[tor-bugs] #25804 [Obfuscation/Snowflake]: Domain fronting to App Engine stopped working

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#25804: Domain fronting to App Engine stopped working
-----------------------------------+------------------------
 Reporter:  dcf                    |          Owner:  (none)
     Type:  defect                 |         Status:  new
 Priority:  Medium                 |      Milestone:
Component:  Obfuscation/Snowflake  |        Version:
 Severity:  Normal                 |     Resolution:
 Keywords:  moat                   |  Actual Points:
Parent ID:                         |         Points:
 Reviewer:                         |        Sponsor:
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Comment (by cypherpunks):

 Don't know how much data Moat and Snowflake need, but if it's only a tiny
 amount an alternative for the AMP proxy could be Google's favicon
 retrieval service, which allows to retrieve one 16×16 PNG at the time.
 Could perhaps be combined with wildcard DNS so you get `<some random id
 >.some-endpoint.torproject.org/favicon.ico`, `<another random id>.some-
 endpoint.torproject.org/favicon.ifo`


 {{{
 curl --output example.png -H 'Host: www.google.com' https://ssl.google-
 analytics.com/s2/favicons?domain=torproject.org
 }}}

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25804#comment:36>
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