[tor-project] Anti-censorship team meeting notes, 2022-5-12
Shelikhoo
shelikhoo at torproject.org
Thu May 12 17:12:29 UTC 2022
Hey everyone!
Here are our meeting logs:
http://meetbot.debian.net/tor-meeting/2022/tor-meeting.2022-05-12-15.58.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 May 19th 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 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?scope=all&utf8=%E2%9C%93&state=opened&assignee_id=None
* 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%93&state=opened&label_name%5b%5d=Sponsor%2028&milestone_title=None
* Sponsor 96
* https://gitlab.torproject.org/groups/tpo/-/milestones/24
== Announcements ==
*
== Discussion ==
* Snowflake doesn't work in Russia (connection failure by timeout)
* there are some anomalies in OONI for RU, but they are not
higher than some coutries like CA
* most of snowflake users are comming from Russia, it works at
least for some
* stunreachability measurements show 3 (of 12) STUN servers
inaccessible in Russia, 2 blocked by Russian ISPs, 1 possibly
geoblocking of users in Russia
*
https://explorer.ooni.org/chart/mat?probe_cc=RU&test_name=stunreachability&since=2022-02-01&until=2022-05-13&axis_x=measurement_start_day&axis_y=domain
* flakey bridge-stats still show plenty of connections from
Russia today
* whoever added this discussion item is not here to supply more
details
* Moat gives blocklisted(ru) bridges in Russia (e.g.
https://metrics.torproject.org/rs.html#details/1807BF9A521468998385F179DDBF928D2482A62C)
* meskio will investigate it
== Actions ==
*
== Interesting links ==
*
== Reading group ==
* We will discuss "Understanding the Impact of Encrypted DNS on
Internet Censorship, ACM WWW 2021" on May 19th, 2022
* https://shhaos.github.io/papers/www21-DoE.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.
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/-/merge_requests/1
cecylia (cohosh): last updated 2022-05-12
Last week:
- work on conjure PT
- review of Distributed snowflake server support (snowflake!87)
This week:
- continue work on conjure PT
- continue snowflake maintenance tasks
Needs help with:
dcf: 2022-05-12
Last week:
- started to look at OONI stunreachability measurements from Russia
Next week:
- look at STATUS VERSION proposal
https://gitlab.torproject.org/tpo/core/torspec/-/merge_requests/63
- set up access control on the snowflake-02 bridge
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40122#note_2797271
- write up observations on OONI stunreachability measurements
from Russia
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/snowflake/-/issues/40014#note_2764731
Help with:
-
maxb: 2021-09-23
Last week:
- Worked on
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40054
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: 2022-05-12
Last week:
- add location to circumvention settings (rdsys#108)
- use a worker to write telegram metrics (rdsys!39)
- deploy a test setup for dynamic bridges updates API
(rdsys#98)
- prepare demhack.ru hackathon challenge (team#61)
- configure our mergerequest assignments bot so cohosh only
gets snowflake ones (TriageOps!8)
Next week:
- rethink distributor retries to the rdsys backend (rdsys#99)
- use systemd to run bridgedb (team#72)
Shelikhoo: 2022-05-12
Last Week:
- [Merge Request] Add Distributed Snowflake Server Support
(snowflake!87)
- [Merge Request Awaiting] Add SOCKS5 forward proxy support to
snowflake (snowflake!64)
- [Merge Request Review] Telegram distributor hands both new
and old bridges to old accounts (snowflake!37)
- [Research & Coding] WebSocket + CDN Based Probe Control
Connection Forwarder (shelikhoo/LogCollectorAncillary#3)
- [Coding & Deployment] Proposal: Centralized Probe Result
Collector (anti-censorship/team#54)
- [Discussion] Opening 8443 port on probetelemetry-01@ for
V2Ray Websocket Connection Inbound (continue)
Next Week:
- [Coding] Distributed Snowflake Bridges (continue)
- [Merge Request] Add Distributed Snowflake Server Support
(snowflake!87)
- [Coding & Deployment] Proposal: Centralized Probe Result
Collector (anti-censorship/team#54)
- [Research & Coding & Coding] WebSocket + CDN Based Probe
Control Connection Forwarder (shelikhoo/LogCollectorAncillary#3)
- [Research & Coding] Implement metrics to measure snowflake
churn
(https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/34075)
Itchy Onion: 2022-05-12
Last week:
- prepared for Georgetown meeting (read code/docs about snowflake)
This week:
- audit PI meeting
- working on the snowflake issues assigned to me
- review MRs assigned to me
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
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