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Questions tagged [relays]

Questions relating to relays, their maintenance, and operation.

1
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0answers
211 views

Tor Circuit failed to be created: destroyed

Okay, so I'm running a few experiments on Tor for a course project. I keep on changing different relays to see the effects on response time. But on some of the circuits, I keep on getting this ...
2
votes
1answer
250 views

I'm not getting guard flag. Whats the requirements for that?

Also, im not getting the stable flag. I'v been online for about a month. 20.april I switched from win to linux. I've had some restarts of the relay, but not long downtimes. my fingerprint: ...
2
votes
1answer
67 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
57 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 ...
5
votes
1answer
479 views

What is the most appropriate kind of hardware to run a Tor relay on?

In the purpose of setting up a Tor relay that makes good use of a fast FTTH connection, what computer will do the job most efficiently at the time of writing, provided the following requirements are ...
1
vote
2answers
222 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 ...
2
votes
2answers
790 views

List hidden service managed by an HSDIR

if i have a relay with the HSdir flag, there is a way to know what are the hidden services descriptor hosted on it? in other word, can i list all hidden services present in the hash table of a relay? ...
5
votes
1answer
76 views

What if a powerful adversary controls a lot of relays?

Given that anyone can set up a relay server, what if a powerful adversary sets up a lot of relays around the world?
3
votes
1answer
313 views

How does de-anonymization work?

I heard that someone, who can read the traffic of many tor nodes (like the government of a country where many nodes are located) can find out which user is sending/reading data to/from which resource ...
0
votes
1answer
38 views

Forcing every user to be a decoy relay?

Hypothetically what good or bad would happen if you forced practically every user to be a decoy relay. So Tor right now, gives you the option to be a relay which is awesome. But what would be the ...
3
votes
2answers
645 views

Sniff Tor onions address from a relay

Currently working on a Tor study, I would have a question regarding the tor hidden services. I read lot of technicals papers to better understand the tor working on this point, like these good ...
2
votes
2answers
406 views

Finding available bandwidth of a relay

Is there any method to get the available bandwidth of a Tor Relay. (Not the one the relay publishes itself.) Plus I wrote the following sets of code: from stem.descriptor.remote import ...
0
votes
1answer
91 views

How does the TOR propagation of nodes work?

When a relay or HSP broadcasts its key (non exit node), how does a TOR client find it? How is the propagation of exit nodes and relay nodes (or HSPs) shared?
0
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1answer
35 views

Does a tor message keep track of number of nodes it's gone through?

Let's say you have a message. Does it include the number of hops it has passed through? If no, what is stopping it from just being passed around indefinitely and never reaching an exit node? If yes, ...
2
votes
1answer
43 views

TOR switched bridges

I open TOR with a bridge to a foreign country. During use when I opened a new tab the bridge switched to USA. I never saw this happen before. Is it suspicious or normal activity?
1
vote
2answers
293 views

is there something like tor for VOIP?

One of the killer applications of tor is the ability to create a new tor circuit at the push of a button. Is there something similar for VOIP where also your dynamic/static IP is exposed in the ...
1
vote
1answer
67 views

Nodes from Japan showing up as from Netherlands?

How does Tor determine what country a node is based in? For ex, tracerouting this current relay ip 45.32.55.55 shows it is from Japan, but Tor tags it as being from the Netherlands
1
vote
1answer
43 views

Circuits in use when time to re-boot

The occasional re-boot is needed for updates and things. Do I need to somehow clear / stop current relay circuits prior to doing a reboot to keep from messing someone up? Or do it just do a tor ...
1
vote
2answers
54 views

tor relays question?

I read this in some book : All connections between the first relay and the exit relay are encrypted, and each relay along the way knows only the previous and the next hop. ...
0
votes
1answer
555 views

“Reloading tor daemon configuration… fail” after updating torrc

I'm running a relay node on my box, and I recently updated the torrc file (I set a RelayBandwidthRate and commented out AccountingMax) I then run: $ service tor reload and this is the output: * ...
0
votes
1answer
249 views

What is the connections tab in ARM used for?

I have recently set up a TOR relay (non-exit) and I am a little confused as to what the "Connections" tab in ARM is used for. For example, it will display something similar to the following: x 104....
2
votes
0answers
493 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
votes
2answers
1k 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 ...
1
vote
1answer
54 views

Preferred terms for Tor relay positions

Is it preferable to call the first relay the "entry" relay or "guard" relay? I've seen both in the published literature.
2
votes
1answer
313 views

I'm building lot's of circuits. What could cause this?

I run a relay. It has a SocksPort listening, but I don’t use it as a client for anything at the moment. It also hosts a hidden service. From time to time I get warnings like this: [warn] Your ...
0
votes
0answers
504 views

Is there a limit in the number of connections?

When I use Tor as a socks5 proxy for my applications, is there a limit in the number of connections I can perform to other hidden services (addresses.onion)? I am developing an application to check ...
1
vote
0answers
816 views

Relay Can't Bind Tor to Port 9050

I'm setting up a relay on Ubuntu 14.04 using the instructions here: https://www.torproject.org/docs/debian.html.en#ubuntu. My config is super small and basic: ORPort 9050 DirPort 9030 ...
8
votes
2answers
933 views

How does having a dynamic IP for Tor relay affect its metrics?

