On Feb 24, 2010, at 11:23 AM, Tony Finch wrote:

On Wed, 24 Feb 2010, Stephane Bortzmeyer wrote:
On Tue, Feb 23, 2010 at 09:56:55PM -0500,
Diosney Sarmiento Herrera <diosne...@gmail.com> wrote:

Have any sense to blacklist the private address ranges on a server
that is facing Internet?

I am not sure I parse your sentence correctly but may be you refer to
the "Rebinding prevention feature" which appeared in 9.7.0?

deny-answer-addresses { 10.0.0.0/8; }
deny-answer-addresses { 172.16.0.0/12; }
deny-answer-addresses { 192.168.0.0/16; }

We also do the following to stop BIND from trying to talk to name servers
in bogon address space:


Yes, but remember to be careful as to how you are using the term 'bogon' -- some folks include things like (currently) unassigned space in their definition of bogon, which is fine till the space gets allocated, at which time hilarity ensues.



server 0.0.0.0/8        { bogus yes; };
server 10.0.0.0/8       { bogus yes; };
server 127.0.0.0/8      { bogus yes; };
server 169.254.0.0/16   { bogus yes; };
server 172.16.0.0/12    { bogus yes; };
server 192.0.0.0/24     { bogus yes; };
server 192.0.2.0/24     { bogus yes; };
server 192.168.0.0/16   { bogus yes; };
server 198.18.0.0/15    { bogus yes; };
server 198.51.100.0/24  { bogus yes; };
server 203.0.113.0/24   { bogus yes; };
server 224.0.0.0/3      { bogus yes; };

Ok, fair 'nuff.

W



Tony.
--
f.anthony.n.finch  <d...@dotat.at>  http://dotat.at/
GERMAN BIGHT HUMBER: SOUTHWEST 5 TO 7. MODERATE OR ROUGH. SQUALLY SHOWERS.
MODERATE OR GOOD.
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