[NETFILTER]: ctnetlink: add support for NAT sequence adjustments

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The combination of NAT and helpers may produce TCP sequence adjustments.
In failover setups, this information needs to be replicated in order to
achieve a successful recovery of mangled, related connections. This patch is
particularly useful for conntrackd, see:

http://people.netfilter.org/pablo/conntrack-tools/

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Pablo Neira Ayuso 2007-12-17 22:28:00 -08:00 • committed by David S. Miller

parent 170080645d

commit 13eae15a24

4 changed files with 140 additions and 1 deletions

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4

include/linux/netfilter/nf_conntrack_common.h

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10

include/linux/netfilter/nfnetlink_conntrack.h

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