Re: [tor-talk] Surge in Users

2019-06-12 Thread iwanlegit
Yes. I cannot stop thinking that operators of DAs publish all past logs 
when they shutdown their DAs! :D

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Re: [tor-talk] Surge in Users

2019-06-12 Thread iwanlegit

I checked similar increases of relay users in other countries.


Iranian type:

United Arab Emirates
https://metrics.torproject.org/userstats-relay-country.html?start=2019-03-13=2019-06-11=ae=points

Romania
https://metrics.torproject.org/userstats-relay-country.html?start=2019-03-13=2019-06-11=ro=points

Iraq
https://metrics.torproject.org/userstats-relay-country.html?start=2019-03-13=2019-06-11=iq=points

Syrian Arab Republic
https://metrics.torproject.org/userstats-relay-country.html?start=2019-03-13=2019-06-11=sy=points


Russian type:

Kazakhstan
https://metrics.torproject.org/userstats-relay-country.html?start=2019-03-13=2019-06-11=kz=points
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Re: [tor-talk] Surge in Users

2019-06-12 Thread iwanlegit
Yes. It's odd that one in a hundred (1%) people is using Tor. I checked 
percentages of users/population in countries. They may be less than 
0.3%.


https://pastebin.com/nbbBhJ5h
Country  users population (users/population)
United States   379893329,351,255 (0.12%)
Russia  340244146,877,088 (0.23%)
Iran167544 82,520,788 (0.20%)
Germany 165168 82,979,100 (0.20%)
France  103279 66,998,000 (0.15%)
Indonesia93620268,074,600 (0.03%)
United Kingdom   70214 66,040,229 (0.11%)
Ukraine  68156 42,101,650 (0.16%)
India56620  1,348,295,550 (0.004%)
Netherlands  47914 17,323,928 (0.28%)

referenced:
https://metrics.torproject.org/userstats-relay-table.html
https://en.wikipedia.org/wiki/List_of_countries_and_dependencies_by_population_density
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Re: [tor-talk] Surge in Users

2019-06-12 Thread iwanlegit

Thanks for helpful comments and references!

I may have understood that there are:
- Research Safety Board
- AS number approach
- Nine (10?) individuals who run the directory authorities and are 
independent of the control of torproject

- Privcount approach
- Tor design: It doesn't hide using Tor. It hides what users do.

Tor developers are making efforts to protect privacy of users, I can 
understand it at least. In truth, I didn't worry about whether the 
directory authorities could do dangerously or not. I hope that operators 
of the directory authorities will provide analyses or thoughts about the 
rapid increase of relay users from their own viewpoints when they can.


BTW, I didn't expect that you -- who is an operator of one of the 
directory authorities, and who is an original developer of Tor -- would 
reply to my question. Great place here is! Is it free of charge for me 
to use this place? :D


Thanks,
Iwanlegit
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Re: [tor-talk] Surge in Users

2019-06-09 Thread Roger Dingledine
On Fri, Jun 07, 2019 at 01:01:38PM +, iwanle...@cock.li wrote:
> Can Directory Authorities analyze hostnames of relay users and publish them?

They could, but I don't think that would be a good idea, at least until
somebody has thought through how to do it in a safe way. As a start for
that thinking, I would point people to:
https://research.torproject.org/safetyboard/
But I think this would be a hard one to make properly safe.

> If the hostnames or organization names associated with the users are
> available, we could know what type of users are increasing, and probably we
> could guess why. In Iran and Russia, are the increases being made by
> individuals, companies, and/or governments? I want to know that.

In my experience, spot-checking these things in the distant past, the
hostnames and IP addresses don't tell me as much as I'd like. Maybe if
I were an expert in the network topology for these countries, I could
understand things better.

As another approach, learning the autonomous system (AS) number of
connecting users would be another way to measure diversity within the
country. I expect in some situations it would give too much precision
(too much granularity) for us to be comfortable publishing it though.

> https://metrics.torproject.org/reproducible-metrics.html#relay-users
> Directory Authorities (DAs) can see IP addresses of relay users and are
> reporting countries associated with the addresses for torproject.

Yep.

> So DAs may
> be under control of torproject.

No, the directory authorities are run by nine individuals who are part
of the Tor community but are not 'under the control of torproject'. They
make decisions on their own, and for most security choices a majority or
threshold of them need to decide on something before it becomes so.

> Can torproject let DAs report hostnames of
> the users?

No. We can ask, but they should push back unless the request comes with
a solid plan on how the measurements will be safe enough.

> Should rapid increases of the users be clear for Tor overall? I
> would like torproject to decide to do that!

Yeah, I would also like the world to figure out a way to do safer
measurements like this.

