[tor-relays] [tor-talk] Finding relay Sybils / Groups [re: relay_early/blackhat]

Damian Johnson atagar at torproject.org
Wed Jul 30 19:54:49 UTC 2014

Hi grarpamp. Actually we do have a rudimentary Sybil checker and it
*did* pick up on those relays back in January...


We had some internal discussions about them but the thread lost
momentum before they were flagged. This is a large part of the
motivation for why Philipp and I are taking over responsibility for


Previously it wasn't truly maintained by anyone so bad relay reports
got dropped on the floor.

Cheers! -Damian

On Wed, Jul 30, 2014 at 11:10 AM, grarpamp <grarpamp at gmail.com> wrote:
> As a project then to production development, someone should go back
> through the entire history of descriptors and look for groups coming online...
> dates, IP's, contacts, tor/OS versions, nicknames, ISP's, geoip, numbers
> coming online over sliding timeframes, correlation to 'news events', etc.
> There may be more questionable relays to be found.
> We were talking about such influxes around july 4 09, ironically, or not.
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