Blocking private addresses with a optionq

Chris Buxton clists at
Thu Mar 14 15:57:08 UTC 2013

On Mar 14, 2013, at 3:29 AM, Tony Finch wrote:

> King, Harold Clyde (Hal) <hck at> wrote:
>> Is there an option for bind like the allow-recursion { <network-acl> }
>> For blocking out going records of and 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.

No, I'm pretty sure the OP wants to strip records from responses if the records are A records referring to private address space (RFC 1918).

I've no idea how you would do this.

Chris Buxton
BlueCat Networks

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