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NMBLOOKUP4(1)				  User Commands 			    NMBLOOKUP4(1)

NAME
       nmblookup4 - NetBIOS over TCP/IP client used to lookup NetBIOS names

SYNOPSIS
       nmblookup4 [-M] [-R] [-S] [-r] [-A] [-h] [-B <broadcast address>] [-U <unicast address>]
		  [-d <debug level>] [-s <smb config file>] [-i <NetBIOS scope>] [-T] [-f] {name}

DESCRIPTION
       This tool is part of the samba(7) suite.

       nmblookup4 is used to query NetBIOS names and map them to IP addresses in a network using
       NetBIOS over TCP/IP queries. The options allow the name queries to be directed at a
       particular IP broadcast area or to a particular machine. All queries are done over UDP.

OPTIONS
       -M
	   Searches for a master browser by looking up the NetBIOS name with a type of 0x1d. If
	    name is "-" then it does a lookup on the special name __MSBROWSE__. Please note that
	   in order to use the name "-", you need to make sure "-" isn't parsed as an argument,
	   e.g. use : nmblookup4 -M -- -.

       -R
	   Set the recursion desired bit in the packet to do a recursive lookup. This is used
	   when sending a name query to a machine running a WINS server and the user wishes to
	   query the names in the WINS server. If this bit is unset the normal (broadcast
	   responding) NetBIOS processing code on a machine is used instead. See RFC1001, RFC1002
	   for details.

       -S
	   Once the name query has returned an IP address then do a node status query as well. A
	   node status query returns the NetBIOS names registered by a host.

       -r
	   Try and bind to UDP port 137 to send and receive UDP datagrams. The reason for this
	   option is a bug in Windows 95 where it ignores the source port of the requesting
	   packet and only replies to UDP port 137. Unfortunately, on most UNIX systems root
	   privilege is needed to bind to this port, and in addition, if the nmbd(8) daemon is
	   running on this machine it also binds to this port.

       -A
	   Interpret name as an IP Address and do a node status query on this address.

       -B <broadcast address>
	   Send the query to the given broadcast address. Without this option the default
	   behavior of nmblookup4 is to send the query to the broadcast address of the network
	   interfaces as either auto-detected or defined in the interfaces[1] parameter of the
	   smb.conf(5) file.

       -U <unicast address>
	   Do a unicast query to the specified address or host unicast address. This option
	   (along with the -R option) is needed to query a WINS server.

       -T
	   This causes any IP addresses found in the lookup to be looked up via a reverse DNS
	   lookup into a DNS name, and printed out before each

	   IP address .... NetBIOS name

	   pair that is the normal output.

       -f
	   Show which flags apply to the name that has been looked up. Possible answers are zero
	   or more of: Response, Authoritative, Truncated, Recursion_Desired,
	   Recursion_Available, Broadcast.

       name
	   This is the NetBIOS name being queried. Depending upon the previous options this may
	   be a NetBIOS name or IP address. If a NetBIOS name then the different name types may
	   be specified by appending '#<type>' to the name. This name may also be '*', which will
	   return all registered names within a broadcast area.

EXAMPLES
       nmblookup4 can be used to query a WINS server (in the same way nslookup is used to query
       DNS servers). To query a WINS server, nmblookup4 must be called like this:

       nmblookup4 -U server -R 'name'

       For example, running :

       nmblookup4 -U samba.org -R 'IRIX#1B'

       would query the WINS server samba.org for the domain master browser (1B name type) for the
       IRIX workgroup.

VERSION
       This man page is correct for version 3 of the Samba suite.

SEE ALSO
       nmbd(8), samba(7), and smb.conf(5).

AUTHOR
       The original Samba software and related utilities were created by Andrew Tridgell. Samba
       is now developed by the Samba Team as an Open Source project similar to the way the Linux
       kernel is developed.

       The original Samba man pages were written by Karl Auer. The man page sources were
       converted to YODL format (another excellent piece of Open Source software, available at
       ftp://ftp.icce.rug.nl/pub/unix/[2]) and updated for the Samba 2.0 release by Jeremy
       Allison. The conversion to DocBook for Samba 2.2 was done by Gerald Carter. The conversion
       to DocBook XML 4.2 for Samba 3.0 was done by Alexander Bokovoy.

NOTES
	1. interfaces
	   [set $man.base.url.for.relative.links]/smb.conf.5.html#INTERFACES

	2. ftp://ftp.icce.rug.nl/pub/unix/
	   ftp://ftp.icce.rug.nl/pub/unix/

Samba 3.2				    06/17/2014				    NMBLOOKUP4(1)
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