Re: FC5, Firefox, NFS /home

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On Tue, 2006-06-20 at 15:30 +0200, Ralf Corsepius wrote:
> > 
> >  >> Using /home as a network share is inherently insecure,
> > 
> >  > What does that mean?
> Paranoia :)
> 
> > Threats To Server Security
> > https://www.redhat.com/docs/manuals/linux/RHL-8.0-Manual/security-guide/s1-risk-serv.html
> > 
> > ######
> > "Inherently Insecure Services
> 
> > Another example of insecure services are network file systems and
> > information services such as NFS or NIS which are developed explicitly
> > for LAN usage but are, unfortunately, extended to include WANs (for
> > remote users).
> Note: LAN!

The link sort-of mentions the problem but isn't very explict about
it.

> IMO, NFS/NIS are perfectly suitable for use inside of a LAN. Of cause
> these services impose a certain level on insecurity, but at a certain
> point paranoia has to stop and trust has to start.

NFS allows anyone who can become root on any machine allowed to
access it (perhaps by booting a Knoppix CD...) to mount and access
anything.  Even if you don't permit root access, anyone who is
root locally can pretend to be anyone else.

-- 
  Les Mikesell
   lesmikesell@xxxxxxxxx


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