From: Richard Gobert <richardbgobert@gmail•com>
To: Eric Dumazet <edumazet@google•com>
Cc: David Miller <davem@davemloft•net>,
Jakub Kicinski <kuba@kernel•org>, Paolo Abeni <pabeni@redhat•com>,
Jonathan Corbet <corbet@lwn•net>,
Hideaki YOSHIFUJI <yoshfuji@linux-ipv6•org>,
David Ahern <dsahern@kernel•org>,
Alexander Aring <alex.aring@gmail•com>,
Stefan Schmidt <stefan@datenfreihafen•org>,
Pablo Neira Ayuso <pablo@netfilter•org>,
Jozsef Kadlecsik <kadlec@netfilter•org>,
Florian Westphal <fw@strlen•de>, Martin KaFai Lau <kafai@fb•com>,
netdev <netdev@vger•kernel.org>,
"open list:DOCUMENTATION" <linux-doc@vger•kernel.org>,
LKML <linux-kernel@vger•kernel.org>,
linux-wpan@vger•kernel.org, netfilter-devel@vger•kernel.org,
coreteam@netfilter•org
Subject: Re: [PATCH 2/4] net-next: ip6: fetch inetpeer in ip6frag_init
Date: Thu, 1 Sep 2022 16:48:47 +0200 [thread overview]
Message-ID: <20220901144810.GA31767@debian> (raw)
In-Reply-To: <CANn89iLH4nDuOHS-0AzYBYOz4f3byZndKXG3_VefVxUbujJZNg@mail.gmail.com>
On Mon, Aug 29, 2022 at 03:20:54PM -0700, Eric Dumazet wrote:
> Sorry, this is adding yet another bottleneck, and will make DDOS
> attacks based on fragments more effective.
>
> Whole concept of 'peers' based on IPv6 addresses is rather weak, as
> hosts with IPv6 can easily
> get millions of different 'addresses'.
I understand the problem with the implementation. Since peers don't
carry much weight in IPv6, this patch can be dropped.
prev parent reply other threads:[~2022-09-01 14:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-29 11:46 [PATCH 2/4] net-next: ip6: fetch inetpeer in ip6frag_init Richard Gobert
2022-08-29 22:20 ` Eric Dumazet
2022-09-01 14:48 ` Richard Gobert [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20220901144810.GA31767@debian \
--to=richardbgobert@gmail$(echo .)com \
--cc=alex.aring@gmail$(echo .)com \
--cc=corbet@lwn$(echo .)net \
--cc=coreteam@netfilter$(echo .)org \
--cc=davem@davemloft$(echo .)net \
--cc=dsahern@kernel$(echo .)org \
--cc=edumazet@google$(echo .)com \
--cc=fw@strlen$(echo .)de \
--cc=kadlec@netfilter$(echo .)org \
--cc=kafai@fb$(echo .)com \
--cc=kuba@kernel$(echo .)org \
--cc=linux-doc@vger$(echo .)kernel.org \
--cc=linux-kernel@vger$(echo .)kernel.org \
--cc=linux-wpan@vger$(echo .)kernel.org \
--cc=netdev@vger$(echo .)kernel.org \
--cc=netfilter-devel@vger$(echo .)kernel.org \
--cc=pabeni@redhat$(echo .)com \
--cc=pablo@netfilter$(echo .)org \
--cc=stefan@datenfreihafen$(echo .)org \
--cc=yoshfuji@linux-ipv6$(echo .)org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox