Linux Security: The Complete Iptables Firewall Guide
Linux Security Improved. Create professional Netfilter/Iptables Firewalls. All you need to know about Netfilter/Iptables
4.73 (1458 reviews)
10 641
students
9.5 hours
content
Apr 2025
last update
$84.99
regular price
What you will 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.
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Our Verdict
This exhaustive Netfilter/Iptables Linux Firewall course is an excellent starting point to enhance your security skills or maintain a current arsenal of best practices. The instructor provides clear explanations and practical examples, ensuring that even beginners can follow along without feeling overwhelmed. Despite minor shortcomings, such as the accent barrier or lack of some advanced topics, the valuable insights from this course make it worth every learner's time.
What We Liked
- A highly comprehensive course covering Netfilter/Iptables for Linux firewalls with practical examples and use-cases.
- Instructor's clear explanations of concepts, providing just enough but not overwhelming information, making it accessible for learners at any level.
- Real-world examples helping to understand the application, including filtering by country, logging malicious traffic, IP sets optimizations, and DoS prevention.
- Numerous hands-on labs, quizzes, and exercises supporting the consolidation of knowledge acquired throughout the course.
Potential Drawbacks
- Some chapters missing challenges or additional topics like raw and mangle table, although these may be added in future updates.
- Accent of the instructor might be challenging to follow for some students. Nevertheless, it remains comprehensible throughout the course.
- The last lecture on scripting seemed rushed for certain individuals; however, repetition earlier in the course has helped reinforce understanding.
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1779610
udemy ID
03/07/2018
course created date
27/04/2019
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