Questions tagged [bandwidth]

The rate of data transfer. It may refer to both the rate what tor requires to function, and also the data rate of the embedded traffic.

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Can a Hidden Service track you the same way an exit node can?

imagine if the onion service decided to be the malicious exit node itself. It’s not (Exit node) but could it travel back through its relays (possibly even skip) to the rendezvous point that track you ...
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One domain for multiple self-hosted services VS a single domain per service?

After generating a self-signed SSL certificate for a self-hosted Dash app, and verifying that it is accessible over tor, I intend to include self-hosted GitLab and Nextcloud over https. Hence, I was ...
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How can I get the right advertised bandwidth of a relay by looking at cached-microdesc-consensus file?

Let's take a random Tor relay: privater Tor Metrics says that it has a speed of 30 MiB/s: https://metrics.torproject.org/rs.html#details/57A295377F3167AD554B521F4615184943C39CE1 Looking this relay ...
6 votes
2 answers
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What's a good RelayBandwidthRate?

I know the minimum required rate is 20KB, and the minimum rate to be considered "fast" is around 100KB, but even the "fast" rate seems incredibly slow to me, compared to the average download speed of ...
1 vote
2 answers
530 views

Tor network used a little bit of my relay bandwidth. Why?

I have a Tor exit relay for about 6 months and assign 1600 KBps for RelayBandwidthRate. Until a week ago, used bandwidth on my relay was equal to 600-700 KBps. But in this last 6 days, used bandwidth ...
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179 views

Are the Bandwidth authorities and the Directory Authorities the same servers?

Are the Bandwidth authorities and the Directory Authorities the same servers? do the same people run both? or am i posing the wrong question, is reporting on bandwidth a job that the Directory ...
5 votes
1 answer
282 views

Wrong average bandwidth stats in arm?

See screenshot below. Arm seems to calculate a wrong average: "avg: 2.3 MB/sec". I haven't been close to 2.3 MegaByte/sec; not even as peek. That's my relay: https://atlas.torproject.org/#...
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Details about Tor's Packaging Window and Delivery Window

I have learned Tor's congestion control policy from the paper: Tor:The Second-Generation Onion Router. But I don't understand Tor's Packaging Window and Delivery Window. The paper said: "The ...
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2 answers
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Could there be a way to make the Tor network faster by paying money?

Suppose someone has a lot of monero (or some other sufficiently private currency) and they want to have highest possible data throughput while maintaining anonymity. Has anyone researched protocols ...
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1 answer
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Advertised Bandwidth 0 B/s: Why?

My 7 year old relay was down for a week. In torrc I have: RelayBandwidthRate 180 MBytes RelayBandwidthBurst 200 MBytes But even so I get: Advertised Bandwidth 0 B/s in https://metrics.torproject.org/...
7 votes
3 answers
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How to increase the Advertised Bandwidth of Tor onion router (OR)?

I am operating Tor relay as an exit on 10 MegaBytes/s speed network. But when checking from http://atlas.torproject.org, it shows only 700KBps Advertised Bandwidth. How to increase this bandwidth?
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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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How does TOR divide bandwidth fairly between clients?

Is there some sort of limitation/throttling logic at all? And if so, is it based on the tor client instance, connection or IP address? What if I download a file over HTTP and download the first half ...
7 votes
2 answers
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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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Automated script for selecting fast TOR circuit?

I noticed a significant variance in bandwidth with different TOR circuits. Some are fast enough for streaming HD videos, while others take ages just loading web pages unless Javascript is deactivated. ...
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Higher probability that nodes with higher bandwidth are selected for circuit

In the course of my master thesis I am currently trying to rebuild a simplified version of the selection algorithm from Tor. During my research, I found the following selection algorithm in some ...
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1 answer
708 views

Calculating relay bandwidth/burst

I am allowed 3646 GB of transfer in a month on my droplet, and the droplet is at 3746 which means I have to pay an 'overage' besides the cost of each droplet (2). torrc: Current bandwidth is at 100 ...
6 votes
1 answer
468 views

Is it possible to team multiple circuits in the current Tor network?

The client-selected paths that carry traffic through the Tor relay network are called circuits. Tor clients switch circuits at ten minute intervals for better anonymity. However, latency and bandwidth ...
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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]. ...
3 votes
1 answer
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Tor Client limit bandwidth

Is there any way to limit the bandwidth used by Tor as a client? I use Tor as a client and I want to limit the bandwidth used by Tor without any additional application. Is that possible?
2 votes
1 answer
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Why is my Tor bridge relay not getting any traffic?

I used to run a Tor bridge on Windows at home, where I have a 300/150 Mbps ISP. This Windows has memory leak and crashes after some hours, ad I believe that was making my bridge never get traffic. A ...
4 votes
1 answer
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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 ...
4 votes
2 answers
247 views

Tor hidden service bandwith question

I have a newbie question here. When you setup a Tor hidden service do you yourself use up bandwidth on your network or does is the traffic attributed to the relay?
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1 answer
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Is it possible to use tc (traffic control) in linux to limit the upload speed?

