| 1 | '\" t
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| 2 | .\" Title: nmblookup
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| 3 | .\" Author: [see the "AUTHOR" section]
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| 4 | .\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
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| 5 | .\" Date: 10/25/2016
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| 6 | .\" Manual: User Commands
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| 7 | .\" Source: Samba 4.4
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| 8 | .\" Language: English
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| 9 | .\"
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| 10 | .TH "NMBLOOKUP" "1" "10/25/2016" "Samba 4\&.4" "User Commands"
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| 11 | .\" -----------------------------------------------------------------
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| 12 | .\" * Define some portability stuff
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| 13 | .\" -----------------------------------------------------------------
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| 14 | .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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| 15 | .\" http://bugs.debian.org/507673
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| 16 | .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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| 17 | .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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| 18 | .ie \n(.g .ds Aq \(aq
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| 19 | .el .ds Aq '
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| 20 | .\" -----------------------------------------------------------------
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| 21 | .\" * set default formatting
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| 22 | .\" -----------------------------------------------------------------
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| 23 | .\" disable hyphenation
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| 24 | .nh
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| 25 | .\" disable justification (adjust text to left margin only)
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| 26 | .ad l
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| 27 | .\" -----------------------------------------------------------------
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| 28 | .\" * MAIN CONTENT STARTS HERE *
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| 29 | .\" -----------------------------------------------------------------
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| 30 | .SH "NAME"
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| 31 | nmblookup \- NetBIOS over TCP/IP client used to lookup NetBIOS names
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| 32 | .SH "SYNOPSIS"
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| 33 | .HP \w'\ 'u
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| 34 | nmblookup [\-M|\-\-master\-browser] [\-R|\-\-recursion] [\-S|\-\-status] [\-r|\-\-root\-port] [\-A|\-\-lookup\-by\-ip] [\-B|\-\-broadcast\ <broadcast\ address>] [\-U|\-\-unicast\ <unicast\ address>] [\-d\ <debug\ level>] [\-s\ <smb\ config\ file>] [\-i\ <NetBIOS\ scope>] [\-T|\-\-translate] [\-f|\-\-flags] {name}
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| 35 | .SH "DESCRIPTION"
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| 36 | .PP
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| 37 | This tool is part of the
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| 38 | \fBsamba\fR(7)
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| 39 | suite\&.
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| 40 | .PP
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| 41 | nmblookup
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| 42 | 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\&.
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| 43 | .SH "OPTIONS"
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| 44 | .PP
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| 45 | \-M|\-\-master\-browser
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| 46 | .RS 4
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| 47 | Searches for a master browser by looking up the NetBIOS
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| 48 | \fIname\fR
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| 49 | with a type of
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| 50 | \fB0x1d\fR\&. If
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| 51 | \fI name\fR
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| 52 | is "\-" then it does a lookup on the special name
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| 53 | \fB__MSBROWSE__\fR\&. Please note that in order to use the name "\-", you need to make sure "\-" isn\*(Aqt parsed as an argument, e\&.g\&. use :
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| 54 | \fBnmblookup \-M \-\- \-\fR\&.
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| 55 | .RE
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| 56 | .PP
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| 57 | \-R|\-\-recursion
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| 58 | .RS 4
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| 59 | 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\&.
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| 60 | .RE
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| 61 | .PP
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| 62 | \-S|\-\-status
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| 63 | .RS 4
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| 64 | 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\&.
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| 65 | .RE
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| 66 | .PP
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| 67 | \-r|\-\-root\-port
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| 68 | .RS 4
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| 69 | 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
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| 70 | \fBnmbd\fR(8)
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| 71 | daemon is running on this machine it also binds to this port\&.
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| 72 | .RE
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| 73 | .PP
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| 74 | \-A|\-\-lookup\-by\-ip
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| 75 | .RS 4
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| 76 | Interpret
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| 77 | \fIname\fR
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| 78 | as an IP Address and do a node status query on this address\&.
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| 79 | .RE
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| 80 | .PP
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| 81 | \-B|\-\-broadcast <broadcast address>
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| 82 | .RS 4
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| 83 | Send the query to the given broadcast address\&. Without this option the default behavior of nmblookup is to send the query to the broadcast address of the network interfaces as either auto\-detected or defined in the
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| 84 | \fIinterfaces\fR
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| 85 | parameter of the
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| 86 | \fBsmb.conf\fR(5)
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| 87 | file\&.
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| 88 | .RE
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| 89 | .PP
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| 90 | \-U|\-\-unicast <unicast address>
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| 91 | .RS 4
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| 92 | Do a unicast query to the specified address or host
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| 93 | \fIunicast address\fR\&. This option (along with the
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| 94 | \fI\-R\fR
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| 95 | option) is needed to query a WINS server\&.
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| 96 | .RE
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| 97 | .PP
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| 98 | \-T|\-\-translate
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| 99 | .RS 4
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| 100 | 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
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| 101 | .sp
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| 102 | \fIIP address \&.\&.\&.\&. NetBIOS name\fR
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| 103 | .sp
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| 104 | pair that is the normal output\&.
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| 105 | .RE
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| 106 | .PP
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| 107 | \-f|\-\-flags
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| 108 | .RS 4
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| 109 | 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\&.
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| 110 | .RE
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| 111 | .PP
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| 112 | name
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| 113 | .RS 4
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| 114 | 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 \*(Aq#<type>\*(Aq to the name\&. This name may also be \*(Aq*\*(Aq, which will return all registered names within a broadcast area\&.
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| 115 | .RE
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| 116 | .SH "EXAMPLES"
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| 117 | .PP
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| 118 | nmblookup
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| 119 | can be used to query a WINS server (in the same way
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| 120 | nslookup
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| 121 | is used to query DNS servers)\&. To query a WINS server,
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| 122 | nmblookup
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| 123 | must be called like this:
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| 124 | .PP
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| 125 | nmblookup \-U server \-R \*(Aqname\*(Aq
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| 126 | .PP
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| 127 | For example, running :
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| 128 | .PP
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| 129 | nmblookup \-U samba\&.org \-R \*(AqIRIX#1B\*(Aq
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| 130 | .PP
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| 131 | would query the WINS server samba\&.org for the domain master browser (1B name type) for the IRIX workgroup\&.
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| 132 | .SH "VERSION"
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| 133 | .PP
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| 134 | This man page is correct for version 3 of the Samba suite\&.
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| 135 | .SH "SEE ALSO"
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| 136 | .PP
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| 137 | \fBnmbd\fR(8),
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| 138 | \fBsamba\fR(7), and
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| 139 | \fBsmb.conf\fR(5)\&.
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| 140 | .SH "AUTHOR"
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| 141 | .PP
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| 142 | 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\&.
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| 143 | .PP
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| 144 | 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
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| 145 | ftp://ftp\&.icce\&.rug\&.nl/pub/unix/) 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\&.
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