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The Vanguards Onion Service Addon
- mirimir 7y agoThis is a followup to " Deanonymizing Tor Circuits".[0] I added a comment there,[1] but I doubt that it'll get seen, unless someone searches. From TFA: > Vanguards help guard you from getting vanned... > Even after deployment of the new v3 onion service protocol, the attacks facing onion services are wide-ranging, and still require more extensive modifications to fix in Tor-core itself. > Because of this, we have decided to rapid-prototype these defenses in a controller addon in order to make them available ahead of their official Tor-core release, for onion services that require high security as soon as possible. There's some informative discussion in this tor-dev thread.[2] And in particular, Mike Perry comments about the vanguards hack:[3] > Yes, specifically vanguards always uses two guards and disables all path restrictions to mitigate info-leak route disclosure attacks like the above. 0) https://news.ycombinator.com/item?id=22212001 https://news.ycombinator.com/item?id=22212001 1) https://news.ycombinator.com/item?id=22253183 https://news.ycombinator.com/item?id=22253183 2) https://lists.torproject.org/pipermail/tor-dev/2020-February/014146.html https://lists.torproject.org/pipermail/tor-dev/2020-February... 3) https://lists.torproject.org/pipermail/tor-dev/2020-February/014154.html https://lists.torproject.org/pipermail/tor-dev/2020-February...