Questions tagged [directory]

Questions relating to Tor directory servers and bridge directories

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vote
3answers
262 views

Can the tor initial client to relay or bridge connection be MITM attacked?

I am not an expert in Wireshark but I was looking at some packets through Wireshark. I noticed that when using a relay that the connection to the directory authority the first few TCP packets such as ...
3
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1answer
395 views

Can't governments who want to censor Tor just block the directory authorities?

Can't governments who want to censor Tor just block the directory authorities? Or does the client reach the directory authorities to fetch the consensus only after building a circuit so that we have {...
2
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1answer
677 views

Tor relay loading informations

i've recently decided to support Tor throught a new relay, then i taked one of my server with debian 8 and follow the steps on torproject website after installing the most recently tor i've edited the ...
1
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1answer
266 views

Is there any way a client connects specific directory mirror(cache)

I want to make client connect with the only specific directory cache what I specify to download consensus document. So, is there any way to do this using torrc or tor command line option ? I think ...
0
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1answer
682 views

What is the difference between fallback, mirror and cache directory

I don't understand the difference of meaning between directory fallback, directory mirror,and cache. Please, explain the difference.
1
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1answer
209 views

What is advantage of using hash of descriptors?

There are two sentences which I don't understand in Tor dir-spec ver 3. (https://gitweb.torproject.org/torspec.git/tree/dir-spec.txt) 1) Descriptors are downloaded by the hash of the descriptor, ...
0
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1answer
235 views

Extra Tor bridges

Following the instructions on the Tor Bridges page, I sent an email requesting some obfs4 bridges. I received a reply saying "no bridges currently available." Then I used the BridgesDB from my ...
0
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1answer
800 views

Detect TOR network using the IP address

I have a website. I just want to detect if the internet traffic is coming through TOR or not. How to find If TOR is being used to access my website ? Is there any catalog of IP address that belongs ...
0
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2answers
287 views

Weird Message in Orbot logs?

I see something like the following line in log: WARN: Recived 404 Status Code "Not Found" from server [IP:Port] while fetching "/tor/keys/fp/[hash refrence here]" Two very intresting things come ...
1
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1answer
132 views

torcc directory paths not parsed

Some if not all of my projects contains folders with symbols in them. Often a leading # hash character or $ dollar sign. When i try to set such a directory within a path like so; DataDirectory Y:\...
2
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1answer
86 views

What are the immutable characteristics that uniquely identify a relay?

In other words, what are the system "ingredients" that are not allowed to change without triggering attribution of a new fingerprint and the restart of the "ramp up" / flagging process? Please ...
1
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0answers
62 views

A few questions about how bandwidth scanners work

I have a few questions related to how bandwidth scanners work. I would appreciate it a lot if anyone could answer any one (or all) of them: From what I read in the bandwidth scanners spec, my ...
1
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0answers
215 views

how to access sites on deep net [duplicate]

Every link I enter returns the error: "Unable to connect Firefox can't establish a connection to the server at [link]. The site could be temporarily unavailable or too busy. Try again in a few ...
1
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2answers
284 views

Measuring current load on a Tor relay

I was wondering if anyone could give me some advice on the usefulness of measuring the current load on a router. I have read the bandwidth authority specification, and I have a rough idea on how ...
4
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1answer
362 views

How Tor Browser knows that a directory server is legit?

How Tor Browser knows that a directory server is legit? Does it have their certificates hardcoded?
2
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1answer
311 views

How does handshake with directory server work?

How does handshake with directory server work in the standard setup? How does it work when you configure Tor Browser to use a custom bridge?
7
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3answers
14k views

Cannot open Tor Browser using Terminal

I recently extracted tor-browser-linux64-6.0a4_en-US.tar.xz on a mounted drive. And tried to start the browser. The Browser didn't open due to not recognizing the .desktop file which starts the ...
0
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2answers
1k views

What is the difference between a directory server and a hidden service database?

