netfilter: nf_tables: only allow in/output for arp packets

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arp packets cannot be forwarded.

They can be bridged, but then they can be filtered using
either ebtables or nftables bridge family.

The bridge netfilter exposes a "call-arptables" switch which
pushes packets into arptables, but lets not expose this for nftables, so better
close this asap.

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

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Florian Westphal 2017-07-07 13:29:03 +02:00 • committed by Pablo Neira Ayuso

parent 97772bcd56

commit 974292defe

1 changed files with 1 additions and 2 deletions

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net/ipv4/netfilter/nf_tables_arp.c

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