Hi all,

Here are our meeting minutes:

http://meetbot.debian.net/tor-meeting/2020/tor-meeting.2020-12-17-15.57.html

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: * 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?sc... * Sponsor 30 * https://gitlab.torproject.org/groups/tpo/-/milestones/4 * https://gitlab.torproject.org/groups/tpo/-/milestones/7 * https://gitlab.torproject.org/groups/tpo/-/milestones/5 * https://gitlab.torproject.org/groups/tpo/-/milestones/6 * 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%... * 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: * https://pad.riseup.net/p/tor-anti-censorship-bugs-keep

== 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 * https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/meek/... * 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 ==

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.

phw: This week (2020-12-17): * Wrote obfs4proxy patch that fixes -unsafeLogging. * https://gitlab.com/yawning/obfs4/-/merge_requests/1 * Helped Benjamin from Guardian Project debug ongoing obfs4proxy HPKP issue. * Still dealing with tor's dormant mode issue in bridgestrap. * https://gitlab.torproject.org/tpo/core/tor/-/issues/40228 * Created a Prometheus dashboard for bridgestrap. It's beautiful. * https://gitlab.torproject.org/tpo/anti-censorship/bridgestrap/-/issues/13 * Mostly read rBridge paper. * Closed our obfs4proxy HPKP issue because numbers have mostly recovered. * https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/meek/... * Made progress on rdsys's persistence layer. * https://gitlab.torproject.org/tpo/anti-censorship/rdsys/-/issues/5 Next week: * Progress on Salmon's privacy improvements. * Brainstorm a way to do censorship measurement for Salmon. Help with: *

cecylia (cohosh): last updated 2020-12-17 Last week: - 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 This week: - Got very basic "suggested readings" list up and running here : https://jugheadjones10.github.io/anti-censorship-reading/ Next week: - Keep studying BridgeDB to write architectural overview Help with: - Open issues here (https://github.com/jugheadjones10/anti-censorship-reading ) for papers/resources/readings that you think might be useful for newcomers

arlolra: 2020-10-29 Last week: - Next week: - getting back up to speed - follow ups to #33365 - start on #31201 Help with: -

dcf: 2020-12-17 Last week: - looked at cohosh's patch to increase the KCP window size https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... Next week: Help with:

Antonela: 2020-08-27 This week: - Wrapping Babatunde's research on the use of circumvention tools during internet censorship in Africa. Wrapping Personas for s30 with it. For september: - 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. https://gitlab.torproject.org/tpo/ux/research/-/issues/4 - 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!)

agix:2020-12-17 Last week: -More on research httpt #4 -Worked on rdsys #6 (took a deep dive into extra-info descriptors)¶ Next week: -Finish rdsys #6 -More work on httpt #4 Help with: -

hanneloresx: 2020-10-22 Last week: - Took break to focus on work Next week: - #32117: Look at CAPTCHA success rate for users from the US across different types of bridges Help with: -

thymbahutymba: 2020-04-02 Last week: - 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. Next week: Help with:

HashikD: 2020-11-19 This week: - Next week: - Research on how to implement a STUN check on Android. Help with: -