Hi everyone!
Here are our meeting logs:
http://meetbot.debian.net/tor-meeting/2021/tor-meeting.2021-12-16-15.59.html
and our meeting pad:
Anti-censorship work meeting pad --------------------------------
Next meeting: Thursday January 6th 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 30
https://gitlab.torproject.org/groups/tpo/-/milestones/4
https://gitlab.torproject.org/groups/tpo/-/milestones/7
https://gitlab.torproject.org/groups/tpo/-/milestones/5
https://gitlab.torproject.org/groups/tpo/-/milestones/6
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%...
== Announcements ==
New default bridge in TorBrowser: https://metrics.torproject.org/rs.html#details/3D98E4E19BDBBF2047DDAC7892B39...
== Discussion ==
Current status in Russia
meek-azure now unblocked?
seems to be working https://ntc.party/t/ooni-reports-of-tor-blocking-in-certain-isps-since-2021-...
Moat is no longer distributing old bridges in Russia
https://gitlab.torproject.org/tpo/anti-censorship/team/-/issues/47#note_2766...
The new Telegram bot's bridges were all blocked but one
we need more mirrors of *.torproject.org as they get blocked
snowflake bridge has doubled its clients https://metrics.torproject.org/rs.html#details/5481936581E23D2D178105D44DB69...
the DTLS fingerprint fix seems to work
The new bridge obfs4 deusexmachina is already blocked (from 11.0.2, released 2021-12-08)
There is an article saying that an organization is petitioning to have Tor Browser removed from the Google and Apple app stores in Russia
https://m.gazeta.ru/social/news/2021/12/14/n_17011309.shtml
Further Snowflake fingerprint fixes
anyone working on adding ALPN support to DTLS Client Hello? https://github.com/pion/dtls/issues/408
dcf will upgrade the standalone proxies we operate
meskio will upgrade the docker image
need updates for the debian package and freebsd port as well
next meeting Thursday 6 January 2022
we have now 2k bridges https://metrics.torproject.org/networksize.html?start=2017-09-17&end=202...
== Actions ==
== Interesting links ==
https://eyedeekay.github.io/blizzard/
Snowflake proxy plugin for I2P
== Reading group ==
We will discuss "Meteor: Cryptographically Secure Steganography for Realistic Distributions" on 2022-01-??
https://dl.acm.org/doi/10.1145/3460120.3484550
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 2021-12-09 Last week: - preliminary dump of snowflake shadow simulation scripts (needs more documentation and cleanup) - https://gitlab.torproject.org/cohosh/snowflake-simulation - hooked up our reachability measurements to grafana - s28 PI meeting - handled snowflake probe test outage (responded to alert) - snowflake DTLS fingerprinting fixes - DTLS fix: https://github.com/pion/dtls/pull/407 - Tor Browser MR: https://gitlab.torproject.org/tpo/applications/tor-browser-build/-/merge_req... - bump version of Snowflake in Tor Browser - https://gitlab.torproject.org/tpo/applications/tor-browser-build/-/merge_req... This week: - finish documenting and cleaning up shadow simulation scripts - use these snowflake + shadow scripts to do more performance testing - ensure everything is in place for end of phase II for s28 - https://gitlab.torproject.org/tpo/anti-censorship/team/-/milestones/1 - follow up on Snowflake DTLS fingerprinting work Needs help with:
arlolra: 2021-08-12
Last week:
- Migrate to v3 of the webextension manifest
Next week:
- Maybe get back to snowflake-webext #10
- Write up the pitch for our use case for supporting creating PeerConnections in background service workers https://github.com/w3c/webrtc-extensions/issues/77
Help with:
-
dcf: 2021-12-16
Last week:
- had a talk about push notifications https://gitlab.torproject.org/tpo/anti-censorship/team/-/issues/45
- posted an analysis of the quantity of BridgeDB captcha images https://lists.torproject.org/pipermail/anti-censorship-team/2021-December/th...
Next week:
- upgrade standalone snowflake proxies for the new DTLS fingerprint
Help with:
agix:2021-11-25
Last week:
- More work on gettor for twitter
Next week:
- Continue to work on gettor-twitter
Help with:
-
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:
-
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: 2021-12-16
Last week:
- russia censorship fires
- rotate blocked bridges in telegram bot
- implement BridgeDB country bridge blocklist and block nonworking moat bridges in russia (team#47)
- review BridgeDB mock clean up (bridgedb!29)
- review docker-obfs4-bridge change the nickname (docker-obfs4-bridge!6)
- merge docker-snowflake-proxy improvements (docker-snowflake-proxy!3)
- DRL implementors meeting
Next week:
- metrics bridge distributor metrics for rdsys (rdsys#67)
Shelikhoo: 2021-12-16 Last Week: - [Merge Request Awaiting] Add SOCKS5 forward proxy support to snowflake(snowflake!64) - [Merge Request Awaiting] Multi-arch docker image support with Dockerfile refactor for probetest(probetest!1) - [Merge Request] Add Google backend support for gettor updater - [Merge Request] Add callbacks in the client for key events during snowflake connections(snowflake#40076) - [Merge Request Review] Default to the main branch and cache go modules
- [Investigate] Random Like Stream Blocking on Certain IDC from gfw_report
- [Investigate] Implement metrics to measure snowflake churn(snowflake#34075)
- [Investigate] [Russia] Some ISPs are blocking Tor
- [Discussion] Proposal: Support for Dynamic IP obfs4 bridges with unattended proxy information update(aka "Subscription")
- [Discussion] Implement metrics to measure snowflake churn(snowflake#34075)
- [Discussion] Proposal: Push Notification Based Signaling Channel
- [Discussion] Proposal: HTTP(S) Download Test(bridgestrap#30)
Next Week: - [Discussion] Designing the Container Layout for rdsys - [Discussion] Proposal: Support for Dynamic IP obfs4 bridges with unattended proxy information update(aka "Subscription") - [Discussion] Implement metrics to measure snowflake churn(snowflake#34075) - [Discussion] Proposal: Push Notification Based Signaling Channel - [Investigate] rdsys Deployment Environment
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