Fronting is a problem for any post player.

It used to be illegal, but David Stern just wanted this to be a guard's league. Guards are untouchable virgins, but big guys in the paint are subjects to torture. Dream used to had problem with Sonics' illegal defense in fronting as well. It requires chemistry between your forwards and center to beat the front. Battier is ok, and Horry is really good at post entry-pass or lobs. PGs are usually too small to get it done. That's why TMac sometimes can get Yao the ball comfortably.