[tor-project] Anti-censorship meeting notes, 17 Dec 2020
phw at torproject.org
Thu Dec 17 18:00:45 UTC 2020
Here are our meeting minutes:
And here is our meeting pad:
Anti-censorship work meeting pad
Next meeting: Thursday December 17th 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 ==
* Tor is moving to ed25519 IDs as relay/bridge identifiers.
* Current fingerprint format (SHA-1 over RSA key) may not be around anymore.
== Discussion ==
* Post mortem of moat outage
* How can we prevent this from happening again?
* Is this the last meeting until 2021?
== 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 (2020-12-17):
* Wrote obfs4proxy patch that fixes -unsafeLogging.
* Helped Benjamin from Guardian Project debug ongoing obfs4proxy HPKP issue.
* Still dealing with tor's dormant mode issue in bridgestrap.
* Created a Prometheus dashboard for bridgestrap. It's beautiful.
* Mostly read rBridge paper.
* Closed our obfs4proxy HPKP issue because numbers have mostly recovered.
* Made progress on rdsys's persistence layer.
* Progress on Salmon's privacy improvements.
* Brainstorm a way to do censorship measurement for Salmon.
cecylia (cohosh): last updated 2020-12-17
- met with protozoa people about a new PT
- did some research on issues with stacking reliable protocols
- ran some tests for an increased window size in snowflake#40026
- merged snowflake!24
- read release notes for pion/webrtc v3.0.0
This week: (AWAY DEC 21 - JAN 06)
- try an update to pion/webrtc/v3 (snowflake#40027)
- update webrtc and snowflake versions in tor browser
- continue to monitor snowflake stats
- Figure out why we still have unknown proxies
Needs help with:
juggy : last updated before 2020-12-17
- 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
- looked at cohosh's patch to increase the KCP window size https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40026
- 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!)
-More on research httpt #4
-Worked on rdsys #6 (took a deep dive into extra-info descriptors)¶
-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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