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Commit b9c61903 authored by Erik Kline's avatar Erik Kline Committed by Christian Bejram
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ipv6: sysctl to restrict candidate source addresses


Per RFC 6724, section 4, "Candidate Source Addresses":

    It is RECOMMENDED that the candidate source addresses be the set
    of unicast addresses assigned to the interface that will be used
    to send to the destination (the "outgoing" interface).

Add a sysctl to enable this behaviour.

Signed-off-by: default avatarErik Kline <ek@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarLorenzo Colitti <lorenzo@google.com>

[Simplified back-port of net-next 3985e8a3]

Bug: 24150139
Change-Id: Ib74ef945dcabe64215064f15ee1660b6524d65ce
parent abc27bae
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