Security of the network is the most important thing. We want security mechanisms which are easy to implement, open source, robust, flexible and affordable. Linux based iptables firewall satisfy all these parameters.
We are going to cover the following topics in this course.
- 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
The Course is available at Udemy. Click on Join Course.
https://www.udemy.com/course/mastering-iptables-firewall/?referralCode=4C477A430BFE7B4B51BE
