Uninstall bind Package

Classification:

compliance

Framework:

Control:

Description

The named service is provided by the bind package. The bind package can be removed with the following command:


$ apt-get remove bind

Rationale

If there is no need to make DNS server software available, removing it provides a safeguard against its activation.

Remediation

Shell script

The following script can be run on the host to remediate the issue.

# CAUTION: This remediation script will remove bind9
# from the system, and may remove any packages
# that depend on bind9. Execute this
# remediation AFTER testing on a non-production
# system!

DEBIAN\_FRONTEND=noninteractive apt-get remove -y "bind9"

Ansible playbook

The following playbook can be run with Ansible to remediate the issue.

- name: Ensure bind9 is removed
 package:
 name: bind9
 state: absent
 tags:
 - NIST-800-53-CM-6(a)
 - NIST-800-53-CM-7(a)
 - NIST-800-53-CM-7(b)
 - PCI-DSSv4-2.2.4
 - disable\_strategy
 - low\_complexity
 - low\_disruption
 - low\_severity
 - no\_reboot\_needed
 - package\_bind\_removed