[tor-project] Anti-censorship team meeting notes, 2024-02-29
meskio
meskio at torproject.org
Thu Feb 29 16:47:57 UTC 2024
Hey everyone!
Here are our meeting logs:
http://meetbot.debian.net/tor-meeting/2024/tor-meeting.2024-02-29-15.57.html
And our meeting pad:
Anti-censorship
--------------------------------
Next meeting: Thursday, March 7 16:00 UTC
Facilitator: onyinyang
Weekly meetings, every Thursday at 16:00 UTC, in #tor-meeting at OFTC
(channel is logged while meetings are in progress)
This week's Facilitator: meskio
== 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 the Tor Project and Tor community.
== 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 96 <-- meskio, shell, onyinyang, cohosh
* https://gitlab.torproject.org/groups/tpo/-/milestones/24
* Sponsor 150 <-- meskio working on it
* https://gitlab.torproject.org/groups/tpo/anti-censorship/-/issues/?label_name%5B%5D=Sponsor%20150
== Announcements ==
- Ireland Constitution Amendment Referendum: March 8th
Anything to note?
* Belarus - General elections (2024-02-25): https://explorer.ooni.org/chart/mat?probe_cc=BY&since=2024-01-16&until=2024-02-16&time_grain=day&axis_x=measurement_start_day&test_name=tor
* Cambodia - Senate election (2024-02-25): https://explorer.ooni.org/chart/mat?probe_cc=KH&since=2024-01-16&until=2024-02-16&time_grain=day&axis_x=measurement_start_day&test_name=tor
== Discussion ==
* Mysterious reported snowflake issue in China has maybe gone away as of 2024-02-26? But reportedly still slow/unreliable https://github.com/net4people/bbs/issues/325#issuecomment-1963226429
* looks like we can reproduce the issue: https://gitlab.torproject.org/tpo/anti-censorship/connectivity-measurement/bridgestatus/-/blob/dc663e36d7dc81467a63f59c5d435b9f93e9e3ab/recentResult_cnnext#L89
* shelikhoo will investigate when time is available
* Unclear whether AWS will allow public disclosure of credentials
* https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40337
* we are waiting for their response
== 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): 2024-02-29
Last week:
- released v2.9.1 for snowflake
- merged shadow ci integration tests for snowflake
- https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/242
- responded to AWS warning about public disclosure of credentials
- https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40337
- set up a cdn77 endpoint for meek
- worked on snowflake webext source code instructions for 0.7.3 rejection
- https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake-webext/-/issues/89
This week:
- continue following up on AWS support case
- review lox synchronization fix
- compile a list of next-steps for lox
- update wasm-bindgen fork to fix some bugs and hopefully upstream changes
- tor-browser-build updates for lox wasm + bindings generation
- Conjure bridge maintenance
- more testing of available domain fronts
Needs help with:
dcf: 2024-02-29
Last week:
- archived snowflake-webext-0.7.3 https://archive.org/details/snowflake-webextension-0.7.3
- rebased https://gitlab.torproject.org/dcf/snowflake/-/commits/handshake-padding and for testers in China
Next week:
- review draft MR for unreliable data channels https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/219
- open issue to have snowflake-client log whenever KCPInErrors is nonzero https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40262#note_2886018
- parent: https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40267
- open issue to disable /debug endpoint on snowflake broker
- move snowflake-02 to new VM
Help with:
meskio: 2023-02-29
Last week:
- email tor-relays to request bridges for lox (lox#56)
- mark bridges with local addresses as dysfunciontional in rdsys (rdsys!270)
- get the version number from git in lyrebird (lyrebird!31)
- try and fail to use iptables to bloc local connections from bridgestrap
Next week:
- moat distributor in rdsys
Shelikhoo: 2024-02-29
Last Week:
- [Merge Request]HTTPS distributors in rdsys: https://gitlab.torproject.org/tpo/anti-censorship/rdsys/-/merge_requests/260
- [Research] Inspect Snowflake Situation In China
- Update WebTunnel Container Image(https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/webtunnel/-/issues/30#note_2999102)
- Merge request reviews
Next Week/TODO:
- Inspect Snowflake Situation In China and create ticket for that
- Create Issue for "Merging webtunnel + lyrebird"
onyinyang: 2023-02-29
Last week(s):
- continued prep for HACS/DRL meeting
- Thought about/work on other Lox test deployment milestone pieces
-https://gitlab.torproject.org/tpo/anti-censorship/lox/-/milestones/1#tab-issues
- worked on better invitation encoding issue: https://gitlab.torproject.org/tpo/anti-censorship/lox/-/issues/58, implemented base64 serialization/deserialization but waiting for more feedback from the wider team
- looked into bridge blockage reporting: https://gitlab.torproject.org/tpo/anti-censorship/lox/-/issues/57
This week:
- continue prep for HACS/DRL meeting
- improve metrics collection/think about how to show Lox is working/valuable
- sketch out Lox blog post/usage notes for forum
- attempt hyper upgrade again
(long term things were discussed at the meeting!): https://pad.riseup.net/p/tor-ac-community-azaleas-room-keep
- brainstorming grouping strategies for Lox buckets (of bridges) and gathering context on how types of bridges are distributed/use in practice
Question: What makes a bridge usable for a given user, and how can we encode that to best ensure we're getting the most appropriate resources to people?
1. Are there some obvious grouping strategies that we can already consider?
e.g., by PT, by bandwidth (lower bandwidth bridges sacrificed to open-invitation buckets?), by locale (to be matched with a requesting user's geoip or something?)
2. Does it make sense to group 3 bridges/bucket, so trusted users have access to 3 bridges (and untrusted users have access to 1)? More? Less?
theodorsm: 2023-01-11
Last weeks:
- Currently in the start phase of writing my master thesis (to be finished late june 2024) in communication technology on reducing distinguishability of DTLS. The goal is to implement a validated DTLS anti-fingerprinting library similar to uTLS (useful for Snowflake).
Next weeks:
- Talk with Sean DuBois about contributing to adding anti-fingerprinting capabilities to the pion library
Help with:
- Find recent data set of captured DTLS traffic
--
meskio | https://meskio.net/
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
My contact info: https://meskio.net/crypto.txt
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Nos vamos a Croatan.
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