Configure a Firewall in Linux

Overview

Linux has a built-in packet filtering firewall which allows system administrators to configure the IP packet filter rules of the Linux firewall.

Utilizing the built-in Linux application firewall IPtables or UFW, set up and create rules to actively filter networking packets and block specific ports.

Project Recommendations

It is recommended you have familiarity with the basics of Linux, an understanding of the TCP/IP and OSI Models, basic understanding of how networking functionality and formidable researching skills.

Starting Resources & Links

• The Beginner’s Guide to iptables, the Linux Firewall – HowtoGeek
• Iptables Tutorial: Ultimate Guide to Linux Firewall – phoenixNAP
• How to Configure a Firewall with UFW – Linode

Recommended Level

Beginner

Project Author Credit: Grant C. – Project Idea Inspired by LinuxTrainingAcademy