[CentOS] BIND and latest update (max open files WARNING)

Tue Dec 14 15:17:05 UTC 2010
Radu Gheorghiu <radu at pengooin.net>

Hi all,

I can confirm this has happened to all my CentOS boxes in production.

Regards,
Radu

On 12/14/2010 03:15 PM, Jorge Fábregas wrote:
> Hi all,
>
> After the latest security update for bind (which came out last night), 
> now there's a new message on syslog, (facility: daemon, severity: 
> warning) every time you restart named:
>
> max open files (1024) is smaller than max sockets (4096)
>
> After googling for a while the solution seems to be to add this to 
> /etc/security/limits.conf:
>
> named        soft    nofile        4096
>
> ...and mofity /etc/named.conf in order to add, under the options section:
>
> files 4096;
>
> That seems to work.  Of course, you may raise the 4096 but I guess 
> that's the default in BIND and I was good with that.
>
> I'm not sure why this happend. Maybe before the update bind had a 
> value of 1024 for max.sockets and now it was raised to 4096.
>
>  --
> Jorge
>
>
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