Hi folks, Maybe I am too blind to see, but I haven’t seen it mentioned on docs.docker.com : Does docker support nftables? Does it still require the legacy iptables or the new nftables/iptables-nft? Both are available on Debian (and probably on Ubuntu and others) , but AFAIU there are subtle differe…

Podman inherited this problem from Docker: CNI bridge network driver In the tries to use iptables on distros where only nft exists, like CentOS 8.2. The Docker documentation mentions iptables only but forced CentOS upgrade has replaced iptables with nft. iptables-legacy has disappeared together with…

see https://github.com/docker/docker.github.io/issues/11612

Iptables-legacy vs iptables-nft

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jrglindemann (Jrglindemann) February 26, 2023, 4:13pm 5

I read somewhere that Docker uses netfilter, which nftables or iptables sit on top of, and nft or ipt just “interpret” the entries.

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Iptables-legacy vs iptables-nft

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