Hey everyone!

Here are our meeting logs: http://meetbot.debian.net/tor-meeting/2022/tor-meeting.2022-04-07-15.59.html

And our meeting pad:

Anti-censorship work meeting pad

-------------------------------- Anti-censorship work meeting pad -------------------------------- Next meeting: Thursday April 14th 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 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%... * Sponsor 96 * https://gitlab.torproject.org/groups/tpo/-/milestones/24 == Announcements == * Next snowflake bridge migration scheduled for next week https://gitlab.torproject.org/tpo/tpa/team/-/issues/40716 == Discussion == * Nickname for second bridge site? https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... * The existing bridge site has nickname "flakey" (actually flakey1, flakey2, etc.), since the second bridge site will have a different fingerprint it should have a different nickname * Can leave suggestions on the issue * Discuss about cooperation with Greatfire (by serene) * keroserene and shelikhoo had a call with Greatfire * one of the topics discussed was collaboration regarding FreeBrowser (https://freebrowser.org/, https://github.com/greatfire/freebrowser) and Snowflake * Some notes from the call: https://pad.riseup.net/p/greatfire-snowflake-notes == Actions == * == Interesting links == * Extended DNS Error provides more error codes to indicate why a DNS query failed; code 16 means "censored". (Like status code 451 in HTTP.) https://www.rfc-editor.org/rfc/rfc8914.html#section-4.17 * Ukraine-focused circumvention VPN, only unblocks a handful of sites like VK, Mail.ru * https://zaborona.help/ * https://ntc.party/t/ukraine/2135/3 * Uses static SOCKS proxies? E.g. srv1.vpn.zaborona.help https://zaborona.help/graph.html == Reading group == * We will discuss "Balboa: Bobbing and Weaving around Network Censorship" on April 7 * https://www.usenix.org/system/files/sec21-rosen.pdf * https://censorbib.nymity.ch/#Rosen2021a * 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. anadahz: 2022-01-27 Last week: - Increase timeout check cycles for default-bridge-felix-1 and default-bridge-felix-2 as they have been generating too many alerts: https://gitlab.torproject.org/tpo/anti-censorship/monit-configuration/-/merg... cecylia (cohosh): last updated 2022-03-31 Last week: - onboarded itchy onion onto s28 tasks - reviews - work on conjure PT This week: - continued work on conjure PT - continue to monitor snowflake broker stats Needs help with: dcf: 2022-04-07 Last week: - set up the snowflake bridge's permanent server and scheduled a time for the migration https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... https://gitlab.torproject.org/tpo/tpa/team/-/issues/40716 - opened an issue for tracking the installation of a second bridge site https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... - approved last piece of forward-fingerprint patch https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... - posted hints about CPU profiling snowflake-webext in Chrome https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... - more correspondence with OTF about a rapid response grant for the snowflake bridge Next week: - look at STATUS VERSION proposal https://gitlab.torproject.org/tpo/core/torspec/-/merge_requests/63 - install second snowflake bridge site https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... Help with: agix: 2021-02-10 Last week: - Continued work on gettor-twitter Next week: - Hopefully finish the task Help with: - arlolra: 2022-04-07 Last week: - Merged the rest of snowflake !81 Next week: - Get to snowflake-webext #10 Evergreen: - Figure out where in pion/webrtc ALPN should be configured and used - Maybe add Chacha20Poly1305 to pion/dtls https://github.com/pion/dtls#planned-features https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... 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: 2022-04-07 Last week: - document circumvention settings API (bridgedb#40043) - accept bridge distributor request changes (rdsys#104) - investigate bridgestrap reporting odd timing (tor#40592) - review cross compile docker snowflake-proxy (docker-snowflake-proxy!6) Next week: AFK Shelikhoo: 2022-04-07 Last Week: - [Merge Request Awaiting] Add SOCKS5 forward proxy support to snowflake (snowflake!64) - [Coding & Deployment] Proposal: Centralized Probe Result Collector (anti-censorship/team#54) - [Discussion] Centralized Probe Log Collection Ascension Request - [Discussion] Hosting Centralized Probe Log Collection Server on TPA managed VPS - [Discussion] Bridges should report implementation versions of their pluggable transports - [Coding] Add SOCKS5 forward proxy support to snowflake (snowflake!64) - built-in DNS - [Coding] Distributed Snowflake Bridges - Broker(continue) - (Reply a lot of emails) Next Week: - [Coding] Distributed Snowflake Bridges - Broker (continue) Itchy Onion: 2022-04-07 Last week: - snowflake !84 - racecar onboarding This week: - racecar local testing - set up LDAP Help with: - upgrade to be compatible with racecar 2.1.0 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 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: - ln5: 2022-03-24 Last week: - Received hardware for a new home for snowflake.tpn; discussed OS configuration with dcf in private email Next week: - Install Debian 11 on new snowflake.tpn - Possibly rack new snowflake.tpn, if I can get access and find time to do the transportation Need help with: - Input on urgency appreciated, for my planning - Input on preferred CPU configuration, esp wrt HyperThreading -- lacking input before deployment in data centre, the machine will *not* have HT disabled and CPU bug mitigation will thus have to be carried out by the kernel