On Mon, Aug 18, 2014 at 04:41:33PM +1200, Christian Gagneraud wrote: > On 18/08/2014 4:26 p.m., Rex Wolf wrote: > >On 17/08/2014 9:11 PM, IceFish ThreeTwo wrote: > >>I'm pretty sure I read somewhere that the Family option in torrc is > >>used so that nodes administrated by the same person never make a > >>circuit with each other, which somehow protects anonymity. Should my > >>friend and I put each other's fingerprints in the Family field? Seems > >>logical since we know each other and if the point of theFamily field > >>is to protect anonymity. > > > >Hi IceFish, > > > >The MyFamily option is what you've described--an option used so that > >nodes administered by the same person / entity will only be used once in > >any given circuit (other nodes from the same family will not be used in > >the same circuit). > > > >This isn't so much to protect your anonymity as a relay operator, but to > >limit any one client's potential vulnerability. For example, if one > >relay operator happens to control both the guard node and the exit node > >in a circuit, they can correlate the timing of packets entering and > >exiting the network, and determine both a person's identity and the > >content of their traffic. > > On the other hand, if I'm a bad guy who as lot of entry and exit nodes, I > will certainly not disclosed it by using a "MyFamily" flag...
Right. It's not meant to guard against that. But if you're honest and you are threatened or coerced or your relays are otherwise collectively compromised, MyFamily limits the damage. aloha, Paul > > Chris > > >You and your friend may know each other, but unless you both administer > >each other's nodes, I don't think you would need to use the MyFamily option. > > > > -Rex > > > > > > > >_______________________________________________ > >tor-relays mailing list > >[email protected] > >https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-relays > > > _______________________________________________ > tor-relays mailing list > [email protected] > https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-relays _______________________________________________ tor-relays mailing list [email protected] https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-relays
