Published at LXer:

nftables is the successor to iptables on Linux systems, and has since become the default firewall. If you have not yet transitioned over to nftables, you are missing out on improved performance, easier command syntax, and an overall simpler way to manage firewall rules. In this tutorial, you will learn how to transition to nftables from iptables. To do so, we must become familiar with how nftables differs from iptables from a functional standpoint, as well as the new command syntax for configuring rules.

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