Questions tagged [relays]

Questions relating to relays, their maintenance, and operation.

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Private Tor network connection issue due to error in TLS handshake

I have tried to create a private Tor network by using Chutney and Raspberry pis. I generated torrc and certificate files in chutney for a basic minimum network (4 Authorities, 1 Client and 1 Exit). I ...
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Running a Tor Bridge Relay on Ubuntu

I am trying to set up a bridge relay on my ubuntu 20.04 system but getting stuck at step 3. Edit your Tor config file, usually located at /etc/tor/torrc and replace its content with: When I open the ...
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torrc file for a private Directory Authority in Private Tor network

I am trying to build a private tor network using raspberry pis. As a start, I am trying to emulate the basic-min network configuration (4 Authorities(also works as non-exit relays), 1 Exit, 1 Client) ...
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48 views

How can I analyze Tor traffic on my relay?

I'm doing a research on Onion routing (Tor). I've successfully set up a middle relay for the purpose of analyzing Tor traffic. I'd like to: See all circuits that my relay is currently part of See &...
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Server is unreachable

I've set up a computer in my home just to run a relay. I have a fiber connection to my house and want to put it to good use so im trying to run tor. My server is currently running debian,(Ubuntu) as ...
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36 views

Do relay and entry nodes keep logs?

I research tor, and have some question bout it. Can relay node know which entry node transferred certain traffic? Or can't, cause tor uses ephemeral encryption and after circuit ends, keys removed, ...
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28 views

Does an exit relay also relays non-exit traffic?

I would like to run an exit relay, but I don't want to deal with almost any abuse issues. So I figured to only exit to hidden services. If my understandings are right, the exit policy and the relay ...
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74 views

cannot upgrade to tor unstable version

i run a tor relay on a raspberry pi3. all is ok so far but when i try to upgrade tor 0.4.2.7 to the latest unstable version it says something like: N: Skipping acquire of configured file 'main/binary-...
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What to do to access Tor Network when Tor browser can't contact bridges and relays?

Please, can anyone help me? I am born a Chinese, but I am an outsider among the Chinese, I don't like China very much, in fact I hate it. So I am in China, I am behind the Great FireWall of China, ...
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79 views

500 new relays at the beginning of each month?

.. and then they gradually vanish over the next 4 weeks! Can anyone tell me why this sawtooth pattern has appeared in the Tor relay metrics since August? On the 2nd August, 2nd Sep and 2nd Oct, about ...
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25 views

connect two server via tor

if we have two server let's say server1(92.92.92.92) server2(76.76.76.76). I'm working on redirect incoming traffic on server1 port 4444 to server2 port 12345,this is easy with iptables rule on ...
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My new relay is recorded in the wrong country

On relay search my new Tor relay's country is given as Ukraine. In fact it's in Germany. Also the AS given on relay search is wrong. Have I configured the relay wrongly? Can I change this so its ...
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Do you build a 3-hop circuit to HSDir relays, and do introduction points require your authentication cookie?

If you're requesting a hidden service descriptor from a HSDir relay, are you building a circuit to that HSDir relay or are you not? Also, if you're running a stealth hidden service and the ...
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Do Guard relays rate limit ip addresses of hidden services?

My hidden service gets hit for a while then it fails creating circuits because of the guard. Is it because the guard can't respond or doesn't respond deliberately to protect itself? I couldn't find a ...
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45 views

Hidden Service Behind a Bridge

Without a bridge, my hidden service is accessible for others. But when I use a tor bridge, this hidden service is not accessible. My torrc is: UseBridges 1 Bridge obfs4 my_bridge_ip:my_bridge_port ...
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Client Giving Up on My Slow Tor Relay Node?

I am working on a customized relay node for a research project (currently runs very slow), but I am having a hard time testing it because it does not seem to be able to be part of the circuit. I set ...
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49 views

Use Tor as Proxy for Internet

I want to use Tor as a proxy. Or more specifically reroute my Internet traffic from for example my browser over Tor to change my location. I found out you can set entry and exit nodes by country if ...
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Using tshark with Chutney?

I am trying to debug a customized Tor relay node (which is dynamically instrumented), so I set up a small virtual network using Chutney. For some reason, the client Tor node in Chutney cannot connect ...
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25 views

Help needed understanding beginning of the Tor relay lifecycle

I am trying to understand how does a new Tor relay begins its life. I understand that the relay will form server descriptors based on its config and send them to all the known directory authorities as ...
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20 views

Tor relay cache directory location

I have just moved my tor relay on a raspberry pi on a cheap microsd card, so I would like its I/O to reduce to a minimum to avoid destroying it in a month or so. I have already set AvoidDiskWrites 1 ...
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111 views

is this a threat to tor?

an adversary controls some middle nodes and they log ip adresses of users and times they connect. if an adversary controlled middle node receives traffic from one of their own controlled middle nodes ...
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47 views

Is it possible to find encryption key in Tor Browser?

I'm doing a presentation on Tor. Is it possible to capture and find keys and decrypt data.
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Tor relay fails after some time on a bonded interface

My Debian Buster server has to 1 gig interface nics, i decided to create a bonded interface coupling eth1 and eth2 as 1 interface Bond0 with 2 Gbit bandwith. Relay starts fine, but after a day or less,...
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52 views

Relay's consensus data scrubbed for inbound connections

Since I began running a relay several months ago, I'd occasionally see, using nyx, a recurring inbound connection from one particular Authority, along with its nickname, IP address, and flags. It ...
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Running a Tor-Relay on a private network restricts other services (eg netflix)

This is not so much a question but a post for completion. I hope this meets the community standards. I am running a tor-relay in my home network. Naturally, it is reachable on my public IP that is ...
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103 views

TOR ORPort Unreachable

I've setup a middle relay on ubuntu (virtual machine) and a bridge on Windows. However, on both OS's I'm facing the same issue as mentioned in the title. For bridge relay, I've opened the ports in ...
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75 views

how tor establishes connection on first run?

