Re: Tor notice

2010-08-10 Thread Andrew Lewman
On Mon, 09 Aug 2010 22:35:50 -0600
Jim jimmy...@copper.net wrote:
 Would it make sense to add that link, or some other link, to the
 message Tor prints out so the casual user can get some idea of what
 the message means?

Perhaps more relevant is this,
http://dud.inf.tu-dresden.de/Anon_Terminology.shtml

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The Tor Project
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Re: Tor notice

2010-08-09 Thread Michael Gomboc
If they would say Do rely on it for strong anonymity would you feel more
secure? :-)


2010/8/9 spacemarc spacem...@gmail.com

 Hi all,
 why in every Tor version (a/b/stable) there is Do not rely on it for
 strong anonymity? If not Tor, what should we use for strong
 anonymity? excluding Freenet and cryptography apps.

 regards
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Michael Gomboc
pgp-id: 0x5D41FDF8


Re: Tor notice

2010-08-09 Thread andrew
On Mon, Aug 09, 2010 at 09:48:24PM +0200, spacem...@gmail.com wrote 0.4K bytes 
in 9 lines about:
: why in every Tor version (a/b/stable) there is Do not rely on it for
: strong anonymity? If not Tor, what should we use for strong
: anonymity? excluding Freenet and cryptography apps.

The challenge here is to define strong anonymity.  A possible current
definition is a state of not being identifiable within an anonymity set.
This anonymity is considered strong if it is resistant to all known
attacks on anonymity.  

I think Roger wrote that line in the source to simply remind people that
Tor has a defined threat model, given the anonymity research field
is still growing, and that low-latency anonymity is inherently open to
some attacks, tor is not strong anonymity.

Tor raises the bar for de-anonymizing you to many attacks on your
anonymity on the actual internet today.  This is a fine place to start
to understand what Tor does and does not provide,
https://trac.torproject.org/projects/tor/wiki/TheOnionRouter/TorFAQ#AnonymityandSecurity

Many other tools simply state they are anonymous, without mentioning any
of the RD on current anonymity attacks, their success probabilities,
and design flaws. If you're interested in learning more about the
current state of the field of anonymity in research, start here;
http://freehaven.net/anonbib/full/topic.html

All tools have design goals and threat models.  Many just don't clearly
state what these goals and threats are to the user, but brush it under
the rug as perfect anonymity, or some other hyperbole.  

Disclaimer:  Roger, Nick, and Steven are the anonymity researchers,
their opinion overrules mine.

-- 
Andrew Lewman
The Tor Project
pgp 0x31B0974B
+1-781-352-0568

Website: https://www.torproject.org/
Blog: https://blog.torproject.org/
Identi.ca: torproject
Skype:  lewmanator
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Re: Tor notice

2010-08-09 Thread Jim

and...@torproject.org wrote:

On Mon, Aug 09, 2010 at 09:48:24PM +0200, spacem...@gmail.com wrote 0.4K bytes 
in 9 lines about:
: why in every Tor version (a/b/stable) there is Do not rely on it for
: strong anonymity? If not Tor, what should we use for strong
: anonymity? excluding Freenet and cryptography apps.



Many other tools simply state they are anonymous, without mentioning any
of the RD on current anonymity attacks, their success probabilities,
and design flaws. If you're interested in learning more about the
current state of the field of anonymity in research, start here;
http://freehaven.net/anonbib/full/topic.html


Would it make sense to add that link, or some other link, to the message 
  Tor prints out so the casual user can get some idea of what the 
message means?


Jim
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