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Re: [tor-bugs] #9426 [Tor]: multicast connection tries
#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>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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