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Article ID: 6574, created on Aug 5, 2009, last review on May 10, 2014

  • Applies to:
  • H-Sphere


Parallels H-Sphere Control Panel can not pass PCI (payment card industry) scan because off the following Security information found on  port/service "domain (53/udp)":
"Determine which version of BIND name daemon is running"


It is possible to hide the version number of bind by using the 'version'  directive in the 'options' section in named.conf

Changes in the named.conf should looks like:

# diff /etc/named.conf.orig /etc/named.conf
 >       version "Not disclosed";

To restart named please run:

/etc/init.d/named restart - Linux
/usr/local/etc/rc.d/ restart - FreeBSD

To verify the issue just send request to DNS from any IP address:

# nslookup -type=txt -class=chaos version.bind

version.bind    text = "Not disclosed"

where, - box with name server installed.

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