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I have setup a Chutney tool successfully and was wondering if I can route my traffic through a Chutney-made network and to the internet. I was going to test that using TorBrowser and providing custom bridge in the browser tor settings.

For the network setup I used:

./chutney configure networks/bridges-min
./chutney start networks/bridges-min

./chutney status networks/bridges-min gives me information about a network made of 7 tor instances:

test000a     is running with PID 20520: Tor 0.4.3.5.
test001a     is running with PID 20523: Tor 0.4.3.5.
test002a     is running with PID 20526: Tor 0.4.3.5.
test003ba    is running with PID 20529: Tor 0.4.3.5.
test004r     is running with PID 20535: Tor 0.4.3.5.
test005br    is running with PID 20538: Tor 0.4.3.5.
test006bc    is running with PID 20541: Tor 0.4.3.5.

Now, I assumed test005br is a bridge. I figured out it's port and provided to the TorBrowser a following bridge info:

127.0.0.1:5005

Using TorBrowser I opened a random website and checked the Tor Circuit info and it tells me that indeed my first hop is a "Bridge" (I assume, it's my Chutney bridge). But next hops are real Tor Nodes out in the wild, not the test nodes in my network! I surely didn't expect that.

So, why is my Chutney network connecting to the main Tor network (or it seems so to me)? Can I prevent that and use only my local network to access the internet through it?

  • Did you start the tor client with Chutney, and tell the Tor Browser to use that tor client? If the Tor Browser's tor client doesn't know it should be using a Chutney network, it will build circuits through the real network instead. – Steve Jul 1 at 15:03
  • Yes, I did exactly that: started Tor client with Chutney, opened TorBrowser and entered bridge info. So then: 1. Can I tell TorBrowser to use one of the Chutney's clients or tell it in some other way to use Chutney? 2. Meanwhile, I tried editing TorBrowser torrc file and added DirAuthorities from the Chutney network, but this way TorBrowser won't connect to Tor at all. I assume it's because Chutney network is configured to be a test network, so is it a worth path to follow? At the end, my goal is just to route real internet traffic through Chutney network, I am not sure if it's realistic. – mdccxv Jul 1 at 15:42
  • By default the Tor Browser uses its own tor client, so this client won't know about your Chutney network. You can tell Tor Browser to use a different tor client (open the tor-browser/Browser/start-tor-browser script and look for the Using a system-installed Tor process with Tor Browser comment). Try following this guide and setting the options to use one of your Chutney clients. – Steve Jul 1 at 21:44
  • It's nice to know that there is such an option, but I can't find mentioned starting script. I am using macOS, which I probably should've mentioned before. I've spent some time trying to achieve my goal by trying to modify TorBrowser torrc file in a way to make it look alike chutney clients, but had not been unsuccessful so far. – mdccxv Jul 2 at 22:25
  • Ah I'm not sure about MacOS and how they package their apps, on Linux it's this file. I think you should be able to do the same thing by editing the browser's torrc directly. I would start the chutney network, look at a torrc file it generates for one of its clients, copy the contents to your browser torrc file, and modify the ports and data directory paths to values not used by other Chutney nodes. The tor browser will also need access to the client's control port. – Steve Jul 2 at 22:36

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