1<?xml version="1.0" encoding="iso-8859-1"?> 2<!DOCTYPE refentry PUBLIC "-//Samba-Team//DTD DocBook V4.2-Based Variant V1.0//EN" "http://www.samba.org/samba/DTD/samba-doc"> 3<refentry id="nmblookup"> 4 5<refmeta> 6 <refentrytitle>nmblookup</refentrytitle> 7 <manvolnum>1</manvolnum> 8 <refmiscinfo class="source">Samba</refmiscinfo> 9 <refmiscinfo class="manual">User Commands</refmiscinfo> 10 <refmiscinfo class="version">3.5</refmiscinfo> 11</refmeta> 12 13 14<refnamediv> 15 <refname>nmblookup</refname> 16 <refpurpose>NetBIOS over TCP/IP client used to lookup NetBIOS 17 names</refpurpose> 18</refnamediv> 19 20<refsynopsisdiv> 21 <cmdsynopsis> 22 <command>nmblookup</command> 23 <arg choice="opt">-M</arg> 24 <arg choice="opt">-R</arg> 25 <arg choice="opt">-S</arg> 26 <arg choice="opt">-r</arg> 27 <arg choice="opt">-A</arg> 28 <arg choice="opt">-h</arg> 29 <arg choice="opt">-B <broadcast address></arg> 30 <arg choice="opt">-U <unicast address></arg> 31 <arg choice="opt">-d <debug level></arg> 32 <arg choice="opt">-s <smb config file></arg> 33 <arg choice="opt">-i <NetBIOS scope></arg> 34 <arg choice="opt">-T</arg> 35 <arg choice="opt">-f</arg> 36 <arg choice="req">name</arg> 37 </cmdsynopsis> 38</refsynopsisdiv> 39 40<refsect1> 41 <title>DESCRIPTION</title> 42 43 <para>This tool is part of the <citerefentry><refentrytitle>samba</refentrytitle> 44 <manvolnum>7</manvolnum></citerefentry> suite.</para> 45 46 <para><command>nmblookup</command> is used to query NetBIOS names 47 and map them to IP addresses in a network using NetBIOS over TCP/IP 48 queries. The options allow the name queries to be directed at a 49 particular IP broadcast area or to a particular machine. All queries 50 are done over UDP.</para> 51</refsect1> 52 53<refsect1> 54 <title>OPTIONS</title> 55 56 <variablelist> 57 <varlistentry> 58 <term>-M</term> 59 <listitem><para>Searches for a master browser by looking 60 up the NetBIOS name <replaceable>name</replaceable> with a 61 type of <constant>0x1d</constant>. If <replaceable> 62 name</replaceable> is "-" then it does a lookup on the special name 63 <constant>__MSBROWSE__</constant>. Please note that in order to 64 use the name "-", you need to make sure "-" isn't parsed as an 65 argument, e.g. use : 66 <userinput>nmblookup -M -- -</userinput>.</para></listitem> 67 </varlistentry> 68 69 <varlistentry> 70 <term>-R</term> 71 <listitem><para>Set the recursion desired bit in the packet 72 to do a recursive lookup. This is used when sending a name 73 query to a machine running a WINS server and the user wishes 74 to query the names in the WINS server. If this bit is unset 75 the normal (broadcast responding) NetBIOS processing code 76 on a machine is used instead. See RFC1001, RFC1002 for details. 77 </para></listitem> 78 </varlistentry> 79 80 <varlistentry> 81 <term>-S</term> 82 <listitem><para>Once the name query has returned an IP 83 address then do a node status query as well. A node status 84 query returns the NetBIOS names registered by a host. 85 </para></listitem> 86 </varlistentry> 87 88 89 <varlistentry> 90 <term>-r</term> 91 <listitem><para>Try and bind to UDP port 137 to send and receive UDP 92 datagrams. The reason for this option is a bug in Windows 95 93 where it ignores the source port of the requesting packet 94 and only replies to UDP port 137. Unfortunately, on most UNIX 95 systems root privilege is needed to bind to this port, and 96 in addition, if the <citerefentry><refentrytitle>nmbd</refentrytitle> 97 <manvolnum>8</manvolnum></citerefentry> daemon is running on this machine it also binds to this port. 98 </para></listitem> 99 </varlistentry> 100 101 102 <varlistentry> 103 <term>-A</term> 104 <listitem><para>Interpret <replaceable>name</replaceable> as 105 an IP Address and do a node status query on this address.