[tor-bugs] #22308 [Core Tor/Tor]: Consider resetting wfu/mtbf/tk values for relays when they switch IP addresses

[Tor Bug Tracker & Wiki]

#22308: Consider resetting wfu/mtbf/tk values for relays when they switch IP
addresses
--------------------------+------------------------------------
 Reporter:  arma          |          Owner:
     Type:  enhancement   |         Status:  new
 Priority:  Medium        |      Milestone:  Tor: 0.3.2.x-final
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:                |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
--------------------------+------------------------------------

Comment (by arma):

 cypherpunks replied to this ticket on #22309, but I am answering here so
 things don't get confused.

 Replying to [comment:1 cypherpunks]:
 > I hope you are not punishing guards for changing their IP by reseting
 their reputation

 That is indeed the question at hand.

 > - attackers can keep the same IP address (making this safeguard
 ineffective)

 Well, sometimes attackers could, but also sometimes they couldn't. For
 example, if the cops seize a relay, they're going to have a tougher time
 putting it back online at the place they took it from.

 > - this would negate the protection operators get by running in
 OfflineMasterKey mode

 Tell me more about this one? I'm guessing you won't be happy with "if they
 need to get the offline master, maybe they can keep using the same IP
 address" or "maybe resetting the reputation is an acceptable loss, since
 it won't happen all that often"?

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22308#comment:3>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online