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16 votes

First node always the same! Is that how it's supposed to work?

Tor is supposed to work in this way. Former versions of Tor built a complete new circuit every time. However some researcher found out that a so-called service location attack is possible. So the Tor ...
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8 votes

What are good explanations for relay flags?

There's a good break-down of most of these at https://github.com/torproject/torspec/blob/master/dir-spec.txt It doesn't cover your full list, but the ones it does cover are very clearly explained: ...
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7 votes
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Is it possible to setup a private TOR relay

I would think a bridge could be considered a private relay. You can even setup the bridge so it is not broadcast to the bridge authority. In that setup you would be the only person able to give out ...
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  • 283
6 votes
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Are slow relays useful for the network?

Every relay is important for the diversity of the network. The anonymity is the direct result of diversity of the network. Diversity of number of relays, diversity of number users, diversity of nature ...
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  • 3,236
6 votes

What's a good RelayBandwidthRate?

There's basically always a shortage of bandwidth in the Tor network, so every amount of Bandwidth you can donate helps. Additionally, your relay usually serves more than one circuit at a time, so any ...
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6 votes
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What's a good RelayBandwidthRate?

The Tor Project now recommends at least 250 kilobytes/second each way to keep the level of service at least somewhat sane for users. Providing less bandwidth than that is actually a net drain on ...
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  • 2,209
6 votes
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How do I manually setup a relay on OS X?

Manually configuring a Tor Relay on OS X (Yosemite, Tor 0.2.5.11) This guide walks you through the process of configuring your very own tor relay explaining each step along the way. It's targeted for ...
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5 votes

Could the number of hops picked in a circuit be chosen randomly in each circuit?

hiprivet provided a solution by changing the source code of Tor. The question, if it is possible to extent the circuit length, was asked before and this answer is still valid. So take a minute before ...
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  • 8,663
5 votes
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Why does directory mirroring get disabled when AccountingMax is on?

A directory mirror that has an max accounting set is simply not best practice. So a directory mirror has to be reliable and always on to be useful. Another reason is that if you set an AccountingMax ...
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5 votes
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Low power self-maintaining Tor relay

Raspberry Pi is good for this. Add the repository, install Tor and configure. You can clone the memory-card and put it in a new one for easy setup of multiple Raspberry Pi's. For updates just make ...
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  • 1,863
5 votes
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How is data sent back from exit node to me?

This is a common question that everyone stumbles upon while understanding TOR Design. When the data is sent back to the user, each relay encrypts the data using the session key which was exchanged ...
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  • 225
5 votes
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Tor dying on Raspberry Pi (circuit creation storm, out of memory)

Linostar's answer is on the right track, but missed the Tor version you specified. You should update to at least the 0.2.5.x series for Tor to try and detect out of memory situations and handle them ...
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  • 2,209
5 votes
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What does the heartbeat line in my torrc mean?

Those logs mean that you have transmitted 159 GB and received 157 GB as a total during the 5 days, which means you have sent only 31 GB in the period between the 2 log messages.
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  • 1,195
5 votes
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How do I get a list of tor relays?

Most likely by using the Onionoo API, as used by tools like Atlas.
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5 votes
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How to shut down a Tor relay

The default systemd/upstart script should handle a shutdown properly. The only thing that special about a relay shutdown is that there is a grace period of 30 secs to avoid tearing down short-lived ...
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  • 1,342
4 votes

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

I'll give it a try: BandwidthBurst: The maximum bandwidth of short spikes in network traffic. While Tor tries to use BandwidthRate on average, it may use this value for short bursts. It was advised ...
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  • 8,663
4 votes
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How can I verify my relay is working?

The exiting cleanly sounds like you or something else is closing Tor. Can you check whether the process is still running? Can it be that you run the Tor command in foreground (seeing all the output) ...
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  • 1,182
4 votes

Are slow relays useful for the network?

No, a very slow (whatever that means) relay would not help. No traffic is directed to a relay below a certain bandwidth threshold. Any adversary can disregard all nodes below that threshold when ...
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4 votes

First node always the same! Is that how it's supposed to work?

This is the normal behaviour for entry guards. The Tor FAQ explains why we'd want to do this: ... But profiling is, for most users, as bad as being traced all the time: they want to do ...
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4 votes
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What would happen if I'm the last node (or relay) of a highly illegal activity?

Obligatory disclaimer: I'm not a lawyer and this should not be considered legal advise. Tor usage may or may not be illegal depending on your jurisdiction. In the United States Tor is not illegal, ...
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  • 3,730
4 votes

On Dec 26 2014 the number of relays have increased from 6700 range to 10000 range overnight. What is going on?

This is an ongoing attack on the Tor network. A group has established ~3000 relays (and growing), ~50% of network nodes (note, network nodes, not network capacity for which I don't have a decent ...
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  • 3,730
4 votes
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Relay bandwidth reporting frequency

Newer versions of Tor don't report data as accurately anymore, but globe hasn't been updated yet to deal with that. It's nothing to be concerned about. The change was introduced in 0.2.5.11 with the ...
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  • 2,209
4 votes

How can I run a relay on Windows?

The Tor Project Documentation has a page on Configuring a Tor relay. They point out that "since Vidalia (a graphical interface for Tor) is no longer included in Tor Browser, there are currently no ...
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  • 2,890
4 votes
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Nodes from Japan showing up as from Netherlands?

IP geolocation is generally not an exact science, and similar anomalies have been discussed before: Why does hard coded node 'Faravahar' have a different geolocation (USA) than registrar (...
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4 votes
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What is the most appropriate kind of hardware to run a Tor relay on?

TL;DR: Tor does not make much use of more than one core, two cores (or one hyperthreaded core) per process is best a maximum of two Tor processes may register from a single IP, so a CPU with 4 cores ...
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  • 323
4 votes
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Setting up non-exit Tor relay on Linux Debian Stretch

This sounds like a general monitoring question. To figure out if everything is running smoothly you should take a look at the tor log: tail -f /var/log/tor/log If Tor is succesfully running as a ...
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4 votes
Accepted

Atlas and Globe shows my country not

With Atlas you can use the search term country:at to see only relays from Austria. However if there are more than 40 results Atlas won't show you any results. So you need to refine your search. ...
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  • 8,663
4 votes

What is the point of a relay family?

"Why would I want to set this field?" Because you're a good relay operator and therefor you don't "know" your relays are "clean" with certainty [sufficiently advanced ...
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