Raspberry Pi Router And Firewall Using nftables

Starting from scratch, setting up a Raspberry Pi to be used as a router and firewall using nftables. Here is a pretty good diagram showing the packet flow and the hooks that I was trying to explain: https://people.netfilter.org/pablo/nf-hooks.png This link also gives a good explanation of it all: https://wiki.gentoo.org/wiki/Nftables