Samba-Bug 5684 -- nmbd fills disk space

Andrew Bartlett abartlet at
Wed Aug 13 05:23:26 GMT 2008

On Wed, 2008-08-13 at 13:08 +1000, tridge at wrote:
> Hi Volker,
>  > Can you take a look at the patch I uploaded to samba-bug 5684? With nmbd
>  > fills the disk with unexpected.tdb due to a change in tdb. I am not sure if
>  > my fix is valid, i.e. if the change you made with dde9f3f006 serves more
>  > than "just" a performance optimization.
> I can't immediately see any problems with the patch, but we should
> check that it doesn't lead to fragmentation problems again.
> I think however that the bug report (5684) shows that we have a major
> problem with unexpected.tdb. That database should be used only very
> rarely. Why is it getting so many packets? 
> The purpose of unexpected.tdb is to catch replies that are sent back
> by buggy MS servers that always reply to port 137 even when a request
> comes from another port. 

I should note, that I've never seen any Microsoft server use anything
other than a port 137 reply, so I would say this isn't just 'rouge
busted versions', but a generic issue for all Microsoft's products. 

Andrew Bartlett
Andrew Bartlett
Authentication Developer, Samba Team 
Samba Developer, Red Hat Inc.
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