On Mon, Mar 31, 2014 at 05:31:31PM -0500, Joe Btfsplk wrote: > On 3/31/2014 4:12 PM, Jann Horn wrote: > >Well, the subject line pretty much says it all: Lots of Tor relays send out > >globally sequential IP IDs, which, as far as I know, allows a remote party to > >measure how fast the relay is sending out IP packets with high precision, > >possibly making statistical attacks possible that could e.g. pinpoint the entry > >guard a user or hidden service uses. > Why would this be? By design for some reason? Oversight? > Misinterpretation of the data? It is a known flaw in the network stack of some operating systems â see <https://en.wikipedia.org/wiki/Idle_Scan> for a related attack.
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