[tor-relays] Close friend

IceFish ThreeTwo threehundredthirtytwofishes at gmail.com
Mon Aug 18 05:54:26 UTC 2014


Thanks for the info guys!(:

On Sunday, August 17, 2014, Paul Syverson <paul.syverson at nrl.navy.mil>
wrote:

> 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
> > >
> > >
> > >
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> > >
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