netfilter: nf_nat: Also handle non-ESTABLISHED routing changes in MASQUERADE
Since (a0ecb85a netfilter: nf_nat: Handle routing changes in MASQUERADE target), the MASQUERADE target handles routing changes which affect the output interface of a connection, but only for ESTABLISHED connections. It is also possible for NEW connections which already have a conntrack entry to be affected by routing changes. This adds a check to drop entries in the NEW+conntrack state when the oif has changed. Signed-off-by: NAndrew Collins <bsderandrew@gmail.com> Acked-by: NJozsef Kadlecsik <kadlec@blackhole.kfki.hu> Signed-off-by: NPablo Neira Ayuso <pablo@netfilter.org>
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