NetBIOS-free SMB protocol on port 445 in Windows 2000/XP

Christopher R. Hertel crh at
Wed Aug 29 21:41:05 GMT 2001

Yes, we know.  Have known for over a year.  I think it was Tridge who
convinced Microsoft to use port 445. 

As it turns out, however, most people still have NT, 9x, and ME systems on
their networks and these still need NBT. 

Chris -)-----

> Hi,
> Yesterday a friend forwarded to me this URL at Microsoft:
> It is about support in Windows 2000/XP for running SMB for
> file and printer sharing over port 445, with no overhead of
> NetBIOS.
> The question of course is, are the Samba Team aware of this,
> and can it be supported in future versions of Samba?
> The webpage says it is possible to set up a Win 2000/XP network to
> only use the new protocol, and shut out SMB/NetBIOS networking on
> ports 137-139 entirely.
> - Jay Ts

Christopher R. Hertel -)-----                   University of Minnesota
crh at              Networking and Telecommunications Services

    Ideals are like stars; you will not succeed in touching them
    with your choose them as your guides, and following
    them you will reach your destiny.  --Carl Schultz

More information about the samba-technical mailing list