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Re: [tor-relays] Connections from UNKNOWN relays

To: <tor-relays@xxxxxxxxxxxxxxxxxxxx>
Subject: Re: [tor-relays] Connections from UNKNOWN relays
From: "Rana" <ranaventures@xxxxxxxxx>
Date: Sat, 10 Dec 2016 15:39:20 +0200
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-----Original Message-----
From: tor-relays [mailto:tor-relays-bounces@xxxxxxxxxxxxxxxxxxxx] On Behalf Of teor
Sent: Saturday, December 10, 2016 2:54 PM
To: tor-relays@xxxxxxxxxxxxxxxxxxxx
Subject: Re: [tor-relays] Connections from UNKNOWN relays


>> On 10 Dec. 2016, at 23:05, Rana <ranaventures@xxxxxxxxx> wrote:
>> 
> >Arm shows that my middle relay has incoming connections from UNKNOWN relays (no consensus data on them at all except locale). Are these bridges?
>
>Possibly, or they are relays that are not in the current consensus, but are in a consensus still being used by a client. (Clients will use consensuses up to 27 hours old, there is one consensus per hour.)

Assuming most of these are bridges, this could be a vulnerability as this allows rogue middle relays to enumerate bridges.

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Follow-Ups:
- Re: [tor-relays] Connections from UNKNOWN relays
  - From: Roger Dingledine

References:
- [tor-relays] Connections from UNKNOWN relays
  - From: Rana
- Re: [tor-relays] Connections from UNKNOWN relays
  - From: teor

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