smb.conf

[global]
   read raw = Yes
   write raw = Yes
   socket options = TCP_NODELAY IPTOS_LOWDELAY SO_RCVBUF=131072 SO_SNDBUF=131072
   min receivefile size = 16384
   use sendfile = true
   aio read size = 16384
   aio write size = 16384

   unix charset = UTF-8
   dos charset = CP932

   hosts allow = 127. 192.168.

   guest ok = yes
   security = user
   oplocks = no
   dns proxy = no

   map to guest = bad user

[home]
   path = /home/mmmpa/Dropbox
   writable = yes
   guest ok = yes
   read only = no
   create mask = 0777
   directory mask = 0777
   force user = mmmpa