Questions tagged [circuit]
A Tor circuit is a private network pathway built incrementally as a series of encrypted connections through relays on the network.
171
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1answer
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Programmatically changing Tor circuit
Is it possible to change Tor circuit using Javascript or configuring it to change Tor circuit in a certain interval?
0
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1answer
564 views
Tor circuit for this site (-unknown-)
Whatever website I am on, it's never displayed in the "Tor circuit for this site" panel. It always says "(-unknown-)".
Is this a problem?
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0answers
54 views
How to view Tor circuit while using Tor in Brave?
I know there are many, many security risks when using Tor with the Brave browser. In fact, Brave accidentally leaked users' browsing history to their DNS provider recently (https://twitter.com/...
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1answer
51 views
Signal NEWNYM vs 'New Tor Circuit for this site '
I'm currently using the NEWNYM signal to programmatically replicate the functionality of changing Tor circuits. However, it seems that this doesn't always function as intended and for certain sites ...
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1answer
75 views
Are relays chosen by location proximity, e.g. county, for circuit building?
Are relays chosen by location proximity, e.g. county, for circuit building?
I know that there exists some rules but I didn't read anything about location. If the location of a client is not ...
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1answer
88 views
Where to find current circuit in tor browser?
Have been using tor browser in past, upgraded to latest version (10.0.12) and i found that tor button aka. onion icon addon is removed from tor browser since 9.0 - you can find it in changelog here: ...
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1answer
176 views
Does my internet speed matter?
Does my internet speed matter if I use same circuit, nodes/hops?
There are 3 PC's:
1st one is connected to 100Mbps internet speed
2nd 500Mbps internet speed
3rd 1Gbps internet speed
In case all of ...
0
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1answer
55 views
Fast/Slow relays in Tor
How does Tor classify fast/slow relays (as in what is the bandwidth bar)?
Is the Tor Path Selection protocol biased towards selecting fast relays for circuit construction? (The answer here How does a ...
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5answers
34k views
How to change the entry node?
When Tor changes circuit it only changes middle node and exit node, the entry node stays the same since the Tor started, so I guess the entry node is limiting the traffic if you make too much traffic,...
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2answers
1k views
Implementing the tor protocol, based on tor sources and a few clarifications
Im trying to implement a simple C# application that is based on Tor protocol, without identity changes every few minutes etc. just to create a circuit and make a request. I created the onion hidden ...
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1answer
87 views
What if one entity controls all three Tor nodes?
If anybody is able to make themselves a Tor server, what is to stop a security agency from populating the list of Tor servers with many of their own? If they have enough servers there, then might they ...
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1answer
59 views
What are the current default lengths in Hidden Service related circuits?
I have been trying to understand the process behind Hidden Services and something that is confusing me is the circuit lengths between different components in the Hidden Service Scenario. So far, I ...
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1answer
52 views
Reusing a Tor “dirty” circuit
I have a couple of questions related to Tor circuits.
Let's say that there is a circuit that was used and marked "dirty" and has also expired (no active TCP stream). Can this circuit ever ...
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1answer
17 views
Determining circuit tor client is using
One can get a list of circuits available for the tor client to use via the ControlPort. Here is the link to a python script someone wrote to get the list of circuits enter link description here
Is it ...
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0answers
24 views
If a client builds a full circuit to the rendezvous point, how can there be 6 hops between client and hidden service?
On https://2019.www.torproject.org/docs/onion-services it says that whenever the client or server contacts the rendezvous point or one introduction point, it always builds a full tor circuit.
So, why ...
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0answers
15 views
Problem getting chutney to configure
I am trying to get chutney running with a basic network configuration and I keep getting a bootstrapping error. I can't figure out exactly why it's failing and I'm hoping someone can help me. Here is ...
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1answer
65 views
How TBB commands tor to use a “New Circuit for this Site”?
Tor Browser Bundle has "New Circuit for this Site" button (or Ctrl/Cmd + Shift + L shortcut), doing what it says: changing circuit for specific domain.
The question is: how TBB do it? And ...
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0answers
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Who creates malicious Tor nodes, why, and how to they work?
