[tor-project] Anti-censorship team meeting notes, 2022-06-02

Hey everyone!

Here are our meeting logs:

http://meetbot.debian.net/tor-meeting/2022/tor-meeting.2022-05-26-16.00.html

And our meeting pad:

Anti-censorship work meeting pad

···

--------------------------------

Next meeting: Thursday June 9nd 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 check-in 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: Development · Boards · Anti-censorship · GitLab
  * The anti-censorship team's wiki page:
    * Home · Wiki · The Tor Project / Anti-censorship / Team · GitLab
  * Past meeting notes can be found at:
    * The tor-project Archives
  * Tickets that need reviews: from sponsors we are working on:
    * All needs review tickets: Merge requests · Anti-censorship · GitLab
    * Sponsor 28
      * must-do tickets: Sponsor 28: Reliable Anonymous Communication Evading Censors and Repressors (RACECAR) · The Tor Project · GitLab
      * possible tickets: Issues · The Tor Project · GitLab
    * Sponsor 96
      * Sponsor 96: Rapid Expansion of Access to the Uncensored Internet through Tor in China, Hong Kong, & Tibet · The Tor Project · GitLab

== Announcements ==

  * anti-censorship irc channel: #tor-anticensorship @ irc.oftc.net

== Discussion ==

Endless loop on the latest snowflake:
  Tor NOTICE: Managed proxy "TorBrowser\Tor\PluggableTransports\snowflake-client.exe": broker failure timed out waiting for answer!
  Tor NOTICE: Managed proxy "TorBrowser\Tor\PluggableTransports\snowflake-client.exe": connection failed timeout waiting for DataChannel.OnOpen

  * Implement metrics to measure snowflake churn (Implement metrics to measure snowflake churn (#34075) · Issues · The Tor Project / Anti-censorship / Pluggable Transports / Snowflake · GitLab) is now under review. Comments are welcome (Support Distinct IP Counting (!95) · Merge requests · The Tor Project / Anti-censorship / Pluggable Transports / Snowflake · GitLab)
    * count disctinct proxy ips, to see how fast they change

  * enforce 2FA in gitlab
    * all accounts with group commit access have 2FA in gitlab already :slight_smile:

== Actions ==

  *

== Interesting links ==

== Reading group ==

  * We will discuss "Even Censors Have a Backup: Examining China's Double HTTPS Censorship Middleboxes" on June 23
    * https://dl.acm.org/doi/10.1145/3473604.3474559
    * 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 2022-06-02
Last week:
    - updated gitlab CI to include go v1.18 (snowflake#40144)
    - Remove redundant NAT check at standalone proxy startup (snowflake#40146)
    - resolved snowflake#40145
    - reviews
This week:
    - continued work on conjure PT
    - continue snowflake maintenance tasks
Needs help with:

dcf: 2022-06-02
  Last week:
    - set up access to snowflake-02 bridge site for shelikhoo Set up a second snowflake bridge site (#40122) · Issues · The Tor Project / Anti-censorship / Pluggable Transports / Snowflake · GitLab
    - posted about other DTLS fingerprints that are being filtered in Russia IRC Tip about Signature used to block Snowflake in Russia, 2022-May-16 (#40030) · Issues · The Tor Project / Anti-censorship / censorship-analysis · GitLab
  Next week:
    - look at STATUS VERSION proposal Add STATUS VERSION message for PT protcol (!63) · Merge requests · The Tor Project / Core / Tor Specifications · GitLab
  Help with:

meskio: 2022-06-02
  Last week:
      - use systemd to run bridgedb (team#72)
      - update debian package for snowflake (snowflake#40143)
      - don't use entropy in snowflake tests (snowflake!96)
      - contact cymru about their builtin bridges, as they have an old version of obfs4proxy
  Next week:
      - start working on gettor (rdsys#105)
      
Shelikhoo: 2022-05-26
   Last Week:
     - [Merge Request] Add Distributed Snowflake Server Support (snowflake!87)
     - [Merge Request] Distributed Snowflake Bridges (Javascript ver.) (snowflake-webext!29)
     - [Merge Request] Implement metrics to measure snowflake churn (Implement metrics to measure snowflake churn (#34075) · Issues · The Tor Project / Anti-censorship / Pluggable Transports / Snowflake · GitLab) (snowflake!95)
    - [Merge Request Awaiting] Add SOCKS5 forward proxy support to snowflake (snowflake!64)
    - [Discussion & Deployment] Migrating Controlling git repo to Tor Gitlab Instance (shelikhoo/LogCollectorAncillary#5) <- awaiting/blocked
   Next Week:
      - [Coding] Distributed Snowflake Bridges (continue)
      - [Coding & Deployment] Proposal: Centralized Probe Result Collector (anti-censorship/team#54)
      - [Research & Coding] WebSocket + CDN Based Probe Control Connection Forwarder (shelikhoo/LogCollectorAncillary#3)
      - [Merge Request] Implement metrics to measure snowflake churn (Implement metrics to measure snowflake churn (#34075) · Issues · The Tor Project / Anti-censorship / Pluggable Transports / Snowflake · GitLab)
     - [Research & Discussion] HTTPT & V2Ray related

Itchy Onion: 2022-06-02
    Last week:
        - work on s28 issue 81 (race conditions in broker)
    This week:
        - continue working on snowflake !93 (add tests)
        - ongoing debugging with s28 (there are other issues, not sure if related to issue 81 yet)
        - working on issue 40117 (display NAT log type to stderr in nonverbose mode)

--
meskio | https://meskio.net/
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My contact info: https://meskio.net/crypto.txt
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Nos vamos a Croatan.

2 Likes

Quoting meskio (2022-06-02 18:26:46)

Hey everyone!

Here are our meeting logs:

#tor-meeting: tor anti-censorship meeting

That link is not the correct meeting log, the actually meeting log was:

http://meetbot.debian.net/tor-meeting2/2022/tor-meeting2.2022-06-02-16.00.html

Sorry.

···

--
meskio | https://meskio.net/
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
My contact info: https://meskio.net/crypto.txt
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Nos vamos a Croatan.

1 Like