iptables is legacy now and if you're not already well-versed in it, better go straight to nftables (which should be easier to get started with anyway). On moder

iptables is legacy now and if you're not already well-versed in it, better go straight to nftables (which should be easier to get started with anyway). On modern systems, iptables commands are translated to nftables equivalents by transitional package.