From: Florian Westphal <fw@strlen.de>
To: Jozsef Kadlecsik <kadlec@netfilter.org>
Cc: Florian Westphal <fw@strlen.de>, netfilter-devel@vger.kernel.org
Subject: Re: [PATCH nf 2/2] netfilter: conntrack: re-init state for retransmitted syn-ack
Date: Sat, 29 Jan 2022 21:28:11 +0100 [thread overview]
Message-ID: <20220129202811.GL25922@breakpoint.cc> (raw)
In-Reply-To: <8388b8bd-3c41-a8ec-c338-28be9491fa74@netfilter.org>
Jozsef Kadlecsik <kadlec@netfilter.org> wrote:
> I can only assume that the client is/are behind like a carrier-grade NAT
> and the bogus SYN-ACK sent by the server is replying a connection attempt
> from another client. Yes, the best thing to do is to reinit the state.
Yes, thats my guess as well, some sort of CGN or stateless nat hding
multiple clients.
Thanks for the quick review!
next prev parent reply other threads:[~2022-01-29 20:28 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-29 16:47 [PATCH nf 1/2] netfilter: conntrack: move synack init code to helper Florian Westphal
2022-01-29 16:47 ` [PATCH nf 2/2] netfilter: conntrack: re-init state for retransmitted syn-ack Florian Westphal
2022-01-29 20:25 ` Jozsef Kadlecsik
2022-01-29 20:28 ` Florian Westphal [this message]
2022-02-04 4:42 ` Pablo Neira Ayuso
2022-01-29 20:18 ` [PATCH nf 1/2] netfilter: conntrack: move synack init code to helper Jozsef Kadlecsik
2022-02-04 4:42 ` Pablo Neira Ayuso
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=20220129202811.GL25922@breakpoint.cc \
--to=fw@strlen.de \
--cc=kadlec@netfilter.org \
--cc=netfilter-devel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.