The netfilter hooks in the kernel and where they hook in the packet flow The figure below calls out The netfilter hooks The order of table traversal
Physical Setup: --------------------- | workstation [enp5s0f0] -- internet | | --------------- | [enp5s0f1] -- | switch | -------------------- | | [lab-nuc-1] --| | [lab-nuc-2] --|--------------|