TCP Traffic Path Diagram

do you have a reason to assume it isn't valid for version 13.x? in principle not much changes, if you have some specific point please mention it.

Engineers looking at our issue have been leaning towards new security features in the 13 code that may be triggered along the path across the path. e.g. you have the ddos notes along this flow. I 'assume' there are newer things in the flow that the F5 Engineers were referring to.