#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 teor):

 And here's an update from my relay logs. The defences seem to be working:
 [notice] Heartbeat: Tor's uptime is 2 days x hours, with 11xxxx circuits
 open. I've sent 57xx.xx GB and received 56xx.xx GB.
 [notice] Circuit handshake stats since last time: 12xxxxx/12xxxxx TAP,
 22xxxxxx/22xxxxxx NTor.
 [notice] Since startup, we have initiated x v1 connections, x v2
 connections, x v3 connections, and 31xxx v4 connections; and received x v1
 connections, 45xxx v2 connections, 70xxx v3 connections, and 80xxxx v4
 [notice] DoS mitigation since startup: 68xxxxxx circuits rejected, 4xx
 marked addresses. 98xxxx connections closed. 18xx single hop clients

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24902#comment:76>
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