I wouldn't be so quick to assume that.

Nota bene this part of the ARM:

"Integers may take values 0 <= value <= 18446744073709551615, though certain 
parameters (such as max-journal-size) may use a more limited range within these 
extremes. In most cases, setting a value to 0 does not literally mean zero; it 
means 'undefined"' or 'as big as possible', depending on the context. See the 
explanations of particular parameters that use size_spec for details on how 
they interpret its use."

So, it might actually mean "as big as possible".

Consult the source code to be sure.
                                                                - Kevin


----------------------------------------------------------------------
Kevin Darcy
NAFTA Information Security Projects

FCA US LLC
1075 W Entrance Dr,
Auburn Hills, MI 48326
USA

Telephone: +1 (248) 838-6601 
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Email: kevin.da...@fcagroup.com

-----Original Message-----
From: bind-users-boun...@lists.isc.org 
[mailto:bind-users-boun...@lists.isc.org] On Behalf Of Tony Finch
Sent: Wednesday, March 02, 2016 8:29 AM
To: MURTARI, JOHN
Cc: bind-users@lists.isc.org
Subject: Re: what does "max-ncache-ttl 0;" mean? 

MURTARI, JOHN <jm5...@att.com> wrote:
>
> So far, all the postings I've seen just echo what he already said (and 
> knows).  The question is - what happens when you set it to ZERO?
>
> I'm wondering myself - anyone have a real answer?

The code says zero means zero, so in effect it would disable negative cacheing.

Tony.
--
f.anthony.n.finch  <d...@dotat.at>  http://dotat.at/ Thames, Dover, Wight: West 
veering northwest 7 to severe gale 9, decreasing 4 or 5 later. Rough or very 
rough, becoming moderate or rough later. Squally showers. Good, occasionally 
poor.
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