After reading how hidden services work it is not clear to me whether a hidden service database as shown in the figure bellow, is different from a directory server. On which port does it provide the ...
2
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0answers
571 views

How do bandwidth authorities measure bandwidth?

After reading a number of questions and resources on bandwidth measurements and life cycle of tor relays: can anyone tell me about the bandwidth weights? Can anybody explain the Advertised bandwidth,...
4
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2answers
2k views

Where does tor look for directory servers?

I'm working on a project and need to determine how tor determines directory authorities. Looking at the source of version 0.2.8.0-alpha-dev (git-d015c70a118e4357) in file or/config.c there are a ...
3
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1answer
64 views

Does Tor client connect to multiple Directory Servers?

In my pcap file capturing Tor traffic, there are connections to 2 Directory Servers (x.x.x.x:9001 and y.y.y.y:443) and they started nearly at the same time. My question is that is it normal or not? ...
3
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2answers
744 views

Why does a restart cause a relay to lose the Guard and HSDir flag?

Why does a restart cause a relay to lose the Guard and HSDir flag? I understand that the Guard and HSDir flag are based on time in the network. However, why is it important when the last restart ...
1
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1answer
506 views

How Tor's fingerprint is calculated?

according to Tor's specifications, the fingerprint is A fingerprint (a HASH_LEN-byte of asn1 encoded public key, encoded in hex, with a single space after every 4 characters) for this router's ...
5
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1answer
706 views

Creating Directory Server

I'm trying to create a private Tor network and currently configuring the Directory Server. I run the command tor --list-fingerprint But it returns Clients don't have long-term identity keys. ...
2
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1answer
316 views

implementation for Tor directory server?

Is the code of the Tor directory servers open sourced? If i would like to run my own for the purpose of experimenting, what is the easiest way to do it?
4
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1answer
167 views

How does Tor guarantee server integrity?

As I understood, when a client connects through Tor he connects to the central Tor servers, picks up three (or more) public keys, connects to the first, makes a chain to the second and makes a chain ...
1
vote
1answer
445 views

How is hidden service directory protected from DOS?

What is the maximum number of hidden services DHT (Distributed Hash Table) can hold? Who maintains the directory? What stops anyone from creating a huge list of hidden services (onion addresses) that ...
4
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0answers
39 views

why is the weight for guards in exit position equal to weight of both guard ans exit flagged nodes for exit position?

Why is the weight factor Weg set equal to Wed in tor code (in file dirvote.c)? How does it still result in correct probabilities?
6
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2answers
15k views

Tor expert bundle on Windows - no installation instructions

Before there was a installer. Now it's just a zip file with no installation instructions. Where do I put the DATA directory? Also when I run tor.exe nothing happens, I see no command line options ...
1
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1answer
89 views

What is the difference between Atlas and Consensus health?

Dear those experts who are familiar with Directory Protocol, I just search on Atlas for Authorities Directories and found there are 10, include "Tonga". But when I check the Consensus Health I found ...
2
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1answer
87 views

What does tor proxy and tor directory stores?

Does tor proxy includes keys that it shares with all tor nodes for encryption?who stores information about all tor nodes in the route?
2
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2answers
2k views

How is data encrypted and decrypted in onion routing?

I read that onion proxy adds a layer of abstraction for each onion router in a route,and each onion router just removes a layer of encryption then does onion proxy knows about all onion routers in the ...
6
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1answer
213 views

Calculation of bandwidth and measured-bandwidth for votes

In the consensus files there are bandwidth specifications for every router. This (consensus) data originates from the directory authorities votes, which contain a bandwidth as well as measured ...
3
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1answer
42 views

Where do I find previous Tor consensuses, and other metrics data?

i am looking to do a bit of research on previous Tor consensuses, i am looking to go back years, is there a location that saves every previous consensus ? Thanks Rich
4
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2answers
620 views

How many times does client fetch the consensus file from directory authorities?

