[tor-project] Anti-censorship meeting notes, 2021 July 29

[Cecylia Bocovich]

Hi everyone,

Here are our meeting logs:

http://meetbot.debian.net/tor-meeting/2021/tor-meeting.2021-07-29-16.00.html

and the our meeting pad:

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

Next meeting: Thursday July 29th 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.


== Announcements ==

    Job opening on the anti-censorship team:
https://www.torproject.org/about/jobs/software-developer-anticensorship-2/
\o/


== Discussion ==

    snowflake rendezvous now uses fastly rather than azure
(tpo/anti-censorship/pluggable-transports/snowflake!33); why are there
still charges accruing for azure?


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

    it's possible that orbot or some other snowflake users are still
configured with azure

    just checked and orbot uses fastly

    https://gitlab.torproject.org/dcf/snowflake/-/pipelines/9956 is a
failed pipeline; is it a known bug?

    yes,
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40046


== Actions ==



== Interesting links ==



== Reading group ==

    We will discuss "" on


    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.


cecylia (cohosh): last updated 2021-07-29
Last week:
    - filed a shadow issue for syscalls needed by Go
        - https://github.com/shadow/shadow/issues/1540
    - updated snowflake!48
    - took a look at the masque specifications
        - https://datatracker.ietf.org/doc/draft-ietf-masque-connect-udp/
    - debugged issues with snowflake badge (snowflake-webext#28)
    - hiring committee tasks
    - s28 scrimmage this week
    - looked at Tor reachability in Iran
This week:
    - more work on snowflake documentation (snowflake#40031)
    - help the browser team with tor's autoconnect feature
    - reviews
        - snowflake!50
        - rdsys!11
        - snowflake!52
Needs help with:
    - review of snowflake-webext!20


dcf: 2021-07-29

    Last week:

    - wrote more documentation for snowflake AMP cache feature
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/50

    - made sample Tor Browser builds using AMP cache
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/50#note_2745318

    - made a merge request to remove the unused uniuri dependency from
Tor Browser
https://gitlab.torproject.org/tpo/applications/tor-browser-build/-/merge_requests/322

    Next week:

    Help with:

    - review of snowflake AMP cache rendezvous (no rush)
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/50


maxb: 2021-07-15

    Last week:

    - Opened
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40054
re: utls for broker negotiation

    - Worked on github.com/max-b/nat-testing for
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/25595


    - Added a snowflake-proxy-no-nat and a snowflake-client-no-nat to
help with debugging

    - Successfully making connections from snowflake-client and
snoflake-client-no-nat through the snowflake-proxy-no-nat, but not
having any success with the snowflake-proxy (with nat).

    - Added a local dockerized STUN server

    Next week:

    - Use wireshark to figure out the difference between successful
snowflake-proxy-no-nat and unsuccessful snowflake-proxy-nat

    - Work on implementing different NAT types, particularly in a way
that's conducive to automatic testing

    - Add testing wrapper w/ "pass/fail" conditions


meskio: 2021-07-22

    Last week:

    - submit the "final" gettor rdsys integration (rdsys!11 rdsys#32)

    - report number of clients on the snowflake webextension
(snowflake-webext!19)

    - Wait pollInterval in snowflake between proxy offers
(snowflake#40055 snowflake!51)

    - link anti-censorship doc from the TPA wiki (team#4)

    - review snowflake README clean ups (snowflake!49)

    - looking up at issues with bridgestrap tests and CollecTor
(bridgestrap#20)

    - fixes in mutex usage in bridgestrap collector metrics (bridgestrap!10)

    Next week:

    - AFK for the next 3 weeks

    Help with:

    -