[tor-project] Anti-censorship meeting notes, 03 Dec, 2020

Cecylia Bocovich cohosh at torproject.org
Thu Dec 3 17:39:42 UTC 2020


Hey everyone,

Here is our meeting log:

http://meetbot.debian.net/tor-meeting/2020/tor-meeting.2020-12-03-15.59.html

And our meeting pad:

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

Next meeting: Thursday December 3rd 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 ==

    https://bridges.torproject.org/status?id=FINGERPRINT now online

    Tor bridges will log this URL to help operators figure out if their
bridge works.

    Currently only works for obfs2, obfs3, obfs4, and scramblesuit; not
vanilla.


== Discussion ==



== Actions ==

    Take a look at our monthly report and add/modify content as you see fit:

    https://pad.riseup.net/p/U4o0LNYPgm7SCxuF-1Sm


== Interesting links ==



== 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 (2020-12-03):

    Made it possible to look up resource status by hashed fingerprint.

    https://gitlab.torproject.org/tpo/anti-censorship/rdsys/-/issues/28

    Brainstormed ways to stream bridge updates to polyanthum.

    https://gitlab.torproject.org/tpo/anti-censorship/bridgestrap/-/issues/9

    Deployed Prometheus metrics for bridgestrap. They are publicly
accessible:

    https://bridges.torproject.org/bridgestrap-metrics

    https://gitlab.torproject.org/tpo/anti-censorship/bridgestrap/-/issues/4

    Wrote a patch that makes Snowflake's broker order its snowflake-ips
metrics by value.


https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40011

    Made rdsys's supported resources configurable.

    https://gitlab.torproject.org/tpo/anti-censorship/rdsys/-/issues/29

    Improved bridgestrap's metrics to make them more in line with what
Prometheus recommends.


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

    Wrapped up bridgestrap deployment.


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

    Wrote November 2020 report.

    Started implementing metrics for rdsys.

    https://gitlab.torproject.org/tpo/anti-censorship/rdsys/-/issues/14

  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:


https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40011


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


cecylia (cohosh): last updated 2020-12-03
Last week:
    - created tor-browser-build!129
    - reviewed snowflake-mobile!16
    - reviewed bridgestrap!3
    - created snowflake#40023 and a fix snowflake!20
    - created snowflake!21 for snowflake#40018
    - did some work on multiplexing (snowflake#25723)
    - worked on avoiding double delays (snowflake#34080)
    - wrote probetest installation and survival guides:

https://gitlab.torproject.org/tpo/anti-censorship/team/-/wikis/Survival-Guides/Snowflake-Probetest-Installation-Guide

https://gitlab.torproject.org/tpo/anti-censorship/team/-/wikis/Survival-Guides/Snowflake-Probetest-Survival-Guide
    - sponsor 28 meetings
This week:
    - continue to monitor snowflake stats
    - Figure out why we still have unknown proxies
    - follow up on progress towards a telegram bot for gettor
    - have broker inform proxies when to poll (snowflake#25598)
    - Finish work on avoiding double delays (snowflake#34080)
    - Continue snowflake multiplexing work (snowflake#25723)
    - Review snowflake!22
Needs help with:
    - review of snowflake!21

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: 2020-12-03

    Last week:

    - archived snowflake-webextension-0.5.2

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

    - reviewed Snowflake client loop restructuring
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/18

    Next week:

    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:2020-12-03

    Last week:

    -Gathered ideas for httpt issue #4

    -Dug deeper into Go (found some nice resources)

    -Read this weeks paper

    Next week:

    -Find new rdsys ticket

    Help with:

    -Review of
https://gitlab.torproject.org/tpo/anti-censorship/rdsys/-/issues/5

    -(Optional) Some feedback on
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/httpt/-/issues/4


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: -


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