Hi Paul, Paul Syverson: > It shouldn't be possible > to use the relay in both positions simultaneously. And even if it > could serve as both guard and exit simultaneously, the route-selection > algorithm would preclude it being used as both ends for any > circuit. And if all torservers.net relays are properly indicated to be > from the same family, they will never be selected for both ends of a > circuit. I'm well aware of how MyFamily works :) To quote the page I linked (OrNetStats): > Operators are only listed if they actually have a chance to do end-to-end correlation attacks, that is: > their guard and exit probability is > 0% > they did not properly configure MyFamily > they run in more than a single /16 network block For more context see: https://medium.com/@nusenu/some-tor-relays-you-might-want-to-avoid-5901597ad821 > Potentially, a client opening multiple circuits through multiple > guards (so not using the current standard default of using a single > guard) could have some guards and some exits of concurrent circuits > run by torservers.net if they satisfy the /16 separation. > But that is generally not what is meant by 'end-to-end correlation'. By end-to-end correlation I mean "a tor client has a chance to use torservers.net relays in their entry (guard) and exit position in a single circuit. -- https://mastodon.social/@nusenu https://twitter.com/nusenu_
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