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[tor-bugs] #2472 [BridgeDB]: Find out if BridgeDB stores more than 1 IP address per bridge fingerprint



#2472: Find out if BridgeDB stores more than 1 IP address per bridge fingerprint
----------------------+-----------------------------------------------------
 Reporter:  karsten   |       Owner:  kaner
     Type:  defect    |      Status:  new  
 Priority:  normal    |   Milestone:       
Component:  BridgeDB  |     Version:       
 Keywords:            |      Points:       
   Parent:            |  
----------------------+-----------------------------------------------------
 When sanitizing the bridge pool assignments for #2372, I noticed that the
 BridgeDB logs mention some bridge fingerprints more than once with
 changing IP addresses.  Here is an example:

 {{{
 Sep 29 08:07:15 [DEBUG] Leaving bridge --.--.--.138:443
 -----------------------------------bc654 unallocated
 Sep 29 08:07:16 [DEBUG] Leaving bridge --.--.--.138:443
 -----------------------------------bc654 unallocated
 Sep 29 08:07:16 [DEBUG] Leaving bridge --.--.--.138:443
 -----------------------------------bc654 unallocated
 Sep 29 08:07:17 [DEBUG] Leaving bridge --.--.---.34:443
 -----------------------------------bc654 unallocated
 Sep 29 08:07:17 [DEBUG] Leaving bridge --.--.---.34:443
 -----------------------------------bc654 unallocated
 Sep 29 08:07:17 [DEBUG] Leaving bridge --.--.---.34:443
 -----------------------------------bc654 unallocated
 Sep 29 08:07:18 [DEBUG] Leaving bridge ---.--.---.219:443
 -----------------------------------bc654 unallocated

 Sep 29 08:07:12 [DEBUG] Adding bridge ---.---.--.3:443
 -----------------------------------d80ca to email ring
 Sep 29 08:07:16 [DEBUG] Adding bridge --.---.--.31:443
 -----------------------------------d80ca to email ring
 Sep 29 08:07:16 [DEBUG] Adding bridge --.---.--.31:443
 -----------------------------------d80ca to email ring
 Sep 29 08:07:17 [DEBUG] Adding bridge ---.---.--.238:443
 -----------------------------------d80ca to email ring
 Sep 29 08:07:17 [DEBUG] Adding bridge ---.---.--.238:443
 -----------------------------------d80ca to email ring
 Sep 29 08:07:17 [DEBUG] Adding bridge ---.---.--.253:443
 -----------------------------------d80ca to email ring
 Sep 29 08:07:17 [DEBUG] Adding bridge ---.---.--.253:443
 -----------------------------------d80ca to email ring
 Sep 29 08:07:17 [DEBUG] Adding bridge ---.---.--.54:443
 -----------------------------------d80ca to email ring
 Sep 29 08:07:17 [DEBUG] Adding bridge --.---.--.17:443
 -----------------------------------d80ca to email ring
 Sep 29 08:07:17 [DEBUG] Adding bridge ---.---.--.167:443
 -----------------------------------d80ca to email ring
 Sep 29 08:07:17 [DEBUG] Adding bridge ---.---.--.148:443
 -----------------------------------d80ca to email ring
 Sep 29 08:07:17 [DEBUG] Adding bridge ---.---.--.37:443
 -----------------------------------d80ca to email ring
 Sep 29 08:07:18 [DEBUG] Adding bridge ---.---.--.37:443
 -----------------------------------d80ca to email ring
 Sep 29 08:07:18 [DEBUG] Adding bridge --.---.--.117:443
 -----------------------------------d80ca to email ring
 Sep 29 08:07:18 [DEBUG] Adding bridge ---.---.--.26:443
 -----------------------------------d80ca to email ring
 Sep 29 08:07:18 [DEBUG] Adding bridge --.---.--.91:443
 -----------------------------------d80ca to email ring
 Sep 29 08:07:18 [DEBUG] Adding bridge ---.---.--.225:443
 -----------------------------------d80ca to email ring
 Sep 29 08:07:18 [DEBUG] Adding bridge ---.---.--.3:443
 -----------------------------------d80ca to email ring
 Sep 29 08:07:19 [DEBUG] Adding bridge ---.---.--.235:443
 -----------------------------------d80ca to email ring
 }}}

 I didn't find a case when a bridge was added to different rings, but I
 didn't look closely.  I wonder if this affects giving out bridges in some
 way, either by giving out a bridge's old IP address or by giving out a
 bridge more often than others.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/2472>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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