[Samba] Netbios Browsing with 4.1.7 - Can I get some clarification on how to use "internal nbt server" (or if I am even able to)

Günter Kukkukk linux at kukkukk.com
Sun May 4 17:21:54 MDT 2014

Am 04.05.2014 17:43, schrieb JD Daniels:
> I have been searching around - I cant seem to figure out if netbios browsing is supposed to work or not.
> # /usr/sbin/nmbd -F -S
> nmbd version 4.1.7 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2013
> server role = 'active directory domain controller' not compatible with running nmbd standalone.
> You should start 'samba' instead, and it will control starting the internal nbt server
> How do I determine if the nbt server is running? (I cannot see my samba 4.1.7 AD server with netbios browsing)
> Some resources I found in my searching say this simply does not work

when you run samba as an AD DC, an internal nbt-server is started:

li131:~ # samba-tool processes
 Service:                PID
dnsupdate               8131
nbt_server              8122  <=== NBT-server
rpc_server              8120
cldap_server            8125
winbind_server          8128
kdc_server              8126
samba                      0
dreplsrv                8127
kccsrv                  8130
ldap_server             8124

This internal nbt-server in not very feature rich, so has lots
of limitations compared to the separate nmbd implementation.

But very basic stuff is working:

li131:~ # nmblookup li131
Got a positive name query response from ( ) li131<00>

li131:~ # nmblookup -A
Looking up status of
        LI131           <00> -         M <ACTIVE>
        LI131           <03> -         M <ACTIVE>
        LI131           <20> -         M <ACTIVE>
        ADDLZ           <1c> - <GROUP> M <ACTIVE>
        ADDLZ           <00> - <GROUP> M <ACTIVE>
        __SAMBA__       <00> - <GROUP> M <ACTIVE> <PERMANENT>
        __SAMBA__       <20> - <GROUP> M <ACTIVE> <PERMANENT>

        MAC Address = 00-00-00-00-00-00

Cheers, Günter


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