Ubuntu
nfs-utils package

  1. Bug #966734
  2. Comment #2

Comment 2 for bug 966734

Revision history for this message
Steve Langasek (vorlon) wrote : Re: [Bug 966734] [NEW] nfs4 allows writes by incorrect users

Hi Toby,

On Wed, Mar 28, 2012 at 01:28:14AM -0000, Toby Corkindale wrote:

> The bug in question involves using nfs v4 with the idmapd, with users with
> the same username but differing uids across the client and server. The
> idmapping appears to have worked, until you try to write to the
> directories, at which point it skips the idmapping.

How is /etc/exports configured on your server? Are you using GSSAPI
security?

I don't see the problem you describe using GSSAPI-authenticated NFSv4
shares.

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