Questions tagged [directory]

Questions relating to Tor directory servers and bridge directories

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14 votes
2 answers
1k views

Best way to set up a Tor lab?

What would be the best [and cheapest] way to set up a private Tor network for testing and experimentation? A rough size estimate is that it should consist of 12 or more onion-routers and should be ...
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22 votes
1 answer
10k views

Is it possible to look up the public key for a .onion-address?

I know .onion addresses are a (partial) hash of a descriptor which contains a public RSA key, so I was wondering: it is possible to see the public key that is found when connecting to a .onion hidden ...
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9 votes
2 answers
3k views

How can Tor use a one hop circuit to a directory server during initial bootstrap?

The Tor manual says: TunnelDirConns 0|1 If non-zero, when a directory server we contact supports it, we will build a one-hop circuit and make an encrypted connection via its ORPort. (Default: 1) Tor ...
  • 2,887
9 votes
1 answer
390 views

Would distributed denial of service (DDoS) attacks on the directory authorities disrupt the Tor network?

Assume someone wants to disrupt the Tor network or maybe bring it down. A powerful attacker could try to DDoS all the directory authorities. As there are only 10 worldwide this seems like an easy task....
  • 8,693
3 votes
1 answer
849 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 votes
1 answer
6k views

Directory Cannot be Readed: Permission Denied after update to 0.3.0 [duplicate]

My hidden service run fine when using 0.2.9.11 on Ubuntu 16.04 server. but get permission denied problem when I update it to 0.3.0.9 log: [notice] Tor 0.3.0.9 (git-100816d92ab5664d) running on Linux ...
13 votes
1 answer
1k views

What specifically causes an Exit to get a Bad Exit flag?

The consensus includes details of exits that are flagged as "Bad Exits". What are the specific conditions under which the Bad Exit flag is given to an exit?
  • 2,650
11 votes
1 answer
3k views

Can anybody explain the Advertised bandwidth, MaxAdvertisedBandwidth, Measured bandwidth, Bandwidth burst, RelayBandwidth rate?

I am confused about a few terms: AdvertisedBandwidth, MaxAdvertisedBandwidth, MeasuredBandwidth, RelayBandwidthBurst, RelayBandwidthRate, BandwidthBurst, and BandwidthRate. Can anyone please explain ...
  • 657
8 votes
3 answers
2k views

Searching for Tor hidden servicces

What resources are best for search .onion networks within the Tor? Unlike the web where you can search for a domain or portal, what equivalent systems are available for search for Tor specific ...
7 votes
2 answers
290 views

Why does hard coded node 'Faravahar' have a different geolocation (USA) than registrar (Mauritius)?

I was editing an IT Security stack exchange question to add geolocation information to a Tor question and I noticed that one of the 10 hard coded directory authorities is ambiguous about its location: ...
6 votes
2 answers
16k 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 ...
  • 81
5 votes
1 answer
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 ...
  • 81
4 votes
1 answer
4k views

What is the criteria for the V2Dir flag appearing?

I've just read What are good explanations for relay flags? to get a feel for what flags could possibly appear on my new relay (which is an image from Tor Cloud, but with torrc modified to be a relay ...
  • 314
4 votes
1 answer
9k 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 ...
4 votes
2 answers
677 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 ...
4 votes
3 answers
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
2 answers
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 ...
  • 345
2 votes
0 answers
178 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 ...
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1 vote
1 answer
1k views

Upload image file from directory to websites

I'm trying to upload image files (e.g. .jpg .jpeg .png) to certain social media websites (i.e. twitter) using the Tor Browser yet the uploaded images look all jumbled up, as in, there are pixels but ...
  • 13
1 vote
2 answers
385 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?
  • 3,256
0 votes
1 answer
173 views

What happens when an ISP blocks all directory servers?

What happens when ISP blocks all DA's. Do we need to use a VPN? Are DA's blocked in Tor blocked countries? How a Tor client gets bridge IP when DA's are blocked?
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