[Pkg-samba-maint] Bug#783658: Bug#783658: All authentication fails with NT_STATUS_NO_SUCH_USER if server's NetBIOS name is >15 chars

[Christopher David Howie]

On 04/28/2015 04:53 PM, Jelmer Vernooij wrote:
> NetBIOS names can't be longer than 15 characters, even with the
> upstream patch - and samba will already truncate the netbios name if
> you set it to a longer name in smb.conf.

Right.  The problem is that if you don't specify "netbios name" in the
config file, but your machine's hostname is longer than 15 characters,
Samba takes it as the NetBIOS name but *does not* truncate it.

This silently and near-completely breaks Samba on machines with a >15
character hostname and without "netbios name" set in smb.conf.  There is
no error nor warning to indicate problems beyond widespread
authentication failures -- and when the failures are noticed, there is
no obvious cause.  (It took me several hours to locate the problem!)

-- 
Chris Howie
http://www.chrishowie.com
http://en.wikipedia.org/wiki/User:Crazycomputers

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