[Samba] Samba 4 DC Firewall settings

[steve]

Samba 4.0.4 on openSUSE 12.3
Hi everyone.

Does anyone have a list of ports which have to be open to allow full DC 
operation?

I'm no expert in firewalls and only have Yast at my disposal to 
configure it. I've tried opening samba server and DNS server ports via 
Yast but I must be missing something because I have to turn off the 
firewall to e.g. join a Windows client to the domain. Maybe Yast isn't 
the right tool?

Cheers,
Steve