Sending extra info in bind dns query packet

Mukund Sivaraman muks at
Thu Jul 14 15:54:28 UTC 2016

On Thu, Jul 14, 2016 at 11:15:03PM +1000, Karl Auer wrote:
> On Thu, 2016-07-14 at 11:19 +0530, Sachin Patil wrote:
> > I am just looking into bind and want to send extra information while
> > querying dns bind server. This information will be used at the bind 
> > server side to return the resolved ip.
> I've had an off-list discussion with Sachin Patel, asking him what he
> was actually trying to achieve. It turns out that it is this:
> "I am just trying to fiddle with dns server to block certain users to
> certain resources."

Perhaps an existing mechanism such as RPZ would be suitable.

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