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Nftables adalah firewall pengganti iptables dari netfilter framework. https://wiki.debian.org/nftables https://netfilter.org/projects/nftables/ https://wiki.nftables.org/wiki-nftables/index.php/Moving_from_iptables_to_nftables nftables is a netfilter project that aims to replace the existing {ip,ip6,arp,eb}tables framework. It provides a new packet filtering framework, a new user-space utility (nft), and a compatibility layer for {ip,ip6}tables. It uses the existing hooks, connection tracking system, user-space queueing component, and logging subsystem of netfilter.  https://wiki.archlinux.org/title/nftables Diagram untuk memahami konsep nftables: https://wiki.nftables.org/wiki-nftables/index.php/Netfilter_hooks Bisa diperhatikan misalnya: ada paket masuk ke dalam router/server dicek dulu apakah interface port nya bridge atau tidak jika tidak kemudian jenis filter protocol apa yang ingin dipakai, misalnya protokol IP maka fokus saja ke background hijau didiagram di atas. Ini sesuai den