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Re: [Linux-cluster] RHEL4.5, GFS and selinux, are they playing nice?



--- Ryan O'Hara <rohara redhat com> wrote:

> 
> Roger Peña wrote:
> 
> >> is this related to the fact that selinux policy
> >> stated
> >> this:
> >> genfscon gfs /  system_u:object_r:nfs_t
> 
> Yes. This is what would be used for a filesystem
> that does not support 
> selinux xattrs. In RHEL4.5, SELinux xattr support
> was added to GFS. 
> However...
> 
> > should I follow what is stated for reiserfs in
> this
> > url:
> > http://james-morris.livejournal.com/3580.html
> 
> Yes. GFS needs to be defined as a filesystem that
> supports selinux xattrs.
> 
> > if I should do it, because is the right thing to
> do,
> > why:
> > 1- redhat did not do it for the release of 4.5 ?
> 
> The reason that the selinux policy was not updated
> for RHEL4.5 (in 
> regards to selinux xattr support for GFS) is
> described in BZ 215559, 
> comment #3:
> 
> "Changing this on the installed environment could
> have unexpected 
> results.  For example, currently all files on gfs
> are unlabled and 
> treated as nfs_t.  If I suddenly make this change,
> these file would then 
> be treated file_t and any domain that was using them
> would become unable 
> to .  This would require a relabel to fix.  And
> could cause hundreds of 
> AVC messages.  I do not feel this is worth it since
> almost everyone will 
> not use the labels on GFS to treat one file
> differently than another. In 
> the future, where you might have /usr mounted on a
> gfs or gfs2 
> partition, this would become more valuable."

thanks a lot
I had few days looking in the net but never look in
bugzilla :-( jejejeje


> 
> > 2- others aren't getting this king of problems?
> 
> I'm not sure how many people are using GFS with
> SELinux enabled. :)

I was forced to, by httpd, it complain about not able
to open configuration files and documentRoots ....

ok, I will try to follow what stated in the webpage,
and relabel the system, but this after I study a litle
bit more about selinux :-)

thanks again
roger

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