cover how to create, manage, and apply firewall rules to secure your system, ensuring that only trusted traffic can access your services.
What is a Firewall?
A firewall is a network security system that monitors and controls incoming and outgoing network traffic. Firewalls use a set of rules to filter traffic…
