[Bug 750] New: AF_INET6 packets are sent to AF_INET queue

bugzilla-daemon at bugzilla.netfilter.org bugzilla-daemon at bugzilla.netfilter.org
Mon Sep 26 21:10:04 CEST 2011


http://bugzilla.netfilter.org/show_bug.cgi?id=750

           Summary: AF_INET6 packets are sent to AF_INET queue
           Product: libnetfilter_queue
           Version: unspecified
          Platform: i386
        OS/Version: Ubuntu
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: libnetfilter_queue
        AssignedTo: netfilter-buglog at lists.netfilter.org
        ReportedBy: abirvalg at lavabit.com
   Estimated Hours: 0.0


my NFQUEUE handler was initialized with nfq_bind_pf ( globalh, AF_INET )
Yet an application by the name of Jitsi send AF_INET6 packets and they trigger
my NFQUEUE handler.

To prove this I ran jitsi through strace and the sending of packet was logged
thusly:
29529 21:35:25.729151 connect(150, {sa_family=AF_INET6, sin6_port=htons(53),
inet_pton(AF_INET6, "::ffff:195.122.12.242", &sin6_addr), sin6_flowinfo=0,
sin6_scope_id=0}, 28) = 0
29529 21:35:25.729613 send(150,
"\255H\1\0\0\1\0\0\0\0\0\0\f_xmpp-client\4_tcp\5g"..., 45, 0) = 45

There is no doubt that it is this packet which triggered my NFQUEUE handler,
because my app also shows timestamps and it was just a couple milisecs later
.
So, does libnetfilter_queue lump AF_INET6 and AF_INET packets?


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