How to prevent querying of bind version

James Raftery james-bind-users at
Wed Oct 3 13:03:42 UTC 2001

On Wed, Oct 03, 2001 at 08:39:15PM +0800, derek.b.gooh at wrote:
> I'm running bind 8.22-p5, how do I configure bind to prevent people from
> querying my bind version?

You first upgrade to 8.2.5-REL *immediately*, as 8.2.2-P5 has serious,
published security vulnerabilities. See

Then use the options statement in your named.conf to have BIND publish
any string of your choosing:

options {
	[ ...]
	version "I should subscribe to the CERT mailing list";

James Raftery (JBR54)
  "It's somewhere in the Red Hat district"  --  A network engineer's
   freudian slip when talking about Amsterdam's nightlife at RIPE 38.

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