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Re: [tor-talk] DocTor's 'Possible Sybil Attack' (2015-06-03) report



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>> Again, I really dislike the in-transparency here.
> 
> I agree that it needs improvement.  In theory, we already have a
> public repository for blacklisting relays: 
> <https://gitweb.torproject.org/authdirbadexit.git/>
> 
> In practice, nobody has had time yet to put all existing rules in
> the new repository.

Yes, it appears empty..


How have they been excluded? (specific IPs, entire IP blocks,
fingerprints, ...)


>> Why have they been excluded?
> 
> I attached a list of fingerprints that were rejected by the
> directory authorities around May 20.

list based on your fingerprints:

https://raw.githubusercontent.com/nusenu/tor-network-observations/master/2015-05-20_102HSDirs_rejected.txt

They did not even bother to change IPs, ORport or nicknames.

> All these relays were HSDirs and actively scanned hidden services
> they were responsible for.

What does 'scanned' mean in this context? TCP SYN scans or more tor
specific like 'relay early' attacks (something that came up again when
I saw they all run tor 0.2.4.x).
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