[tor-bugs] #24299 [Core Tor/Tor]: Allow onion services to distinguish clients from each other

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#24299: Allow onion services to distinguish clients from each other
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 Reporter:  asn                       |          Owner:  (none)
     Type:  defect                    |         Status:  new
 Priority:  Medium                    |      Milestone:  Tor: 0.3.3.x-final
Component:  Core Tor/Tor              |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  tor-hs, prop224, tor-dos  |  Actual Points:
Parent ID:  #24298                    |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by asn):

 OK got some more info from I2P folks!

 Their virtual client IP feature is used to make using fail2ban easier and
 also for non-http servers.  Apparently java-i2p also has its own rate
 limiting logic:
 https://github.com/i2p/i2p.i2p/blob/920b14212fa80a3a0e92d6e919fdae7e39ed22d5/apps/streaming/java/src/net/i2p/client/streaming/impl/ConnectionManager.java#L504-L596
 which basically counts the number of connection attempts from a virtual Ip
 and calculates a rate and then rate limits based on that value.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24299#comment:1>
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