Re: [Bitcoin-development] Abnormally Large Tor node accepting only Bitcoin traffic

[Drak <drak@zikula.org>]

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Related to Russia's Tor bounty?
http://www.theguardian.com/world/2014/jul/25/russia-research-identify-users-tor
On 28 Jul 2014 04:45, "Gregory Maxwell" <gmaxwell@gmail.com> wrote:

> On Sun, Jul 27, 2014 at 7:54 PM, mbde@bitwatch.co <mbde@bitwatch.co>
> wrote:
> > These website list Tor nodes by bandwidth:
> >
> > http://torstatus.blutmagie.de/index.php
> > https://torstatus.rueckgr.at/index.php?SR=Bandwidth&SO=Desc
> >
> > And the details reveal it's a port 8333 only exit node:
> >
> http://torstatus.blutmagie.de/router_detail.php?FP=0d6d2caafbb32ba85ee5162395f610ae42930124
>
> As I pointed out above, — it isn't really.  Without the exit flag, I
> believe no tor node will select it to exit 8333 unless manually
> configured. (someone following tor more closely than I could correct
> if I'm wrong here)
>
>
> > blockchain.info has some records about the related IP going back to the
> > end of this May:
> >
> > https://blockchain.info/ip-address/5.9.93.101?offset=300
>
> dsnrk and mr_burdell on freenode show that the bitnodes crawler showed
> it accepting _inbound_ bitcoin connections 2-3 weeks ago, though it
> doesn't now.
>
> Fits a pattern of someone running a bitcoin node widely connecting to
> everyone it can on IPv4 in order to try to deanonymize people, and
> also running a tor exit (and locally intercepting 8333 there),  but I
> suspect the tor exit part is not actually working— though they're
> trying to get it working by accepting huge amounts of relay bandwidth.
>
> I'm trying to manually exit through it so I can see if its
> intercepting the connections, but I seem to not be able.
>
> Some other data from the hosts its connecting out to proves that its
> lying about what software its running (I'm hesitant to just say how I
> can be sure of that, since doing so just tells someone how to do a
> more faithful emulation; so that that for whatever its worth).
>
>
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