Re: [tor-dev] I have a group at internet archive that are, interested in buying a lot of OnionPi's

2014-06-30 Thread Virgil Griffith
It's already established that, for clients, onion-pi's are
discouraged---onion-pi wifi doesn't protect enough (I.e., at all) from
browser-based attacks.

Given that, The question is now, Are onion-pi's are good enough to be
useful relays?  Roger said no.  Is there a more informed opinion on this
matter---particularly from someone who has actually tried this?  Are there
any relays that are known to run on onion-pi?

If an onion-pi is insufficient for a useful Tor relay, what is the limiting
reagent?  What more does it need to be useful?

-V
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Re: [tor-dev] I have a group at internet archive that are interested in buying a lot of OnionPi's

2014-06-29 Thread Roger Dingledine
On Sat, Jun 28, 2014 at 10:11:24PM +0200, Moritz Bartl wrote:
 On 06/27/2014 09:44 PM, Virgil Griffith wrote:
  What is the current state of the art on this, and if it is ready for
  larger deployment want to buy about 50-100 of them.
 
 In my eyes, an access point that has a captive portal that teaches
 people about Tor and facilitates the download of Tor Browser etc is much
 better than transparent proxying.

Right. Using a transparent torifying box as a client is dangerous,
because your Internet Explorer or other normal browser will probably
introduce surprising privacy problems compared to using Tor Browser.
Using your middlebox as a firewall to prevent non-Tor traffic from
transiting, i.e. to make sure you are using only Tor, is much safer but
also much less sexy.

And the onionpi boxes don't have enough cpu to be a useful relay.

They do have enough cpu to be useful bridges, but vanilla bridges aren't
very useful in the world these days: all the places where you need a
bridge you probably need one of the somewhat recent pluggable transports,
like obfs3, too. I wonder what the state is of easy-to-install images
that include modern pluggable transports and are maintained. Sounds like
another volunteers needed situation. :)

--Roger

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Re: [tor-dev] I have a group at internet archive that are, interested in buying a lot of OnionPi's

2014-06-29 Thread Rémi
Roger wrote:
 And the onionpi boxes don't have enough cpu to be a useful relay.

I'm not sure what the definition of 'useful relay' is, but I am running
an exit relay with 900KB/s and between 1000-1500 consensus weight. This
is the limit for the pi, but definitively above the 100KB/s I read
somewhere else. Also, although I know it is nowhere near decent
security, I do get a warm feeling from the fact that all my non-tor home
traffic gets mixed/emitted along with tor exit traffic.

I'm not running an onionpi because I prefer TorBrowser for all the good
reasons, but the pi makes a nice little relay I think.

R.
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Re: [tor-dev] I have a group at internet archive that are interested in buying a lot of OnionPi's

2014-06-29 Thread Lunar
Martin Kepplinger:
 Am 2014-06-29 08:57, schrieb Roger Dingledine:
  On Sat, Jun 28, 2014 at 10:11:24PM +0200, Moritz Bartl wrote:
  On 06/27/2014 09:44 PM, Virgil Griffith wrote:
  What is the current state of the art on this, and if it is ready for
  larger deployment want to buy about 50-100 of them.
 
  In my eyes, an access point that has a captive portal that teaches
  people about Tor and facilitates the download of Tor Browser etc is much
  better than transparent proxying.
  
  Right. Using a transparent torifying box as a client is dangerous,
  because your Internet Explorer or other normal browser will probably
  introduce surprising privacy problems compared to using Tor Browser.
  Using your middlebox as a firewall to prevent non-Tor traffic from
  transiting, i.e. to make sure you are using only Tor, is much safer but
  also much less sexy.
 what would be an approach to build that? the accesspoint would need a
 list of current entry nodes, which is, all public relays, right?

(from the February 19th, 2014 of Tor Weekly News:)

Rusty Bird announced [16] the release of corridor [17], a Tor traffic
whitelisting gateway. corridor will turn a Linux system into a router
that “allows only connections to Tor relays to pass through (no clearnet
leaks!)”. However, unlike transparent proxying solutions, “client
computers are themselves responsible for torifying their own traffic.”

  [16]: 
https://lists.torproject.org/pipermail/tor-talk/2014-February/032152.html
  [17]: https://github.com/rustybird/corridor

-- 
Lunar lu...@torproject.org


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Re: [tor-dev] I have a group at internet archive that are interested in buying a lot of OnionPi's

2014-06-29 Thread Virgil Griffith
Roger et al, I'm interested in something like onion-pi to be a Tor relay.
 Is there something with enough COU to be viable?  I know nothing about
this embedded scene.

-V
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Re: [tor-dev] I have a group at internet archive that are interested in buying a lot of OnionPi's

2014-06-28 Thread Moritz Bartl
On 06/27/2014 09:44 PM, Virgil Griffith wrote:
 What is the current state of the art on this, and if it is ready for
 larger deployment want to buy about 50-100 of them.

In my eyes, an access point that has a captive portal that teaches
people about Tor and facilitates the download of Tor Browser etc is much
better than transparent proxying. There's been discussions around that
regularly on tor-talk, recently again on libtech. You might remember the
prototype at the last dev meeting that hosts a bridge and announces the
bridge address via DHCP as well (iirc).

-- 
Moritz Bartl
https://www.torservers.net/
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[tor-dev] I have a group at internet archive that are interested in buying a lot of OnionPi's

2014-06-27 Thread Virgil Griffith
What is the current state of the art on this, and if it is ready for
larger deployment want to buy about 50-100 of them.

-V
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