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

Thu Nov 6 18:05:01 UTC 2014
Mike Watson <mikew at crucis.net>

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.

Mike W

#======================= Global Settings
=====================================

[global]
log file = /var/log/samba/log.%m
lpq command = lpq -L           
restrict anonymous = no        
socket options = SO_KEEPALIVE TCP_NODELAY
sync always = yes                        
ntlm auth = no                           
guest ok = yes                           
client use spnego = no                   
null passwords = yes                     
hide dot files = no                      
domain master = no                       
username map = /etc/samba/user.map       
use spnego = no                          
winbind trusted domains only = yes       
winbind use default domain = yes         
lprm command = lprm                      
logon home = \\%25N\%25U                 
cups options = raw                       
print command = lpr -l -P%p %s           
read only = no                           
server string = Orion Samba Server Version %v
default service = global                    
path = /var/spool/samba                     
remote announce = 192.168.1.5/MAYNARD 192.168.1.10/MAYNARD
192.168.1.16/MAYNARD 192.168.1.20/MAYNARD 192.168.1.25/MAYNARD
192.168.1.30/MAYNARD 192.168.1.100/MAYNARD 192.168.1.101/MAYNARD
192.168.1.102/MAYNARD 192.168.1.103/MAYNARD 192.168.1.104/MAYNARD
192.168.1.105/MAYNARD 192.168.1.106/MAYNARD 192.168.1.107/MAYNARD
192.168.1.108/MAYNARD 192.168.1.109/MAYNARD
                                        
workgroup = maynard
                                                                             

logon path =
\\%25N\%25U\profile                                                                

preload =
global                                                                                

security =
share                                                                                

max log size =
50                                                                               

encrypt passwords =
no                                                                          




#============================ Share Definitions
==============================

[Home]
        comment = Home Directories
        delete readonly = yes    
        path = /home             
        strict sync = yes        
;       valid users = %S         
;       valid users = MYDOMAIN\%S

[printers]
comment = All Printers
browseable = no      
printable = yes

[Var]
comment = Var-Web-Ebooks
delete readonly = yes
inherit permissions = yes
path = /var
strict sync = yes

[mikew]
        comment = Home Directory
        delete readonly = yes
        inherit permissions = yes
        path = /home/Home


[Stuff]
path = /home/stuff

[Root]
path = /

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