Projects / nmbscan


NMB Scanner scans the shares of a NetBIOS/SMB network, using the NMB/SMB/NetBIOS protocols. It is useful for acquiring information on a local area network for such purposes as security auditing. It can obtain such information as NMB/SMB/NetBIOS/Windows hostname, IP address, IP hostname, ethernet MAC address, Windows username, NMB/SMB/NetBIOS/Windows domain name, and master browser. It can discover all the NMB/SMB/NetBIOS/Windows hosts on a local area network by using the hosts lists maintained by master browsers.

Operating Systems

Recent releases

  •  08 Sep 2010 21:38

    Release Notes: Public share listing support, some MAC address listing improvements such as split ARP-queried and SMB-queried MAC addresses and the hiding of null MAC addresses, and other minor improvements.

    •  22 Dec 2007 21:23

      Release Notes: A minor enhancement was made such that smb.conf is now ignored to avoid "netbios disable" or other such options. Resource usage was reduced. Minor bugs (involving -n and -h options) were fixed. Typographical errors were fixed. Minor code cleanup was done.

      •  04 Feb 2005 22:29

        Release Notes: Many network speedups. The ability to get a MAC address over NetBIOS through nmblookup has been added.

        •  20 Jun 2004 13:12

          Release Notes: Support was added for *BSD, including MacOS X. Previously, the MAC address was not correctly fetched on these systems.

          •  05 Jun 2004 22:54

            Release Notes: Support for Samba 3 was added.


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