This diagram [0] from Wikipedia has always been my favorite way of understanding the flow of a packet through the kernel. [0] https://upload.wikimedia.org/wiki

This diagram [0] from Wikipedia has always been my favorite way of understanding the flow of a packet through the kernel. [0] https://upload.wikimedia.org/wikipedia/commons/3/37/Netfilter-packet-flow.svg https://upload.wikimedia.org/wikipedia/commons/3/37/Netfilte...