In other words... On Tue, 26 Apr 2022, Antonio Leding wrote:
[...]Blocking an IP is the single cheapest most effective thing one can do re: undesired traffic.
blocking an address is just a rude form of graylisting, based on observed rudeness.
(I do it too. And other things. Security is a practice and a fabric, not a shiny end state.)
-- Fred Morris, internet plumber