[tor-bugs] #11264 [Tor]: Relay has Exit flag but short policy says reject *?

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#11264: Relay has Exit flag but short policy says reject *?
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     Reporter:  arma     |      Owner:
         Type:  defect   |     Status:  needs_revision
     Priority:  normal   |  Milestone:  Tor: 0.2.6.x-final
    Component:  Tor      |    Version:
   Resolution:           |   Keywords:  tor-auth, 026-triaged-1, nickm-
Actual Points:           |  patch needs-proposal
       Points:           |  Parent ID:
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Comment (by teor):

 In the meantime, where can we (more clearly) document the difference
 between policy_summarize() and Exit? It's obviously causing some
 confusion.

 What do you think of this draft?
 * policy_summarize() lists exit ports that are allowed to the whole
 internet; or exit ports that are blocked to one or more internet addresses
 (whichever list is shorter).
 * Exit is applied to routers that allow exits to at least two of the HTTP,
 HTTPS, and IRC ports; and allow exits to at least 1/256 of the IPv4
 internet.

 To check:
 * does policy_summarize() work the same for IPv4 and IPv6?
 * how does "Exit" work for IPv6?

 Next Steps:
 * Put my white hat on and determine a set of pathological cases
 * Create test cases for these cases (?)
 * Check the current consensus for cases with: Exit & Reject 1-65535; No
 Exit & Accept 1-65535 (?)

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/11264#comment:19>
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