Re: [tor-relays] MyFamily

2023-05-15 Thread Matt Palmer
On Mon, May 15, 2023 at 10:18:29AM -0400, denny.obre...@a-n-o-n-y-m-e.net wrote: > trinity pointard wrote .. > > For an easy example, let's imagine that we let any relay put itself > > into any family. Now suppose the attacker starts three relays A1, A2, > > and A3. Then, since nothing stops

Re: [tor-relays] MyFamily

2023-05-15 Thread denny . obreham
trinity pointard wrote .. > . It's not as easy as having a unique ID, you need to make sure a > relay can't spoof being part of a family, that's why it requires a two > way relationship for now, and will probably use some form of signature > in the future. Why not take advantage of the proof

Re: [tor-relays] MyFamily

2023-05-15 Thread Nick Mathewson
On Mon, May 15, 2023 at 5:21 AM Matt Palmer wrote: > > On Sat, May 13, 2023 at 12:55:17PM -0400, denny.obre...@a-n-o-n-y-m-e.net > wrote: > > This has probably been addressed before but why isn't the MyFamily value > > just a single, unique ID? > > > > If I have the relays with the fingerprints

Re: [tor-relays] MyFamily

2023-05-15 Thread trinity pointard
> This has probably been addressed before but why isn't the MyFamily value just > a single, unique ID? There is a proposal to have some way of doing that in the future, but that proposal isn't implemented https://gitlab.torproject.org/tpo/core/torspec/-/blob/main/proposals/321-happy-families.md

Re: [tor-relays] [Important] A call for more long running bridges, especially with OBFS IAT-Mode set to 1 or 2.

2023-05-15 Thread Fran via tor-relays
Hey, the paper is from August 2018 (if I looked at the correct one), not so recent :) And e. g. Philipp Winter questions the usefulness of iat_mode: > substantial performance penalty for a dubious and poorly understood privacy gain

Re: [tor-relays] MyFamily

2023-05-15 Thread Matt Palmer
On Sat, May 13, 2023 at 12:55:17PM -0400, denny.obre...@a-n-o-n-y-m-e.net wrote: > This has probably been addressed before but why isn't the MyFamily value > just a single, unique ID? > > If I have the relays with the fingerprints "John", "Jane", and "Alice" and > I want to add "Bob", wouldn't it

[tor-relays] MyFamily

2023-05-15 Thread denny . obreham
This has probably been addressed before but why isn't the MyFamily value just a single, unique ID? If I have the relays with the fingerprints "John", "Jane", and "Alice" and I want to add "Bob", wouldn't it be simpler (and more logical) to add the unique MyFamily "Smith" to each torrc file

[tor-relays] [Important] A call for more long running bridges, especially with OBFS IAT-Mode set to 1 or 2.

2023-05-15 Thread George Hartley via tor-relays
Hello dear relay and bridge hosts, recently a paper was published, describing a traffic confirmation attack called DeepCorr, which works against Tor users and as such, also hidden services. The attack allegedly had success rates of up to 96% percent. It is being worked on and listed here as a