On Mon, 2006-08-21 at 18:24 -0400, Tom Horsley wrote:
> But can caching-nameserver be configured with a list of ad sites
> it will always reject as not valid? That would be the real value
> add :-).
Yes, but you'll have to redo the configuration if you update the name
server (simple enough to do if you keep a backup, you've just got to
remember to so). The caching package is a pre-configured system. You
can manually configure the server in the same way, not using the caching
pre-configuration package, to avoid that little snag.
I have a collection of entries in my /etc/named.conf file like this:
------- begin paste -------
zone "doubleclick.net" { type master; file "dead.zone"; };
zone "doubleclick.com" { type master; file "dead.zone"; };
zone "ads.optusnet.com.au" { type master; file "dead.zone"; };
------- end paste -------
And this is the /var/named/chroot/var/named/dead.zone file:
------- begin paste -------
$TTL 86400
@ IN SOA ns.localdomain. hostmaster.mail.localdomain. (
200 ; serial
28800 ; refresh
7200 ; retry
604800 ; expire
86400 ; ttl
)
IN NS ns.localdomain.
------- end paste -------
It ensures that there is no IP address returned for the query, at all,
so they instantly fail (may require configuration of some browsers not
to throw up annoying pop-up error warnings in the way).
I found this better than directing all queries at a real IP address. It
was slower, and meant that I had to have a local webserver running.
--
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