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Tor detection

How to detect Tor traffic: a request arrives from a public Tor exit node, the easy part, while one actor rotating circuits and a real privacy user sit behind it

How to detect Tor traffic without blocking real users

Detecting Tor traffic is easy because exit nodes are public. The hard part is acting on it without blocking real users. How web detection actually works.

Pavel NuryieuHead of ResearchJuly 2, 2026