4 votes

How does Tor protect against flooding with artificially long circuits

The type of attack you are describing is a congestion attack. In theory, the simplest form of such an attack would be a general DoS on the Tor network. Taking things one step further, a congestion ...
Richard Horrocks's user avatar
4 votes
Accepted

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 ...
dummydev's user avatar
  • 323
3 votes

Calculating relay bandwidth/burst

Rather than setting a bandwidth/burst, consider enabling the bandwidth accounting: https://2019.www.torproject.org/docs/tor-manual.html.en#AccountingMax Limits the max number of bytes sent and ...
Steve's user avatar
  • 3,112
2 votes
Accepted

Tor relay bandwidth not corresponding

Atlas shows an average of actual bandwidth, i.e. what was actually used. It does not show the limits, because they are not published anywhere on Atlas: they're set just for reference of your very ...
Alexey Vesnin's user avatar
  • 5,900
2 votes
Accepted

Finding available bandwidth of a relay

Not really. You can know it's observed bandwidth, and what it's throughput has been seen to be but not "available" bandwidth. That would require knowledge of, for example, the upperbounds of ...
cacahuatl's user avatar
  • 10.9k
2 votes
Accepted

How to remove all bandwidth limits for Tor relay?

The configuration file torrc has an option AccountingMax. It is used to set the maximum number of bytes a relay can send and receive: AccountingMax N bytes|KBytes|MBytes|GBytes|KBits|MBits|...
Jens Kubieziel's user avatar
  • 8,561
2 votes

Why is my Tor bridge relay not getting any traffic?

Is your bridge being published as available on https://bridges.torproject.org/? If not, then theres a good chance that nobody know about it. You can also contact the Tor Bridges mailing list for ...
elmerjfudd's user avatar
  • 2,264
1 vote
Accepted

How can I get the right advertised bandwidth of a relay by looking at cached-microdesc-consensus file?

How can I pick up the advertised bandwidth of a Tor relay by looking at cached-microdesc-consensus file? You can't directly since this information is not contained in the microdescriptor. The ...
Steve's user avatar
  • 3,112
1 vote

Could there be a way to make the Tor network faster by paying money?

Yes. You will probably want to see these two blog posts: https://blog.torproject.org/two-incentive-designs-tor https://blog.torproject.org/tor-incentives-research-roundup-goldstar-par-braids-lira-...
HackerNCoder's user avatar
1 vote

Could there be a way to make the Tor network faster by paying money?

Indeed! run a node or two - and it will make the whole network a bit faster
Alexey Vesnin's user avatar
  • 5,900
1 vote
Accepted

Advertised Bandwidth 0 B/s: Why?

Well, seeing as your advertised bandwidth is now 16.44 MiB/s, this confirms what I had in mind. All you needed to do is wait a bit, I had this problem too. This might be because someone tested your ...
NeverMine17's user avatar
1 vote
Accepted

Fast/Slow relays in Tor

From the directory spec, the threshold is almost always 100 KB/s. A router is 'Fast' if it is active, and its bandwidth is either in the top 7/8ths for known active routers or at least 100KB/s. Yes ...
Steve's user avatar
  • 3,112
1 vote
Accepted

How does TOR divide bandwidth fairly between clients?

Tor doesn't use per-user prioritization because this is very difficult to do in an anonymity network. Instead each relay uses per-circuit prioritization. The main use-case for Tor is interactive web ...
Steve's user avatar
  • 3,112
1 vote
Accepted

How is a Tor relay's advertised bandwidth verified?

From: Top changes in Tor since the 2004 design paper (Part 2) Bandwidth Authorities Of course, once you choose nodes with unequal probability, you open the possibility of an attacker trying to see a ...
elmerjfudd's user avatar
  • 2,264
1 vote
Accepted

Tor Client limit bandwidth

You can find this in the manual... There are tons of different handlers against bandwidth, as client-node, the same as a relay-node... e.g. GENERAL OPTIONS BandwidthRate N bytes|KBytes|...
LouisArmstrongShowofTheWeek's user avatar
1 vote

No traffic on obfs4 bridge

I have the same problem. Did you restart tor or reboot your pi very often before you got all working and up for longer time? After i set up my bridge the first time i allways had 1-3 unique clients ...
Mark Luun's user avatar
1 vote

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

It's probably easiest to use systemd. Take a look at the service configuration file located at /lib/systemd/system/[email protected]. , '%i' is a placeholder which will be replaced with the name of the ...
Peter Gerber's user avatar
  • 1,342
1 vote

How to deal with DDOS attacks?

No tweaks you've mentioned in your question are necessery - leave them as it is: DOS point of attack here is not the webserver, but the tor instance itself: tor has a single-core crypto. So you need a ...
Alexey Vesnin's user avatar
  • 5,900
1 vote

Why is my measured bandwidth so low compared to actual -- is there a off by 1K issue?

Thanks for running a relay. (: Clients choose which relays to use based on their consensus weight. The consensus weight is assigned by the directory authorities after measuring the throughput for ...
skarz's user avatar
  • 155
1 vote

Calculation of bandwidth and measured-bandwidth for votes

The default directory authorities are located (as of version 0.2.8.0-alpha-dev (git-d015c70a118e4357)) in file or/config.c: /** List of default directory authorities */ static const char *...
Sebi's user avatar
  • 345
1 vote

How to increase the Advertised Bandwidth of Tor onion router (OR)?

Isn't this Advertised bandwidth value calculated by the Tor network instead of defined by your torrc config file? When i have setup new relay, https://metrics.torproject.org/rs.html shown "...
16851556's user avatar
  • 141

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