Hey everyone!

Here are our meeting logs: http://meetbot.debian.net/tor-meeting/2022/tor-meeting.2022-09-22-15.58.html

And our meeting pad:

Anti-censorship work meeting pad

--------------------------------

Next meeting: Thursday Sept 29 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?sc...         * 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%...         * Sponsor 96             * https://gitlab.torproject.org/groups/tpo/-/milestones/24

== Announcements ==

*

== Discussion ==

* snowflake-01 bridge running into resource limitations         * need to increase number of tor instances at least         * https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf...         * also running into other resource limitations: CPU cannot be increased much more, and snowflake-server is periodically restarting due to a lack of memory             * the snowflake-01 bridge is one of the largest relays in the network. compare to https://metrics.torproject.org/rs.html#toprelays. snowflake-01 had 72 MB/s average throughout August 2022, so it is right up there with the top relays.             * tried in the past to decrease resource requirements of snowflake-server, without much results https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf...                 * will at least recompile snowflake-server with a recent golang compiler when redeploying this time         * what about making snowflake the default recommendation in Iran? https://gitlab.torproject.org/tpo/anti-censorship/rdsys/-/issues/119             * possible, but there are still concerns about load at the bridge         * how close are we to being able to start using the snowflake-02 bridge? https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf...             * will be necessary soon, because snowflake-01 cannot scale forever             * the limiting factor at this point is the number of proxies that multi-bridge aware             * only about 30% of available proxies are multi-bridge aware             * is 30% sufficient for current client demand?             * most proxies are browser add-ons, which should automatically update                 * shelikhoo will investigate why such a large fraction of proxies have not updated             * does connection assist help with getting clients to use a second bridge, or does it require a new Tor Browser release?                 * connection assist likely does not help, since old clients will not know how to send the bridge fingerprint they want to the broker -- if they use the -02 fingerprint but do not tell the broker that, the broker will connect them with the -01 bridge, and the connection will fail     * Gettor Telegram Bot down. Fix deployed         * increase in user result in hit Telegram API Limit         * Fix deployed to restore it to working state     * Community Team developed a guide for IR circumvention         * https://forum.torproject.net/t/iran-circumventing-censorship-with-tor/4590         * currently awaiting translation

== Actions ==

== Interesting links ==

== 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 2022-09-08     Last week:     - took a look at Snowflake mDNS issue (snowflake#40123)     - worked on Snowflake manifest v3 webextension fixes (snowflake-webext#29)     This week:     - Snowflake web extension v3 manifest         - usability improvements to chrome badge helper         - finish updating Firefox extension to mv3     - a few quality of life conjure issues         - https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/conju...     Needs help with:

dcf: 2022-09-22     Last week:         - snowflake CDN bookkeeping https://gitlab.torproject.org/tpo/anti-censorship/team/-/wikis/Snowflake-cos...         - submitted merge request to change the format of placeholder pluggable transport addresses to work with FascistFirewall, ReachableAddresses https://gitlab.torproject.org/tpo/applications/tor-browser-build/-/issues/40...         - investigated recent increased usage of snowflake and opened issue to increase the number of tor instances https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf...     Next week:         - increase number of tor instances on snowflake-01 bridge https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf...         - disable non-WireGuard SSH access to snowflake-02         - migrate goptlib to gitlab https://gitlab.torproject.org/tpo/anti-censorship/team/-/issues/86#note_2823...         - try Conjure PT development version https://forum.torproject.net/t/tor-dev-introducing-a-conjure-pt-for-tor/4429     Help with:

meskio: 2022-09-08    Last week:        - plan obfs4proxy 0.0.14 update (obfs4#40008)        - package obfs4proxy 0.0.14 for debian        - test obfs4proxy backward compatibility        - rdsys-gettor is deployed, planning for the final switch        - deploy more BridgeDB fixes        - submit a project proposal for Outreachy    Next week:        - deploy rdsys-gettor        - fix language issues in BridgeDB (bridgedb#40056)

Shelikhoo: 2022-09-22    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...         - In Person Meetup!         - [Research] Log Collector Performance Collection (Bootstrap time)         - Write Survival Guide For Log Collector https://gitlab.torproject.org/tpo/anti-censorship/team/-/wikis/Survival-Guid...         - [Deployment] Emergency fix for OnionSproutsBot https://gitlab.torproject.org/tpo/anti-censorship/gettor-project/onionsprout...    Next Week:         - [Research] WebTunnel Planning (Continue)         - Generate Charts for presention: https://gitlab.torproject.org/tpo/anti-censorship/team/-/issues/92#note_2836...

Itchy Onion: 2022-09-22     Last week:         - several attempts (adjusting various timeout, trying the obfs approach of creating a smux session, and reserching other options) to fix the RACE unclosed TCP connection issue (https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf...).

This week:         - update snowflake plugin API to RACE 2.3.x (https://gitlab.torproject.org/tpo/anti-censorship/team/-/issues/58)         - I learned yesterday that there is a working build of snowflake 2.2.x from Eliana. I have requested the code and am still waiting for it. Will ask again in my 1-1 meeting with Eliana later today