Re: [tor-bugs] #29607 [Core Tor/Tor]: 2019 Q1: Denial of service on v2 and v3 onion service

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#29607: 2019 Q1: Denial of service on v2 and v3 onion service
--------------------------+-------------------------------
 Reporter:  pidgin        |          Owner:  pidgin
     Type:  defect        |         Status:  accepted
 Priority:  Immediate     |      Milestone:
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:                |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:  Sponsor27-can
--------------------------+-------------------------------

Comment (by HelpDOS):

 Replying to [comment:37 asn]:
 > Replying to [comment:36 HelpDOS]:
 > > Replying to [comment:35 asn]:
 > > > Closed #29919 as a duplicate for this one. More info over there.
 > >
 > > Hi asn,
 > >
 > > Understandable why you closed my ticket, at a point of desperation and
 just hoping someone will take real interest in looking into this. Which is
 why I am able to offer access to a server that is currently being
 attacked. I believe I saw a chat log of you first discussing complex mode
 in 2015 for OnionBalance. Do you have any links for how to enable
 it/configure it? I am going to try it out to see if it is a resolution for
 this, with the theory of introduction points being attacked.
 > >
 > > Thank you.
 >
 > Hey, I just remembered that complex mode was never implemented for
 onionbalance, because it was harder to implement and we thought there was
 no real use for it.
 >
 > I'm not currently interested (or have the time) to get access to a
 server that is under attack.
 >
 > I think the most useful thing right now would be to have more logs that
 display the attack. I want debug or info logs that last for 1-2 hours of
 the attack and display the whole Tor lifetime (from startup to shutdown).
 Please sanitize them correctly (make sure that guard names and onion names
 are not visible).
 >
 > Same for vanguard logs on debug or info if you use vanguards.

 I will provide you with any logs I can later today. Could you please send
 a full list of anything that could help in debugging just to make sure you
 have everything relevant? Thank you

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29607#comment:38>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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