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NetBIOS over TCP/IP

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NetBIOS over TCP/IP (NBT, or sometimes NetBT) is a networking protocol that allows legacy computer applications relying on the NetBIOS API to be used on modern TCP/IP networks.

NetBIOS was developed in the early 1980s, targeting very small networks (about a dozen computers). Some applications still use NetBIOS, and do not scale well in today's networks of hundreds of computers when NetBIOS is run over NBF. When properly configured, NBT allows those applications to be run on large TCP/IP networks (including the whole Internet, although that is likely to be subject to security problems) without change.

NBT is defined by the RFC 1001 and RFC 1002 standard documents.

See also

  • KB204279 - KB article describing the more modern, direct hosting of SMB
  • nbtscan - open-source program to scan IP networks for NetBIOS name information

References

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