15:58:01 #startmeeting tor anti-censorship meeting 15:58:01 here is our meeting pad: https://pad.riseup.net/p/tor-anti-censorship-keep 15:58:01 feel free to add what you've been working on and put items on the agenda 15:58:01 Meeting started Thu May 11 15:58:01 2023 UTC. The chair is shelikhoo. Information about MeetBot at http://wiki.debian.org/MeetBot. 15:58:01 Useful Commands: #action #agreed #help #info #idea #link #topic. 15:58:19 Hi~ Hi~ 15:58:34 I think the meetbot's clock is out of sync? 15:59:01 hello 15:59:03 yes, is it logging? 15:59:18 yes, but the timestamp seems off 15:59:21 but it is fine 16:02:22 hihi o/ 16:02:47 okay, I didn't see a lot of new edits, let's begin the meeting 16:02:57 There is no new discussion topics 16:03:10 so let's start from interesting links 16:03:21 Research about designing an armored bridge line sharing URL format(https://gitlab.torproject.org/tpo/anti-censorship/team/-/issues/126) 16:03:28 The first link is from me 16:04:02 there is a new armored bridge line format being designed to help with sharing bridge lines 16:04:15 all comments welcome 16:04:31 we will discuss it within our team next week 16:04:44 (everyone is welcome) 16:05:38 and formally request opinion from other stake holders once we finished discussion on anti-censorship team side 16:06:00 okay, any comments? 16:06:32 okay, I think the next link is from dcf1 16:06:34 https://opencollective.com/censorship-circumvention/projects/snowflake-daily-operations/updates/2023-april-update 16:06:59 this is just the latest snowflake-01 update 16:07:09 its doesn't include snowflake-02 16:07:25 besides the fact that snowflake-01 is still at capacity, the third graph is interesting 16:07:56 it shows the effect of the release of snowflake-webext 0.7.2, which fixed a bug that caused clients to be attributed to the "??" country 16:08:45 across the 2 bridges, snowflake has transfered about 5 PB since the beginning, almost 1 PB of that just in the past month. currently about 30 TB per day. 16:09:17 I don't have a graph handy of the snowflake-02 contribution, but you can see here, snowflake-01 is about 70k and snowflake-02 about 10k 16:09:21 https://gitlab.torproject.org/dcf/snowflake-graphs/-/blob/main/userstats-bridge-transport-multi.csv?plain=1#L3352-3355 16:09:33 https://gitlab.torproject.org/dcf/snowflake-graphs/-/blob/93b1cdb35be5f71a5ae12f68c8813ef21e019eae/userstats-bridge-transport-multi.csv#L3352-3355 16:09:45 that's all 16:09:54 yes, I think there is a lot of connection from US, is this an issue related to GeoIP database? 16:10:12 or we actually have this amount of US user? 16:10:16 yes, I believe it is an error in geolocation, see the March 2023 update 16:10:41 https://opencollective.com/censorship-circumvention/projects/snowflake-daily-operations/updates/2023-march-update 16:11:00 "The second largest share geolocates to the United States; however we suspect this represents geolocation errors because of how strongly it correlates with the Iran count." 16:11:17 Yes, will it helps if we switch to another geoip database? 16:11:27 idk 16:11:59 i also (just from looking at the graphs a lot) think many of those US users are actually IR users. 16:12:15 in the past, the metrics team did a bunch of geoip database evaluations, and the conclusion was that all of them were flawed, in different ways 16:12:39 if we had infinite engineering resources, we might start tracking with two different db's, to compare them. but, with limited resources, maybe not worth it. :) 16:13:19 anyway, that's a lot of traffics, and the counties based user count have limited accuracy... 16:14:22 I think we have might receive sponsored work about better user counting, or something like that, so just remember that might be something we could work on next 16:14:40 anyway, anything more on this topic? 16:14:54 no 16:15:24 I didn't see any other topics on the pad, anything else we would like to discuss in this meeting? 16:15:44 regarding user counting, I plan to pitch this idea at a PETS rump session or something: https://gitlab.torproject.org/tpo/anti-censorship/team/-/wikis/Research-ideas#calibrate-bridge-users-estimation-with-on-bridge-socket-counts 16:16:43 onyinyang[m] has a "needs help with" 16:17:04 "figuring out whether or not the metrics I added to rdsys actually collect what we want them to..." 16:17:18 I don't think I can get help til @meskio is back 16:17:30 ok 16:17:38 thanks tho :) 16:17:38 I appreciate your detailed updates btw 16:18:00 oh, yeah, thanks for the detailed status update! 16:18:38 no need to keep anyone any longer, let's call it a meeting 16:18:38 #endmeeting