Hi all,

Here are our meeting minutes:

http://meetbot.debian.net/tor-meeting/2020/tor-meeting.2020-08-20-15.59.html

And here is our meeting pad:

Anti-censorship work meeting pad --------------------------------

Next meeting: Thursday August 20th 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 * Public bug-reporting pad: * https://pad.riseup.net/p/tor-anti-censorship-bugs-keep

== Announcements ==

*

== Discussion ==

* Cool stuff happens in anti-censorship-team-land, and we have a twitter audience who would love to learn about them. So one of the items to consider periodically should be: is there something compelling to tweet about? This period includes Belarus, ESNI, Turbotunnel video, more.

* Brainstorm ways to learn more about Tor blocking in Belarus.

== Actions ==

*

== Interesting links ==

* Spike in Tor [bridge] usage in Belarus: https://www.reddit.com/r/europe/comments/i82v45/surge_in_tor_activity_from_b... * https://labs.ripe.net/Members/alun_davies/our-first-glance-at-the-belarus-ou... * https://blog.qrator.net/en/what-happening-BY_86/ * Non-bridge usage decreased: * https://people.torproject.org/~dcf/metrics-country.html?start=2020-05-01&... * Psiphon usage greatly increased: * https://psix.ca/d/nyi8gE6Zk/regional-overview?orgId=2&var-region=BY * https://archive.is/HoUDm * GFW has stopped blocking connections from Tor exits? (Tor users can access China-based destinations again now?) * https://github.com/net4people/bbs/issues/43#issuecomment-673544223

== Reading group ==

* We will discuss "Turbo Tunnel" on Aug 20 Aug 27 * PDF: https://www.bamsoftware.com/papers/turbotunnel/turbotunnel.pdf * Web version: https://www.bamsoftware.com/papers/turbotunnel/ * 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 (2020-08-20): * Spent most of my time working on BridgeDB reimplementation. * https://gitlab.torproject.org/tpo/anti-censorship/bridgedb/-/issues/32900 * Experimented with Salmon implementation. * https://gitlab.torproject.org/tpo/anti-censorship/bridgedb/-/issues/31873 * Brainstormed privacy-preserving features with cohosh. * Onionperf & exitmap work. * Drafted blog post on challenges, priorities, and progress in our work. * Let me know and I'll send you a draft! One needs a blog account to look at it :/ * Various bridgestrap performance and reliability improvements. * Deployed a new set of 10k CAPTCHAs on BridgeDB, just to see if it would affect presumed-to-be bots. Next week: * Help with: *

cecylia (cohosh): last updated 2020-08-20 Last week: - deployed webext#13 - performed more measurements for snowflake#33666 - updated snowflake stats to include NAT types (snowflake#40008) - commented on salmon implementation progress (bridgedb#31873) - performed throughput measurements on restricted and unrestricted NAT topologies (snowflake#32545) - implemented simple round robin multiplex across proxies (#25723) - suggested improvement in Docker networking setup for proxy docker (snowflake#40002) This week: - perform measurements on throughput improvements of (snowflake#25723) - avoid double delays from ReconnectTimeout (snowflake#34080) - strategize on where to go next for snowflake NAT issues - continue working on NAT test suite (snowflake#25595) - continue with GetTor + BridgeDB refactor - look at snowflake#40004 Needs help with: - review of fix for snowflake#21314 (snowflake!9) - review of fix for snowflake#40008 (snowflake!10) - review of and feedback on snowflake#25723 (snowflake!11)

juggy : 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: 2020-06-11 Last week: - Next week: - follow ups to #33365 - start on #31201 Help with: -

dcf: 2020-08-19 (will be absent 2020-08-20) Last week: Next week: - review snowflake client inactivity https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... - try again with the CDN invitation link for #30510 - add licenses of kcp-go and smux (tor-browser-build#40031) - start metrics-team thread on finding a new home for the Metrics Timeline Help with:

Antonela: 2020-07-23 Last week: - (S28) Snowflake Android App UI https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... - (S30) Making bridges.tpo looks like tpo.org https://gitlab.torproject.org/tpo/anti-censorship/bridgedb/-/issues/34322 - (S30) Planning activities for the user group in HK (happening next week): - Run emma https://gitlab.torproject.org/tpo/ux/research/-/blob/master/scripts%20and%20... - Discovery issues with Bridges flow - working on the script https://gitlab.torproject.org/tpo/ux/research/-/issues/4 This week: - (S28) Review Snowflake Android App UI - (S30) Working on making bridges.tpo work with lektor - (S30) Sent Get Bridges User Research to the group in HK. Will meet them on Friday. Final script: https://gitlab.torproject.org/tpo/ux/research/-/issues/4

agix:2020-08-20 Last week: -Read the Turbotunnel paper Next week: - Help with: -

hanneloresx: 2020-08-20 Last week: Read the Turbotunnel paper Next week: - Start on #33727 - Continue investigating and respond to comments on #32117 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: 2020-08-13 This week: - Working on application UI #11 - MR on Animation change #18 Next week: - Further work on ticket #11 - Work on Network checks if time permits #16 Help with: -