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Re: [tor-bugs] #31009 [Core Tor/Tor]: Tor lets transports advertise private IP addresses in descriptor

#31009: Tor lets transports advertise private IP addresses in descriptor
--------------------------+------------------------
 Reporter:  phw           |          Owner:  (none)
     Type:  defect        |         Status:  new
 Priority:  Medium        |      Milestone:
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:                |  Actual Points:
Parent ID:                |         Points:  0.5
 Reviewer:                |        Sponsor:
--------------------------+------------------------

Comment (by teor):

 We should try to imitate or re-use Tor's implementation of OR addresses as
 much as possible:

 * ExtendAllowPrivateAddresses
   * should Tor connect to bridges on private addresses?
   * currently Tor connects to private bridges, we probably don't want to
 break those configs, so we should make the default auto, which is relays 0
 bridges 1

 * DirAllowPrivateAddresses
   * this setting should make the bridge authority reject pluggable
 transport lines with private addresses

 * ORPort NoListen / NoAdvertise
   * these are ORPort flags, I'm not sure if we want to add similar flags
 to ServerTransportListenAddr
   * alternately, we could add a ServerTransportAdvertiseAddr in
 ServerTransportOptions, so the pluggable transport can find out about it

 Is there a TOR_PT_SERVER_ADVERTISEADDR in the PT spec?
 If not, we should add one?

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31009#comment:1>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online

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