Blocking version information

Pete Ehlke pde at
Sat Jun 18 13:15:48 UTC 2005

On Fri Jun 17, 2005 at 16:51:04 -0700, James Philpott wrote:
>There should be no problems associated with hiding the version 
>information on your DNS server in BIND 9 or BIND 8 by the use of the 
>global options statement "version". Version is a widely obfuscated by 
>the use of the this option when an administrator does not want the world 
>or their internal users to be able to see the version of BIND is being 
Changing the string reported via the version statement- or changing it
in the source- does little to nothing to keep world+dog from discovering
what name server you are running. People do this, thinking they are
'hiding' their version. They are wrong.


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