[tor-project] Anti-censorship team meeting notes, 2023-03-23
Itchy Onion
itchyonion0518 at protonmail.com
Thu Mar 23 18:58:53 UTC 2023
Hey everyone!
Here are our meeting logs:
http://meetbot.debian.net/tor-meeting/2023/tor-meeting.2023-03-23-15.58.log.html
And our meeting pad: Anti-censorship work meeting pad
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- THIS IS A PUBLIC PAD
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Anti-censorship
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Next meeting: Thursday, March 23 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?scope=all&utf8=%E2%9C%93&state=opened&assignee_id=None
- 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 ==
- renovate bot to update dependencies on our projects
- https://gitlab.torproject.org/tpo/tpa/renovate-cron
- there have been complaints that some dependencies of snowflake are outdated
- https://github.com/tladesignz/IPtProxy/issues/45
- https://gitlab.torproject.org/tpo/anti-censorship/team/-/issues/122
- (x/net and x/crypto dependencies were incidentally updated in a recent pion update: https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/137, but not to the currently most recent version)
- currently being used in rdsys, could enable for other projects by request
== Actions ==
- update the x/net and x/crypt libraries in snowflake and obfs4
- https://gitlab.torproject.org/tpo/anti-censorship/team/-/issues/122
== Interesting links ==
- https://github.com/guardianproject/orbot/releases/tag/17.0.0-BETA-2-tor.0.4.7.11
- https://github.com/guardianproject/orbot/commit/c3f6ee18f17770a5904ad19c3cd24b9c8dcb3885#diff-6da94c8e7d86d1c396305c45d7ab2f787830efa8580d100aa10707c26011f288
- 2023-03-15 Orbot for Android v17 BETA 2 released with snowflake-02 bridge
- snowflake-02 metrics: https://metrics.torproject.org/rs.html#details/91DA221A149007D0FD9E5515F5786C3DD07E4BB0 (multiply by 12)
== 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 2023-03-23
Last week(s):
- Lox tor browser integration work in progress
- https://gitlab.torproject.org/tpo/anti-censorship/team/-/issues/116
- created a fork of wasm-bindgen that generates javascript bindings for the lox client that are compatible with internal browser modules
- looked into enabling wasm target for rust in tbb
- https://gitlab.torproject.org/tpo/applications/tor-browser-build/-/issues/40818
- Lox distributor work
- debugged some async problems with the rdsys-backend-api library
- helped set up new meek bridge for users in TM
This week:
- continue Lox tor browser integration
- catch up on snowflake-webext issues and MRs
Needs help with:
dcf: 2023-03-23
- Last week:
- - wrote up ideas about partially reliable and/or unordered WebRTC data channels in snowflake https://lists.torproject.org/pipermail/anti-censorship-team/2023-March/000286.html
- - wrote notes on RFC 8828 which gives guidance on handling private IP address ICE candidates https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/19026#note_2887175
- - wrote notes on STUN fingerprinting and STUN over DTLS (RFC 7350) https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40240#note_2888750
- - sketched a plan for providing bridge capacity for Turkmenistan https://gitlab.torproject.org/tpo/anti-censorship/censorship-analysis/-/issues/40029#note_2888125
- - wrote a merge request to fix a minor PT initialization bug in snowflake-server https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/143
- - made the necessary changes to make nf_conntrack changes persistent on the snowflake bridges, and restarted them both https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40259#note_2888175
- - contributed thoughts about how to share a pool of snowflake proxies with other circumvention projects
- Next week:
- - migrate goptlib to gitlab https://gitlab.torproject.org/tpo/anti-censorship/team/-/issues/86#note_2823122 (for real)
- - open issue to have snowflake-client log whenever KCPInErrors is nonzero https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40262#note_2886018
- - parent: https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40267
- Help with:
meskio: 2023-03-23
Last week:
- - explore how to add webtunnel to rdsys (rdsys#142)
- - add webtunnel support to bridgestrap (bridgestrap!15)
- - experiment with renovate bot in rdsys to update dependencies
- - apply to docker DSOS program (team#121)
- - rebase pt version spec (torspec!63)
Next week:
- - rdsys webtunnel support (rdsys#142)
Shelikhoo: 2023-03-16
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/-/issues/1
- - Upstreaming Remove HelloVerify countermeasure (https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40249)
- - Fix return nil error on unrecognized request http upgrade failure (https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/webtunnel/-/merge_requests/5)
- - consider propagating 2FA everywhere, maybe, at the April Tor Meeting (https://gitlab.torproject.org/tpo/tpa/team/-/issues/41083#note_2884138)
- - Resynchronization with Upsteamed Remove HelloVerify countermeasure (https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40258#note_2883726)
- - Comment on OnionShare Rebrand
- - Comment on S96 User Research Risk Assessment
- - Comment on Analysis of speed deficiency of Snowflake in China, 2023 Q1(https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40251)
- - Comment on enable Gitlab Container Registry( https://gitlab.torproject.org/tpo/tpa/gitlab/-/issues/89#note_2886693)
- - Add utls-imitate, utls-nosni doc to README (https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/139)
- - Review Assign an accepted bandwidth ratio to TBLinks(https://gitlab.torproject.org/tpo/anti-censorship/rdsys/-/merge_requests/78#note_2885745)
- - Review Proxy: add an option to bind to a specific address (https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/136#note_2885721)
Next Week:
- - [Research] WebTunnel planning (Continue)
- - Try to find a place to host another vantage point
- - Resynchronization with Upsteamed Remove HelloVerify countermeasure (https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40258#note_2883726)
- - consider propagating 2FA everywhere, maybe, at the April Tor Meeting (https://gitlab.torproject.org/tpo/tpa/team/-/issues/41083#note_2884138)
- - logcollector alter system
- - webtunnel document for proxy opertaor
-
onyinyang: 2023-03-23
Last week:
- Finished up most of the minimally working example of Lox server integration with rdsys
- - Identified and helped to debug async issues with rdsys-backend-api stream
- - Added more helpful comments/error handling and graceful shutdown
- https://gitlab.torproject.org/tpo/anti-censorship/lox/lox-distributor/-/merge_requests/1
-
This week:
- Finish up the handling of changed resources in the Lox library
- - Improve client side handling of BridgeLines?
- - Discuss next steps with cohosh
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
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