Blocking private addresses with a optionq

Kevin Darcy kcd at chrysler.com
Thu Mar 14 18:56:50 UTC 2013


On 3/14/2013 6:29 AM, Tony Finch wrote:
> King, Harold Clyde (Hal) <hck at utk.edu> wrote:
>
>> Is there an option for bind like the allow-recursion { <network-acl> }
>> For blocking out going records of 10.0.0.0/8 and 192.168.0.0/16 so I could do a view like:
> I'm not sure what you mean by "blocking out going records" but there are a
> couple of options that might do what you want:
>
> There is the "blackhole" acl which makes named ignore all requests and
> never send queries to a particular address range.
>
> There is the server ... { bogus yes; }; clause which stops named from
> sending queries to a particular address range.
I think he wants to strip addresses (A and/or AAAA) of certain ranges 
from his outgoing responses. Circa BIND 9.7-ish, there used to be a 
focused way to do this (deny-answer-addresses?), but I think the more 
"modern" way to accomplish the same thing is with RPZ.

             - Kevin




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