I am wondering that how many times a client "talks" to Directory Server (say, it can be a hard-coded Directory Authority Server, or just a normal Directory Server) to fetch the consensus file, knowing ...
5
votes
1answer
2k views

Tor over VPN - http status code 404 not found

[warn] Received http status code 404 ("Not found") from server 'x.x.x.x:9001' while fetching "/tor/keys/fp/(40-key-characters and numbers)". Is there a way to allow the keys? Is it important to have ...
4
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3answers
2k views

How can I get consensus data from Directory authority servers for research purpose?

Dear All Experts out there! I am doing some researches about the Tor Network, and want to frequently download the consensus data from the Directory Authority Servers (let say 5 minutes each). Thanks ...
4
votes
1answer
8k views

How many directory servers are there in the Tor networks?

I recently become interested in researching about the Tor network, and do want to do some research about it. I was heard that there are around 10 directory servers which are hard-coded into the Tor ...
1
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2answers
315 views

What would happen if directory authorities were compromised or taken down?

If many directory authorities are compromised or offline, is it still safe to use Tor? What are security and anonymity consequences for Tor users of such an attack on directory authorities?
0
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2answers
273 views

Warning!!! Many of directory authorities are compromised and taken down, This is a horrendous security risk, Who has done it and why? [closed]

Warning!!! It appears that many Directory authorities are compromised and taken down, This is a horrendous security risk, Who has done it and Why? There are currently 9 directory authorities. More ...
5
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2answers
56 views

Why do index descriptors use hashes?

According to the Directory Specification: Descriptors were indexed by their digests, in order to prevent malicious caches from giving different versions of a router descriptor to different clients. ...
2
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0answers
3k views

No route to host

My laptop computer has Debian stable 7 installed and I downloaded the 64bit Tor. I am unable to connect to Tor, the error message is below: Tor failed to establish a Tor network connection. ...
1
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0answers
131 views

Is an Hidden Service directory the same thing as a Directory Server?

I'm trying to get a better idea of the cast of characters that comprise the Tor network structure and am hung up a bit on the distinction between these.
2
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0answers
175 views

sudden change in port number of closest relay when changed to pasing traffic of Firefox through Tor network

I understand to obtain the complete successful results out of Tor, is it mandatory to use Tor browser bundle. But sometimes, for a general user, Firefox is much tempting to use for many reasons as a ...
1
vote
1answer
671 views

Why are these Tor Directory URIs invalid?

I set up my web server to proxy my dirport to port 80 (to try to make things easier for folks who are firewalled) and found something interesting. The following requests were proxied successfully ...
3
votes
2answers
3k views

How can I sync computer's time with Tor?

I know about NTP, but since it's communication is NOT encrypted I don't want to use it. The question is, how can I sync time with Tor proxy? "HTP" protocol can achieve this, but it's not reliable(...
9
votes
1answer
345 views

How many clients are typically using Tor simultaneously? How many circuits are simultaneously in use?

From Tor Metrics: Users, I get that there are currently about 2.4 million "directly connecting users". And in Questions and answers about user statistics, I see: Q: So, are these distinct users per ...
2
votes
1answer
337 views

Does Directory Traffic count towards Consensus Weight?

When I have a node running, lets say an Entry Guard, that also acts as a Directory Mirror. Will the bandwidth used sending directory information also count towards the consensus weight? And if so or ...
4
votes
1answer
226 views

What does "Directory guard" design means in the following context and could somebody elaborate on this Tor FAQ quote?

Following, please find a quote from Tor FAQ : "Restricting your entry nodes may also help against attackers who want to run a few Tor nodes and easily enumerate all of the Tor user IP addresses....
9
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1answer
1k views

In what ways can private relays be used?

There are applications where private relays, not listed in public consensus directories, would perhaps be useful. For example, one might use four-relay circuits with private entry guards and exit ...