The 5' step and AoOs

[Hypersmurf]

Does the CIFOH now get an AoO?

Yes.

There are assorted ways the Fighter might avoid provoking an AoO, but in general, this situation will provoke.

-Hyp.

 

[Darklone]

As for crawling and moving in rough terrain: These are no 5ft steps per definition, they are just examples for moving 5ft such as Hyp said.