netfilter: nf_tables: reject nat hook registration if prio is before conntrack

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No problem for iptables as priorities are fixed values defined in the
nat modules, but in nftables the priority its coming from userspace.

Reject in case we see that such a hook would not work.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

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Florian Westphal 2017-12-08 17:01:55 +01:00 • committed by Pablo Neira Ayuso

parent f92b40a8b2

commit 84ba7dd71a

1 changed files with 6 additions and 1 deletions

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net/netfilter/nf_tables_api.c

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