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Systems & Data Center · Advanced

nftables

The modern Linux netfilter framework and nft command that replace iptables, ip6tables, arptables and ebtables.

Definition

nftables uses a single syntax for IPv4, IPv6 and bridging, with tables, chains, sets and maps for efficient rule matching. firewalld uses nftables as its back end on current RHEL.

Example

nft list ruleset prints all active firewall rules.

Exam tip

nftables is the successor to iptables and is the back end of firewalld on RHEL 8 and later.

Related terms