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ipv6: sysctl to restrict candidate source addresses

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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: Erik Kline <ek@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Erik Kline
2015-07-22 16:38:25 +09:00
committed by David S. Miller
parent fb02eb4a29
commit 3985e8a361
4 changed files with 28 additions and 3 deletions
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7
Documentation/networking/ip-sysctl.txt
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@@ -1460,6 +1460,13 @@ router_solicitations - INTEGER
routers are present.
Default: 3
use_oif_addrs_only - BOOLEAN
When enabled, the candidate source addresses for destinations
routed via this interface are restricted to the set of addresses
configured on this interface (vis. RFC 6724, section 4).
Default: false
use_tempaddr - INTEGER
Preference for Privacy Extensions (RFC3041).
<= 0 : disable Privacy Extensions