From: Florian Westphal <fw@strlen.de>
To: Fernando Fernandez Mancera <fmancera@suse.de>
Cc: netfilter-devel@vger.kernel.org, coreteam@netfilter.org,
louis.t42@caramail.com
Subject: Re: [PATCH nf] netfilter: nft_connlimit: fix stale read of connection count
Date: Fri, 24 Oct 2025 13:33:42 +0200 [thread overview]
Message-ID: <aPtkFjOiFXA6vfzB@strlen.de> (raw)
In-Reply-To: <33d6f2aa-2c10-4727-b78d-0fefc64b2d35@suse.de>
Fernando Fernandez Mancera <fmancera@suse.de> wrote:
> If this is only supposed to be checked for SYN packets, that is, a new
> connection is started.. a simple fix could be to check whether this is a
> SYN packet or not, break if it isn't. Similar to what is done on
> synproxy eval function. What do you think?
It should work for any protocol, not just SYN.
But we can't change it now to just check NEW, we would have to provide
same result as without it (just without the potential double-add).
next prev parent reply other threads:[~2025-10-24 11:33 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-23 23:20 [PATCH nf] netfilter: nft_connlimit: fix stale read of connection count Fernando Fernandez Mancera
2025-10-23 23:32 ` Fernando Fernandez Mancera
2025-10-24 11:02 ` Florian Westphal
2025-10-24 11:14 ` Fernando Fernandez Mancera
2025-10-24 11:33 ` Florian Westphal [this message]
2025-10-24 11:31 ` Florian Westphal
2025-10-24 11:55 ` Fernando Fernandez Mancera
2025-10-24 12:49 ` Florian Westphal
2025-10-24 13:04 ` Fernando Fernandez Mancera
2025-10-24 15:47 ` Fernando Fernandez Mancera
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