[Samba] Samba Breaks with ACLs

Henrik Zagerholm henke at mac.se
Mon Oct 30 19:16:47 GMT 2006

You could always edit your fstab file and mount your fs without acl  

But you can also take some time and study the ACL support in Samba.  
Correctly implemented its a powerful feature.


30 okt 2006 kl. 16:51 skrev John Goerzen:

> Hello,
> We are running Samba 3.0.23c on Debian.
> Over the weekend, we updated out file server to Debian's kernel  
> 2.6.18.  We
> had previously never run a kernel with ACL support enabled.  Since the
> upgrade, we are seeing very strange permission behavior.  It  
> appears to be
> related to POSIX ACL support in Samba.
> It seems that what's happening is this.
> We have a number of files that are user/group writable (permissions  
> 0664).
> When a user that is someone other than the Unix owner of the file  
> writes to
> it, the permissions switch to 0474 (-r--rwxr--) and an ACL is added  
> with
> this second user getting read/write permission to it.
> Unfortunately, the Unix owner of the file now is locked out of  
> writing to
> it.
> We never had any problem with permissions on these files before  
> using the
> ACL-enabled kernel.
> Is there a way to completely disable POSIX ACL support at runtime,  
> and have
> Samba just revert back to its behavior when on a filesystem that  
> does not
> support POSIX ACLs?
> Or, better yet, is there a way to fix this behavior?
> Thanks,
> -- John
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