Is it possible (and not compromising to anonymity in a noticeable way) to use tc (traffic control) in linux to limit the upload speed into Tor (and not limit the download speed)?
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Is there a way to change the relay BandwidthRate and -Burst options during the night? [duplicate]

I'm operating a tor (guard) relay and I have currently, as per the manual, capped the bandwidth rate and bandwidth burst to allow me to also use my internet connection without any notable performance ...
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Tor benchmark resources

Are there any freely available resources for, or papers regarding Tor benchmarks? I am specifically looking for things such as average number of circuit creation operations that a single onion-router ...
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No traffic on obfs4 bridge

I am running an obfs4 bridge on my raspberry pi since 10 days now and haven't seen a single client since then. My torrc looks like this: RunAsDaemon 1 ORPort 9001 ExitRelay 0 BridgeRelay 1 ...
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1 answer
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How to deal with DDOS attacks?

This post was not helpful: How to protect a hidden service against DDOS attack? My onion keeps getting hit with denial of service attacks. Is there anything I can do to minimize the effects? POST ...
2 votes
1 answer
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How to remove all bandwidth limits for Tor relay?

How to remove all bandwidth limits for Tor relay? Is there some kind of an torrc option to do that? P.S. What I'm trying to do is to give tor relay as much traffic and resource power as I could. ...
1 vote
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Why is my middle relay not picking up much traffic?

I have been running a middle relay on a Linode VPS for many months now (atlas report). My only bandwidth-relevant torrc setting is AccountingMax, set to 2 TB. The available bandwidth advertised by ...
1 vote
1 answer
340 views

Looking for up to date tutorial on running multiple tor exit nodes on one machine

I have: Debian 8 two IPs on the Linux machine What would be the best way to run multiple tor (exit-)server instances on this machine? I guess I have to define multiple torrc files and also have an ...
2 votes
0 answers
635 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,...
1 vote
1 answer
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Tor relay bandwidth not corresponding

i've recently started a new relay for support purpose, but in the torrc file i've added this lines: BandwidthRate 60 MBytes BandwidthBurst 60 MBytes But on ATLAS it seems to remain on 250 KB, why my ...
2 votes
2 answers
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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 ...
4 votes
1 answer
951 views

What does the heartbeat line in my torrc mean?

I know that the Tor logs are in /var/log/tor. I have a question as to what one of the lines in the log means though. I see something along these lines: Heartbeat: Tor's uptime is 4 days 18:00 hours, ...
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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 ...
6 votes
1 answer
230 views

Calculation of bandwidth and measured-bandwidth for votes

In the consensus files there are bandwidth specifications for every router. This (consensus) data originates from the directory authorities votes, which contain a bandwidth as well as measured ...
3 votes
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Exit Relay Bandwidth Data not showing on Tor Globe or Atlas [closed]

I recently set up a Tor exit relay on Ubuntu 14.04.2 LTS server, using a VPS. It's running fine, with an average throughput of about 1 MB/s, and shows up OK on Tor Atlas and Tor Globe. To try to ...
1 vote
1 answer
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Colours on bandwidth bar in Tor Network Status

I see there are exit nodes listed at http://torstatus.blutmagie.de/, but there are some colours on the Bandwidth bars (green/pink, black). What do they represent? Do they represent how much of the ...
5 votes
2 answers
427 views

How does Tor protect against flooding with artificially long circuits

Since the path and the length of a circuit can be chosen by a modified client an attacker could make it arbitrarily long and thus multiply the the impact of his traffic on the network by the amount of ...
3 votes
1 answer
201 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 ...
3 votes
1 answer
334 views

Accurately measuring bandwidth

I am working on a tor project that deals with relays' bandwidths. Recently, I have spoken to a relay operator who divulged that the observed bandwidth of one of the relays was faked. The data was ...
4 votes
1 answer
332 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 ...
3 votes
1 answer
310 views

Arm for Tor Relay Bandwidth Descrepancies

I'm running a Tor Relay on a Raspberry Pi running Raspbian. I installed Arm as to monitor bandwidth. The line that says "Bandwidth (limit: 800.0 Kb/s, burst: 1.5 Mb/s, measured 160 b/s)" claims my ...
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why is the weight for guards in exit position equal to weight of both guard ans exit flagged nodes for exit position?

Why is the weight factor Weg set equal to Wed in tor code (in file dirvote.c)? How does it still result in correct probabilities?
3 votes
1 answer
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Qualities of a good relay (besides the obvious)

I’m currently working on Roster, a tor project that aims to reward relay operators with good relays. Besides the obvious requirements of a good relay (e.g. speed, geo-diversity, constant uptime), ...
2 votes
3 answers
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Why my relay is so slow?

I have a connection of 100mb/s and its going too slow, just look here: https://globe.torproject.org/#/search/query=A11BAE8F2676FF78727EE74949836E495D801D90 The relay is located in a OVH VPS How can ...
1 vote
2 answers
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If there was multicore support, what limit is there to hidden service or relay bandwidth?

If there was multicore support, what limit is there to hidden service or relay bandwidth? Given that a single cloudflare server supports at least six gigabits of bandwidth (although it's likely ...
3 votes
1 answer
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Relay bandwidth reporting frequency

I've been running a middle relay on a Raspberry Pi for some time now. Recently, I switched out my first generation Pi for a 2nd generation model B. I installed Tor on the new Pi and moved the keys ...