I understand the concept of a malicious Tor node, but am confused on a few things.
Who makes malicious Tor nodes? I assume non-Tor friendly governments and non-government threat actors.
Why would ...
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0answers
30 views
How to open a new circuit for every new tab?
I would like to open a new circuit for every new tab automatically, so everytime I open a new tab I get a different IP. Is it possible? I could not find any info on the web about that.
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39 views
My Tor relay has different numbers of incoming from outgoing connections
I am looking at nyx and it says (on page 2) "connections (2691 inbound, 3731 outbound)".
Now my relay is guard/middle, so shouldn't each incoming connection lead to one outgoing connection ...
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0answers
28 views
Disconnect after X minutes inactivity?
I read somewhere its not a good idea to remain connected to TOR network for long periods of time because it gives an attackers more opportunity to de-anonymize.
The machine I am using is unatttended ...
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0answers
30 views
Can opening new windows/tabs in Tor acidentally bypass onioun routing and leak ip?
I was surfing in www via Tor browser bundle on Windows (Im novice in it) and I just`ve noticed that sometimes (but not every time) when I click on random link and choose "Open in new window" ...
0
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1answer
56 views
Why can't a modified guard node compromise the network?
This is a newbie and probably a lame question but it popped up while I was reading the design doc: https://svn-archive.torproject.org/svn/projects/design-paper/tor-design.pdf
If theoretically someone ...
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0answers
36 views
How Tor is build and how can someone build something Tor/overlay network or routers?
Things I know:
I have been using Tor for like a few years now, and I have a good idea of how "Tor/Onion routing" works. I have gone through the Tor's original paper (by Nick and Roger) and ...
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0answers
67 views
How to modify the TOR connection timeout?
TOR seems to drop the initial choice and select a new guard node, when it fails to build a circuit/connect to a guard node within a certain time interval (which is in the order of 30-60 seconds). Can ...
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0answers
60 views
Automated script for selecting fast TOR circuit?
I noticed a significant variance in bandwidth with different TOR circuits. Some are fast enough for streaming HD videos, while others take ages just loading web pages unless Javascript is deactivated. ...
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0answers
286 views
How to view circuit details (including security keys) in Tor?
I wonder if its possible to find the session keys for Tor's circuit for a hidden service such as facebookcorewwwi.onion (or public site)?
There are 4 keys used in connecting to a site:
Key between ...
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1answer
106 views
Does Tor daemon build multiple circuit when multiple clients connects to it?
Let's say I have a Tor Browser, nodejs and curl all sending requests using Tor's SOCKS5 proxy. Will requests from different clients routed through the same exit node? Or does each client get their own ...
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1answer
108 views
Why are entry nodes allowed to know that they are entry nodes?
Right now, a user can be deanonymized if an attacker controls the entry node and the exit node in a Tor circuit. The attacker can discover the IP of the originator, and the site they are accessing. It ...
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0answers
45 views
Integrating Tor Browser and Python to get the same circute
This is a cross post from my StackOverFlow question(also I little edited).
Ok, my question is quite straightforward:
I want to use Python to make automated requests with stem (or any other library ...
0
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1answer
172 views
Has Tor Browser stopped displaying circuits?
I started using Tor v4 most intrigued by the display of the circuit path it followed, 4 nodes from at least 2 countries and usually 3 or 4.
Now at v9 I don't see it anymore. Has display of the ...
27
votes
3answers
11k views
How does a Tor client pick Tor nodes for circuit creation?
A Tor client initially contacts Directory Authorities to fetch the consensus (i.e. a file containing all relays of the Tor network at that time with details such as IP address, exit policy, public key ...
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0answers
29 views
Higher probability that nodes with higher bandwidth are selected for circuit
In the course of my master thesis I am currently trying to rebuild a simplified version of the selection algorithm from Tor. During my research, I found the following selection algorithm in some ...
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0answers
49 views
Why don't we have more than one entry node per tor circuit?
A typical tor circuit has
Browser -> entryNode(A) -> relay(B) -> exitNode(C) -> Server
This is prone to timing related attacks if both entryNode and exitNode are controlled by the ...
