Hey everyone! Here are our meeting logs: http://meetbot.debian.net/tor-meeting/2025/tor-meeting.2025-05-22-16.00.html And our meeting pad: Anti-censorship work meeting pad -------------------------------- Anti-censorship -------------------------------- Next meeting: Thursday, May 29 16:00 UTC Facilitator: meskio ^^^(See Facilitator Queue at tail) 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: onyinyang == 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 projects, 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
* Project 158 <-- meskio working on it* https://gitlab.torproject.org/groups/tpo/anti-censorship/-/issues/?label_name%5B%5D=Project%20158
== Announcements == * == Discussion == == Actions == == Interesting links ==* https://www.financeuncovered.org/stories/british-norwegian-and-danish-governments-back-internet-provider-in-military-run-myanmar-which-hosts-notorious-chinese-surveillance-system * Myanmar ISP Frontiir installed blocking equipment made by Chinese company Geedge Networks. * https://github.com/net4people/bbs/issues/369#issuecomment-2899187182
* https://blog.torproject.org/happy-families/* happy families should allow bridges to be part of a family, so operators can run bridges and exit nodes
== 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): 2025-05-15 Last week: - submitted conjure station MR to get CDN77 domain fronting working - https://github.com/refraction-networking/conjure/pull/291 - did some pair debugging - read up on the snowflake staging environment- https://gitlab.torproject.org/shelikhoo/snowflakestaging/-/issues/1
- started testing unreliable transport mode for snowflake- https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/315
- resumed work on snowflake metrics improvements- https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40458
This week: - support conjure work- finish testing and give feedback on unreliable transport mode for snowflake
- follow up on snowflake rendezvous failures- reduce/remove use of mutexes for broker metrics (snowflake#40458)
- take a look at potential snowflake orbot bug - https://github.com/guardianproject/orbot-android/issues/1183 dcf: 2025-05-22 Last week: Next week:- 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
Help with: meskio: 2024-05-22 Last week:- get a test authority and bridges working for the rdsys staging (rdsys#219)
- review and coordinate grants Next week: - steps towards a rdsys in containers (rdsys#219)- investigate why we don't distribute webtunnel bridges over https some days (rdsys#262)
Shelikhoo: 2024-05-22 Last Week:- [Testing] Unreliable+unordered WebRTC data channel transport for Snowflake rev2 (cont.)( https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/315 ) testing environment setup/research
- Snowfalke Staging Server Experiment- Support the Testing of domain fronting sites ( https://gitlab.torproject.org/tpo/anti-censorship/connectivity-measurement/logcollector/-/issues/6 ) (cont.)
- Merge request reviews Next Week/TODO: - Merge request reviews- [Testing] Unreliable+unordered WebRTC data channel transport for Snowflake rev2 (cont.)( https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/315 ) improvements - Support the Testing of domain fronting sites ( https://gitlab.torproject.org/tpo/anti-censorship/connectivity-measurement/logcollector/-/issues/6 ) (cont.)
- Snowfalke Staging Server Experiment(Almost Done ^~^) onyinyang: 2025-05-22 Last week(s): - Attempted to get conjure DNS registrar working- encountering errors for both conjure and gotapdance cli with DNS registrar
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/conjure/-/merge_requests/47 - Implemented staleness check for conjure bufferedconn https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/conjure/-/merge_requests/45 Next week: - Improve phantombox testing environment - Continue testing DNS/Decoy registrar in phantombox As time allows: - review Tor browser Lox integration https://gitlab.torproject.org/tpo/applications/tor-browser/-/merge_requests/1300 - add TTL cache to lox MR for duplicate responses: https://gitlab.torproject.org/tpo/anti-censorship/lox/-/merge_requests/305 - Work on outstanding milestone issues: - key rotation automation Later:pending decision on abandoning lox wasm in favour of some kind of FFI? https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/43096):
- add pref to handle timing for pubkey checks in Tor browser - add trusted invitation logic to tor browser integration: https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/42974- improve metrics collection/think about how to show Lox is working/valuable
- sketch out Lox blog post/usage notes for forum (long term things were discussed at the meeting!):- 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: 2025-04-10 Last weeks: - fixing bugs in covert-dtls, only mimic DTLS 1.2 - Running proxy with covert-dtls- MR covert-dtls: https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/448#note_3158883
Next weeks:- Write instructions on how to configure covert-dtls with snowflake client (are we going to run a user test?) - Fix merge conflicts in MR (https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/448).
- Condensing thesis into paper Help with: - Test stability of covert-dtls in snowflake Facilitator Queue: onyinyang meskio shelikhoo1. First available staff in the Facilitator Queue will be the facilitator for the meeting 2. After facilitating the meeting, the facilitator will be moved to the tail of the queue
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