9.0 install and journaling

Devin Teske devin.teske at fisglobal.com
Tue Dec 13 16:55:01 UTC 2011

> -----Original Message-----
> From: owner-freebsd-questions at freebsd.org [mailto:owner-freebsd-
> questions at freebsd.org] On Behalf Of Da Rock
> Sent: Monday, December 12, 2011 3:55 PM
> To: freebsd-questions at freebsd.org
> Subject: Re: 9.0 install and journaling
> On 12/13/11 06:00, Eric S Pulley wrote:
> >> As for one big / partition- linux may be using it: and its their
> >> biggest failing! I've had a system lockup due to lack of space. Never
> >> a problem with bsd as logs will only fill up var, a user won't break
> >> it with filling up usr, etc. And root always stays protected! Its
> >> saved my life a number of times... I can quickly fill TB's of data in
> >> no time, and if something goes bang the logs can be a silent killer too. My
> anyway...
> >> _______________________________________________
> >>
> > And along those lines for security of the system, this is the U.S. DoD
> > recommendations (well mandates really) including ZFS. Not that the DoD
> > doesn't have security problems... but I'm not big fan of the one or
> > two mount point solution either. never understood why other OS
> > packagers think is okay to just dump it all under /
> >
> > Per the DISA STIG (Security Technical Implementation Guide)
> >
> > / (obviously)
> > /<home directories)>
> > /var
> > /tmp
> > /<location of audit files>
> >
> > should all be separate mount points "The use of separate file systems
> > for different paths can protect the system from failures resulting
> > from a file system becoming full or failing"...
> >
> > in addition...
> >
> > All local file systems must employ journaling or another mechanism
> > that ensures file system consistency.
> >
> > Removable media, remote file systems, and any file system that does
> > not contain approved device files must be mounted with the "nodev" option.

We're seeing in 8.1-RELEASE that "nodev" is an invalid option for NFS mounts
that causes your system to boot into single-user mode. Is this still the case in
9.0-RC2/3 or has the option been re-added? "nodev" was a valid option in
4.11-RELEASE, not sure why it was removed (and/or made invalid).

> >
> > Removable media, remote file systems, and any file system that does
> > not contain approved setuid files must be mounted with the "nosuid" option.
> >
> > The nosuid option must be enabled on all NFS client mounts.
> >
> > and so on... you can find a copy of the UNIX STIG online and some of
> > it is just crazy paranoia and makes your life a pain, but there are a
> > lot of good practices in it too.
> >
> >
> I don't think any of it crazy paranoia. A PITA, maybe, but not paranoid.
> Do you have a link to the original of it?
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