From: Florian Westphal <fw@strlen.de>
To: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Florian Westphal <fw@strlen.de>,
Leonardo Bras <leonardo@linux.ibm.com>,
netfilter-devel@vger.kernel.org, coreteam@netfilter.org,
bridge@lists.linux-foundation.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org,
Jozsef Kadlecsik <kadlec@netfilter.org>,
Roopa Prabhu <roopa@cumulusnetworks.com>,
Nikolay Aleksandrov <nikolay@cumulusnetworks.com>,
"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH v4 1/2] netfilter: Terminate rule eval if protocol=IPv6 and ipv6 module is disabled
Date: Tue, 3 Sep 2019 21:48:09 +0200 [thread overview]
Message-ID: <20190903194809.GD13660@breakpoint.cc> (raw)
In-Reply-To: <20190903193155.v74ws47zcn6zrwpr@salvia>
Pablo Neira Ayuso <pablo@netfilter.org> wrote:
> > > I was expecting we could find a way to handle this from br_netfilter
> > > alone itself.
> >
> > We can't because we support ipv6 fib lookups from the netdev family
> > as well.
> >
> > Alternative is to auto-accept ipv6 packets from the nf_tables eval loop,
> > but I think its worse.
>
> Could we add a restriction for nf_tables + br_netfilter + !ipv6. I
> mean, if this is an IPv6 packet, nf_tables is on and IPv6 module if
> off, then drop this packet?
We could do that from nft_do_chain_netdev().
next prev parent reply other threads:[~2019-09-03 19:48 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-30 18:13 [PATCH v4 0/2] Drop IPV6 packets if IPv6 is disabled on boot Leonardo Bras
2019-08-30 18:13 ` [PATCH v4 1/2] netfilter: Terminate rule eval if protocol=IPv6 and ipv6 module is disabled Leonardo Bras
2019-08-30 20:58 ` Florian Westphal
2019-09-03 16:46 ` Leonardo Bras
2019-09-03 16:49 ` Pablo Neira Ayuso
2019-09-03 16:56 ` Leonardo Bras
2019-09-03 17:05 ` Florian Westphal
2019-09-03 19:31 ` Pablo Neira Ayuso
2019-09-03 19:48 ` Florian Westphal [this message]
2019-09-03 20:19 ` Pablo Neira Ayuso
2019-09-03 20:35 ` Florian Westphal
2019-09-03 20:55 ` Pablo Neira Ayuso
2019-09-03 20:55 ` Pablo Neira Ayuso
2019-08-30 18:13 ` [PATCH v4 2/2] net: br_netfiler_hooks: Drops IPv6 packets if IPv6 module is not loaded Leonardo Bras
2019-08-30 20:55 ` Florian Westphal
2019-08-31 4:42 ` Leonardo Bras
2019-08-31 8:43 ` Florian Westphal
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