[tor-project] Anti-censorship meeting notes, 10 Dec 2020
phw at torproject.org
Thu Dec 10 16:36:23 UTC 2020
Here are our meeting minutes:
And here is our meeting pad:
Anti-censorship work meeting pad
Next meeting: Thursday December 10th 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 checkin 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's wiki page:
* Past meeting notes can be found at:
* 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 30
* 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
* Anti-censorship related tickets that we want other teams to fix:
* https://pad.riseup.net/p/tor-anti-censorship-tickets-keep <-- it will be moved into gitlab with TPO labels <-- do we still need this? The label is 'for anticensorship team'
* Public bug-reporting pad:
== Announcements ==
== Discussion ==
* Your thoughts on httpt #4 ( https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/httpt/-/issues/4 )
* How would you approach this issue?
* What does the threat model look like?
== 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 ==
- What you worked on this week.
- What you are planning to work on next week.
- Something you need help with.
This week (2020-12-10):
* Reviewed https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/21
* Reviewed https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/23
* A bit of brainstorming at https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/httpt/-/issues/4
* Bridgestrap debugging https://gitlab.torproject.org/tpo/anti-censorship/bridgestrap/-/issues/11
* Added rdsys's backend to our monit config.
* Wrote a patch for obfs4proxy's certificate pinning issue.
* Published Nov 2020 report on tor-project@ and on our blog.
* Debugged a memory exhaustion issue in rdsys: https://gitlab.torproject.org/tpo/anti-censorship/rdsys/-/issues/30
* Attended some DRL meetings.
* Filed TPA ticket to have rdsys's backend metrics scraped by Prometheus: https://gitlab.torproject.org/tpo/tpa/team/-/issues/40113
* Realised that tor's dormant mode broke bridgestrap: https://gitlab.torproject.org/tpo/anti-censorship/bridgestrap/-/issues/12
* Reach out to a few folks to have emma run in different places.
* Progress on Salmon.
cecylia (cohosh): last updated 2020-12-10
- reviewed bridgestrap!4
- reviewed snowflake!22
- worked on debugging performance issues with snowflake#25723
- found some throughput bottlenecks in KCP (snowflake#40026)
- created https://gitlab.torproject.org/tpo/anti-censorship/gettor-project/onionsproutsbot project and read through source code
- reduce KCP bottlenecks (snowflake#40026)
- continue to monitor snowflake stats
- Figure out why we still have unknown proxies
- have broker inform proxies when to poll (snowflake#25598)
- Finish work on avoiding double delays (snowflake#34080)
- Continue snowflake multiplexing debugging (snowflake#25723)
Needs help with:
- Got very basic "suggested readings" list up and running here : https://jugheadjones10.github.io/anti-censorship-reading/
- Keep studying BridgeDB to write architectural overview
- Open issues here (https://github.com/jugheadjones10/anti-censorship-reading ) for papers/resources/readings that you think might be useful for newcomers
- getting back up to speed
- follow ups to #33365
- start on #31201
dcf: 2020-12-09 (will miss 2020-12-10 meeting)
- Wrapping Babatunde's research on the use of circumvention tools during internet censorship in Africa. Wrapping Personas for s30 with it.
- We are planning interviews with users in China to run our bridges discovery issues script in real time. We discussed to include TBA + snowflake as a task for users to run over a week or two and report back.
- I still have bridges.tpo to lektor issue open
- More work on UX/UI for TB 10.0/10.5
- Review Salmon related tickets (im late with it!)
-Did some research for httpt #4
-Started with rdsys #6
-Finish rdsys #6
-More work on httpt #4
- Took break to focus on work
- #32117: Look at CAPTCHA success rate for users from the US across different types of bridges
- CI/CD pipeline for multiarch docker images, which has a problem
with the apt tor version even though the apt repository have been
changed into the Dockerfile.
- Research on how to implement a STUN check on Android.
Help with: -
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