[Samba] Samba behind firewall

[Felipe Alfaro Solana]

> >I guess 137/tcp, 137/udp, 138/tcp, 138/udp, 139/tcp, 139/udp, 445/upd,
> >445/tcp.
>
>
> Those ports above are already open.  I was able to join samba to my windows
> domain successfully.  However, the machine will not show on Network
> Neighborhood.  I could not map to the machine as well.

Have you loaded the netbios connection tracking module? It's needed,
since Winblows usually uses broadcasting.