Hi all,

Here are our meeting minutes:

http://meetbot.debian.net/tor-meeting/2020/tor-meeting.2020-04-30-17.59.html

And here is our meeting pad:

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

Next meeting: Thursday April 30th 18:00 UTC

Weekly meetings, every Thursday at 18:00 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: https://gitlab.torproject.org/torproject/anti-censorship/roadmap/boards * Our roadmap consists of a subset of trac tickets. For 2020 Q1, the trac keyword is anti-censorship-roadmap-2020Q1 * Next planning session: last week of April * The anti-censorship team's wiki page: https://trac.torproject.org/projects/tor/wiki/org/teams/AntiCensorshipTeam * Past meeting notes can be found at: https://lists.torproject.org/pipermail/tor-project/ * GetTor's roadmap: https://gitlab.torproject.org/groups/torproject/anti-censorship/gettor-proje... * Tickets that need reviews: from sponsors we are working on: * https://trac.torproject.org/projects/tor/wiki/org/sponsors/Sponsor30 * https://trac.torproject.org/projects/tor/wiki/org/sponsors/Sponsor28 * Anti-censorship related tickets that we want other teams to fix: * https://pad.riseup.net/p/tor-anti-censorship-tickets-keep

------------------------- --- April 30th 2020 -- -------------------------

== Announcements ==

* We created anti-censorship-alerts@lists.tp.o for service outage alerts. * Feel free to subscribe. * https://lists.torproject.org/cgi-bin/mailman/listinfo/anti-censorship-alerts * Alerts for * gman999's sysmon instance * prometheus instance * nagions instances * gettor's email autoresponder * bridgedb's email autoresponder * Also, send email there if any of our services are broken.

== Discussion ==

* We should monitor indicators that tell us if we're on the right track * # of bridge users * # of bridge users from bridges that were privately distributed * # of bridges/snowflakes * volume of traffic on snowflake / meek bridges * snowflake https://metrics.torproject.org/rs.html#details/5481936581E23D2D178105D44DB69... * meek https://metrics.torproject.org/rs.html#details/8F4541EEE3F2306B7B9FEF1795EC3... * Make it easier for people to report bugs -> gives us an idea of what users are struggling with * Blog more and hear from users in comments * Read frontdesk emails & get a sense of the variety of questions and how many get resolved * Track a project's "activity" by keeping track of its commits * Check what other people are tracking, in different contexts, and see if we can apply their indicators * Track # of user-reported tickets * Number of countries where vanilla Tor Browser works / doesn't work, where Tor Browser + default bridges work/doesn't work, and + obfs4.

== Actions ==

* Please add your April 2020 work highlights to our monthly team report: * https://pad.riseup.net/p/CANAMyvGfb-wtKfzN2R_

== Interesting links ==

* https://ssd.eff.org/en/module/understanding-and-circumventing-network-censor... * Surveillance Self-Defense: Understanding and Circumventing Network Censorship * https://protonmail.com/blog/anti-censorship-alternative-routing/ * Protonmail will introduce a new "alternative routing" feature. * No technical details. May be domain fronting.

== Reading group ==

* We will discuss "MassBrowser: Unblocking the Censored Web for the Masses, by the Masses" on April 30 * https://censorbib.nymity.ch/#Nasr2020a * https://massbrowser.cs.umass.edu/ * 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 (related to anti-censorship work). Help with: - Something you may need help with.

phw: This week (2020-04-30): * Emailed a bunch of people to get an idea of meek-azure's financial situation. * Offboarding activities. * Addressed feedback for our lightweight censorship analyser (#30794). * Asked for new mailing list for anti-censorship service alerts. * Asked for Nagios alerts to be sent there (#34028). * Reviewed #33666, #33835, and #34035. * Continued work at wolpertinger. Added code to read serge's extrainfo descriptors. * Started taking a look at ICLab's measurements of our default bridges. * More talking to sysadmins to finally move our monitoring forward. Next week: * Help with: * #30794

Gaba: () Last week (2020-03-30): * not much related to anti-censorship This week (planned): * anti-censorship retrospective

cecylia (cohosh): last updated 2020-04-30 Last week: - so many reviews - refactored some GetTor code (#34035) - rebased pion-webrtc update patch in tbb (#33576) - looked at datachannel timeout in client (#34042) - squished some new snowflake bugs (#34049) - update node wrtc package (#34053) - updated snowbox to work with new repo setups - updated snowflake web proxy - started building snowflake for android (#28672) - squashed some GetTor bugs (#34061, #34062, #34027) - kept up with sponsor 28 evaluation phase This week: - test snowflake for android on mobile device - set up some kind of NAT topology testing suite (#25595) - figure out what we need to do to revive the twitter responder in GetTor (#33036) - look at old GetTor mirrors (#33893) - investigate #33669 - clean out and update any old tickets lying around - help with sponsor 28 PI meeting slides Needs help with: - review of GetTor fixes (#34061, #34062)

juggy : Temporary hiatus due to finals prep This week: - Researched XUL and dug into previous conversations around integrating Tor Launcher into Tor Browser, why porting to Web Extensions might not work, etc. Next week: - Implement audio captchas in moat, figure out how to reduce audio captcha request size - Keep studying BridgeDB Help with: -

arlolra: 2020-04-30 Last week: - some sporadic review Next week: - follow ups to #33365 - start on #31201 Help with: - follow up review of #33365

dcf: 2020-04-30 Last week: - merged snowflake turbotunnel branch and redeployed bridge (#33745, thanks arma and cohosh) - removed client-side buffering from snowflake, and related refactorings (#33897, #33982, #33984, #33994, #33995, #33996, #33997, #34002, #34049, #34050, thanks cohosh and arlolra) - filed a ticket to reduce snowflake client connection timeout (#34042) - made a branch for updating to turbotunnel snowflake in Tor Browser (#34043) Next week: - patch to reduce connection timeout (#34042) - convert snowflake turbotunnel merge (#34043) into a Tor Browser ticket - check with Kyle about snowflake fingerprinting results - share access to the snowflake broker CDN configuration (#30510) Help with:

cjb: 2020-04-30 Last week: - gonna be afk with kids Next week: Help with:

agix:2020-04-30 Last week: - Incoperated phw's feedback on #33835 and #31528 Next week: - finalize #33835 and #31528 - Pick up a new ticket Help with: -

catalyst: 2020-04-16 last week: - more work on #5304 (PT outbound bind address) - started looking at #29128 (assemble bridge line) this week: - more background research and work on s28/s30 tickets

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: