linux-kernel - Re: [PATCH v3 00/11] Add namespace support for syslog

Open Source and information security mailing list archives

Message-ID: <20130807134823.GA3702@sergelap>
Date:	Wed, 7 Aug 2013 08:48:23 -0500
From:	Serge Hallyn <serge.hallyn@...ntu.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Rui Xiang <rui.xiang@...wei.com>, netdev@...r.kernel.org,
	containers@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org, libo.chen@...wei.com,
	netfilter-devel@...r.kernel.org, guz.fnst@...fujitsu.com,
	akpm@...ux-foundation.org
Subject: Re: [PATCH v3 00/11] Add namespace support for syslog

Quoting Eric W. Biederman (ebiederm@...ssion.com):
> 
> Since this still has not been addressed.  I am going to repeat Andrews
> objection again.
> 
> Isn't there a better way to get iptables information out than to use
> syslog.  I did not have time to follow up on that but it did appear that

Bruno suggested NFLOG target + ulogd.  That's not ideal, but doable.  At
least each container should be able to do that for itself.  What it
won't do is let a host admin make sure that he doesn't get corrupted
syslog entries when partial-lines get sent from several containers and
the kernel and randomly spliced together.  It also would simply be
better if the information was *always* sent to userspace instead of
syslog.

> someone did have a better way to get the information out.
> 
> Essentially the argument against this goes.  The kernel logging facility
> is really not a particularly good tool to be using for anything other
> than kernel debugging information, and there appear to be no substantial
> uses for a separate syslog that should not be done in other ways.
> 
> That design objection must be addressed before merging this code can be
> given serious consideration.
> 
> Eric
> _______________________________________________
> Containers mailing list
> Containers@...ts.linux-foundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/containers
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