[CentOS] Samba guest no write access after update to samba -3.6.23-12.el6.x86_64

Thu Nov 6 19:47:20 UTC 2014
Bowie Bailey <Bowie_Bailey at BUC.com>

On 11/6/2014 1:05 PM, Mike Watson wrote:
> I have an established server initially created with CentOS 6.5 and
> updated weekly. Last week there was a massive update that I believe
> upgraded my server to 6.6.
>
> I had a number of issues after the upgrade---like my firewall being
> turned on and blocking all inbound ports. (I have an external firewall.)
> I've fixed all the issues created by this upgrade except for one.
>
> I have a number of samba shares on this server used by some WinXP boxes
> on my network and two other linux (Fedora) workstations. Since the
> upgrade, guest/nobody write access no longer works. The smb.conf file is
> unchanged.
>
> The config file below has been unchanged since my initial installation.
> Anyone know how I can restore guest write access? Guest can read, but
> not write to the share.

I don't see anything obvious.  The first thing I would do is to take a 
look at 'smbstatus' while a guest user is logged on and make sure it is 
connecting as the user you expect.

-- 
Bowie