Catching Dupe hack at your server.

[hrace009]

as i know if you remove Item Mall from game, i think dupe can stop. it was work on my server, but i'am not 100% sure, maybe some ppl know the other ways

 

[CookiePhD]

I know only about dup:

Item Mail
Drop item
Fast Click Gshop
Fast Click NPC

I make in java two program for block Fast Click Work fine.
Item Mail -> Remove In game NPC or disable Function
Drop item -> Config gs.conf Remove.

Can you explain this fast click NPC method?