The Privcount approach seems like a useful building block here, because
it does network-wide aggregation and because it uses differential privacy
techniques to avoid publishing any counts that are too precise:
https://www.robgjansen.com/publications/privcount-ccs2016.pdf
https://trac.torproject.org/projects/tor/wiki/org/teams/NetworkTeam/PrivCountInTor
and if we had more developer time (aka more funding), we'd be able to
get there faster.

> But if torproject can let DAs report them, I won't be able to use Tor with
> security. Even now, can DAs collect our personal information including IP
> addresses and leak them in theory? :D

Careful there -- the Tor design doesn't try to prevent every person in
the world from learning that you're using Tor. It tries to prevent every
person in the world from being able to learn _what you do_ using Tor.

If you want to prevent the directory authorities from knowing your
location, you'll need to take some further step. But most of these
possible steps (use a bridge, use a pluggable transport, use a VPN)
just shift the ability to count you to some other point in the network.
So there is no magic answer, and it comes down to "it depends what you're
worried about more".

Hope that helps,
--Roger

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Re: [tor-talk] Surge in Users

2019-06-09 Thread Roger Dingledine
On Thu, Jun 06, 2019 at 01:21:09PM +0300, Van Gegel wrote:
> Take into account that statistics are number of unique user's IPs
>connected to bridges per day. My cellular provider change my local GPRS
>IP exactly every hour and my external IP also changed to random value of
>provider's pool. Each time IP was changed my Tor rebuild 3 new circuits
>to introduction points of mounted HS. So one mobile app with HS can
>generate 24*3 connecting events per day.

No, this is not right. Bridges and relays collect two kinds of aggregated
statistics -- total IP addresses they've seen over the time period,
and total consensus fetches they've seen over the time period.

Clients fetch a new consensus networkstatus document every couple of
hours, so you can get a count of the number of Tor clients that are
running, no matter how many different IP addresses they have, or how
many entry guards they use.

It's still not perfect, (a) because you'll overcount users like Tails
who don't keep state, if they reboot many times per hour, and (b)
because you'll undercount users who don't stay online for the whole
day, which is potentially a huge undercounting for countries like Iran
where a good chunk of users are using dialup or internet cafes or other
transient connections.

See also
https://gitweb.torproject.org/metrics-web.git/tree/src/main/resources/doc/users-q-and-a.txt
as linked from
https://metrics.torproject.org/userstats-relay-country.html
and there's lots more at
https://research.torproject.org/techreports/

And for that second category of undercounting, see this totally different
method for estimating the total number of Tor users, which at the time
estimated a much larger 8 million daily Tor users compared to the 2
million daily users that our older metrics approach estimated:
https://www.ohmygodel.com/publications/tor-usage-imc18.pdf

--Roger

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Re: [tor-talk] Surge in Users

2019-06-09 Thread entensaison

 
On Friday, June 7, 2019 at 3:01 PM, iwanle...@cock.li wrote:
 
Can Directory Authorities analyze hostnames of relay users and 
publish

them?

If the hostnames or organization names associated with the users are
available, we could know what type of users are increasing, and 
probably
we could guess why. In Iran and Russia, are the increases being made 
by

individuals, companies, and/or governments? I want to know that.

https://metrics.torproject.org/reproducible-metrics.html#relay-users
Directory Authorities (DAs) can see IP addresses of relay users and 
are
reporting countries associated with the addresses for torproject. So 
DAs

may be under control of torproject. Can torproject let DAs report
hostnames of the users? Should rapid increases of the users be clear 
for

Tor overall? I would like torproject to decide to do that!

But if torproject can let DAs report them, I won't be able to use Tor
with security. Even now, can DAs collect our personal information
including IP addresses and leak them in theory? :D
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Of course it is possible for Directory Authorities to collect the IPs 
of

connecting clients and publish them.
Yet they could only do it once because they
would lose the trust of their users for ever. ;)

So there have to be other ways to guess what type of new users
use the network.
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Re: [tor-talk] Surge in Users

2019-06-09 Thread iwanlegit
Can Directory Authorities analyze hostnames of relay users and publish 
them?


If the hostnames or organization names associated with the users are 
available, we could know what type of users are increasing, and probably 
we could guess why. In Iran and Russia, are the increases being made by 
individuals, companies, and/or governments? I want to know that.


https://metrics.torproject.org/reproducible-metrics.html#relay-users
Directory Authorities (DAs) can see IP addresses of relay users and are 
reporting countries associated with the addresses for torproject. So DAs 
may be under control of torproject. Can torproject let DAs report 
hostnames of the users? Should rapid increases of the users be clear for 
Tor overall? I would like torproject to decide to do that!


