Questions tagged [circuit]

A Tor circuit is a private network pathway built incrementally as a series of encrypted connections through relays on the network.

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CloudFlare versus Tor ExitNodes setting

This question here asked a similar thing. But I want to ask a more specific one. We know that to force Tor browser to use exit nodes from certain country, we should edit file torrc with a line like ...
Tristan Tran's user avatar
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If I compile Tor to use 2 hops circuits, will it make 2 hops circuits to non-anonymous hidden services?

I know that Tor introduced options for setting up a non-anonymous hidden service, Cloudflare hidden resolver is an example of a non-anonymous one. I built a Tor binary to use 2 hops circuits for ...
przemyslawo's user avatar
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How does Tor create circuits

I was reading a proposal written by Roger and Nick about the 2nd Generation onion router and noticed that they mentioned in the previous design, onion routing could only build a circuit for every ...
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biulding tor relay

i dont know someone else asking this before but bere is my quetion if i had biuld tor relay to help network obviously the network will quickly biuld circut on it i wana put huge bandwidth on it its ok ...
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Tor isn't fully starting nor bootstraping! Signaled readiness to systemd

Tor isn't fully starting nor bootstrapping! and connections keeps on throwing time-out errors... journalctl -xeu [email protected] May 13 20:34:56 ZDei systemd[29470]: [email protected]: Executing:...
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How can I request a new circuit for a site using control commands?

I've recently been trying to set up some basic tor functionality with firefox by routing certain sites through the tor network to allow for more anonymity and the ability to access tor hidden services....
user38343's user avatar
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How do TOR nodes select the CircID's when creating, or extending, a circuit?

I am coding my own version of TOR and I am trying to set up circuit management. I looked at the TOR spec and it says: To prevent CircID collisions, when one node sends a CREATE/CREATE2 cell to ...
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Python APP that requests switching to clean circuits hangs when served with UWSIG but works when it runs from the command line

I have a python Flask application that serves a website and does a bunch of other things such as querying a database, displaying the results on the website...and also creating an instance of the Tor ...
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Circuit status details with stem

With stem I can list the active circuits and some details about them What I would like to understand is: how can I know if one of the circuits has been used (it's dirty) or not (it's clean)? This ...
Tom's user avatar
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Hello, how do I run my information over the tor network twice

I was wondering how do I send my data through the tor circuit twice (6 relays instead of the normal 3) if that would add extra security so I can be fully untraceable?
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Tor safe when taking future in to account?

With quantum computing becoming better by the day I have a few questions. How viable and likely is it that an adversary to saves all tor traffic in order to decrypt it at a later date? When ...
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Is it possible to have more than one guard node?

Is it possible to have more than one guard node? The Tor Project Website says that the guard node is always the same and when viewing the circuit for the current site, there's a note that says "...
user942937's user avatar
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Does clicking on "new circuit for this site" too often risk deanonymization?

I have a (probably stupid) quirk/OCB: When I want my traffic to a website to be particularly hard to backtrace, I click dozens of times on the new circuit for this site button (sometimes for >15 ...
summerrain's user avatar
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Tor Browser's "new circuit": SSL session, DNS cache, and other details

If I understand correctly Tor Browser's "new circuit" attaches new connections to a new circuit while letting old connections finish in the old circuit. It does not clear out cookies, so ...
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Tor daemon is frozenn ( Rend stream is 120 seconds late.)

Good day, i have some problem with tor daemon on Linux. i use tor daemon to proxy access some site, but periodic tor is frozen, and can't proxy requests. in logs i seee only this. Oct 07 02:29:54 Tor[...
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understanding tor cell structure

I am looking to create my own version of TOR, and to do that I need to understand the way that relay, directory servers and clients communicate. but after reading Tor: The Second-Generation Onion ...
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What are the botnets that can be used on tor?

I am a student and want to study botnets on tor, so I would like to ask what are the botnets that can be used on tor, preferably controlled through C&C. It would be nice to have the source code of ...
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Is it possible to completely control your Tor circuit?

I'm pretty new to the community. A "Tor" circuit usually consists of an entry guard, a middle node and an exit. I know that it's possible to change the entry guard manually, but can you also ...
Lucaz's user avatar
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Does cross-site AJAX queries use the same circuit established for the origin domain?

If, within the Tor Browser, I'm visiting a.com, and the loaded website does an AJAX query to b.com, will the AJAX query use the circuit established for a.com, or will the browser establish a new ...
CuriousGuy's user avatar
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Where in the codebase does Tor detect outages?

It seems clear to me that Tor has some facility for discovering when connectivity within a circuit is lost. I'd like to find that point and add a log_debug into it, as the current Tor logging does ...
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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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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 ...
Arushi Arora's user avatar
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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 ...
numX's user avatar
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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 ...
Arushi Arora's user avatar
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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 ...
carlos carbajal's user avatar
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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 ...
Christian Pao.'s user avatar
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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 ...
verb0's user avatar
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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 ...
Cipher Visor's user avatar
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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 ...
Nzbdroneer's user avatar
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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 ...
Ethan's user avatar
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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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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 ...
Ish Kav's user avatar
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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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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 ...
Mary Chang's user avatar
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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 ...
Dex's user avatar
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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 ...
Anonymous Tor User's user avatar
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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 ...
JAS's user avatar
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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 ...
tor123's user avatar
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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 ...
Mir Saman's user avatar
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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 ...
AIcfpNaWbMmItYvxbWwED's user avatar
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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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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 ...
user28534's user avatar
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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?
someone235's user avatar
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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 ...
TheXZMosue's user avatar
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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 ...
dzgray's user avatar
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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 ...
user674907's user avatar
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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 ...
Lord Vapor's user avatar
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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 ...
YU.MO's user avatar
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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, ...
cablewelo2ma's user avatar
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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 & ...
David's user avatar
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