Blog post by netilter dev on the upcoming transition from iptables to nftables. A suite of legacy compatible binaries will be available to allow interoperability of iptables rules with the nftables backend.
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There are easier tools to deal with them like:
(They are not cross compatible)
gufw/ufw with iptables
firewalld with nftables
gufw can be used with nftables through iptables backward compatibility called iptables-nft (though for the future its recommended against to have any iptables stuff to begin with)
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This thread isn’t about having compatible front-ends with nftables, but making sure iptables rulesets are still compatible going forward and researching programs that can transform these older rulesets into something that is 100% equivalent in nft