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Discussion => Security => Topic started by: TMan99 on July 31, 2013, 06:58 am

Title: What would happen if TOR disconnects?
Post by: TMan99 on July 31, 2013, 06:58 am
If I were to disconnect to Tor while using Tails with a few bridges would my IP be revealed?

Or is this not possible and would you just disconnect without anything being revaled?

Is there anything I can add to tails to add an extra layer?
Title: Re: What would happen if TOR disconnects?
Post by: Meerkovo on July 31, 2013, 02:15 pm
   Stop being so paranoid TMan, the Tor browser only works when tor is connected and running, if Tor disconnects then all activity will halt. You should worry more about your browsing activities when using clear net.
Title: Re: What would happen if TOR disconnects?
Post by: tbart on July 31, 2013, 03:24 pm
something hit me that i missed - curious why the perceived need for VPNs & bridges to conceal the use of TOR?
 
I'm not sure what purpose it serves, as there are a multitude of users using it for legitimate activity, just for the sake of privacy. Is it just part of that "not standing out" in general internet traffic? - ie, being part of the larger population of internet users, that do not use the TOR network?

Title: Re: What would happen if TOR disconnects?
Post by: jampants on July 31, 2013, 03:38 pm
something hit me that i missed - curious why the perceived need for VPNs & bridges to conceal the use of TOR?
 
I'm not sure what purpose it serves, as there are a multitude of users using it for legitimate activity, just for the sake of privacy. Is it just part of that "not standing out" in general internet traffic? - ie, being part of the larger population of internet users, that do not use the TOR network?

something hit me that i missed - curious why the perceived need for VPNs & bridges to conceal the use of TOR?
 
I'm not sure what purpose it serves, as there are a multitude of users using it for legitimate activity, just for the sake of privacy. Is it just part of that "not standing out" in general internet traffic? - ie, being part of the larger population of internet users, that do not use the TOR network?

Because extra layer's like VPN's and padding make it harder for deep packet analysis, bad exit nodes and correlation attacks. Trust me ALL ISP's log TOR traffic in western countries and dictatorships, they won't acknowledge it but they do log it that's for sure.
Title: Re: What would happen if TOR disconnects?
Post by: SelfSovereignty on July 31, 2013, 03:59 pm
something hit me that i missed - curious why the perceived need for VPNs & bridges to conceal the use of TOR?
 
I'm not sure what purpose it serves, as there are a multitude of users using it for legitimate activity, just for the sake of privacy. Is it just part of that "not standing out" in general internet traffic? - ie, being part of the larger population of internet users, that do not use the TOR network?

Because extra layer's like VPN's and padding make it harder for deep packet analysis, bad exit nodes and correlation attacks. Trust me ALL ISP's log TOR traffic in western countries and dictatorships, they won't acknowledge it but they do log it that's for sure.

You don't have to worry about disconnecting or anything of the sort.  VPNs, to my knowledge, do not offer any protection from deep packet analysis or bad exit nodes.  None.  Zero.  Correlation attacks, yes, probably... but I don't see how they could possibly offer protection from the other two.

A VPN is an encrypted link between your computer and someone else.  The "someone else" then allows you to essentially behave as though you were part of their internal network, e.g. access your work computer as though you were down the hall or something.  But your link to your entry guard in the Tor network is already encrypted, so deep packet analysis isn't going to do much good either way.

If the exit node you go through on the way to a clearnet site is "bad' and monitoring or injecting things into the content, a VPN won't offer any protection there either (that I can see, anyway).
Title: Re: What would happen if TOR disconnects?
Post by: astor on July 31, 2013, 08:31 pm
Tor Browser is configured to use localhost port 9150, so if Tor dies, the connection will fail. However, other apps, most notably bittorrent apps, can bypass the proxy settings and connect over clearnet.
Title: Re: What would happen if TOR disconnects?
Post by: SelfSovereignty on July 31, 2013, 09:25 pm
Tor Browser is configured to use localhost port 9150, so if Tor dies, the connection will fail. However, other apps, most notably bittorrent apps, can bypass the proxy settings and connect over clearnet.


My apologies, I apparently misunderstood the question.  Fortunately I think my answer still applies, LOL... give it a try somebody -- I'm willing to bet you won't have any internet connection at all if Tor dies.  Except for torrents, and anything else set up to bypass Tor.

If you really want, you can just go to a shell and type "sudo iptables -L" and look at the kernel routing tables.  That'll take some googling to make sense of though... :)