> I’d love to see how iptables actually works. If you're actually interested in iptables the old packet filter how-to is great: https://www.netfilter.org/docu

> I’d love to see how iptables actually works. If you're actually interested in iptables the old packet filter how-to is great: https://www.netfilter.org/documentation/HOWTO/packet-filtering-HOWTO.html https://www.netfilter.org/documentation/HOWTO/packet-filteri... But iptables is turning into just a legacy interface for nftables in modern Linux. See eg: https://wiki.debian.org/nftables https://wiki.debian.org/nftables https://wiki.nftables.org/wiki-nftables/index.php/Main_Page https://wiki.nftables.org/wiki-nftables/index.php/Main_Page