[tor-project] Anti-censorship team meeting notes, 2022-12-08
Shelikhoo
shelikhoo at torproject.org
Thu Dec 8 18:42:41 UTC 2022
Hey everyone!
Here are our meeting logs:
http://meetbot.debian.net/tor-meeting/2022/tor-meeting.2022-12-08-15.58.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 15 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 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 ==
* Cece is the new Outreachy intern working on Rdsys (adding a new
social media platform) until March 5th! Please welcome her to the team!
* No meetings December 29 neither January 5. We'll be AFK Dec 22 -
Jan 7
* Tor Browser 12.0 has the snowflake-02 bridge
* https://blog.torproject.org/new-release-tor-browser-120/
*
https://metrics.torproject.org/rs.html#details/91DA221A149007D0FD9E5515F5786C3DD07E4BB0
== Discussion ==
* snowflake-02 is live in TB 12
* not in Orbot yet
* plan to see how things go in Tor Browser, bring it up with
Orbot in sponsor 96 meeting in January 2023
* make obfs4 distinguishability reports public?
*
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/obfs4/-/issues/40007
*
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/obfs4/-/issues/40008
*
https://gitlab.torproject.org/tpo/anti-censorship/team/-/issues/91
* we were waiting for a threshold of 50% of bridges to upgrade
* some emails to gmail.com in the last batch of notifications
bounced
(https://lists.torproject.org/pipermail/tor-project/2022-December/003519.html)
* we'll send one more batch of notifications, then plan to make
public after the break on 2023-01-09
* does ajax.aspnetcdn.com still work in turkmenistan??
* it might be working, and we only use it for meek
* snowflake uses cdn.sstatic.net
* curl and dig tests are not showing injection for
ajax.aspnetcdn.com nor cdn.sstatic.net from outside
(https://github.com/net4people/bbs/issues/80#issuecomment-906533865)
* rwails and NRL working on a new pluggable transport
* any compatibility issues between C-tor and Arti? probably not.
* how to run a PT in arti:
https://gitlab.torproject.org/tpo/core/arti/-/issues/333
== Actions ==
== Interesting links ==
* https://ntc.party/t/ajax-aspnetcdn-com/3571
* Reported block of ajax.aspnetcdn.com in Russia, by TSPU,
since mid-November?
*
https://explorer.ooni.org/chart/mat?probe_cc=RU&test_name=web_connectivity&domain=ajax.aspnetcdn.com&since=2022-11-07&until=2022-12-07&axis_x=measurement_start_day
== 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 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: 2022-12-08
Last week:
- disabled non-WireGuard SSH access to snowflake-02
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40122
- merged some snowflake-server performance improvements, thanks
itchyonion
-
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/115
-
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/118
- asked to have snowflake-01's other IP addresses excepted in
DDoS mitigation scripts
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40223#note_2859420
Next week:
- performance tuning on snowflake-02 bridge
- make obfs4 distinguishability reports public
-
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/obfs4/-/issues/40007
-
https://gitlab.torproject.org/tpo/anti-censorship/team/-/issues/91
- document recent performance optimizations in Snowflake bridge
installation guide
- have snowflake-02's outgoing IP address added to DDoS
mitigation scripts
- make the number of KCP state machines a command-line option
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/119
- migrate goptlib to gitlab
https://gitlab.torproject.org/tpo/anti-censorship/team/-/issues/86#note_2823122
- try Conjure PT development version
https://forum.torproject.net/t/tor-dev-introducing-a-conjure-pt-for-tor/4429
Help with:
meskio: 2022-12-08
Last week:
- update gettor/onionsproutsbot for the Tor Browser release
- investigate why systemd freezes onionsproutsbot
(onionsproutsbot#47)
- some bridges appear offline in metrics.tpo (team#112)
- support onbasca attempts to test bridge speed (onbasca#130)
- onboard our outreachy intern
- review merge request to use a different network on docker
bridge images (docker-obfs4-proxy!10)
Next week:
- add localization support to rdsys
Shelikhoo: 2022-12-08
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/-/issues/1
- [Merge Request Done] Get Webtunnel to build together with tor
browser
- [Merge Request Done] fix "utls RoundTripper does not work
when it is supposed to use HTTP/1"
Next Week:
- [Research] WebTunnel planning (Continue)
- [Coding] More Reliable Raw Log Upload For log collector
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
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