Hey everyone! This is a little late, but here were our logs from the meeting last week: http://meetbot.debian.net/tor-meeting/2021/tor-meeting.2021-08-26-15.59.html and here is our meeting pad: Anti-censorship work meeting pad -------------------------------- Next meeting: Thursday August 19th 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. == Announcements == Job opening on the anti-censorship team: https://www.torproject.org/about/jobs/software-developer-anticensorship-2/ \o/ == Discussion == == Actions == == Interesting links == USENIX Security 2021 papers https://www.usenix.org/conference/usenixsecurity21/technical-sessions "Domain Shadowing: Leveraging Content Delivery Networks for Robust Blocking-Resistant Communications" https://www.usenix.org/conference/usenixsecurity21/presentation/wei "How Great is the Great Firewall? Measuring China's DNS Censorship" https://www.usenix.org/conference/usenixsecurity21/presentation/hoang "Balboa: Bobbing and Weaving around Network Censorship" https://www.usenix.org/conference/usenixsecurity21/presentation/rosen "Weaponizing Middleboxes for TCP Reflected Amplification" https://www.usenix.org/conference/usenixsecurity21/presentation/bock "Defeating DNN-Based Traffic Analysis Systems in Real-Time With Blind Adversarial Perturbations" https://www.usenix.org/conference/usenixsecurity21/presentation/nasr == 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. cecylia (cohosh): last updated 2021-08-26 Last week: - hiring tasks for ac team and network team - mostly just s28 integration/scrimmage - more work on making OONI's tor tests look more like tor - helped plan tor's autoconnect feature This week: - more hiring and s28 meetings - censorship measurement tests and tools - reviews - snowflake!52 followup - snowflake#25595 followup - lots of miscellaneous gitlab TODOs Needs help with: arlolra: 2021-08-12 Last week: - Migrate to v3 of the webextension manifest Next week: - Maybe get back to snowflake-webext #10 - Write up the pitch for our use case for supporting creating PeerConnections in background service workers https://github.com/w3c/webrtc-extensions/issues/77 Help with: - dcf: 2021-08-19 Last week: - snowflake CDN bookkeeping https://gitlab.torproject.org/tpo/anti-censorship/team/-/wikis/Snowflake-cos... - posted a summary of the Turkmenistan situation https://ntc.party/t/recent-drop-in-tor-users-from-turkmenistan-testers-wante... https://gitlab.torproject.org/tpo/community/support/-/issues/40030 Next week: Help with: agix:2021-07-15 Last week: -Off due to final exams Next week: -Work on bridgebox for rdsys -More research on httpt #4 Help with: - hanneloresx: 2021-3-4 Last week: - Submitted MR for bridgestrap issue #14 Next week: - Finish bridgestrap #14 - Find new issue to work on Help with: - maxb: 2021-07-15 Last week: - Opened https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... re: utls for broker negotiation - Worked on github.com/max-b/nat-testing for https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... - Added a snowflake-proxy-no-nat and a snowflake-client-no-nat to help with debugging - Successfully making connections from snowflake-client and snoflake-client-no-nat through the snowflake-proxy-no-nat, but not having any success with the snowflake-proxy (with nat). - Added a local dockerized STUN server Next week: - Use wireshark to figure out the difference between successful snowflake-proxy-no-nat and unsuccessful snowflake-proxy-nat - Work on implementing different NAT types, particularly in a way that's conducive to automatic testing - Add testing wrapper w/ "pass/fail" conditions meskio: 2021-08-26 Last week: - make bridgestrap CollecTor metrics resistant to restarts (bridgestrap#22) - change bridgedb to send obfs4 bridges by default over email (bridgedb#50) - review gettor upload script mr (gettor!17) - review docker-obfs4-bridge multi arch build (docker-obfs4-bridge!4) - review docker-obfs4-bridge fix for the new debian release (docker-obfs4-bridge!3) - review new translations for GettorWeb (gettor-web!7) Next week: - make censorship snapsot available on moat (bridgedb#40025) - act on comments on rdsys-gettor (rdsys!11) Help with: -