[tor-project] Anti-censorship meeting notes, 19 Nov 2020

Thu Nov 19 18:00:08 UTC 2020

Hey everyone!

Here are our meeting logs:

http://meetbot.debian.net/tor-meeting/2020/tor-meeting.2020-11-19-15.58.html

and the meeting pad:

Anti-censorship work meeting pad
--------------------------------

Next meeting: Thursday November 19th 16:00 UTC

Weekly meetings, every Thursday at 16:00 UTC, in #tor-meeting at OFTC
(channel is logged while meetings are in progress)

== Goal of this meeting ==

Weekly checkin about the status of anti-censorship work at Tor.
Coordinate collaboration between people/teams on anti-censorship at Tor.

== Links to Useful documents ==

    Our anti-censorship roadmap:

    Roadmap:
https://gitlab.torproject.org/groups/tpo/anti-censorship/-/boards

    The anti-censorship team's wiki page:

    https://gitlab.torproject.org/tpo/anti-censorship/team/-/wikis/home

    Past meeting notes can be found at:

    https://lists.torproject.org/pipermail/tor-project/

    Tickets that need reviews:  from sponsors we are working on:

    All needs review tickets:
https://gitlab.torproject.org/groups/tpo/anti-censorship/-/merge_requests?scope=all&utf8=%E2%9C%93&state=opened&assignee_id=None

    Sponsor 30

    https://gitlab.torproject.org/groups/tpo/-/milestones/4

    https://gitlab.torproject.org/groups/tpo/-/milestones/7

    https://gitlab.torproject.org/groups/tpo/-/milestones/5

    https://gitlab.torproject.org/groups/tpo/-/milestones/6

    Sponsor 28

    must-do tickets:
https://gitlab.torproject.org/groups/tpo/-/milestones/10

    possible tickets:
https://gitlab.torproject.org/groups/tpo/-/issues?scope=all&utf8=%E2%9C%93&state=opened&label_name%5b%5d=Sponsor%2028&milestone_title=None

    Anti-censorship related tickets that we want other teams to fix:

    https://pad.riseup.net/p/tor-anti-censorship-tickets-keep <-- it
will be moved into gitlab with TPO labels <-- do we still need this? The
label is 'for anticensorship team'

    Public bug-reporting pad:

    https://pad.riseup.net/p/tor-anti-censorship-bugs-keep

== Announcements ==

== Discussion ==

== Actions ==

== Interesting links ==

    "Detection of Tor traffic using deep learning"

https://146.227.160.144/bitstream/handle/2086/20415/AICCSA_2020_Final_Version_134.pdf

    Appears to only deal with vanilla Tor traffic.

== Reading group ==

    We will discuss "Poking a Hole in the Wall: Efficient
Censorship-Resistant Internet Communications by Parasitizing on WebRTC"
on Dec 3

    https://dl.acm.org/doi/pdf/10.1145/3372297.3417874

    Questions to ask and goals to have:

    What aspects of the paper are questionable?

    Are there immediate actions we can take based on this work?

    Are there long-term actions we can take based on this work?

    Is there future work that we want to call out, in hopes that others
will pick it up?

== Updates ==

Name:
    This week:
        - What you worked on this week.
    Next week:
        - What you are planning to work on next week.
    Help with:

         - Something you need help with.

phw:
  This week (2020-11-19):

    Made rdsys pool bridgestrap requests to minimise overhead.

    https://gitlab.torproject.org/tpo/anti-censorship/rdsys/-/issues/24

    Added field to bridgestrap's response, informing requester when a
bridge was last tested.

    https://gitlab.torproject.org/tpo/anti-censorship/bridgestrap/-/issues/6

    Finally merged bridgestrap improvement that uses SETCONF to test
bridges.

    https://gitlab.torproject.org/tpo/anti-censorship/bridgestrap/-/issues/3

    Made rdsys display a bridge status page.

