[tor-project] Anti-censorship team meeting notes, 2022-04-14

Shelikhoo shelikhoo at torproject.org
Thu Apr 14 17:19:24 UTC 2022


Hey everyone!

Here are our meeting logs:
http://meetbot.debian.net/tor-meeting/2022/tor-meeting.2022-04-14-15.59.html

And our meeting pad:

Anti-censorship work meeting pad
--------------------------------

Next meeting: Thursday April 21th 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?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 ==

	* Roger is working on a Defcon talk submission, around the Russia censorship thing. Soon it will be ready for internal feedback and then we'll submit it. (https://gitlab.torproject.org/tpo/anti-censorship/team/-/issues/73)

== Discussion ==

	* [Distributed Snowflake Server Support](https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40129) is ready for testing
		* A testing Broker will be setup
		* A secondary Bridge from dcf will be used for testing
		* Once testing is concluded, get help from other orgs to run other secondary snowflake bridges(like in Asia)
		* shelikhoo will create a ticket for an automated bridge setup system

== Actions ==

	*

== Interesting links ==

	* https://ntc.party/t/reported-shutdown-in-turkmenistan-2022-04-11/2224
		* Seems to be over now https://twitter.com/CloudflareRadar/status/1513907409579876360 https://radar.cloudflare.com/tm

== Reading group ==

	* We will discuss "Blocking of HTTP/3 (QUIC) in Russia" on Apr/28th/2022
		* https://github.com/net4people/bbs/issues/108
		* 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 2022-04-14
Last week:
     - moved tor-specific snowflake code out of client library (snowflake#40124)
         - merge request: snowflake!85
     - bump version of webrtc dependency (snowflake#40127)
         - merge request: snowflake!86
     - commented on snowflake web workflow (snowflake#40125)
     - opened issue to bump version of snowflake and webrtc in tor browser (tor-browser-build#40474)
     - work on conjure test environment setup
This week:
     - continued work on conjure PT
     - continue snowflake maintenance tasks
Needs help with:

dcf: 2022-04-14
	Last week:
		- monitored the transition of the snowflake bridge to its new server https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40111#note_2795523
	Next week:
		- look at STATUS VERSION proposal https://gitlab.torproject.org/tpo/core/torspec/-/merge_requests/63
		- install second snowflake bridge site https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40122
	Help with:

agix: 2021-02-10
	Last week:
		- Continued work on gettor-twitter
		Next week:
		- Hopefully finish the task
	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: 2022-04-07
	Last week:
			- document circumvention settings API (bridgedb#40043)
			- accept bridge distributor request changes (rdsys#104)
			- investigate bridgestrap reporting odd timing (tor#40592)
			- review cross compile docker snowflake-proxy (docker-snowflake-proxy!6)
	Next week:
			AFK

Shelikhoo: 2022-04-14
    Last Week:
		- [Merge Request Awaiting] Add SOCKS5 forward proxy support to snowflake (snowflake!64)
		- [Coding & Deployment] Proposal: Centralized Probe Result Collector (anti-censorship/team#54)
		- [Discussion] Centralized Probe Log Collection Ascension Request
		- [Discussion] Hosting Centralized Probe Log Collection Server on TPA managed VPS
		- [Discussion] Proposal: Support for Dynamic IP obfs4 bridges with unattended proxy information update(aka "Subscription")
		- [Discussion+Coding] Support Automatic Bridge Info update(shelikhoo/LogCollectorAncillary#1)
		- [Discussion+Coding] Remove Inactive Bridge from Test Result(shelikhoo/LogCollectorAncillary#2)
		- [Coding] Distributed Snowflake Bridges - Broker
		- [Coding] Distributed Snowflake Bridges Testing Environment - Dockerlized
    Next Week:
		- [Coding] Distributed Snowflake Bridges (continue)
		- [Deployment] Distributed Snowflake Bridges Testing Broker

Itchy Onion: 2022-04-14
     Last week:
         - pair programming with Cecylia on the general workflow for updating racecar plugin
         - resolving a compatible issue introduced in racecar 2.1.0

     This week:
         - continue working on racecar 2.1.0 (need to rebase snowflake)
         - set up LDAP



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

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:
		-

ln5: 2022-03-24
   Last week:
       - Received hardware for a new home for snowflake.tpn; discussed OS configuration with dcf in private email
   Next week:
       - Install Debian 11 on new snowflake.tpn
       - Possibly rack new snowflake.tpn, if I can get access and find time to do the transportation
   Need help with:
       - Input on urgency appreciated, for my planning
       - Input on preferred CPU configuration, esp wrt HyperThreading -- lacking input  before deployment in data centre, the machine will *not* have HT disabled and CPU bug mitigation will thus have to be carried out by the kernel

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