From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Vladimir Nikishkin <lockywolf@gmail.com>
Cc: netfilter@vger.kernel.org
Subject: Re: What is the GPRINT output plugin for?
Date: Tue, 4 Jan 2022 12:24:57 +0100 [thread overview]
Message-ID: <YdQuiVS9DyNtMsCa@salvia> (raw)
In-Reply-To: <87y256gyti.fsf@laptop.lockywolf.net>
On Tue, Nov 30, 2021 at 10:30:17AM +0800, Vladimir Nikishkin wrote:
> Dear Netfilter users,
>
> I have been recently trying to find out how to efficiently log
> suspicious packets passing through my firewall. While perusing ulogd2
> examples, as well as netfilter mailing list, I found about the existence
> of the GPRINT output plugin.
>
> However, the basic stack suggested in ulogd.conf:
> ```
> stack=log4:NFLOG,gp1:GPRINT
> ```
> did not really work for me, ulogd was complaining about
> ```
> ulogd.c:854 type mismatch between GPRINT and NFLOG in stack
This is a bug:
https://patchwork.ozlabs.org/project/netfilter-devel/patch/20220104112056.4034-1-pablo@netfilter.org/
> ```
> And the log file was empty.
>
> I haven't found any other documentation for GPRINT.
> What is it and what is it for?
Yet another output plugin which displays every field brought to you bu
the input plugin feeder.
prev parent reply other threads:[~2022-01-04 11:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-30 2:30 What is the GPRINT output plugin for? Vladimir Nikishkin
2022-01-04 11:24 ` Pablo Neira Ayuso [this message]
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