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Very basic testing, just a set definition, a rule which references it
and another one with an anonymous set.
Sadly this is already enough to expose some pending issues:
* Payload dependency killing ignores the concatenated IP header
expressions on LHS, so rule output is asymmetric.
* Anonymous sets don't accept concatenated ranges yet, so the second
rule is manually disabled for now.
Signed-off-by: Phil Sutter <phil@nwl.cc>
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On families other than 'ip', the rule
ip protocol icmp
needs a dependency on the ip protocol so we do not treat e.g. an ipv6
header as ip.
Bridge currently uses eth_hdr.type for this, but that will cause the
rule above to not match in case the ip packet is within a VLAN tagged
frame -- ether.type will appear as ETH_P_8021Q.
Due to vlan tag stripping, skb->protocol will be ETH_P_IP -- so prefer
to use this instead.
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Not usable yet, as the set timeout netlink output isn't captured so far,
but it adds groundwork to add this as a follow-up.
Set definition syntax changes a little, if you want to
add multiple elements they now have to be separated by "," just
like in nftables.
Signed-off-by: Florian Westphal <fw@strlen.de>
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