    https://gitlab.torproject.org/tpo/anti-censorship/rdsys/-/issues/10

    Filed various sysadmin tickets to get bridgestrap deployed.

    https://gitlab.torproject.org/tpo/anti-censorship/bridgestrap/-/issues/5

    Started investigating why we see more timeouts when we test more
bridges.

    https://gitlab.torproject.org/tpo/anti-censorship/bridgestrap/-/issues/7

    Agreed to serve in TPC of NDSS DNS Privacy Workshop

    Started working on rdsys's design and architecture documentation.

    https://gitlab.torproject.org/tpo/anti-censorship/rdsys/-/issues/16

    Merged an improvement to our Debian bridge setup guide.

    https://gitlab.torproject.org/arma/community-tpo/-/merge_requests/3

  Next week:

    Reach out to a few folks to have emma run in different places.

    Deploy bridgestrap and rdsys, and expose bridge status page.

    Progress on Salmon.

  Help with:

cecylia (cohosh): last updated 2020-11-19
Last week:
    - opened and created a MR for snowflake#40021
    - more work on snowflake#40018
    - merged and deployed snowflake-webext!9
    - wrote up documentation of the NAT matching problem on the
snowflake wiki:
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/wikis/NAT-matching
    - wrote snowflake!19 to close snowflake#40022
    - Tor state of the onion
    - reviewed bridgestrap!2
This week:
    - Tor Browser patch for snowflake!19
    - continue to monitor snowflake stats
    - write a PR to merge additional features from snowflake#40018
    - follow up on progress towards a telegram bot for gettor
    - have broker inform proxies when to poll (snowflake#25598)
    - pick up snowflake multiplexing work again (snowflake#25723)
    - write probetest survival guide
Needs help with:
    - review of snowflake!18
    - review of snowflake!19 (i would really like to get this merged in
tor browser quickly)

juggy :
    This week:
        - Got very basic "suggested readings" list up and running here :
https://jugheadjones10.github.io/anti-censorship-reading/
    Next week:
        - Keep studying BridgeDB to write architectural overview
    Help with:
        - Open issues here
(https://github.com/jugheadjones10/anti-censorship-reading ) for
papers/resources/readings that you think might be useful for newcomers

arlolra: 2020-10-29

    Last week:

    -

    Next week:

    - getting back up to speed

    - follow ups to #33365

    - start on #31201

    Help with:

    -

dcf: 2020-11-19

    Last week:

    - archived snowflake-webextension-0.5.2

    Next week:

    - review NAT type reclassification
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/19

    Help with:

Antonela: 2020-08-27

    This week:

    - Wrapping Babatunde's research on the use of circumvention tools
during internet censorship in Africa. Wrapping Personas for s30 with it.

    For september:

    - We are planning interviews with users in China to run our bridges
discovery issues script in real time. We discussed to include TBA +
snowflake as a task for users to run over a week or two and report back.

    https://gitlab.torproject.org/tpo/ux/research/-/issues/4

    - I still have bridges.tpo to lektor issue open

    - More work on UX/UI for TB 10.0/10.5

    - Review Salmon related tickets (im late with it!)

agix:2020-11-19

    Last week:

    -Reviewed rdsys documentation

    Next week:

    -(Definitely!) Finish work on rdsys ticket (tpo/anti-censorship/rdsys!4)

    -Gather ideas for Pluggable Transports/HTTPT/Issues/#4

    Help with:

    -

hanneloresx: 2020-10-22

    Last week:

    - Took break to focus on work

    Next week:

    - #32117: Look at CAPTCHA success rate for users from the US across
different types of bridges

    Help with:

    -

thymbahutymba: 2020-04-02
    Last week:
        - CI/CD pipeline for multiarch docker images, which has a problem
          with the apt tor version even though the apt repository have been
          changed into the Dockerfile.
    Next week:
    Help with:

HashikD: 2020-11-19

    This week:

    -

    Next week:

    - Research on how to implement a STUN check on Android.

    Help with: -