[tor-project] Anti-censorship team meeting notes, 2022-08-04

Hey everyone!

Here are our meeting logs:
#tor-meeting: tor anti-censorship meeting <http://meetbot.debian.net/tor-meeting/2022/tor-meeting.2022-03-31-15.59.html&gt;

And our meeting pad:

Anti-censorship work meeting pad

···

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

Next meeting: Thursday Aug 11 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: https://gitlab.torproject.org/groups/tpo/anti-censorship/-/boards
 \* The anti\-censorship team&#39;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 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
     \* Sponsor 96
         \* https://gitlab.torproject.org/groups/tpo/-/milestones/24

== Announcements ==

 \* HotFOCI next week, Tue 2022\-08\-09
     \* https://hotfoci.org/
     \* register here: https://hotfoci.org/register

== Discussion ==

(KEEP)
* What is the status of adjusting snowflake (pion) DTLS signature to avoid blocking in Russia? (Based on offset of supported_groups extension.)
* IRC Tip about Signature used to block Snowflake in Russia, 2022-May-16 (#40030) · Issues · The Tor Project / Anti-censorship / censorship-analysis · GitLab
* Shuffle Elliptic Curves in ClientHello to circumvent Russian censorship by ValdikSS · Pull Request #474 · pion/dtls · GitHub
* Проблемы в работе ПО использующего WebRTC - #21 by tango - Russia - NTC
* [Russia] Some ISPs are blocking Tor (#40050) · Issues · The Tor Project / Community / Support · GitLab (generally)
* shell have produced a TB tgz with a modified snowflake to test
* https://people.torproject.org/~shelikhoo/dqo8apcai4/tor-browser/tor-browser-11.5a13-linux-x86_64-176893/tor-browser-linux64-11.5a13_en-US.tar.xz
* shell will post it on ntc and tor forum
* Testing Invitation for Tor Browser with supported_groups patch countermeasure in Snowflake to evade censorship observed in Russia - Censorship circumvention methods & software - NTC
* (Not working???)
* >>> Request a packet capture
* Testing Invitation for Tor Browser with supported_groups patch countermeasure in Snowflake to evade censorship observed in Russia
* (No reply #~#)
* User reports that the problem now is the presence of a Hello Verify Request message
* IRC Tip about Signature used to block Snowflake in Russia, 2022-May-16 (#40030) · Issues · The Tor Project / Anti-censorship / censorship-analysis · GitLab

(New)
* Snowflake
* New snowflake.tpo text review and discussion: Riseup Pad ticket: Update Landing Page (snowflake.torproject.org) (#40125) · Issues · The Tor Project / Anti-censorship / Pluggable Transports / Snowflake · GitLab
* Umbrel asked us:"If you push multi architecture builds to Docker Hub after your releases automatically, it would just be super simple PR to update the version number and checksum to keep Umbrel up to date". Update Snowflake Proxy in third party Distribuation Channel: umbrel (#40169) · Issues · The Tor Project / Anti-censorship / Pluggable Transports / Snowflake · GitLab

== Actions ==

== Interesting links ==

== Reading group ==

 \* We will discuss &quot;&quot; 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 2022-06-30
Last week:
- got tor to bootstrap fully with the deployed conjure station and bridge
- met with CU Boulder team to discuss conjure rollout plan
This week:
- follow up with CU Boulder team about a wireguard connection between the station and bridge
- a few quality of life conjure issues
- Issues · The Tor Project / Anti-censorship / Pluggable Transports / conjure · GitLab
- draft an announcement of conjure for forum and development community mailing lists
Needs help with:

dcf: 2022-08-04
Last week:
- answered some questions about snowflake polling There are gaps between polling requests for new clients (#43) · Issues · The Tor Project / Anti-censorship / Pluggable Transports / Snowflake WebExtension · GitLab Change name "Snowflake" -> "North Star" (#40158) · Issues · The Tor Project / Anti-censorship / Pluggable Transports / Snowflake · GitLab
- snowflake CDN bookkeeping Changes · Snowflake costs · Wiki · The Tor Project / Anti-censorship / Team · GitLab
- made a mirror of shelikhoo's tor-browser-11.5a13-snowflake-dtlslib-20220712-9d73998bca39 Creating a version of Tor Browser with patched Snowflake client that includes supported_groups censorship countermeasure (#83) · Issues · The Tor Project / Anti-censorship / Team · GitLab
- answered a question about pluggable transports and FascistFirewall Make Snowflake recognize FascistFirewall (#40159) · Issues · The Tor Project / Anti-censorship / Pluggable Transports / Snowflake · GitLab
- archived snowflake-webextension-0.6.1 Snowflake WebExtension 0.6.1 : The Tor Project : Free Download, Borrow, and Streaming : Internet Archive
Next week:
- disable non-WireGuard SSH access to snowflake-02
- migrate goptlib to gitlab migrate away from git.torproject.org (#86) · Issues · The Tor Project / Anti-censorship / Team · GitLab
Help with:

meskio: 2022-07-21
Last week:
- use the same bucket on gettor-rdsys archive.org for the existence file (rdsys!44)
- use a folder per flatform on gettor-rdsys gdrive (rdsys!45)
- request feedback on bridge URIs and QR codes
- review code cleanups on snowflake webextension (webextension!36 !37)
- review connection assist feedback (support#40086)
- help on bridgedb lektor migration and broken tests (bridgedb!31)
Next week:
- deploy moat shim-token support
- deploy a testing environment of rdsys-gettor

Shelikhoo: 2022-08-4
Last Week:
- [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)
- [Discussion & Deployment] Rollout of Distributed Snowflake Support
- [Coding & Deployment] Proposal: Centralized Probe Result Collector (anti-censorship/team#54)
- [Research+Coding] Raw Probe Log Data Collection Raw Probe Log Data Collection (#1) · Issues · The Tor Project / Anti-censorship / Connectivity Measurement / logcollector · GitLab

Next Week:
     \- \[Investigate\] China &quot;Anti\-Fraud&quot; Webpage Redirection Censorship \(censorship\-analysis\#40026\): update the research based on updated ooni
     \- \[Research\+Coding\] Raw Probe Log Data Collection https://gitlab.torproject.org/tpo/anti-censorship/connectivity-measurement/logcollector/-/issues/1
     \- \[Research\] HTTPT Planning

result

Itchy Onion: 2022-08-04
Last week:
- Updated snowflake plugin for RACE 2.2.0 (introduced a bug)
This week:
- Since updating snowflake plugin to 2.2.0, it has been silently dropping messages. Been working on it since then.
Next week:
- Still need to work on the leaking file descriptor issue from a while ago