NMBLOOKUP(1) User Commands NMBLOOKUP(1) (NAME) nmblookup - NetBIOS TCP/IP NetBIOS (SYNOPSIS) nmblookup [-M|--master-browser] [--recursion] [-S|--status] [-r|--root-port] [-A|--lookup-by-ip] [-B|--broadcast=BROADCAST-ADDRESS] [-U|--unicast=UNICAST-ADDRESS] [-T|--translate] [-f|--flags] [-?|--help] [--usage] [-d|--debuglevel=DEBUGLEVEL] [--debug-stdout] [--configfile=CONFIGFILE] [--option=name=value] [-l|--log-basename=LOGFILEBASE] [--leak-report] [--leak-report-full] [-R|--name-resolve=NAME-RESOLVE-ORDER] [-O|--socket-options=SOCKETOPTIONS] [-m|--max-protocol=MAXPROTOCOL] [-n|--netbiosname=NETBIOSNAME] [--netbios-scope=SCOPE] [-W|--workgroup=WORKGROUP] [--realm=REALM] {name} (DESCRIPTION) samba(7) . nmblookup NetBIOS IP NetBIOS TCP/IP . (Broadcast) . UDP . (OPTIONS) -M|--master-browser name 0x1d (Master Browser) . name <<->> __MSBROWSE__ . <<->> <<->> : nmblookup -M -- -. --recursion recursion desired . WINS WINS . NetBIOS ( ) . RFC1001 RFC1002 . -S|--status IP (Node Status) . NetBIOS . -r|--root-port (Bind) UDP UDP. Windows 95 UDP . (Root) nmbd(8) . -A|--lookup-by-ip name IP . -B|--broadcast (Broadcast) . nmblookup interfaces smb.conf(5) . -U|--unicast (Unicast) unicast address. ( -R) WINS . -T|--translate IP DNS DNS IP address .... NetBIOS name . -f|--flags . : Response Authoritative Truncated Recursion_Desired Recursion_Available Broadcast. name NetBIOS . NetBIOS IP . NetBIOS '#' . '*' (Broadcast) . -d|--debuglevel=level level . . . . - . . . log level /etc/samba/smb.conf . --debug-stdout STDOUT . STDERR . --configfile= . client smb encrypt . /etc/samba/smb.conf . . --option== smb.conf(5) "" "" . . --option=name=value . -l|--log-basename=logdirectory /. ".progname" ( log.smbclient log.smbd ). . --leak-report talloc . --leak-report-full talloc . -V|--version . -R|--name-resolve=NAME-RESOLVE-ORDER IP . . --name-resolve=NAME-RESOLVE-ORDER . : "lmhosts" "host" "wins" "bcast". : o lmhosts: IP lmhosts . lmhosts NetBIOS ( lmhosts(5) ) . o host: IP /etc/hosts NIS DNS . IRIX Solaris /etc/nsswitch.conf . NetBIOS (0x20) . o wins: IP wins server. WINS . o bcast: (Broadcast) interfaces . . /etc/samba/smb.conf (name resolve order) . lmhosts, host, wins, bcast . name resolve order /etc/samba/smb.conf . -O|--socket-options=SOCKETOPTIONS TCP . socket options /etc/samba/smb.conf . -m|--max-protocol=MAXPROTOCOL ( ) . client max protocol /etc/samba/smb.conf . -n|--netbiosname=NETBIOSNAME NetBIOS . netbios name /etc/samba/smb.conf . /etc/samba/smb.conf . --netbios-scope=SCOPE (Scope) NetBIOS nmblookup NetBIOS . NetBIOS rfc1001.txt rfc1002.txt . NetBIOS NetBIOS . -W|--workgroup=WORKGROUP SMB . smb.conf . NetBIOS SAM ( Domain SAM) . workgroup /etc/samba/smb.conf . -r|--realm=REALM (Realm) . realm /etc/samba/smb.conf . -?|--help . --usage . (EXAMPLES) nmblookup WINS ( nslookup DNS ). WINS nmblookup : nmblookup -U server -R 'name' : nmblookup -U samba.org -R 'IRIX#1B' WINS samba.org (Domain Master Browser 1B) IRIX . (VERSION) 4.24.6 . (SEE ALSO) nmbd(8) samba(7) smb.conf(5). (AUTHOR) Andrew Tridgell . . Samba 4.24.6 08/16/2026 NMBLOOKUP(1)