Install Samba and Create a shared directory that anybody can read and write, and authentication is not needed.

 Computers and Networking
Sep 042011
  
yum -y install samba 

mkdir /home/share 
chmod 777 /home/share 
vi /etc/samba/smb.conf 

# near line 66: add
unix charset = UTF-8 

# line 87: change (Windows' default)
workgroup = WORKGROUP 

# line 93: uncomment and change IP address you allow
hosts allow = 127. 10.0.0. 

# line 119: change (no auth)
security = share 

# add at the bottom
[Share]# any name you like
   path = /home/share# shared directory
   writable = yes# OK to write
   guest ok = yes# guest OK
   guest only = yes# guest only
   create mode = 0777# fully accessed
   directory mode = 0777# fully accessed
   share modes = yes# warn if some people access to a file

/etc/rc.d/init.d/smb start 
Starting SMB services:[  OK  ]
chkconfig smb on
From: http://www.server-world.info/en/