anti-censorship-team November 2024

anti-censorship-team@lists.torproject.org

4 participants
6 discussions

Status of snowflake covert-dtls-test?
by David Fifield 21 Nov '24

21 Nov '24

Recently there have been problems with Snowflake connectivity in Russia. WebRTC data connections are being established, but then stop working after some amount of traffic is exchanged. cohosh has investigated and whatever the cause is, it's not straightforward DTLS fingerprinting. https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snow… Theodor, what's the status of your covertDTLS patch to Snowflake? https://gitlab.torproject.org/theodorsm/snowflake/-/tree/covert-dtls-test Is it ready to be run as a test client? If so, can you provide brief instructions on how to do it? Snowflake recently updated to pion/webrtc/v4, which I seem to recall was a blocker for covertDTLS integration. https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snow… Here's where we discussed this topic in the team meeting today. https://meetbot.debian.net/tor-meeting/2024/tor-meeting.2024-11-21-16.00.lo… https://lists.torproject.org/mailman3/hyperkitty/list/tor-project@lists.tor… P.S. I Cced the anti-censorship-team(a)lists.torproject.org mailing list.

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Microsoft announces shutting down domain fronting attempts in Azure
by Cecylia Bocovich 18 Nov '24

18 Nov '24

It looks like Azure is going to shutdown domain fronting: https://www.microsoft.com/security/blog/2021/03/26/securing-our-approach-to… There isn't a time frame listed in the article, and I haven't gotten any notifications through my Azure account yet. Cecylia

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goptlib v1.6.0
by David Fifield 14 Nov '24

14 Nov '24

I tagged v1.6.0 of goptlib. It has a bug fix (panic in DialOr) and a corrected test case. https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/gopt… > == v1.6.0 > > Fixed a type assertion panic in DialOr that occurred when the network dial > failed. Patch by Rob Jansen. > https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/gopt… > > Enhanced the TestGetServerBindaddrs test to compare not only MethodName and > Addr, but also Options, and fixed a test case that expected the wrong Options. > Patch by Jack Wampler. > https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/gopt…

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[eclips.is] The future of eclips.is
by David Fifield 13 Nov '24

13 Nov '24

The Snowflake broker is currently hosted on Greenhost's subsidized eclips.is platform. Their funding has ended, and they are moving to a partial user-pays model. For the next year Greenhost will self-fund up to 50 EUR per month per user. I am not sure whether we fit under that threshold. ----- Forwarded message from Greenhost <support(a)greenhost.nl> ----- Date: Thu, 31 Oct 2024 14:43:05 +0000 From: Greenhost <support(a)greenhost.nl> To: david(a)bamsoftware.com Subject: [eclips.is] The future of eclips.is Hello david(a)bamsoftware.com, Hope you’re doing well! We’re happy to inform you that all VPSs have been successfully migrated from our Miami data center to Amsterdam. Please take a moment to check that your VPS is functioning as expected, and let us know if you encounter any issues. As mentioned earlier this year, funding support from the Open Technology Fund (OTF) will conclude on October 31st, 2024 (today). However, Greenhost is committed to ensuring continued service and will fully support eclips.is through December 31st, 2024. Starting January 1st, 2025, Greenhost will migrate eclips.is to a hybrid model. We will provide every account with a free tier of up to EUR 50 per month. Based on usage data, this will cover about 90% of current accounts. As a result, for the majority of accounts/users, nothing will change. For accounts using more resources, the portion above EUR 50 per month will be charged, with a discount of 25% applied. This model will be in place until at least October 31st, 2025. During the year, we will assess this model and determine if it is sustainable long-term. With this approach, Greenhost has found a good balance between continuing to fully support grassroots and small organizations, and providing heavy users with an affordable service. This sponsorship represents approximately €120,000 per year, and Greenhost is proud to be able to provide this service to the community without funding. However, we are dedicated to exploring extra funding options to further support the community and broaden our user base. For users who can fully cover their service costs, we encourage you to purchase directly through the Greenhost website. Direct purchases strengthen our ability to support the community in the long term. Thank you for being part of this journey! The Greenhost Team -- Voor vragen of opmerkingen kunt u contact opnemen via info(a)greenhost.nl Volg ons / Follow us: Website: https://greenhost.net/blog Twitter: https://twitter.com/greenhost ----- End forwarded message -----

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Relative usage of snowflake-01 and snowflake-02 bridges, October 2024
by David Fifield 04 Nov '24

04 Nov '24

This is just a note to observe that the usage of snowflake-01 and snowflake-02 appears to have reached an equilibrium in recent months, though the usage is still unequal. The users and especially bandwidth are recently highly correlated. But the country distribution still differs a lot. snowflake-01 is Iran first, Russia second; while snowflake-02 is Russia first, Iran second.

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Vanilla bridges not available from bridges.torproject.org web interface
by Michael Rogers 04 Nov '24

04 Nov '24

Hi all, It seems that bridges.torproject.org is no longer serving vanilla bridges via the web interface. The following page (reached by selecting "none" in the transport dropdown) has no content: https://bridges.torproject.org/bridges?transport=0 Cheers, Michael

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anti-censorship-team November 2024