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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Alex Forster <aforster@cloudflare.com>
Cc: Kyle Bowman <kbowman@cloudflare.com>,
	kernel-team <kernel-team@cloudflare.com>,
	Jozsef Kadlecsik <kadlec@netfilter.org>,
	Florian Westphal <fw@strlen.de>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	netfilter-devel@vger.kernel.org, coreteam@netfilter.org,
	linux-kernel@vger.kernel.org,
	Network Development <netdev@vger.kernel.org>
Subject: Re: [PATCH] netfilter: xt_NFLOG: allow 128 character log prefixes
Date: Tue, 27 Jul 2021 23:52:40 +0200	[thread overview]
Message-ID: <20210727215240.GA25043@salvia> (raw)
In-Reply-To: <CAKxSbF3ZLjFo2TaWATCA8L-xQOEppUOhveybgtQrma=SjVoCeg@mail.gmail.com>

On Tue, Jul 27, 2021 at 04:44:42PM -0500, Alex Forster wrote:
> > I'm not refering to nftables, I'm refering to iptables-nft.
> 
> Possibly I'm misunderstanding. Here's a realistic-ish example of a
> rule we might install:
> 
>     iptables -A INPUT -d 11.22.33.44/32 -m bpf --bytecode "43,0 0 0
> 0,48 0 0 0,...sic..." -m statistic --mode random --probability 0.0001
> -j NFLOG --nflog-prefix "drop 10000 c37904a83b344404
> e4ec6050966d4d2f9952745de09d1308"
> 
> Is there a way to install such a rule with an nflog prefix that is >63 chars?

Yes, you can update iptables-nft to use nft_log instead of xt_LOG,
that requires no kernel upgrades and it will work with older kernels.

  reply	other threads:[~2021-07-27 21:52 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-27 19:00 Kyle Bowman
2021-07-27 19:54 ` Pablo Neira Ayuso
2021-07-27 20:06   ` Alex Forster
2021-07-27 21:10     ` Pablo Neira Ayuso
2021-07-27 21:22       ` Alex Forster
2021-07-27 21:27         ` Pablo Neira Ayuso
2021-07-27 21:44           ` Alex Forster
2021-07-27 21:52             ` Pablo Neira Ayuso [this message]
2021-07-27 22:45               ` Alex Forster
2021-07-27 23:02                 ` Pablo Neira Ayuso
2021-07-28  1:43                 ` [netfilter-core] " Phil Sutter
2021-07-30 18:27                   ` Kyle Bowman
2021-08-01 14:14                     ` Jeremy Sowden

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