Hide your BIND version

Contributed by skreuzer  
Tagged: Linux security  

Any user can discover the version of bind you are running with the following command: nslookup -q=txt -class=CHAOS version.bin.remote.dns.server. by altering you named.conf file, you can hind this information.

To hide your version of bind, add the following value to named.conf
version "[SECURED]"
in the options section section as follows:

options {
directory "/var/named";
version "[SECURED]";
};


Restart named.