Hi everyone! Here are our meeting logs: http://meetbot.debian.net/tor-meeting/2021/tor-meeting.2021-12-16-15.59.html and our meeting pad: Anti-censorship work meeting pad -------------------------------- Next meeting: Thursday January 6th 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%93&s... == Announcements == New default bridge in TorBrowser: https://metrics.torproject.org/rs.html#details/3D98E4E19BDBBF2047DDAC7892B39... == Discussion == Current status in Russia meek-azure now unblocked? seems to be working https://ntc.party/t/ooni-reports-of-tor-blocking-in-certain-isps-since-2021-... Moat is no longer distributing old bridges in Russia https://gitlab.torproject.org/tpo/anti-censorship/team/-/issues/47#note_2766... The new Telegram bot's bridges were all blocked but one we need more mirrors of *.torproject.org as they get blocked snowflake bridge has doubled its clients https://metrics.torproject.org/rs.html#details/5481936581E23D2D178105D44DB69... the DTLS fingerprint fix seems to work The new bridge obfs4 deusexmachina is already blocked (from 11.0.2, released 2021-12-08) There is an article saying that an organization is petitioning to have Tor Browser removed from the Google and Apple app stores in Russia https://m.gazeta.ru/social/news/2021/12/14/n_17011309.shtml Further Snowflake fingerprint fixes anyone working on adding ALPN support to DTLS Client Hello? https://github.com/pion/dtls/issues/408 dcf will upgrade the standalone proxies we operate meskio will upgrade the docker image need updates for the debian package and freebsd port as well next meeting Thursday 6 January 2022 we have now 2k bridges https://metrics.torproject.org/networksize.html?start=2017-09-17&end=2021-12... == Actions == == Interesting links == https://eyedeekay.github.io/blizzard/ Snowflake proxy plugin for I2P == Reading group == We will discuss "Meteor: Cryptographically Secure Steganography for Realistic Distributions" on 2022-01-?? https://dl.acm.org/doi/10.1145/3460120.3484550 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 2021-12-09 Last week: - preliminary dump of snowflake shadow simulation scripts (needs more documentation and cleanup) - https://gitlab.torproject.org/cohosh/snowflake-simulation - hooked up our reachability measurements to grafana - s28 PI meeting - handled snowflake probe test outage (responded to alert) - snowflake DTLS fingerprinting fixes - DTLS fix: https://github.com/pion/dtls/pull/407 - Tor Browser MR: https://gitlab.torproject.org/tpo/applications/tor-browser-build/-/merge_req... - bump version of Snowflake in Tor Browser - https://gitlab.torproject.org/tpo/applications/tor-browser-build/-/merge_req... This week: - finish documenting and cleaning up shadow simulation scripts - use these snowflake + shadow scripts to do more performance testing - ensure everything is in place for end of phase II for s28 - https://gitlab.torproject.org/tpo/anti-censorship/team/-/milestones/1 - follow up on Snowflake DTLS fingerprinting work 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: 2021-12-16 Last week: - had a talk about push notifications https://gitlab.torproject.org/tpo/anti-censorship/team/-/issues/45 - posted an analysis of the quantity of BridgeDB captcha images https://lists.torproject.org/pipermail/anti-censorship-team/2021-December/th... Next week: - upgrade standalone snowflake proxies for the new DTLS fingerprint Help with: agix:2021-11-25 Last week: - More work on gettor for twitter Next week: - Continue to work on gettor-twitter 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: 2021-09-23 Last week: - Worked on https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... re: utls for broker negotiation - Had conversation with someone about upstream utls http round tripper https://github.com/refraction-networking/utls/pull/74 - Too busy with work :/ Next week: - _Really_ want to get a PR for utls round tripper meskio: 2021-12-16 Last week: - russia censorship fires - rotate blocked bridges in telegram bot - implement BridgeDB country bridge blocklist and block nonworking moat bridges in russia (team#47) - review BridgeDB mock clean up (bridgedb!29) - review docker-obfs4-bridge change the nickname (docker-obfs4-bridge!6) - merge docker-snowflake-proxy improvements (docker-snowflake-proxy!3) - DRL implementors meeting Next week: - metrics bridge distributor metrics for rdsys (rdsys#67) Shelikhoo: 2021-12-16 Last Week: - [Merge Request Awaiting] Add SOCKS5 forward proxy support to snowflake(snowflake!64) - [Merge Request Awaiting] Multi-arch docker image support with Dockerfile refactor for probetest(probetest!1) - [Merge Request] Add Google backend support for gettor updater - [Merge Request] Add callbacks in the client for key events during snowflake connections(snowflake#40076) - [Merge Request Review] Default to the main branch and cache go modules - [Investigate] Random Like Stream Blocking on Certain IDC from gfw_report - [Investigate] Implement metrics to measure snowflake churn(snowflake#34075) - [Investigate] [Russia] Some ISPs are blocking Tor - [Discussion] Proposal: Support for Dynamic IP obfs4 bridges with unattended proxy information update(aka "Subscription") - [Discussion] Implement metrics to measure snowflake churn(snowflake#34075) - [Discussion] Proposal: Push Notification Based Signaling Channel - [Discussion] Proposal: HTTP(S) Download Test(bridgestrap#30) Next Week: - [Discussion] Designing the Container Layout for rdsys - [Discussion] Proposal: Support for Dynamic IP obfs4 bridges with unattended proxy information update(aka "Subscription") - [Discussion] Implement metrics to measure snowflake churn(snowflake#34075) - [Discussion] Proposal: Push Notification Based Signaling Channel - [Investigate] rdsys Deployment Environment HackerNCoder: 2021-12-16 This week: Last/done: Setup web mirror on tor.encryptionin.space Next: Get (new VPs with) new IP and setup new web mirror on new domain -- meskio | https://meskio.net/ -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- My contact info: https://meskio.net/crypto.txt -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Nos vamos a Croatan.