[tor-bugs] #7830 [Tor]: UDP over Tor

Tor Bug Tracker & Wiki blackhole at torproject.org
Mon Dec 31 02:42:04 UTC 2012


#7830: UDP over Tor
-------------------------+--------------------------------------------------
 Reporter:  proper       |          Owner:     
     Type:  enhancement  |         Status:  new
 Priority:  normal       |      Milestone:     
Component:  Tor          |        Version:     
 Keywords:               |         Parent:     
   Points:               |   Actualpoints:     
-------------------------+--------------------------------------------------

Comment(by rransom):

 > This is unlikely to be possible.
 >
 >  * Transporting UDP-based protocols through an exit node would require
 significant design and implementation effort for an ‘exit policy’ for each
 UDP-based protocol that is to be supported.
 >  * Transporting UDP-based protocols cannot provide a performance
 improvement unless relays are permitted to reorder and/or drop cells.
 This would make end-to-end tagging attacks much easier (they would no
 longer be limited to relays), and would be incompatible with Tor's current
 relay crypto and the currently proposed new relay crypto protocols.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/7830#comment:2>
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