</para> 106 </listitem> 107 </varlistentry> 108 109 110 111 &popt.common.connection; 112 &stdarg.help; 113 114 <varlistentry> 115 <term>-B <broadcast address></term> 116 <listitem><para>Send the query to the given broadcast address. Without 117 this option the default behavior of nmblookup is to send the 118 query to the broadcast address of the network interfaces as 119 either auto-detected or defined in the <ulink 120 url="smb.conf.5.html#INTERFACES"><parameter>interfaces</parameter> 121 </ulink> parameter of the <citerefentry><refentrytitle>smb.conf</refentrytitle> 122 <manvolnum>5</manvolnum></citerefentry> file. 123 </para></listitem> 124 </varlistentry> 125 126 127 128 <varlistentry> 129 <term>-U <unicast address></term> 130 <listitem><para>Do a unicast query to the specified address or 131 host <replaceable>unicast address</replaceable>. This option 132 (along with the <parameter>-R</parameter> option) is needed to 133 query a WINS server.</para></listitem> 134 </varlistentry> 135 136 &stdarg.server.debug; 137 &popt.common.samba; 138 139 <varlistentry> 140 <term>-T</term> 141 <listitem><para>This causes any IP addresses found in the 142 lookup to be looked up via a reverse DNS lookup into a 143 DNS name, and printed out before each</para> 144 145 <para><emphasis>IP address .... NetBIOS name</emphasis></para> 146 147 <para> pair that is the normal output.</para></listitem> 148 </varlistentry> 149 150 <varlistentry> 151 <term>-f</term> 152 <listitem><para> 153 Show which flags apply to the name that has been looked up. Possible 154 answers are zero or more of: Response, Authoritative, 155 Truncated, Recursion_Desired, Recursion_Available, Broadcast. 156 </para></listitem> 157 </varlistentry> 158 159 160 <varlistentry> 161 <term>name</term> 162 <listitem><para>This is the NetBIOS name being queried. Depending 163 upon the previous options this may be a NetBIOS name or IP address. 164 If a NetBIOS name then the different name types may be specified 165 by appending '#<type>' to the name. This name may also be 166 '*', which will return all registered names within a broadcast 167 area.</para></listitem> 168 </varlistentry> 169 </variablelist> 170</refsect1> 171 172 173<refsect1> 174 <title>EXAMPLES</title> 175 176 <para><command>nmblookup</command> can be used to query 177 a WINS server (in the same way <command>nslookup</command> is 178 used to query DNS servers). To query a WINS server, <command>nmblookup</command> 179 must be called like this:</para> 180 181 <para><command>nmblookup -U server -R 'name'</command></para> 182 183 <para>For example, running :</para> 184 185 <para><command>nmblookup -U samba.org -R 'IRIX#1B'</command></para> 186 187 <para>would query the WINS server samba.org for the domain 188 master browser (1B name type) for the IRIX workgroup.</para> 189</refsect1> 190 191<refsect1> 192 <title>VERSION</title> 193 194 <para>This man page is correct for version 3 of 195 the Samba suite.</para> 196</refsect1> 197 198<refsect1> 199 <title>SEE ALSO</title> 200 <para><citerefentry><refentrytitle>nmbd</refentrytitle> 201 <manvolnum>8</manvolnum></citerefentry>, <citerefentry><refentrytitle>samba</refentrytitle> 202 <manvolnum>7</manvolnum></citerefentry>, and <citerefentry><refentrytitle>smb.conf</refentrytitle> 203 <manvolnum>5</manvolnum></citerefentry>.</para> 204</refsect1> 205 206<refsect1> 207 <title>AUTHOR</title> 208 209 <para>The original Samba software and related utilities 210 were created by Andrew Tridgell. Samba is now developed 211 by the Samba Team as an Open Source project similar 212 to the way the Linux kernel is developed.</para> 213 214 <para>The original Samba man pages were written by Karl Auer. 215 The man page sources were converted to YODL format (another 216 excellent piece of Open Source software, available at <ulink url="ftp://ftp.icce.rug.nl/pub/unix/"> 217 ftp://ftp.icce.rug.nl/pub/unix/</ulink>) and updated for the Samba 2.0 218 release by Jeremy Allison. The conversion to DocBook for 219 Samba 2.2 was done by Gerald Carter. The conversion to DocBook 220 XML 4.2 for Samba 3.0 was done by Alexander Bokovoy.</para> 221</refsect1> 222 223</refentry> 224