| 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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| 10 | .\" ----------------------------------------------------------------- | 
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| 11 | .\" * (re)Define some macros | 
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| 41 | .nr an-level 1 | 
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| 57 | .toupper \\$* | 
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| 59 | .el \{\ | 
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| 63 | .in \\n[an-margin]u | 
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| 65 | .\" if not n (not TTY), put a border/line under subheading | 
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| 73 | .de1 SS | 
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| 74 | .sp \\n[PD]u | 
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| 75 | .nr an-level 1 | 
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| 76 | .set-an-margin | 
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| 77 | .nr an-prevailing-indent \\n[IN] | 
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| 78 | .fi | 
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| 79 | .in \\n[IN]u | 
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| 80 | .ti \\n[SN]u | 
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| 81 | .it 1 an-trap | 
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| 82 | .nr an-no-space-flag 1 | 
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| 83 | .nr an-break-flag 1 | 
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| 84 | .ps \\n[PS-SS]u | 
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| 116 | .ne \\n(BHu+.5v | 
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| 117 | .ie "\\$2"adjust-for-leading-newline" \{\ | 
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| 118 | \M[\\$1]\h'1n'\v'+.5v'\D'P \\n(BWu 0 0 \\n(BHu -\\n(BWu 0 0 -\\n(BHu'\M[] | 
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| 119 | .\} | 
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| 120 | .el \{\ | 
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| 121 | \M[\\$1]\h'1n'\v'-.5v'\D'P \\n(BWu 0 0 \\n(BHu -\\n(BWu 0 0 -\\n(BHu'\M[] | 
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| 122 | .\} | 
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| 123 | .in 0 | 
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| 125 | .nf | 
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| 126 | .BX | 
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| 149 | .nr BH \\n(dn | 
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| 150 | .ne \\n(BHu | 
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| 151 | \M[\\$1]\D'P -.75n 0 0 \\n(BHu -(\\n[.i]u - \\n(INu - .75n) 0 0 -\\n(BHu'\M[] | 
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| 152 | .in 0 | 
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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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| 162 | .\" disable hyphenation | 
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| 164 | .\" disable justification (adjust text to left margin only) | 
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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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| 262 | parameter of the | 
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| 263 | \fBsmb.conf\fR(5) | 
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| 264 | file\&. | 
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| 265 | .RE | 
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| 266 | .PP | 
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| 267 | \-U <unicast address> | 
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| 268 | .RS 4 | 
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| 269 | Do a unicast query to the specified address or host | 
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| 270 | \fIunicast address\fR\&. This option (along with the | 
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| 271 | \fI\-R\fR | 
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| 272 | option) is needed to query a WINS server\&. | 
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| 273 | .RE | 
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| 274 | .PP | 
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| 275 | \-d|\-\-debuglevel=level | 
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| 276 | .RS 4 | 
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| 277 | \fIlevel\fR | 
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| 278 | is an integer from 0 to 10\&. The default value if this parameter is not specified is 0\&. | 
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| 279 | .sp | 
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| 280 | The higher this value, the more detail will be logged to the log files about the activities of the server\&. At level 0, only critical errors and serious warnings will be logged\&. Level 1 is a reasonable level for day\-to\-day running \- it generates a small amount of information about operations carried out\&. | 
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| 281 | .sp | 
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| 282 | Levels above 1 will generate considerable amounts of log data, and should only be used when investigating a problem\&. Levels above 3 are designed for use only by developers and generate HUGE amounts of log data, most of which is extremely cryptic\&. | 
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| 283 | .sp | 
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| 284 | Note that specifying this parameter here will override the | 
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| 285 | \m[blue]\fB\%smb.conf.5.html#\fR\m[] | 
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| 286 | parameter in the | 
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| 287 | \FCsmb\&.conf\F[] | 
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| 288 | file\&. | 
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| 289 | .RE | 
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| 290 | .PP | 
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| 291 | \-V|\-\-version | 
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| 292 | .RS 4 | 
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| 293 | Prints the program version number\&. | 
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| 294 | .RE | 
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| 295 | .PP | 
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| 296 | \-s|\-\-configfile <configuration file> | 
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| 297 | .RS 4 | 
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| 298 | The file specified contains the configuration details required by the server\&. The information in this file includes server\-specific information such as what printcap file to use, as well as descriptions of all the services that the server is to provide\&. See | 
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| 299 | \FCsmb\&.conf\F[] | 
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| 300 | for more information\&. The default configuration file name is determined at compile time\&. | 
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| 301 | .RE | 
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| 302 | .PP | 
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| 303 | \-l|\-\-log\-basename=logdirectory | 
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| 304 | .RS 4 | 
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| 305 | Base directory name for log/debug files\&. The extension | 
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| 306 | \fB"\&.progname"\fR | 
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| 307 | will be appended (e\&.g\&. log\&.smbclient, log\&.smbd, etc\&.\&.\&.)\&. The log file is never removed by the client\&. | 
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| 308 | .RE | 
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| 309 | .PP | 
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| 310 | \-T | 
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| 311 | .RS 4 | 
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| 312 | 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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| 313 | .sp | 
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| 314 | \fIIP address \&.\&.\&.\&. NetBIOS name\fR | 
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| 315 | .sp | 
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| 316 | pair that is the normal output\&. | 
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| 317 | .RE | 
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| 318 | .PP | 
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| 319 | \-f | 
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| 320 | .RS 4 | 
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| 321 | 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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| 322 | .RE | 
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| 323 | .PP | 
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| 324 | name | 
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| 325 | .RS 4 | 
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| 326 | 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\&. | 
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| 327 | .RE | 
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| 328 | .SH "EXAMPLES" | 
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| 329 | .PP | 
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| 330 | \FCnmblookup\F[] | 
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| 331 | can be used to query a WINS server (in the same way | 
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| 332 | \FCnslookup\F[] | 
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| 333 | is used to query DNS servers)\&. To query a WINS server, | 
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| 334 | \FCnmblookup\F[] | 
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| 335 | must be called like this: | 
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| 336 | .PP | 
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| 337 | \FCnmblookup \-U server \-R \'name\'\F[] | 
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| 338 | .PP | 
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| 339 | For example, running : | 
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| 340 | .PP | 
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| 341 | \FCnmblookup \-U samba\&.org \-R \'IRIX#1B\'\F[] | 
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| 342 | .PP | 
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| 343 | would query the WINS server samba\&.org for the domain master browser (1B name type) for the IRIX workgroup\&. | 
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| 344 | .SH "VERSION" | 
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| 345 | .PP | 
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| 346 | This man page is correct for version 3 of the Samba suite\&. | 
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| 347 | .SH "SEE ALSO" | 
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| 348 | .PP | 
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| 349 | \fBnmbd\fR(8), | 
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| 350 | \fBsamba\fR(7), and | 
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| 351 | \fBsmb.conf\fR(5)\&. | 
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| 352 | .SH "AUTHOR" | 
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| 353 | .PP | 
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| 354 | 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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| 355 | .PP | 
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| 356 | 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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| 357 | 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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