netdev - Re: [PATCH nf-next v3 0/3] Netfilter egress hook

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Message-ID: <CAF90-Wi4W1U4FSYqyBTqe7sANbdO6=zgr-u+YY+X-gvNmOgc6A@mail.gmail.com>
Date:   Thu, 27 Aug 2020 12:36:55 +0200
From:   Laura García Liébana <nevola@...il.com>
To:     Lukas Wunner <lukas@...ner.de>
Cc:     Pablo Neira Ayuso <pablo@...filter.org>,
        Jozsef Kadlecsik <kadlec@...filter.org>,
        Florian Westphal <fw@...len.de>,
        Netfilter Development Mailing list 
        <netfilter-devel@...r.kernel.org>, coreteam@...filter.org,
        netdev@...r.kernel.org, Daniel Borkmann <daniel@...earbox.net>,
        Alexei Starovoitov <ast@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Thomas Graf <tgraf@...g.ch>, David Miller <davem@...emloft.net>
Subject: Re: [PATCH nf-next v3 0/3] Netfilter egress hook

Hi Lukas, thank you for your patches.

On Thu, Aug 27, 2020 at 10:55 AM Lukas Wunner <lukas@...ner.de> wrote:
>
> Introduce a netfilter egress hook to allow filtering outbound AF_PACKETs
> such as DHCP and to prepare for in-kernel NAT64/NAT46.
>

Actually, we've found 2 additional use cases in container-based nodes
that use the egress hook:

1. intra-node DSR load balancing connectivity
2. container-based outbound security policies

We've been using your previous patch in an experimental project and
it's working fine.

Great job!