Linux Security: The Complete Iptables Firewall Guide

Linux Security Improved. Create professional Netfilter/Iptables Firewalls. All you need to know about Netfilter/Iptables

Created by: Andrei Dumitrescu
Software Engineer and Lead Instructor

Created by: Crystal Mind Academy
Teaching Cutting-Edge Technologies

What Will I Learn?

• Acquire an in-depth understanding of the Netfilter/Iptables Linux Firewall (chains, tables, matches, targets).
• Acquire the skills to build Advanced Iptables Firewalls. Hands-on experience with Iptables.
• Learn to work efficiently with IPSET to drop large collections of IPs and Networks (like entire Countries).
• Understand Iptables best practices for creating custom Firewalls.
• Acquire the skills to configure Linux as a NAT Router.
• Acquire the skills to configure Port Forwarding on Linux Routers.
• See practical examples for EACH Iptables Command, Match or Target.
• Use Shell Scripts to automate tasks like blocking or permitting a service, an IP/Network or a MAC address.
• Apply the skills to secure servers, networks, routers or Linux Operating Systems.
• Hundreds of hands-on exercises with solutions and quizzes.

Requirements

• Local root access to a Linux distribution like Ubuntu or CentOS. No paid software required.
• Linux basics like commands, file permissions, text editors etc.
• Basic knowledge of TCP/IP stack (how clients and servers typically communicate, TCP, UDP, ICMP, IP's, ports, etc).
• Very basic knowledge of other Networking concepts like NAT or Routing.

Target audience

• Linux Sysadmins.
• Network Administrators.
• DevOps Engineers.
• Security Professionals.