NEBIOS over TCP/IP on Windows 2000

This paper explain what is NETBIOS over TCP/IP, how it relates to the security in Windows 2000 and give some hints about TCP Port 445.

Basically if the server has NBT enabled, it listens on UDP ports 137, 138, and on TCP ports 139, 445. If it has NBT disabled, it listens on TCP port 445 only.
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About Vittorio Pavesi

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