On Wed, Dec 14, 2011 at 03:22:19PM -0600, Eric Haszlakiewicz wrote:
> On Wed, Dec 14, 2011 at 07:57:43AM +0000, Michael van Elst wrote:
> > mm_li...@pulsar-zone.net (Matthew Mondor) writes:
> > 
> > >What does NFS do in this case?  I seem to remember that it also imposes
> > >a sane size limit, possibly even below NGROUPS_MAX, is it really the
> > >case?  If so, would this also be acceptable?
> > 
> > NFS (or rather the underlying SunRPC) passes an array of 16 gids, which is
> > a common problem when you try to use groups for fine grained access control.
> 
> Based on what I've read, it's only NFSv3 that works like that.  With
> NFSv4 the access control can be based on what groups the server thinks the
> user is in, so there are no group ids being passed.

http://nfsworld.blogspot.com/2005/03/whats-deal-on-16-group-id-limitation.html

Greetings,
-- 
                                Michael van Elst
Internet: mlel...@serpens.de
                                "A potential Snark may lurk in every tree."

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