OSI model makes it more possible. After all for each layer anything above it is just well bits... And if some layer is poorly implemented it can interpret certa

OSI model makes it more possible. After all for each layer anything above it is just well bits... And if some layer is poorly implemented it can interpret certain run of bits as something else and act accordingly, but wrong. There is lot of bad code specially when you have multiple implementations and all doing their own thing on their own level.