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Nftables

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May 11, 2024 4 minute read

Nftables, or netfilter, is a framework that provides raw access to the Linux kernel networking layer. It is a dynamic packet filtering and network address translation (NAT) tool, and it is considered the successor to the iptables framework. Nftables provides a number of benefits over iptables, including the ability to create much more complex rulesets, the use of sets and maps to store data, and the ability to use expressions to evaluate conditions.

How Nftables Works

Path to Nftables

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We've curated two courses to help you on your path to Nftables. Use these to develop your skills, build background knowledge, and put what you learn to practice.

Sorted from most relevant to least relevant:

What’s New in CentOS 8

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RHEL 8: Managing Networking

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Reading list

We've selected three books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Nftables.

Linux Security Cookbook

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While this book focuses on iptables, it provides a solid foundation for understanding Nftables as both share many concepts and underlying mechanisms. is valuable for network administrators and security professionals.

Linux Security Cookbook

Paperback

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Linux Security Cookbook

Kindle Edition

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Linux Network Administrator's Guide

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Provides a thorough introduction to Netfilter/Iptables, with a focus on packet filtering, but does not cover Nftables in depth.

Linux Network Administrator's Guide

Paperback

Linux Security Fundamentals

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Covers the fundamentals of Iptables and is particularly useful for those new to network security, but may not be as relevant for those already familiar with firewall management.

Linux Security Fundamentals

Paperback

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Linux Security Fundamentals

Kindle Edition

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Relevant careers

Network Administrator

Security Engineer

System Administrator

DevOps Engineer

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