Re: [tor-bugs] #9072 [Tor]: #9063 enables Guard discovery in about an hour by websites

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#9072: #9063 enables Guard discovery in about an hour by websites
----------------------+-----------------------------------------------------
 Reporter:  arma      |          Owner:                     
     Type:  defect    |         Status:  needs_review       
 Priority:  critical  |      Milestone:  Tor: 0.2.3.x-final 
Component:  Tor       |        Version:  Tor: 0.2.4.13-alpha
 Keywords:            |         Parent:                     
   Points:            |   Actualpoints:                     
----------------------+-----------------------------------------------------

Comment(by arma):

 "Maximum number of cells in entrys's circuit queue = 8 * (1000_data +
 10_sendmecirc + 20_sendme_stream + N * (1_connected + 1_end)), N is number
 of maximum allowed streams for client"

 "so 10k is actual number for client with 100 streams limit"

 (quoting from irc)

 If we disable the leaky pipe feature, 2k cells is enough, with 100 stream
 limit.

 Of course, this isn't counting drop cells, which we might want to add in
 at some point to help with website fingerprinting.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/9072#comment:15>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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