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Re: [tor-bugs] #7193 [Core Tor/Tor]: Tor's sybil protection doesn't consider IPv6



#7193: Tor's sybil protection doesn't consider IPv6
-------------------------------------------------+-------------------------
 Reporter:  asn                                  |          Owner:  (none)
     Type:  enhancement                          |         Status:
                                                 |  needs_revision
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  unspecified
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  ipv6, intro, tor-dirauth, security,  |  Actual Points:
  sybil, network-health, outreachy-ipv6,         |
  network-team-roadmap-2020Q1                    |
Parent ID:  #24403                               |         Points:  1
 Reviewer:  nickm                                |        Sponsor:
                                                 |  Sponsor55-can
-------------------------------------------------+-------------------------

Comment (by maurice_pibouin):

 Replying to [comment:20 teor]:
 > There's a good description of how to implement this change in Proposal
 312, section 3.5.7:
 > https://gitweb.torproject.org/torspec.git/tree/proposals/312-relay-auto-
 ipv6-addr.txt#n1111

 I am trying to change the get_possible_sybil_list function.
 If adding the "family" argument is easy, it seems like it would require
 changes where the function is called (inside
 dirserv_generate_networkstatus_vote_obj, l4535 ), so that one call is made
 for IPv6 routers, and one is made for IPv4 routers. I was thinking of
 creating two routers list (one IPv4 , one IPv6) but that seems messy.
 Wouldn't it be better to filter the "family" directly inside
 "get_possible_sybil_list" so as to avoid having to change too many things
 ?

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/7193#comment:30>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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