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Tor, what is this?


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#1 d1ve

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Posted 21 September 2007 - 12:01 AM

So...My friend and I were having a talk about anonymity online and whether or not it's possible. I don't really want to get into that discussion here (I'm sure it's already here if I looked for it) however, we came across this sight advertising Tor. It claims to be a toolset that allows you to surf, IM and such anonymously.

Does anyone here know how it works? Or if you're actually anonymous using it?

#2 McGrewSecurity

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Posted 21 September 2007 - 12:09 AM

To sum it up easily, it's what is called an "onion routing" network, where your connection is handled by a number of intermediate nodes within the Tor network. Each step across this network is encrypted in such a way that the individual nodes can't inspect the content or know where it originally came from. At each step, a layer of this encryption/routing is removed, and an "exit node" actually makes the connection to the destination server. This provides the user with anonymity (if they're careful and using it right), but as we have discussed on here, not security or privacy (which is the user's responsibility at this point).

There's been a couple of threads about it here recently, that make for some pretty interesting discussion of some of the issues with using Tor and common misconceptions:

http://www.binrev.co...showtopic=33845
http://www.binrev.co...showtopic=34003

#3 x-man

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Posted 21 September 2007 - 09:02 PM

Steve Gibson from GRC have very interesting audition about TOR - explaining in details how it works, its trades off and benefits. Check Episode # 70 from this link (icon below each episode allows to listen, download or read in text form context of each podcast):
http://www.grc.com/SecurityNow.htm
To skip introduction discussing problem of archiving anonymity on Internet in general and freenets and go to part relating to TOR fast forward it to 30 minute 15 seconds.

...just thought I will mention it,...

Edited by x-man, 21 September 2007 - 09:26 PM.





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