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Date:      Tue, 22 Dec 1998 13:43:23 +1300 (NZDT)
From:      Andrew McNaughton <andrew@squiz.co.nz>
To:        Eivind Eklund <eivind@yes.no>
Cc:        Cliff Skolnick <cliff@steam.com>, Matt Dillon <dillon@FreeBSD.ORG>, security@FreeBSD.ORG
Subject:   Re: cvs commit: src/etc rc.conf
Message-ID:  <Pine.BSF.4.05.9812221337040.23019-100000@aniwa.sky>
In-Reply-To: <19981222000242.H14124@follo.net>

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On Tue, 22 Dec 1998, Eivind Eklund wrote:

> On Mon, Dec 21, 1998 at 01:51:20PM -0800, Cliff Skolnick wrote:
> > This sandbox stuff is starting to worry me :(
> > 
> > The more FreeBSD changes stock daemons used on many other UNIX systems the
> > harder it will be to respond to know bugs.  For denial of service attacks
> > often the sandbox will not help, if the daemon dumps core or becomes
> > unusable it doesn't matter what UID it was.
> > 
> > The sandbox changes a fundamental design of UNIX, and makes FreeBSD
> > "different" than other UNIX systems.  The difference in the short term may
> > be more security, but in the long term FreeBSD daemons could become
> > hopelessly out of sync with standard daemon distributions over time.  It's
> > one thing to change a few permissions and directory names, it's completely
> > different to start passing file descriptors (which is only mildly portable)
> > via a coprocess.
> 
> We track BIND from Vixie.  If we're going to do this sort of changes,
> we will at least attempt to get it integrated in the standard
> distribution.  There will not be any large-scale patches that make it
> difficult to track the standard distribution.

Yes there's a problem when things get too different from other unix
implementations, but this is a valuable extension to traditional unix.  

Is it possible to bring the other unixes along? Would it be possible to
present a standard interface spec designed to be implemented on other
platforms also?

Andrew McNaughton


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