Re: [PATCH 07/31] netfilter: ctnetlink: Support L3 protocol-filter on flush

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Nicolas Dichtel <nicolas.dichtel@xxxxxxxxx> wrote:
> I understand your point, but this is a regression. Ignoring a field/attribute of
> a netlink message is part of the uAPI. This field exists for more than a decade
> (probably two), so you cannot just use it because nobody was using it. Just see
> all discussions about strict validation of netlink messages.
> Moreover, the conntrack tool exists also for ages and is an official tool.

FWIW I agree with Nicolas, we should restore old behaviour and flush
everything when AF_INET is given.  We can add new netlink attr to
restrict this.




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