Re: [tor-project] Anti-censorship team meeting notes, 2023-03-30

On Thu, Mar 30, 2023, 1:37 p.m. meskio meskio@torproject.org wrote:

Hey everyone!

Here are our meeting logs:

http://meetbot.debian.net/tor-meeting/2023/tor-meeting.2023-03-23-15.58.log....

http://meetbot.debian.net/tor-meeting/2023/tor-meeting.2023-03-30-15.58.log....

And our meeting pad:

Anti-censorship

Next meeting: Thursday, April 6 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 96 * https://gitlab.torproject.org/groups/tpo/-/milestones/24 * Sponsor 139 <-- hackerncoder, irl, joydeep, meskio, emmapeel working on it * https://pad.riseup.net/p/sponsor139-meeting-pad

== Announcements ==

== Discussion ==

    * merge requests in the snowflake webextension might stay months

without review * https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... * should we add it to triage bot? who should be in the pool of reviewers? * yes, meskio will configure triagebot to auto asign reviews to: cohosh, shelikhoo and meskio

    * Update on Analysis of speed deficiency of Snowflake in China,

2023 Q1 https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... * after a lot of research the proposed solution is to enable datagram transport on webrtc to deal with the packet loss situation * that will convert webrtc into an unreliable channel, and snowflake will add reliablity with kcp

== Actions ==

== Interesting links ==

    *

== 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 2023-03-30 Last week: - enabled wasm target for rust in tor-browser-build - https://gitlab.torproject.org/tpo/applications/tor-browser-build/-/issues/40... - helped debug blocking of Snowflake in TM - https://gitlab.torproject.org/tpo/anti-censorship/censorship-analysis/-/issu... - discussed the problem of deciding whether a bridge is blocked or not - took a look at memory issues for the Snowflake proxy - https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... This week: - Lox tor browser integration - fix conjure issues found by code audit Needs help with:

dcf: 2023-03-30 Last week: - found a bug in snowflake-webext that causes it not to report client_ip since June 2022 https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf..., and made a merge request to fix it https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... Next week: - migrate goptlib to gitlab https://gitlab.torproject.org/tpo/anti-censorship/team/-/issues/86#note_2823... (for real) - open issue to have snowflake-client log whenever KCPInErrors is nonzero https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... - parent: https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... Help with: - review of snowflake-server ListenAndServe error check fix https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf...

meskio: 2023-03-30 Last week: - deploy bridgestrap with webtunnel support - modify bridgedb to distribute webtunnel bridges on the https distributor - keep up with the renovate bot and it's merge requests in rdsys - add an alert for >20% rejecte bridges by bandwidth ratio - raise the bandwidth ratio threashold to 0.9 (was 0.75) - display the 'blocked in' locations in the bridge status page (rdsys!95) Next week: - AFK time

Shelikhoo: 2023-03-30 Last Week: - [Merge Request Awaiting] Add SOCKS5 forward proxy support to snowflake (snowflake!64) - [Research] HTTPT Planning https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/httpt... - logcollector alert system - Update on Analysis of speed deficiency of Snowflake in China, 2023 Q1 https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... Next Week: - [Research] WebTunnel planning (Continue) - Try to find a place to host another vantage point - container image for webtunnel - consider propagating 2FA everywhere, maybe, at the April Tor Meeting ( https://gitlab.torproject.org/tpo/tpa/team/-/issues/41083#note_2884138) - logcollector altert system - webtunnel document for proxy opertaor

onyinyang: 2023-03-30 Last week: - Finished up the handling of changed resources in the Lox library - Added some wiki documentation to Lox overview repo: https://gitlab.torproject.org/tpo/anti-censorship/lox/lox-overview/-/wikis/h... - Tried testing changed/gone resources in rdsys (mostly familiarizing myself with rdsys code) - Considered how to sync Lox bridgetable for each rdsys update of new bridges This week: - Figure out how to test changed/gone resources and ensure the rdsys backend api is behaving as expected for handling updates from rdsys - Start implementing a function in lox distributor/lox library to handle syncing of Lox bridgetable Needs help with: - Expected behaviour of rdsys on update of bridges: e.g., where all changes to bridge descriptors are recorded (i.e., networkstatus-bridges, bridge-descriptors, cached-extrainfo files), which of these trigger updates from rdsys,and how _should_ the distributor be responding (if it's working as expected)

Itchy Onion: 2023-03-22 Last week: - Closed #40252 (NAT probetest for standalone proxy) - Closed #40265 (mac user reporting standalone proxy complaning about broker cert) - Worked on #40231 (Client sometimes send offer with no ICE candidates)

This week:
 - Tested and created a potential broker security issue (#40266)
            - Stil working on #40231 -- validate SDP contains

candidate at the "/client" and "/answer" endpoints broke almsot all of the unit tests

hackerncoder: 2023-03-09 last week: Next week: - getting ooni-exporter to work with torsf (snowflake) - ooni-exporter web_connectivity - work on "bridgetester"? - how does Iran block bridges

cece: 2022-12-22 This week: - working on creating a dummy WhatsApp bot Next week: - My bot is not yet working as expected s? still trying to figure that out Help with: - resources

-- meskio | https://meskio.net/ -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- My contact info: https://meskio.net/crypto.txt -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Nos vamos a Croatan._______________________________________________ tor-project mailing list tor-project@lists.torproject.org https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-project