Re: Reducing relays = reducing anonymity ? Tortunnel.

2010-05-21 Thread krishna e bera
On Wed, May 19, 2010 at 03:21:15PM -0400, Stephen Carpenter wrote: On Wed, May 19, 2010 at 1:48 PM, Sebastian Hahn m...@sebastianhahn.net wrote: Is tortunnel evil since it maybe hacks Tor-cirucits to reduce the number of relays ? Yes, unfortunately quite a few people use it. It

Reducing relays = reducing anonymity ? Tortunnel.

2010-05-19 Thread Attac Heidenheim
Hi everybody, I just tried a little tool called Tortunnel which allows a user to tunnel Tor via Privoxy/Polipo to any selected exitnode. Just one hop instead of three relays. Of course, if the exitnode ist evil, you're lost, but it really speeds up the whole thing on the other hand. Website:

Re: Reducing relays = reducing anonymity ? Tortunnel.

2010-05-19 Thread Damian Johnson
Does anybody use tortunnel ? Never heard of it before, so doubt it. Is tortunnel evil since it maybe hacks Tor-cirucits to reduce the number of relays ? We discourage people from reducing the circuit length since it cripples the anonymity tor provides, makes exit nodes more tasty targets

Re: Reducing relays = reducing anonymity ? Tortunnel.

2010-05-19 Thread Sebastian Hahn
Hi Niklas, On May 19, 2010, at 6:06 PM, Attac Heidenheim wrote: Hi everybody, I just tried a little tool called Tortunnel which allows a user to tunnel Tor via Privoxy/Polipo to any selected exitnode. Just one hop instead of three relays. This works by pretending to the exit relay that you've

Re: Reducing relays = reducing anonymity ? Tortunnel.

2010-05-19 Thread Stephen Carpenter
On Wed, May 19, 2010 at 1:48 PM, Sebastian Hahn m...@sebastianhahn.net wrote: Is tortunnel evil since it maybe hacks Tor-cirucits to reduce the number of relays ? Yes, unfortunately quite a few people use it. It hurts the network by endangering exit node operators, and by completely

Re: Reducing relays = reducing anonymity ? Tortunnel.

2010-05-19 Thread Jim
Sebastian Hahn wrote: Hi Niklas, On May 19, 2010, at 6:06 PM, Attac Heidenheim wrote: Is tortunnel evil since it maybe hacks Tor-cirucits to reduce the number of relays ? Yes, unfortunately quite a few people use it. It hurts the network by endangering exit node operators, and by

Re: Reducing relays = reducing anonymity ? Tortunnel.

2010-05-19 Thread Martin Fick
--- On Wed, 5/19/10, Stephen Carpenter thec...@gmail.com wrote: Certainly there is a certain amount of sense to the idea that tortunnel traffic may use another system that focuses more on speed if tortunnel was unavailable. However, an assumption is an assumption and I am not sure how much I

Re: Reducing relays = reducing anonymity ? Tortunnel.

2010-05-19 Thread Anders Andersson
Just wondering if anybody from the Tor Project has contacted the author to express the concerns with tortunnel.  Particularly about it being detrimental to the Tor network. Jim The author is a security researcher, the tool is ages old and abandoned, as far as I know it doesn't work right

Re: Reducing relays = reducing anonymity ? Tortunnel.

2010-05-19 Thread Moritz Bartl
To be more specific about what I mean by equal resources: suppose that users of system X have 5 relays, and tor has 5 relays, and both sets of users used the same bandwidth. If all users used one 10 relay system instead, the total bandwidth should be similar. Tortunnel is not a separate

Re: Reducing relays = reducing anonymity ? Tortunnel.

2010-05-19 Thread grarpamp
The author is a security researcher, the tool is ages old and abandoned, as far as I know it doesn't work right away unless you change some of the code, and it was written to check what tor exit nodes where running sslstrip or in other ways were messing with the traffic. I'm not really

Re: Reducing relays = reducing anonymity ? Tortunnel.

2010-05-19 Thread Moritz Bartl
On 19.05.2010 23:58, grarpamp wrote: Have you looked at I2P? http://www.i2p2.de/techintro.html It for example allows both users and services to specify their hop length, and uses packet switching instead of circuit switching. Phantom does this too... user specified hop counts based on their

Re: Reducing relays = reducing anonymity ? Tortunnel.

2010-05-19 Thread grarpamp
Is there any working implementation of Phantom? I2P is widely in use, and I must say that I really begin to like it. Code also looks much cleaner to me (not: mature). Tor could use a complete rewrite. Not as of yet. They have a specification whitepaper and a video with slides to give you a