Hey everyone!

Here are our meeting logs:

http://meetbot.debian.net/tor-meeting/2022/tor-meeting.2022-03-31-15.59.html

And our meeting pad:

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

Next meeting: Thursday April 7th 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 ==

*

== Discussion ==

* merge requests get assigned automatically for snowflake, rdsys and bridgedb repos by a bot * the hardware for the new snowflake bridge is expected to arrive tomorrow * dcf will install it * the telegram bot is in process to get integrated into rdsys * the remining question is how to keep the bridge quality * https://gitlab.torproject.org/tpo/anti-censorship/rdsys/-/issues/101 * the hosting Hosting Centralized Probe Log Collection Server on TPA managed VPS thing is progressing right now * https://gitlab.torproject.org/tpo/tpa/team/-/issues/40661#note_2792420

== Actions ==

== Interesting links ==

*

== 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: 2022-03-31 Last week: - further review of forward-fingerprint patch https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... - posted summary of performance observations on the interim snowflake bridge and a curious phenomenon with descriptors not all being published https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... - corresponded on OTF rapid response grant application for snowflake bridge funding - sent some information to OONI about snowflake for their torsf test Next week: - approve last piece of forward-fingerprint patch https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... - install snowflake bridge on linus's new server https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... - install snowflake bridge on another new server, with a different bridge fingerprint, so it is ready for multiple-bridge testing 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: 2022-03-31 Last week: - Revised !81 and merged some of it Next week: - 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: 2022-03-31 Last week: - telegram bot into rdsys (rdsys#77) - circumvention settings gives the full list of default bridges now (rdsys#100) - document settings and telegram distributors in bridges.tpo/info (bridgedb#40046) - select new bridges for probetest (team#77) - review docker snowflake-proxy using go 1.18 (docker-snowflake-proxy!5) - review lektor based bridgedb (bridgedb!31) Next week: - document circumvention settings API (bridgedb#40043) - ignore the running flag if all bridges doesn't have it (rdsys#102)

Shelikhoo: 2022-03-31 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 - [Merge Request Review] Add a telegram distributor - [Merge Request Review] The assignments.log is now produced by rdsys Next Week: - [Coding] Distributed Snowflake Bridges - Broker(continue)

Itchy Onion: 2022-03-31 Last week: - onboarding - s28 virtual site meeting - worked on a small snowflake MR !83 This week: - worked on https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... - read s28 wikis (finally got all the required access on Tuesday) - read/experiment with testing snowflake locally Next week: - familiarize with the s28 process (build plugin binary, upload it, then test it with Rib) - familiarize with snowflake codebase (there is another issue assigned to me) - get better at testing snowflake Help with: - likely need help with s28 and testing snowflake locally. Let's see.

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