[Pkg-exim4-users] /var/spool/exim4/input/... Permission denied [SOLVED]

Ross Boylan ross at biostat.ucsf.edu
Thu Apr 20 04:17:28 UTC 2006

On Wed, Apr 19, 2006 at 08:28:39PM +0200, Andreas Metzler wrote:
... [offlist diagnosis of log file]
> So exim has not got root priviledges even freshly after executing
> /usr/sbin/exim4. This is usually caused by the binary not being SUID
> root, however we already ruled that out. - Is perhaps /usr/sbin
> mounted with nosuid (e.g mount option user implies it)
Yes.  I removed it (all of /usr), and all's well.

I must have done that deliberately, in a fit of security
consciousness, but I'd completely forgotten.  Thanks for helping me
track that down.

I had sprinkled nosuid and nodev over lots of things; I've now removed
them.  I started with /usr, but then realized /var probably needs it
off too (since some stuff runs chroot there, or at least runs
there--hylafax, I think).  And maybe I'll build something in
/usr/local that needs it.  So I just took it off everywhere.

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