From: Richard Guy Briggs <rgb@redhat.com>
To: Florian Westphal <fw@strlen.de>
Cc: Phil Sutter <phil@nwl.cc>, LKML <linux-kernel@vger.kernel.org>,
Linux-Audit Mailing List <linux-audit@redhat.com>,
netfilter-devel@vger.kernel.org, twoerner@redhat.com,
Eric Paris <eparis@parisplace.org>,
tgraf@infradead.org
Subject: Re: [PATCH ghak124 v3] audit: log nftables configuration change events
Date: Thu, 18 Feb 2021 08:28:43 -0500 [thread overview]
Message-ID: <20210218132843.GP3141668@madcap2.tricolour.ca> (raw)
In-Reply-To: <20210218125248.GB22944@breakpoint.cc>
On 2021-02-18 13:52, Florian Westphal wrote:
> Richard Guy Briggs <rgb@redhat.com> wrote:
> > On 2021-02-18 09:22, Florian Westphal wrote:
> > > No. There is a hierarchy, e.g. you can't add a chain without first
> > > adding a table, BUT in case the table was already created by an earlier
> > > transaction it can also be stand-alone.
> >
> > Ok, so there could be a stand-alone chain mod with one table, then a
> > table add of a different one with a "higher ranking" op...
>
> Yes, that can happen.
Ok, can I get one more clarification on this "hierarchy"? Is it roughly
in the order they appear in nf_tables_commit() after step 3? It appears
it might be mostly already. If it isn't already, would it be reasonable
to re-order them? Would you suggest a different order?
(snip GET bits, that's now clear, thank you)
> > such that it would be desirable to filter them out
> > to reduce noise in that single log line if it is attempted to list all
> > the change ops? It almost sounds like it would be better to do one
> > audit log line for each table for each family, and possibly for each op
> > to avoid the need to change userspace. This would already be a
> > significant improvement picking the highest ranking op.
>
> I think i understand what you'd like to do. Yes, that would reduce
> the log output a lot.
Would the generation change id be useful outside the kernel? What
exactly does it look like? I don't quite understand the genmask purpose.
- RGB
--
Richard Guy Briggs <rgb@redhat.com>
Sr. S/W Engineer, Kernel Security, Base Operating Systems
Remote, Ottawa, Red Hat Canada
IRC: rgb, SunRaycer
Voice: +1.647.777.2635, Internal: (81) 32635
next prev parent reply other threads:[~2021-02-18 16:14 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-04 13:20 [PATCH ghak124 v3] audit: log nftables configuration change events Richard Guy Briggs
2020-06-04 17:03 ` Steve Grubb
2020-06-04 17:57 ` Richard Guy Briggs
2020-06-04 18:51 ` Steve Grubb
2020-06-24 0:34 ` Paul Moore
2020-06-24 10:03 ` Pablo Neira Ayuso
2020-06-24 12:34 ` Richard Guy Briggs
2020-06-24 13:03 ` Pablo Neira Ayuso
2020-06-24 13:26 ` Richard Guy Briggs
2021-02-11 15:16 ` Phil Sutter
2021-02-11 16:29 ` Paul Moore
2021-02-11 20:26 ` Richard Guy Briggs
2021-02-11 22:09 ` Florian Westphal
2021-02-17 23:41 ` Richard Guy Briggs
2021-02-18 8:22 ` Florian Westphal
2021-02-18 12:42 ` Richard Guy Briggs
2021-02-18 12:52 ` Florian Westphal
2021-02-18 13:28 ` Richard Guy Briggs [this message]
2021-02-18 13:41 ` Florian Westphal
2021-02-18 21:20 ` Richard Guy Briggs
2021-02-18 22:42 ` Florian Westphal
2021-02-19 6:26 ` Richard Guy Briggs
2021-02-19 19:25 ` Richard Guy Briggs
2021-02-12 20:48 ` Richard Guy Briggs
2021-02-11 21:02 ` Steve Grubb
2021-02-12 12:11 ` Phil Sutter
2021-02-12 20:54 ` Richard Guy Briggs
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