[tor-bugs] #9426 [Tor]: multicast connection tries

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#9426: multicast connection tries
-------------------------+--------------------------------------------------
 Reporter:  cypherpunks  |          Owner:                  
     Type:  defect       |         Status:  new             
 Priority:  normal       |      Milestone:  Tor: unspecified
Component:  Tor          |        Version:  Tor: 0.2.3.25   
 Keywords:               |         Parent:                  
   Points:               |   Actualpoints:                  
-------------------------+--------------------------------------------------

Comment(by cypherpunks):

 I looked into source code, function tor_addr_is_internal() deals only with
 these ipv4 ranges
  {{{
     if (((iph4 & 0xff000000) == 0x0a000000) || /*       10/8 */
         ((iph4 & 0xff000000) == 0x00000000) || /*        0/8 */
         ((iph4 & 0xff000000) == 0x7f000000) || /*      127/8 */
         ((iph4 & 0xffff0000) == 0xa9fe0000) || /* 169.254/16 */
         ((iph4 & 0xfff00000) == 0xac100000) || /*  172.16/12 */
         ((iph4 & 0xffff0000) == 0xc0a80000))   /* 192.168/16 */
  }}}

 Special use and reserved IPv4 prefixes (fltr-martian) includes
  {{{
 0.0.0.0/8
 10.0.0.0/8
 100.64.0.0/10
 127.0.0.0/8
 169.254.0.0/16
 172.16.0.0/12
 192.0.0.0/24
 192.0.2.0/24
 192.168.0.0/16
 198.18.0.0/15
 198.51.100.0/24
 203.0.113.0/24
 224.0.0.0/3
 }}}

 tor should filter these ipv4 ranges also,
 maybe we need a new option ExtendAllowMartianAddresses.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/9426#comment:2>
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