[tor-bugs] #24902 [Core Tor/Tor]: Denial of Service mitigation subsystem

Tor Bug Tracker & Wiki blackhole at torproject.org
Wed Feb 14 05:45:38 UTC 2018


#24902: Denial of Service mitigation subsystem
-------------------------------------------------+-------------------------
 Reporter:  dgoulet                              |          Owner:  dgoulet
     Type:  enhancement                          |         Status:
                                                 |  merge_ready
 Priority:  Very High                            |      Milestone:  Tor:
                                                 |  0.3.3.x-final
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tor-dos, tor-relay, review-          |  Actual Points:
  group-30, 029-backport, 031-backport,          |
  032-backport, review-group-31, SponsorV        |
Parent ID:                                       |         Points:
 Reviewer:  arma                                 |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by Felixix):

 Not only with the new code. It was observed with 32x even more often with
 laxer fw settings. What brings offers the early conclusion that in this
 case 90/100 on 33x acts similar to 32x. 50/50 on 33x does not show it.
 (Is
 `DOS_CC_CIRCUIT_BURST_DEFAULT`/`DOS_CONN_MAX_CONCURRENT_COUNT_DEFAULT`)

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24902#comment:74>
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