I had never seen ferreting for rabbits before, but it looks like lots of fun! We mainly just shoot them here but I have set simple box traps for them in the past. And hunting most anything at night (except frogs, racoons/opposums, wild hogs in some parts of the country) is illegal. What you call "lamping" we call spotlighting.
And yes, some folks here eat the tree rats (squirrels) but its more of an aquired taste. I'd much rather have rabbit.