[tor-project] Anti-censorship team meeting notes, 2024-03-28
Shelikhoo
shelikhoo at torproject.org
Thu Mar 28 16:18:51 UTC 2024
Hey everyone!
Here are our meeting logs:
https://paste.debian.net/1312310/
And our meeting pad:
Anti-censorship work meeting pad
--------------------------------
Anti-censorship
--------------------------------
Next meeting: Thursday, Apr 04 16:00 UTC
Facilitator: onyingyang
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: shelikhoo
== 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 ==
== Discussion ==
* Latest snowflake addon reviewer feedback requires a consent
prompt for the collection of personal data
*
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake-webext/-/issues/89
== 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): 2024-03-28
Last week:
- debugged some issues with conjure and added a new station to
the allowed-ips at the server
- set up new domain fronting accounts for meek and conjure
- updated torrc files
- worked on some shadow network model updates
- resumed work on adding a consent prompt for the snowflake addon
-
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake-webext/-/issues/89
This week:
- address latest review comments for snowflake addon
- work on reproducing some reported SQS errors and open a
public issue for it
- update wasm-bindgen fork to fix some bugs and hopefully
upstream changes
- tor-browser-build updates for lox wasm + bindings generation
Needs help with:
dcf: 2024-03-21
Last week:
- reviewed a snowflake-webext README fix
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake-webext/-/merge_requests/69
- merged some missing commits from meek gitolite into gitlab
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/meek/-/issues/40004#note_3008833
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: 2023-03-21
Last week:
- captcha moat in rdsys (rdsys#182)
- prometheus metrics for moat in rdsys (rdsys#124)
- deploy rdsys and bridgestrap testing bridges every hour
(bridgestrap#39)
- fix and publish obfs4-bridge docker image for armv7
(docker-obfs4-proxy#18)
- fix bugs introduced by me in bridgestrap (bridgestrap#41)
Next week:
- persistency for resources in rdsys (rdsys#56)
Shelikhoo: 2024-03-28
Last Week:
- [Merge Request Done] Add WebTunnel Client Support Integration
to lyrebird
(https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/lyrebird/-/merge_requests/34)
- [Merge Request WIP] Add Container Image Mirroring from Tor
Gitlab to Docker
Hub(https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/280)
- [Merge Request] Update lyrebird version to v0.2.0
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/lyrebird/-/merge_requests/35
- [Merge Request] Rename Stable Container Tags to Latest
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/284
- Prepare for 3-min presentation
- Prepare for the discussion session
- Merge request reviews
Next Week/TODO:
onyinyang: 2023-03-14
Last week(s):
- continued prep for HACS/DRL meeting
- Sync-test rebase
This week:
- continue prep for HACS/DRL meeting
- Attend HACS, then RWC, then DRL meeting
(later things)
- 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: 2023-03-14
Last weeks:
- Created a setup for extracting fingerprints from DLTS
handshakes and analyzed the previous webrtc/dtls data sets from
https://github.com/kyle-macmillan/snowflake_fingerprintability. Found
more fingerprints than presented in the original paper, but the
fingerprints are not present in newer snowflake versions.
- Contacted Sean DuBois at Pion, he is very supporting of
the project and happy to merge features related to anti-censorsip
- Started on a setup for collecting DTLS handshakes to be
used for mimicking
- Exploring and planning features for anti-fingerprinting
techniques to implement in the Pion lib.
Next weeks:
- Creating a setup for generating DTLS handshakes of
web-browsers with selenium/playwright. This will hopefully generate
common handshakes/fingerprints
Help with:
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