Drop received packets with an IPv4-compatible address as source or
authormpi <mpi@openbsd.org>
Thu, 14 Jul 2016 14:39:12 +0000 (14:39 +0000)
committermpi <mpi@openbsd.org>
Thu, 14 Jul 2016 14:39:12 +0000 (14:39 +0000)
commit769273cb91bc014417cd360611feb803a8b01a52
tree723251b8c30b4e568e133f0361f18cf53f84a7f7
parent51f2c1333ad5ec75e09de57b939806244e7ff689
Drop received packets with an IPv4-compatible address as source or
destination as per RFC4213.

We're not in 1999 anymore, what was earlier a "stronger check than
RFC1933" is now a best practice.  This matches the behavior of the
reject (R) routes added by default by netstart(8).

ok jca@, florian@, claudio@, bluhm@
sys/netinet6/ip6_input.c