Re: [saag] [nfsv4] [Labeled-nfs] Common labeled security (comment on CALIPSO, labeled NFSv4)

Nicolas Williams <Nicolas.Williams@sun.com> Wed, 08 April 2009 16:21 UTC

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Date: Wed, 8 Apr 2009 10:43:29 -0500
From: Nicolas Williams <Nicolas.Williams@sun.com>
To: James Morris <jmorris@namei.org>
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Cc: labeled-nfs@linux-nfs.org, Kurt Zeilenga <Kurt.Zeilenga@Isode.com>, nfsv4@ietf.org, saag@ietf.org, nfs-discuss@opensolaris.org, Casey Schaufler <casey@schaufler-ca.com>, Santosh Chokhani <SChokhani@cygnacom.com>
Subject: Re: [saag] [nfsv4] [Labeled-nfs] Common labeled security (comment on CALIPSO, labeled NFSv4)
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On Wed, Apr 08, 2009 at 08:45:06PM +1000, James Morris wrote:
> I don't know about TX, but it seems possible that someone might want to 
> make SELinux with an MLS policy interoperate with a different MLS platform 
> (note that this would not apply in the case of interop with purely legacy 
> systems, as they won't have NFSv4.x support).  I have no idea how likely 
> this scenario is, and I wouldn't try to accommodate this goal in the 
> protocol unless a stakeholder could make a solid case for it.

Well, here at the IETF we do like to have interoperable protocols.  We
ought to at least try.

> Note that we should expect interoperability between Solaris FMAC and 
> SELinux (i.e. the same security model implemented on different platforms, 
> like Unix DAC).

OK.