samba - Mar 2004 - Restrict to one interface for all services?

I am sorry if this has been up before, but I could not find it so here it
goes...

I run samba on my firewall, and want to restrict all services to the internal
network interface. According to the
documentation, this is possible, and I have experimented around with
combinations like:

        hosts allow = 127. 192.168.1. 
        interfaces = eth1
        bind interfaces only = yes
        disable netbios = yes

This makes most services stick to eth1, but not all. If I do 'netstat
-l':

 ..
udp        0      0 192.168.1.10:netbios-ns  *:* 
udp        0      0 *:netbios-ns             *:* 
 ..

Any ideas?

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