Hey everyone!

Here are our meeting logs: http://meetbot.debian.net/tor-meeting/2022/tor-meeting.2022-11-24-15.58.html 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 Dec 01 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 check-in about the status of anti-censorship work at Tor. Coordinate collaboration between people/teams on anti-censorship at the Tor Project and Tor community.

== 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 ==

(OLD)     * security policy         * https://gitlab.torproject.org/tpo/core/team/-/wikis/NetworkTeam/SecurityPoli...         * we are working on a project wide security policy on how to handle security issues         * the starting point is the NetworkTeam security policy, and from ACT we'll try to propose changes to addapt it to our needs.     * domain fronting deprecation in azure         * https://gitlab.torproject.org/tpo/anti-censorship/team/-/issues/33#note_2853...         * azure is going to block all domain front traffic after Nov 8 2023         * we only use it for meek         * we'll discuss 6 months before the block if we can deprecate meek or need to find an alternative (NEW)    [We exchanged the current progress and difficulty. The meeting summarily closed.] == Actions ==

== Interesting links ==

* https://news.ycombinator.com/item?id=33573477         * "It's been many years, and I am still angry and disappointed by Cloudflare's decision to block domain fronting and drop Lantern as a customer..."     * https://github.com/aleixrodriala/wa-tunnel         * HTTP Tunneling through WhatsApp

== Reading group ==

* We will discuss "Measuring DoT/DoH Blocking Using OONI Probe: a Preliminary Study" on Dec 1         * https://www.ndss-symposium.org/ndss-paper/auto-draft-123/         * https://www.ndss-symposium.org/wp-content/uploads/dnspriv21-02-paper.pdf         * 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 2022-11-24     Last week:         - wrote a fix to make go fmt CI more verbose (snowflake!122)     This week:         - continue work on conjure client         - more work on reputation-based bridge dist         - fixup snowflake!108     Needs help with:

dcf: 2022-11-23     Last week:         - reviewed merge request to make `go fmt` errors in CI more obvious https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf...     Next week:         - disable non-WireGuard SSH access to snowflake-02 https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf...         - migrate goptlib to gitlab https://gitlab.torproject.org/tpo/anti-censorship/team/-/issues/86#note_2823...         - try Conjure PT development version https://forum.torproject.net/t/tor-dev-introducing-a-conjure-pt-for-tor/4429         - document recent performance optimizations in Snowflake bridge installation guide         - make the number of KCP state machines a command-line option https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf...     Help with:         - review of remaining snowflake-server performance improvements             - https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf...             - https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf...

meskio: 2022-11-17    Last week:        - send a reminderder? to all bridge operators to upgrade obfs4        - fail to deploy a new version of OnionSproutsBot and roll back        - investigate gettor freeze (rdsys#129)        - update snowflake (2.3.1) package in debian (snowflake#40233)        - add circumvention settings for AE (team#106)        - many merge requests reviews in rdsys and snowflake        - work with TAILS to find a qr code setup that works for them in BridgeDB    Next week:        - check if we are distributing blocked bridges in moat (rdsys#80)        - investigate gettor freeze (rdsys#129)

Shelikhoo: 2022-11-24    Last Week:         - [Merge Request Awaiting] Add SOCKS5 forward proxy support to snowflake (snowflake!64)         - [Discussion & Deployment] Rollout of Distributed Snowflake Support         - [Coding & Deployment] Proposal: Centralized Probe Result Collector (anti-censorship/team#54)         - [Research] HTTPT Planning https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/httpt...         - [Research] Censorship analysis for UDP traffic between Iran and rest of Internet: 2022 Q4: https://gitlab.torproject.org/tpo/anti-censorship/censorship- analysis/-/issues/40036         - [Merge Request] Add Version Output Support to Snowflake (This also shows utls client hello names) https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... (Continue)         - [Coding] Get Webtunnel to build together with tor browser         - Reviewed a lot of merge requests    Next Week:         - [Research] WebTunnel planning (Continue)         - [Research] Fix vantage point summary upload in China         - [Coding] Get Webtunnel to build together with tor browser(Continue)         - [Coding] fix "utls RoundTripper does not work when it is supposed to use HTTP/1" https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf...      - Finish all the reviews (cont)

Itchy Onion: 2022-11-24     Last week:       - continue working on snowflake in RACE; it passes one of the integration tests, but fails the second one with heavier load       - worked on "Abbreviate `ice` list in bridge lines" (interruptted by RACE test results)

This week:       - continue working on snowflake in RACE; trying to cut down the number of times snowflake peers establish connection bc it's expensive (right now multiple connections are needed for messages between the same hosts)       - review some MRs