The biggest mistake of any "anti-bot" feature is saying about that in public, or adding that to the sources without encryption.
Why? Because one of the opencore developers here, at our community, and all "old fags" know them.
The only one solution to block bots, it's find a way to make traffic ecnryption.
(Sure, i'm talking about packet based bots (opencore, other differnt rops plugins).
But mostly, players, and i'm sure 90% of the different adminds, don't hear about dll based (loaded via cps.dll) bots with the very easy logic what playing via ragnarok window.