From: Robert McKay <robert@mckay•com>
To: <bitcoin-development@lists•sourceforge.net>
Subject: Re: [Bitcoin-development] Abnormally Large Tor node accepting only Bitcoin traffic
Date: Mon, 28 Jul 2014 13:31:09 +0100 [thread overview]
Message-ID: <06e8ee730ac511617e6c3c4a4bbae4bb@webmail.mckay.com> (raw)
In-Reply-To: <b2f6693f-db93-4cb9-9c80-25f123c0b24e@email.android.com>
On Mon, 28 Jul 2014 07:28:15 -0400, Peter Todd wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
>
> I've got a bitcoin-only exit running myself and right now there is
> absolutely no traffic leaving it. If the traffic coming from that
> node
> was legit I'd expect some to be exiting my node too.
>
> Multiple people have confirmed the node is connected to an abnormally
> large % of the Bitcoin network. Looks like a Sybil attack to me,
> trying to hide behind a Tor exit node for plausible deniability.
I don't think Sybil attack is the right term for this.. there is only
one IP address.. one "identity".
I'm not even sure that this behaviour can be considered abuse.. it's
pretty much following the rules and maybe even improving the transaction
and block propagation.
As far as monitoring transaction origins someone could do that using
lots of different IPs instead of just one (more like an actual Sybil
attack rather than this non-Sybil attack).. and noone would be making a
fuss (and imo, probably someone does do that too as it would be useful
to capture a larger number of inbound connections).
Rob
next prev parent reply other threads:[~2014-07-28 12:31 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-28 2:12 Jeremy
2014-07-28 2:17 ` Jeremy
2014-07-28 2:29 ` Gregory Maxwell
2014-07-28 2:40 ` Peter Todd
2014-07-28 2:45 ` Gregory Maxwell
2014-07-28 2:49 ` Michael Wozniak
2014-07-28 2:54 ` mbde
2014-07-28 3:44 ` Gregory Maxwell
2014-07-28 7:41 ` Drak
2014-07-28 10:16 ` Mike Hearn
2014-07-28 11:28 ` Peter Todd
2014-07-28 12:31 ` Robert McKay [this message]
2014-07-28 14:08 ` Gregory Maxwell
2014-07-28 16:13 ` s7r
2014-07-28 11:37 ` s7r
2014-07-28 3:13 ` Robert McKay
2014-07-28 3:07 ` Gregory Maxwell
2014-07-28 3:12 Anatole Shaw
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=06e8ee730ac511617e6c3c4a4bbae4bb@webmail.mckay.com \
--to=robert@mckay$(echo .)com \
--cc=bitcoin-development@lists$(echo .)sourceforge.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox