Optimizing OpenVPN Detection: Balancing Speed and Accuracy with Window Size | HackerNoon
Briefly

Previous works attempt to identify VPN traffic only after the flow terminates, limiting usefulness for real-time censors. We propose early detection during the flow.
By implementing a windowing strategy that inspects only the first N packets of a flow, we reduce the number of flagged ISP flows significantly, enhancing efficiency.
Read at Hackernoon
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