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| author | Jamal Hadi Salim <hadi@cyberus.ca> | 2009-12-25 17:30:22 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-12-25 17:30:22 -0800 |
| commit | 28f6aeea3f12d37bd258b2c0d5ba891bff4ec479 (patch) | |
| tree | fadf8801f14420d7aac5d0a22812da8773c7f836 /include/linux/sysctl.h | |
| parent | 4a6e47a460ce55e283063fc3f7391c8ea46bea27 (diff) | |
| download | lwn-28f6aeea3f12d37bd258b2c0d5ba891bff4ec479.tar.gz lwn-28f6aeea3f12d37bd258b2c0d5ba891bff4ec479.zip | |
net: restore ip source validation
when using policy routing and the skb mark:
there are cases where a back path validation requires us
to use a different routing table for src ip validation than
the one used for mapping ingress dst ip.
One such a case is transparent proxying where we pretend to be
the destination system and therefore the local table
is used for incoming packets but possibly a main table would
be used on outbound.
Make the default behavior to allow the above and if users
need to turn on the symmetry via sysctl src_valid_mark
Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/sysctl.h')
| -rw-r--r-- | include/linux/sysctl.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h index 877ba039e6a4..bd27fbc9db62 100644 --- a/include/linux/sysctl.h +++ b/include/linux/sysctl.h @@ -482,6 +482,7 @@ enum NET_IPV4_CONF_ARP_ACCEPT=21, NET_IPV4_CONF_ARP_NOTIFY=22, NET_IPV4_CONF_ACCEPT_LOCAL=23, + NET_IPV4_CONF_SRC_VMARK=24, __NET_IPV4_CONF_MAX }; |