Questions tagged [relays]

Questions relating to relays, their maintenance, and operation.

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Problem with Incoming ORPort via SSH Tunnel

I'm currently running a tor relay daemon with 2 servers: Local server: Private IP, main machine, local network shared with my neighbors, IPv6 reachable only Cloud server: Public IP, very low spec, ...
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How do I use one and only node?

I'm looking forward to using Tor like a VPN. I learned about EntryNodes, ExitNodes, and MiddleNodes and how to set the country code for each and setting StrictNode 1 or something. When I set all these ...
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ISP frequently clears internet connection and knocks out relay circuits

reading fritzbox log, it shows a nightly scheduled ip re-establishment. This is due to anticipated disconnect from ISP side in immediate future. The relay node is knocked off circuits and all need ...
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Does running a tor bridge from the same public IP as a relay before make such bridge prone to censorship?

My ISP changes my public IP about once a year. I used to run a public middle relay for a couple of weeks, and then I changed my mind and decided to operate a bridge. Let us assume that my adversary ...
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Does Tor still maintain a list of all relays?

I know that few years ago (2015 and 2017), there was a centralized list of all Tor Relays. Is this still the case? Or is there some decentralization of the nodes?
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How can i change my ip addres

I tried: new circuit, new identity, set "ExitNodes {US}" and restart tor my ip address always remains the same.
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Tor stuck on "Bootstrapped 10%" on macOS

I’m experiencing a problem with tor on macOs. I installed tor with $ brew install tor. When I launch it with $ /usr/local/opt/tor/bin/tor I get stuck at 10%, e.g., Oct 06 16:20:18.299 [notice] Tor ...
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understanding tor cell structure

I am looking to create my own version of TOR, and to do that I need to understand the way that relay, directory servers and clients communicate. but after reading Tor: The Second-Generation Onion ...
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How do clients find what nodes to connect when connecting to a .onion link

I never seen a full explanation of how the server connects to these "introduction" nodes to the client, I understand the idea of the tor path ending with the exit node that's then resent ...
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Will Tor automatically detect when my IP address changes when running a relay?

I have an IP address that changes roughly every 24 hours. About two out of three times, I’ve seen Tor detect that my IP address changed; but the last time it didn’t work and I had to restart the relay ...
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Tor comunicating to other IPs beside my guard node, should it happen?

Running netstat and analyzing my established connections I noticed sometimes tor talks to other IPs that aren't my guard node. I'm not sure if this is supposed to happen because I very very new to ...
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What's the difference between 'secret_id_key' and 'ed25519_master_id_key'?

I'm running a TOR relay and I'm confused with the node identity keys. The secret_id_key is the identity key that was used in version 2, but now the ed25519_master_id_key is used for version 3? Thanks.
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How can an external observer detect if a malicious relay does excessive logging?

In the entry "Criteria for rejecting bad relays" on the Network Health Team's wiki I found an interesting bullet point: Malicious relays … Excessive logging (over notice) during normal ...
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Can a Tor relay run on MacOS?

I have a powerful computer and a fast internet connection. I'd like to support the Tor network by operating a relay. I've seen that there are relay packages and instructions for various versions of ...
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Where in the codebase does Tor detect outages?

It seems clear to me that Tor has some facility for discovering when connectivity within a circuit is lost. I'd like to find that point and add a log_debug into it, as the current Tor logging does ...
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How can I find the IPs of introduction points for a hidden service?

I was wondering if it is possible to find the IPs of introduction points used by a hidden service. Specifically I was looking at facebook's hidden service.
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Any tor users who are looking to run relays on Windows?

So this is a tool I made which allows easy operation of tor relays on Windows. Made for people who have Windows but want to run relay without pain of Linux VM. Features: Auto installs tor and keeps up ...
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TOR relay and DS-Lite, no public IPv4, tunnel workaround?

I wonder if anyone here has tried this before and maybe could give me some advice. My internet connection at home is dual stack lite so I don't have a public IPv4 address and therefore can't setup a ...
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Tor hiden service ratelimits

While we are building a denial of service protection using and onionbalance for our HSv3 resources was discovered an interesting thing: during testing with simulated DDoS (launched 1000 tor client ...
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Fast/Slow relays in Tor

How does Tor classify fast/slow relays (as in what is the bandwidth bar)? Is the Tor Path Selection protocol biased towards selecting fast relays for circuit construction? (The answer here How does a ...
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Advertised bandwidth rising but consensus weight falling?

I am a new non-exit relay operator, currently running TOR v4.5.4 rc on a RaspberryPi 3B+, on a FTTH connection. My relay is https://metrics.torproject.org/rs.html#details/...
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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