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Mastering Iptables Firewall

Handling Iptables Firewall in professional Way. All you need to know about Iptables Firewall
(82 reviews)
446 students
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Platform: Udemy
Video: 6h 51m
Language: English
Next start: On Demand

Table of contents


Security is one of the main issue in IT Industry. We want some robust, flexible, affordable and Open Source based security solution. Iptables Firewall satisfy all these requirements. This course will start from basics and will slowly and slowly takes you into depth of Firewall
Firewall is basically a system that prevents unauthorized communication.
– to it (INPUT)
– from it (OUTPUT)
– through it (FORWARD)
The Iptables firewall is open source, low cost (or you can say no cost at all) and highly flexible stateful firewall. To properly understand firewall, we will be discussing several different scenarios. You will be able to appreciate the power of Linux based Iptables firewall after going through different examples.

You will learn

✓ Get in depth knowlegde of Linux Iptables Firewall
✓ Firewall Introduction
✓ Types of Firewall
✓ Direction of Firewall
✓ What can be blocked/permitted ?
✓ Lab Setup Details
✓ Working with INPUT Chain
✓ Working with OUTPUT Chain
✓ Working with FORWARD Chain
✓ How to Block Layer 3 Traffic
✓ How to Block Layer 4 Traffic
✓ How to Block Layer 2 Traffic
✓ Handling ICMP Traffic
✓ Using SNAT
✓ Using DNAT
✓ Setting Default Policy
✓ Directional Filtering
✓ Connection Tracking
✓ Allowing Different Services in Default DROP Policy
✓ Using REJECT Target
✓ Create Custom Chains


• Basic Linux and Networking Knowledge required

This course is for

• Network Administrators
• Security Professionals
Linux & Cloud Engineer
Vipin Gupta is BE, Redhat Certified Engg (RHCE), Certified Ethical Hacker (CEH),  Cisco Certified (CCNA), Microsoft Certified (MCSE, MCSA). He has got more  than 25 years of experience in IT related fields. His specialization is in Networking, Security, Linux, Cloud Computing, Docker, Kubernetes and SDN. During his long career he  has been associated with various Universities, Engineering Colleges, Polytechnics, Private Institutes and Corporate Sector. He is interacting with both corporate and academic world. He is author of 2 Linux, 1 Software Defined Networking and 1 Kubernetes book. He has published more than 20 research papers in international publications. He has conducted hundreds of Workshops/STCs on various technologies.
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Platform: Udemy
Video: 6h 51m
Language: English
Next start: On Demand

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