Questions tagged [relays]

Questions relating to relays, their maintenance, and operation.

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72 views

Set up arm for local access only

Since two days, I'm running a Tor relay I call charon. I heard about arm that shows you some statistics about your relay, which sounds like a great tool to have. For it to work, you have to enable ...
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1answer
980 views

Running a Tor relay using Orbot

I cannot see options to run tor relay or exit node from Orbot (Android App). I think it would be a very awesome feature to have on mobile devices because mobile devices have very good uptime like ...
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1answer
139 views

Tor router validation

my question is how does Tor validate routers? There are some specifications that mention that there are "validated" nodes, which have a "valid" flag (e.g. https://gitweb.torproject.org/torspec.git/...
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2answers
1k views

How to start tor on boot in Raspian Jessie?

I compiled tor from the source tarball annd configured it to run as a relay. The problem is that it won't start automatically on boot. I'm running raspbian jessie on a raspberry pi.
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1answer
99 views

Does a relay write to disk frequently?

I'm a new relay operator. I'm running a non-exit relay on a Raspberry Pi, whose main storage device is an SD card. I'm concerned that the relay software may be shortening the life of my SD card by ...
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2answers
519 views

What is the point of a relay family?

Consider the following recommendation, taken from the official FAQ : You should set MyFamily if you have administrative control of the computers or of their network, even if they're not all in ...
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2answers
337 views

Are AES-NI crypto instructions used by my Tor (relay) server?

I have a server with Linux Debian 8.4, running a relay. I read that AES-NI could improve the performance of my relay. Or at least, less stress the CPU by crypto operations. Proof of AES-NI detected ...
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1answer
86 views

Atlas and Globe shows my country not

I want to see my country (Austria) with Globe and Atlas! What can I do?
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2answers
263 views

Firewall rules Tor Middle Relay help

ORPort 9001 From external from the entry relays to internal the traffic runs inet proto tcp port >1024 to --> port 9001 ... but, then for my understanding: How runs the traffic out from here (the ...
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1answer
394 views

Multiple Tor relays vs one bigger relay on one connection

Today I got an idea, that I have multiple (5) computers, which I can have running all the time, so why not to make them all relays, right? Well for one, I have limited connection (50mbit up/down). So ...
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1answer
254 views

How often can I / should I restart my new Tor relay?

To my current understanding, the longer the Tor relay operates continuously, the better. But what if I want to do some maintenance on the server? I don't want to lose the newly given Guard flag (...
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31 views

Is my TOR installation compromised? [duplicate]

Firstly, I am not an Internet or TOR expert I have just started exploring it. BUT after using it OK for a couple of months I have recently noticed what to me is suspicious/odd. Nowadays when ever I ...
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1answer
322 views

Is it safe to run a relay-only node?

I have some spare bandwidth at home that I am willing to donate to the TOR project. I am thinking about running a relay-only / non-exit node, but only if it is completely safe and trouble-free for me. ...
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2answers
210 views

ORPort different from 443 and 80, will I actually help anyone?

I have set up my relay as per this link I have one question. Since I have set ORPort 63547, will I actually help anyone? I run a web server, so ports 80 and 443 and other ports are sadly out of the ...
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2answers
811 views

Setting up non-exit Tor relay on Linux Debian Stretch

The server is running Linux Debian Stretch (9, testing). I have installed tor as follows: I created APT file for Tor: sudo nano /etc/apt/sources.list.d/tor.list I entered these lines: deb http://...
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0answers
239 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 ...
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1answer
299 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: ...
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1answer
71 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 ...
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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 ...
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1answer
507 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 ...
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2answers
227 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 ...
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2answers
869 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? ...
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1answer
78 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?
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1answer
327 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 ...
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1answer
41 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 ...
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2answers
712 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 ...
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2answers
426 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 ...
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1answer
95 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?
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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, ...
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1answer
44 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?
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2answers
303 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 ...
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1answer
73 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
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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 ...
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2answers
55 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. ...
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1answer
595 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: * ...
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1answer
255 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....
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514 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,...
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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 ...
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1answer
55 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.
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1answer
320 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 ...
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0answers
566 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 ...
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0answers
879 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 ...
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2answers
1k 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
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1answer
219 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!
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1answer
115 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
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1answer
3k 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 ...
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1answer
80 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 ...
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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. ...
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2answers
506 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 ...
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1answer
197 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 ...