I'm running a Tor non-exit relay on a network with a dynamic IP that changes every day. What is the update on how this can affect the metrics of my relay (mainly the stable flag, uptime, consensus ...
3
votes
1answer
193 views

Best use of port 80 for my Tor relay

My relay is currently using the default ports (9001, 9030). I'm using port 443, but 80 is available. Would it be useful to use port 80 for either the ORPort or the DirPort? If so, which one? Thanks!
0
votes
1answer
112 views

How to access “Configure” page to set up bridge relay

I downloaded the latest Tor version and now need to configure a bridge relay, as the web site I am trying to view is still banning me (www.godlikeproductions.com). They must have very sophisticated IP ...
4
votes
1answer
2k views

Tor on linux - how to select exit nodes manually

On windows, there is an application called Advanced Onion Router (or, AdvOR) which lets you choose your tor exit nodes, and it lists them all out. This is great, because some exit nodes have ...
-1
votes
1answer
78 views

Mozilla now hosting Tor relay nodes

What is the deal with allowing Mozilla to host Tor relay nodes? They say their contribution will help to greatly expand and improve the Tor network, yet despite all the recent spin on the truth about ...
3
votes
1answer
30 views

Recent drop in Tor clients?

Today I looked at the Tor Metrics for the first time. I was surprised by the data on the number of direct users. It appears that the number of users has recently decreased by 50% in the past month. ...
2
votes
2answers
489 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 ...
0
votes
1answer
191 views

Finding ubuntu user account running tor for tor-arm install

I am wondering how I go about finding the user that is running tor when installed on ubuntu. The quote below says that tor should be running as a separate user. I have a relay setup and currently ...
1
vote
1answer
98 views

Noob:: would someone be helpful to be sure I am as private as possible?

I follow all of the usual set ups, but in global it shows my external ip and the name of my isp. Is this normal? Am I putting myself out there more than I need to? Thank you for your patience. link ...
1
vote
1answer
150 views

How to limit use of socket buffers?

I've got a relay on an OpenVZ VPS which is constrained by the number of sockets available for use. (numtcpsock in /proc/user_beancounters). This results in my getting these errors in my Tor log: [...
2
votes
1answer
2k views

How often do Tor exit nodes change Ip addresses?

A majority of Tor traffic is routed through around ~80 exit nodes I was wondering how often do these exit nodes change their ip addresses? There is a list of exit nodes here https://torstatus....
3
votes
1answer
122 views

Does Tor have any protection against bandwidth misuse?

Let's say someone runs 100 Tor instances on their machine and with their high speed internet connection -> download huge volumes of data through all of those instances. Are there any mechanisms ...
9
votes
4answers
2k views

Is it possible to setup a private TOR relay

I have a proxy setup on one of my machines which is behind a router. And I need to use that proxy from another network. But my problem is that I cannot forward ports from the router to the proxy ...
2
votes
0answers
57 views

Run tor and TBB at the same time with the same ports on same PC

Just what the title says: is it safe/good practise/etc to run tor as a service (LM17.2) and TBB on the same PC, same time, same ports? Will this be related to that part of the FAQ where it says I have ...
1
vote
2answers
142 views

Is there a way to prevent Tor from appearing suspicious by connecting to strange locations?

I used Tor at work and got informed by a security analyst that my computer was exhibiting strange behavior. She said that it was connecting to servers in Amsterdam. Though I think there were some ...
5
votes
3answers
3k views

How can I run a relay on Windows?

As the question says, how can I run a relay on Windows XP or Vista? I have looked and can't find a solution. I did run one from an Android tablet but that is not always on. My PC's are running 24/7 ...
2
votes
1answer
187 views

Tor is making me an exit node despite configuration?

I am trying to create a non-exit relay. I have edited the torrc file to ExitPolicy reject *:*, but when I monitor my connection in arm it lists my relay nickname as an "EXIT" in multiple circuits. Is ...
5
votes
1answer
2k views

How do I get a list of tor relays?

I see that some websites such as this one have a complete list of all tor relays. How do they dynamically find all of the relays in the tor network?
4
votes
3answers
2k views

Can tor nodes (entry, exit, others) store IPs?

I'm a new Tor user. And I want to ensure several questions. Can "entry point" router store my IP? Can "middle relay" store "entry point" IP? Can "exit point" router store "middle relay" IP? I think ...
4
votes
1answer
241 views

Why is my measured bandwidth so low compared to actual — is there a off by 1K issue?

I've noticed my Tor relay measured bandwidth is very low compared to both my advertized and external-to-Tor measured bandwidth. Based on the following observations, I wonder: is there's a 1K scale ...
1
vote
1answer
446 views

First Circuit Server Constant (New Identity) [duplicate]

No matter what I am trying, I can't change the first server in the circuit. Neither "New Identity" nor "New Circuit" or closing the browser will change it. I tried two different tor instances from ...
4
votes
1answer
153 views

Why do relays not end idle TCP sessions?

I'm running a relay on a 1Gbps connection. However, my relay averages around 3Mbps up/down each after several months. After substantial investigation, I found the cause: my relay sets up TCP sessions ...
0
votes
1answer
197 views

Tor entrance point does not change [duplicate]

When I look at the tor channel - the entrance point is always 124.6.36.230 (Great Britain) - even if I ask tor to choose a new channel. I thought the route through tor is randomly selected. But if the ...