[tor-bugs] #7904 [Tor]: Allow domain-names in ExitPolicy

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#7904: Allow domain-names in ExitPolicy
-------------------------+--------------------------------------------------
 Reporter:  davidl       |          Owner:     
     Type:  enhancement  |         Status:  new
 Priority:  normal       |      Milestone:     
Component:  Tor          |        Version:     
 Keywords:               |         Parent:     
   Points:               |   Actualpoints:     
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 Apparently ExitPolicy will only take an IP address literal (no domain
 names);  when I try that,  I get error messages like:

 [warn] Malformed IP "chat.freenode.net" in address pattern; rejecting.
 [warn] Couldn't parse line "chat.freenode.net:6665-6667". Dropping

 If I list a domain-name there, I guess there are two ways it could be
 interpreted:

 1.  At load-time, pull DNS records, follow all pointers, translate all A
 and AAAA records
 2.  At connection-time (for all connections), do a reverse lookup, compare
 to the result

 For maximum flexibility, support both, on a per-rule basis?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/7904>
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