High dns traffic, how do I reduce this.

[Gregory Machin]

the majority of the dns request are comming from our two clients
connected via diginet lines that we provide internet access for.. If i
could make the caching more agressive it may help .. dunno ..

On 9/12/07, Andy Green <andy at warmcat.com> wrote:
> Somebody in the thread at some point said:
> > Hi
> > Im running a proxy server with fc6. It seem that there is a lot of dns
> > (port 53) traffic going through the server. I have named configured as
> > a basic caching server, how can I improve on this .. the config is the
> > default one ...
>
> I guess the first job is to identify the source and see if anything can
> actually be done.  For example the postfix server here really is getting
> connected to by a lot of spammer machines, it really is going to be
> looking up a lot of random fqdns.  One can't do much about that.
>
> -Andy
>
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-- 
Gregory Machin
gregory.machin at gmail.com
www.linuxpro.co.za