It’s possible to use P_CONTROL_HARD_RESET_CLIENT_V2 packet as “triggering
request” as there are some DPIs filtering OpenVPN traffic using those packets.
That is what was observed for both OpenVPN/TCP and OpenVPN/UDP. That is by no means a
comprehensive OpenVPN test.
TBD: what does Egypt do? They do something.
- OpenVPN notes in report on Uganda Social Media Tax