Re: Opennet harvesting

Matthew Toseland <toad-EI5O+8PHWbJeeLb3ft/[email protected]> Wed, 28 Jul 2010 18:27:50 +0100
Newsgroups gmane.network.freenet.technical
Message-ID <[email protected]>
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On Wednesday 28 July 2010 12:44:42 Michael Rogers wrote:
> Sorry if this has already been discussed - I was off the list at the
> time the paper was published.
>=20
> Researchers at the University of Minnesota carried out an address
> harvesting attack on Freenet opennet. They estimate the size of the
> opennet at around 2,500 nodes at any time, from a long-term population
> of around 11,100. It took a single node 2.5 hours to collect the
> addresses of nearly all active opennet nodes.

Evan's figures show dramatically more than that - around 7000 at any time a=
nd 15,000+ total. However the attack appears to have been executed around F=
eb 2009, and it looks like we've had significant growth since then.
>=20
> Obviously the concept behind this attack isn't news to anyone here, and
> I realise it's not something opennet tries to protect against, but I was
> interested to see some empirical figures.
>=20
> http://www-users.cs.umn.edu/~hopper/mcon-ccs.pdf

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