[tor-project] Anti-censorship team meeting notes, 2022-03-31

meskio meskio at torproject.org
Thu Mar 31 16:32:33 UTC 2022

Hey everyone!

Here are our meeting logs:


And our meeting pad:

Anti-censorship work meeting pad

Next meeting: Thursday April 7th 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 ==


== Discussion ==

	* merge requests get assigned automatically for snowflake, rdsys and bridgedb repos by a bot
	* the hardware for the new snowflake bridge is expected to arrive tomorrow
		* dcf will install it
	* the telegram bot is in process to get integrated into rdsys
		* the remining question is how to keep the bridge quality
		* https://gitlab.torproject.org/tpo/anti-censorship/rdsys/-/issues/101
	* the hosting Hosting Centralized Probe Log Collection Server on TPA managed VPS thing is progressing right now 
		* https://gitlab.torproject.org/tpo/tpa/team/-/issues/40661#note_2792420

== Actions ==

== Interesting links ==


== Reading group ==

	* We will discuss "Balboa: Bobbing and Weaving around Network Censorship" on April 7
		* https://www.usenix.org/system/files/sec21-rosen.pdf
		* https://censorbib.nymity.ch/#Rosen2021a
		* 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 ==

    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 2022-03-31
Last week:
    - onboarded itchy onion onto s28 tasks
    - reviews
    - work on conjure PT
This week:
    - continued work on conjure PT
    - continue to monitor snowflake broker stats
Needs help with:

dcf: 2022-03-31
	Last week:
		- further review of forward-fingerprint patch https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/81#note_2791005
		- posted summary of performance observations on the interim snowflake bridge and a curious phenomenon with descriptors not all being published https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40110#note_2791036
		- corresponded on OTF rapid response grant application for snowflake bridge funding
		- sent some information to OONI about snowflake for their torsf test
	Next week:
		- approve last piece of forward-fingerprint patch https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/81
		- install snowflake bridge on linus's new server https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40111
		- install snowflake bridge on another new server, with a different bridge fingerprint, so it is ready for multiple-bridge testing https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/28651
	Help with:

agix: 2021-02-10
	Last week:
		- Continued work on gettor-twitter
		Next week:
		- Hopefully finish the task
	Help with:

arlolra: 2022-03-31
	Last week:
		- Revised !81 and merged some of it
	Next week:
		- Figure out where in pion/webrtc ALPN should be configured and used
		- Maybe add Chacha20Poly1305 to pion/dtls
	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: 2022-03-31
	Last week:
			- telegram bot into rdsys (rdsys#77)
			- circumvention settings gives the full list of default bridges now (rdsys#100)
			- document settings and telegram distributors in bridges.tpo/info (bridgedb#40046)
			- select new bridges for probetest (team#77)
			- review docker snowflake-proxy using go 1.18 (docker-snowflake-proxy!5)
			- review lektor based bridgedb (bridgedb!31)
	Next week:
			- document circumvention settings API (bridgedb#40043)
			- ignore the running flag if all bridges doesn't have it (rdsys#102)

Shelikhoo: 2022-03-31
   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]Bridges should report implementation versions of their pluggable transports
		  - [Coding] Add SOCKS5 forward proxy support to snowflake (snowflake!64) - built-in DNS
		  - [Coding] Distributed Snowflake Bridges - Broker
       - [Merge Request Review] Add a telegram distributor 
       - [Merge Request Review] The assignments.log is now produced by rdsys 
   Next Week:
       - [Coding] Distributed Snowflake Bridges - Broker(continue)

Itchy Onion: 2022-03-31
    Last week:
        - onboarding
        - s28 virtual site meeting
        - worked on a small snowflake MR !83
    This week:
        - worked on https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/84
        - read s28 wikis (finally got all the required access on Tuesday)
        - read/experiment with testing snowflake locally
    Next week:
        - familiarize with the s28 process (build plugin binary, upload it, then test it with Rib)
        - familiarize with snowflake codebase (there is another issue assigned to me)
        - get better at testing snowflake
    Help with:
	     - likely need help with s28 and testing snowflake locally. Let's see.

HackerNCoder: 2021-12-16
This week:
        Setup web mirror on tor.encryptionin.space
        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

meskio | https://meskio.net/
 My contact info: https://meskio.net/crypto.txt
Nos vamos a Croatan.
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