But if torproject can let DAs report them, I won't be able to use Tor 
with security. Even now, can DAs collect our personal information 
including IP addresses and leak them in theory? :D

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Re: [tor-talk] Surge in Users

2019-06-07 Thread Neel Chauhan
However, there can be multiple cell providers, each with their own IP 
allocation scheme. Your cell provider may be the dominant provider in a 
monopolistic market, or it may only have a fraction of the market if you 
have competition. In the latter scenario, most mobile Tor clients in 
your country may not change their IP very often if they aren't on the 
cell provider you described.


Even then, one could count as multiple users as well even if their IP is 
mostly static (e.g. sticky IP). For instance, my laptop goes between my 
work network and home, counting as two networks. I also have a 
smartphone which may change its IP based on Wi-Fi or LTE data, and a 
server running an onion service (to be decommissioned soon, nothing 
interesting however).


-Neel

===

https://www.neelc.org/

On 2019-06-06 06:21, Van Gegel wrote:

Take into account that statistics are number of unique user's IPs
connected to bridges per day. My cellular provider change my local
GPRS IP exactly every hour and my external IP also changed to random
value of provider's pool.  Each time IP was changed my Tor rebuild 3
new circuits to introduction points of mounted HS.  So one mobile app
with HS can  generate 24*3 connecting events  per day.

BR, Van.

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Re: [tor-talk] Surge in Users

2019-06-07 Thread Van Gegel
bo0od:
> no secure TLS or onion connection to the website, first insecurity note.

Now the web page is under construction and project is only alpha. Although I do 
not quite understand the role of https for real security. It is more reliable 
to sign all related products with a PGP key, and this will necessarily be done 
when a relatively stable version appears: PGP PKI seems much better then web 
sertificates with private keys placed on remote web servers. The illusion of 
security is even more harmful than lack. Onion, of course, is much better in 
all respects.

BR, Van.
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Re: [tor-talk] Surge in Users

2019-06-06 Thread Van Gegel
Take into account that statistics are number of unique user's IPs connected to 
bridges per day. My cellular provider change my local GPRS IP exactly every 
hour and my external IP also changed to random value of provider's pool.  Each 
time IP was changed my Tor rebuild 3 new circuits to introduction points of 
mounted HS.  So one mobile app with HS can  generate 24*3 connecting events  
per day.

BR, Van.

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Re: [tor-talk] Surge in Users

2019-06-06 Thread bo0od
no secure TLS or onion connection to the website, first insecurity note.

Van Gegel:
> Maybe after publication on popular Russian resource Habr: 
> https://habr.com/ru/post/448856/
> This is Android app for talking over Tor:
> http://torfone.org/download/Torfone.apk
> http://torfone.org/download/Torfone_Android_howto.pdf
> https://github.com/gegel/torfone
> https://github.com/gegel/torfone/blob/master/white.pdf 
> BR, Van Gegel
> 
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Re: [tor-talk] Surge in Users

2019-06-06 Thread Roman Mamedov
On Tue, 04 Jun 2019 19:14:12 +0300
Van Gegel  wrote:

> Maybe after publication on popular Russian resource Habr: 
> https://habr.com/ru/post/448856/
> This is Android app for talking over Tor:
> http://torfone.org/download/Torfone.apk
> http://torfone.org/download/Torfone_Android_howto.pdf
> https://github.com/gegel/torfone
> https://github.com/gegel/torfone/blob/master/white.pdf 
> BR, Van Gegel

Cool development, but it is unlikely to be the reason, the Habr article
currently has 28k views, and Russia's user count now fluctuates by 150k users,
following a strong correlation with workday schedule.
https://metrics.torproject.org/userstats-relay-country.html?start=2019-05-01=2019-06-10=ru=points
Extra 100 to 150 thousand users during Monday to Friday (May 13-17, 20-24,
27-31), then dropping during weekends. A massive botnet on office PCs?

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Roman
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Re: [tor-talk] Surge in Users

2019-06-06 Thread Van Gegel
Maybe after publication on popular Russian resource Habr: 
https://habr.com/ru/post/448856/
This is Android app for talking over Tor:
http://torfone.org/download/Torfone.apk
http://torfone.org/download/Torfone_Android_howto.pdf
https://github.com/gegel/torfone
https://github.com/gegel/torfone/blob/master/white.pdf 
BR, Van Gegel
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Re: [tor-talk] Surge in Users

2019-06-03 Thread Öyvind Saether
> Do you know why relay users have increased rapidly? What do you think?
> 
> The increase mostly came from Iran and Russia.
> 700K of the increase happend in Iran.
> https://metrics.torproject.org/userstats-relay-country.html?start=2019-03-04=2019-06-02=ir=points

Are those actually relay users? It doesn't look that way. That
hockey-stick graph simply does not look like organic growth. 

There's 82 million people in Iran which means that one in a hundred
people is now using Tor in Iran - according to that chart. That's
highly unlikely unless the state media announced explicitly told people
to use Tor time and time again. It seems much more likely that there is
something else going on. 
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