[tor-dev] use tor controller to detect circuit/path change

Ian Goldberg iang at cs.uwaterloo.ca
Wed Oct 31 11:52:00 UTC 2012


On Wed, Oct 31, 2012 at 12:17:58PM +0100, esolve esolve wrote:
> oh, I don't understand this
> 
> 
> what you mean is, for example, when browsing webpages
> 
> browser application                sock
> Tor                            Ethernet interface
> 
>          send   packet ---------->    forward -------------> encrypt and
> -----------------> send to the entry node
> 
> make tor cells
> 
> 
>          receive packet<---------   forward<-------------- decrypt tor
> cells <---------------  receive from the entry node
> 
> 
> tcpdump -i eth0(this is my capturing)
> 
>  but you mean I can capture between the browser application and the sock?
> 
> 
> 
> so I used tcpdump on the ethernet interface
> the packets are  encrypted
> you mean I can capture the packets before

Yes.  capture on the lo interface, on whatever port your Tor SOCKS proxy
is listening on.

   - Ian


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