| 1 | .\" Title: nmblookup
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| 2 | .\" Author: [see the "AUTHOR" section]
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| 3 | .\" Generator: DocBook XSL Stylesheets v1.74.0 <http://docbook.sf.net/>
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| 4 | .\" Date: 02/22/2010
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| 5 | .\" Manual: User Commands
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| 6 | .\" Source: Samba 3.3
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| 7 | .\" Language: English
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| 8 | .\"
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| 9 | .TH "NMBLOOKUP" "1" "02/22/2010" "Samba 3\&.3" "User Commands"
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| 11 | .\" * (re)Define some macros
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| 158 | ..
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| 159 | .\" -----------------------------------------------------------------
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| 160 | .\" * set default formatting
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| 161 | .\" -----------------------------------------------------------------
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| 165 | .ad l
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| 166 | .\" -----------------------------------------------------------------
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| 167 | .\" * MAIN CONTENT STARTS HERE *
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| 168 | .\" -----------------------------------------------------------------
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| 169 | .SH "Name"
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| 170 | nmblookup \- NetBIOS over TCP/IP client used to lookup NetBIOS names
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| 171 | .SH "Synopsis"
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| 172 | .fam C
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| 173 | .HP \w'\ 'u
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| 174 | \FCnmblookup\F[] [\-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}
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| 175 | .fam
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| 176 | .SH "DESCRIPTION"
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| 177 | .PP
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| 178 | This tool is part of the
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| 179 | \fBsamba\fR(7)
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| 180 | suite\&.
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| 181 | .PP
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| 182 | \FCnmblookup\F[]
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| 183 | 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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| 184 | .SH "OPTIONS"
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| 185 | .PP
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| 186 | \-M
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| 187 | .RS 4
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| 188 | Searches for a master browser by looking up the NetBIOS name
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| 189 | \fIname\fR
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| 190 | with a type of
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| 191 | \fB0x1d\fR\&. If
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| 192 | \fI name\fR
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| 193 | is "\-" then it does a lookup on the special name
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| 194 | \fB__MSBROWSE__\fR\&. Please note that in order to use the name "\-", you need to make sure "\-" isn\'t parsed as an argument, e\&.g\&. use :
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| 195 | \fBnmblookup \-M \-\- \-\fR\&.
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| 196 | .RE
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| 197 | .PP
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| 198 | \-R
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| 199 | .RS 4
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| 200 | 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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| 201 | .RE
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| 202 | .PP
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| 203 | \-S
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| 204 | .RS 4
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| 205 | 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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| 206 | .RE
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| 207 | .PP
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| 208 | \-r
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| 209 | .RS 4
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| 210 | 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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| 211 | \fBnmbd\fR(8)
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| 212 | daemon is running on this machine it also binds to this port\&.
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| 213 | .RE
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| 214 | .PP
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| 215 | \-A
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| 216 | .RS 4
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| 217 | Interpret
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| 218 | \fIname\fR
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| 219 | as an IP Address and do a node status query on this address\&.
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| 220 | .RE
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| 221 | .PP
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| 222 | \-n|\-\-netbiosname <primary NetBIOS name>
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| 223 | .RS 4
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| 224 | This option allows you to override the NetBIOS name that Samba uses for itself\&. This is identical to setting the
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| 225 | \m[blue]\fB\%smb.conf.5.html#\fR\m[]
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| 226 | parameter in the
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| 227 | \FCsmb\&.conf\F[]
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| 228 | file\&. However, a command line setting will take precedence over settings in
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| 229 | \FCsmb\&.conf\F[]\&.
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| 230 | .RE
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| 231 | .PP
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| 232 | \-i|\-\-scope <scope>
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| 233 | .RS 4
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| 234 | This specifies a NetBIOS scope that
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| 235 | \FCnmblookup\F[]
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| 236 | will use to communicate with when generating NetBIOS names\&. For details on the use of NetBIOS scopes, see rfc1001\&.txt and rfc1002\&.txt\&. NetBIOS scopes are
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| 237 | \fIvery\fR
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| 238 | rarely used, only set this parameter if you are the system administrator in charge of all the NetBIOS systems you communicate with\&.
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| 239 | .RE
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| 240 | .PP
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| 241 | \-W|\-\-workgroup=domain
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| 242 | .RS 4
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| 243 | Set the SMB domain of the username\&. This overrides the default domain which is the domain defined in smb\&.conf\&. If the domain specified is the same as the servers NetBIOS name, it causes the client to log on using the servers local SAM (as opposed to the Domain SAM)\&.
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| 244 | .RE
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| 245 | .PP
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| 246 | \-O|\-\-socket\-options socket options
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| 247 | .RS 4
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| 248 | TCP socket options to set on the client socket\&. See the socket options parameter in the
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| 249 | \FCsmb\&.conf\F[]
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| 250 | manual page for the list of valid options\&.
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| 251 | .RE
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| 252 | .PP
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| 253 | \-h|\-\-help
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| 254 | .RS 4
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| 255 | Print a summary of command line options\&.
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| 256 | .RE
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| 257 | .PP
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| 258 | \-B <broadcast address>
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| 259 | .RS 4
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| 260 | 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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| 261 | \fIinterfaces\fR
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