6
votes
1answer
370 views
Is it possible to team multiple circuits in the current Tor network?
The client-selected paths that carry traffic through the Tor relay network are called circuits. Tor clients switch circuits at ten minute intervals for better anonymity. However, latency and bandwidth ...
0
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1answer
198 views
The problem about stem's new_circuit and extend_circuit?
I have read the document of Stem. I notice that new_circuit() and extend_circuit() can create new circuit.However,I have two problems:
I can't make sure when I create a new circuit, will the old ...
0
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1answer
815 views
Tor 8 no longer has Green Onion with option to change circuitcharley
My PC auto-updated to Tor 8 and I no longer have the green onion on the left side of the browser where I can check my circuit or change to a new circuit. Can I roll back to an earlier version of Tor ...
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1answer
59 views
Is it possible to make a program that will use different circuit for each request? Even if the requests are parallel?
I want to make a program that will use new circuit for each request (even if the requests are parallel) to avoid linkability. Is it possible?
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0answers
121 views
How to configure node restrictions in Tor Browser 8.5.6 for Android?
In Tor Browser for Windows, I can edit the torrc file for things like ExcludeNodes and ExitNodes. In Orbot for Android, there is a settings menu where these can be configured.
In Tor Browser 8.5.6 ...
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1answer
152 views
displaying streams from onion service to rendezvous point
Using the Linux onioncircuits package or carml monitor, I see circuits for onions that I'm accessing (client-side circuits). I also see circuits for onions that I'm hosting, and accessing from another ...
3
votes
1answer
7k views
Is the Tor browser always using at Tor ciruit?
I'm using the Tor browser (4.5.3) and when I press the green onion I can see the current Tor circuit that's in use at the moment. Now, is the browser always using a Tor circuit? Because sometimes when ...
5
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0answers
600 views
Why does Torbutton circuit view not consistently show the correct exit node?
Making an arbitrary number of new identities will eventually cause the circuit view in Torbutton to show the wrong exit node.
This is a screenshot I took to show the problem. Notice Torbutton thinks ...
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0answers
49 views
Why is the pub-key of diffie hellmann from Alice (OP) to Bob (OR) encrypted?
For building a circuit Alice contacts Bob (OR) and send her pub diffie-hellmann key encrypted with Bobs pub key. Bob sends his public-diffie-hellmann key and the session key hashed ("only" TLS ...
2
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2answers
81 views
What prevents CircID collision from happening?
When a Tor OP wants to extend a circuit, it sends a relay extend cell to the last node on it. This node then sends CREATE cell to the desired destination node, choosing a new CircID (used to identify ...
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0answers
128 views
Track Tor circuit via ISP logs
I have some question about the very basics of tor, as this keeps bugging me now for some time:
As far as I know every tor node is only aware of the ip address of the following node. For example the ...
3
votes
2answers
2k views
Stem: How to get current in-use circuit?
I am able to list the circuits, but for some reason I'm never able to quite get a circuit alone consistently, there always appears to be many of them with state BUILT. This is especially true after I ...
0
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1answer
772 views
Differences between Onion Routing (Public Key) and Tor-Circuit (Session Key)
I have a hard time understanding how a message is transmitted, when the Public Keys are used and when the Session Keys.
Tor Client connects to a directory server to get a list of active relays & ...
2
votes
1answer
370 views
Share circuit on localhost:9050 to the rest of the internal network
Might be a little off-topic but I don't know maybe it's more related to tor than networking.
Basically, I have the following scenario I want to accomplish:
home access point is 192.168.1.1,
...
0
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1answer
226 views
customizing tor browser bundle
I want to create a browser bundle that supports the following things:
there is a standalone tor process that i launch it using the controller connection from the stem library and i manually connect ...
2
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0answers
95 views
circuit_build_no_more_hops: Bug: 2-hop circuit 0x7fd6935ce4c0 with purpose 5 has no guard state
For research, I need to create custom circuits using stem.
I ran code, but a warning occurred in Tor application:
[warn] circuit_build_no_more_hops: Bug: 2-hop circuit 0x7fd6935ce4c0 with purpose 5 ...
