[tor-bugs] #4862 [Tor]: Consider disabling dynamic intro point formula (numerology)

[Tor Bug Tracker & Wiki]

#4862: Consider disabling dynamic intro point formula (numerology)
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     Reporter:  hellais  |      Owner:
         Type:           |     Status:  assigned
  enhancement            |  Milestone:  Tor: 0.2.7.x-final
     Priority:  major    |    Version:  Tor: 0.2.7
    Component:  Tor      |   Keywords:  needs-proposal, tor-hs,
   Resolution:           |  027-triaged-1-in, SponsorR
Actual Points:           |  Parent ID:
       Points:           |
  medium/large           |
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Comment (by dgoulet):

 Replying to [comment:25 arma]:
 > dgoulet: when we build this, assuming we allow the user to configure a
 number of intro points, please put a cap on the number they can pick. I
 don't want anybody picking 15000 intro points. :)

 Yup, 100% agree. I was planning to have the default to 3 and high bound to
 10 (current state). We can discuss those values (if sane or not) later on
 with more research (#15513 will help answer that.)

 >
 > (I could still totally get behind either forcing everybody to use 3,
 because we don't know that more than 3 is actually helpful in any way, and
 it makes the onion service stand out; or forcing everybody to choose
 either 3 and 6, and not letting them pick their own number. I don't seem
 to have much support for those options though I guess?)

 Why having 7 IPs for instance makes an HS stand out? I give you address
 adkadsh778akajaa.onion, you check it out and you see 7 IPs. What's next?
 This might be msft.com or some other 2 users service but that won't change
 anything in terms of standing out apart from having 7 IPs? Do you have a
 scenario in mind on why that would be not good?

 One thing we can assume here is that if an operator wants to use its own
 number like 7, it's "probably" an informed decision to do that meaning "Oh
 OK I was under heavy load lately, I'll bump it to 7 to improve the
 situation". Which brings me back to offering only 6 as an alternative is
 roughly the same for an operator to make a decision about something else
 than 3.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/4862#comment:26>
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