DNS Blocking

Thu Aug 19 19:19:32 UTC 2004

On Thu, 19 Aug 2004, Paul Vixie wrote:

>
> danm at prime.gushi.org ("Dan Mahoney, System Admin") writes:
>
>> What I was basically asking for was a "silently drop queries for X-domain"
>> option.  But one doesn't exist in bind.
>
> take a look at www.as112.net to see what happens to queries for
> 10.in-addr.arpa and its brothers.  you can easily set up a zone
> that will just confuse and make errors for whoever queries it:
>
>        @          SOA  localhost hostmaster.localhost
>                   NS   localhost
>        localhost  A    127.0.0.1
>        *          MX   0 localhost
>                   A    127.0.0.1
>
> (the specific name "localhost" is nec'y because glue searches
> aren't required to find wildcards.)
>
> if you put a zone like that in place on a server that's receiving
> unwanted queries for some zone, they will soon stop, or not.  you
> win either way -- the queries stop, or you laugh your ass off.

There weren't rfc1918.

-Dan

> --
> Paul Vixie
>

--

Amerikanskaya firma Transceptor Technology pristupila k poizvodstu komputerov "Personal'ni Sputnik"

--Snap, "The Power"

--------Dan Mahoney--------
Techie,  Sysadmin,  WebGeek
Gushi on efnet/undernet IRC
ICQ: 13735144   AIM: LarpGM
Site:  http://www.gushi.org
---------------------------