As far as I know, there are nine hardcoded directory servers in the tor program. So, is it's starting by making one of them as it's guard node and then on step two, obtain data about all other relays ...
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Can you transfer a relay to a new device using the same IP?

I’ve got a Debian VM with a relay running, however, I’d like to transfer it to another VM with minimal Debian installed. If I assign the new machine with the same IP and configurations, can it run the ...
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109 views

Tor-relay on raspberry : /var/lib/tor

I run a tor relay on a Raspberry Pi, with ramdisk e.g. used for /var/lib/tor and some other folders that see lots of data written, so that the SD card does not see too many writes. No the folder /...
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91 views

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 ...
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130 views

What is the StaleDesc (state descriptor) flag and how do I update my state descriptor?

My week old relay node got this flag today, I couldn't find any explanations about it figured I'd ask here. All I found out was that it was introduced in tor 4.x
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Tor Guard Selection

so I am trying to understand the Tor path selection in more details especially for the entry guard. So i read in the path-spec.txt that there is a bandwidth weighted entry guard selection where the ...
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87 views

Why is my tor relay taking so much CPU power?

My tor relay uses ~50 Mbytes/s (25 MBytes/s read and 25 MBytes/s write). I would expect that each byte has to be decrypted and encrypted once. So I would expect my tor relay decrypts ~25 MBytes/s and ...
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Relay remains unmeasured for over 30 days

I run a relay in my home network. The relay runs on my router (self build opnsense machine). Details of my relay indicate that initially it progressed the usual live cycle of a relay. Then all ...
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Relay OR/Dir port Unreachable

Msg From Nyx - Your relay has a very large number of connections to other relays. Is your outbound address the same as your relay address? Found 11 connections to 7 relays. Found 11 current canonical ...
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19 views

Can't start relay - certificate error

Upon trying to start it I get this: Mar 04 08:09:00 beeldbox Tor[30025]: No signature found on key certificate Thing is this was working fine yesterday I've finally built up enough consensus weight ...
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Extra Entry Guards, Duplicate Relays, and Similar Exit Nodes: Is this how Tor is supposed to work?

Similar nodes are acting as multiple exit nodes with names such as Pwner1 and Pwner2 and other exit nodes have exactly the same name for multiple circuits but with different fingerprints such as PWNEE....
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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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2k views

Problem bootstrapping. Stuck at 10% (conn_done): Connected to a relay

While settting up my relay, I met this question: Jan 19 10:02:22.000 [warn] Problem bootstrapping. Stuck at 10% (conn_done): Connected to a relay. (DONE; DONE; count 51; recommendation warn; host ...
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52 views

How is a Tor relay's advertised bandwidth verified?

Back in 2007, Bauer et al. showed that a relay-level adversary could lie about their bandwidth capabilities, thus unfairly increasing the chance of having their relay selected in Tor circuits [^1]. ...
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117 views

Why there is no easy method for running a Tor relay?

Running a Tor relay is too hard and complicated for many people who may want to help Tor. Why there is no click-to-run method for running a Tor relay? Like Tor Browser Especially for Windows users
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Relay on public and private network; recommendations

I have set up a relay with its own dynamic public IP directly on the Internet. The only port allowed on the public interface is the ORPort, and this is the way I want to keep it. However, it would be ...
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70 views

Who are responsible for manage Tor directory servers?

Many documents says that a user that use tor network should connect to tor directory server to make circuit. Who is responsible for manage Tor directory servers? if there are some people who is ...
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27 views

Okay to run relay with an -alpha-dev distribution?

I am running a relay with the tor-0.4.3.0-alpha-dev distribution, which I installed as a noob mistake. Is it okay to continue with this version? If not, then do I just do a standard apt-get uninstall ...
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103 views

Hidden Service in TestingTorNetwork connected to non-Exit Nodes

I set up a testing environment made of lxd containers on Ubuntu 18.04. Each container is based on the Ubuntu 18.04 image and runs Tor version 0.4.1.6. Specifically, I have the following running ...
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81 views

Why does Tor use more relays when connecting to .onion site than to normal one?

I've noticed that Tor connects to sites on clearnet with 3 relays (see first picture). In this particular example my packets go through relays in Germany, Canada and US. But when I connect to duck ...
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115 views

1 Gbps server behind NAT: Can I help the tor network?

Reading Why isn't there any such option - middle-relay behind NAT? it seems there are (were?) no way to run a tor middle-relay if you are behind NAT and cannot control the firewall. Has that ...
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152 views

T-Shirt reward requirements

I am currently running a Tor relay (guard) to help the Tor network. After a while I realised that I can actually get an T-Shirt for running an relay more than two months. (link) Two questions about ...
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TOR browser - -ExcludeNodes doesn't work

Using Linux, at torrc. Format used: (at end file) ExcludeNodes {...},{...},{...},{...} ExcludeExitNodes {...},{...},{...},{...} Continues connecting to excluded country nodes. Know how to fix?
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296 views

TOR Hidden Service: IP anonymity

Suppose that a Tor client wants to access a certain hidden service. According to the protocol, instead of submitting a request directly to the server IP (which is hidden[1][2]), this client submit a ...

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