linux-kernel - Re: [PATCH v3 1/1] netfilter: load nf_log_syslog on enabling nf_conntrack_log

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Message-ID: <aIgb64Riu6FBcC28@calendula>
Date: Tue, 29 Jul 2025 02:55:07 +0200
From: Pablo Neira Ayuso <pablo@...filter.org>
To: Lance Yang <lance.yang@...ux.dev>
Cc: fw@...len.de, coreteam@...filter.org, davem@...emloft.net,
	edumazet@...gle.com, horms@...nel.org, kadlec@...filter.org,
	kuba@...nel.org, linux-kernel@...r.kernel.org,
	netfilter-devel@...r.kernel.org, pabeni@...hat.com, zi.li@...ux.dev
Subject: Re: [PATCH v3 1/1] netfilter: load nf_log_syslog on enabling
 nf_conntrack_log_invalid

On Mon, Jul 28, 2025 at 06:25:14PM +0800, Lance Yang wrote:
> From: Lance Yang <lance.yang@...ux.dev>
> 
> When no logger is registered, nf_conntrack_log_invalid fails to log invalid
> packets, leaving users unaware of actual invalid traffic. Improve this by
> loading nf_log_syslog, similar to how 'iptables -I FORWARD 1 -m conntrack
> --ctstate INVALID -j LOG' triggers it.

JFYI: I ended up taking v2 into nf-next, let me know if there is any
issue with your previous version, thanks.