Does anyone know if with a Cisco ASA it's possible to create a policy which inspects non-HTTP traffic on port 80, and then create a class-map to rate limit matching traffic?
I've seen the http-map command - however port-misuse doesn't appear to be granular enough to match traffic other than P2P and IM.
You cannot do that. You cannot priority queue only specific HTTP commands etc. You can block reset erc based on HHTP attributes, but for LLQ (QoS), you need to match on general criteria like (all port 80 etc).
I hope it is clear.