Install the OpenSSH Server Package
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Description
The openssh-server package should be installed.
The openssh-server package can be installed with the following command:
$ apt-get install openssh-server
Rationale
Without protection of the transmitted information, confidentiality, and
integrity may be compromised because unprotected communications can be
intercepted and either read or altered.
Shell script
The following script can be run on the host to remediate the issue.
#!/bin/bash
# Remediation is applicable only in certain platforms
if [ ! -f /.dockerenv ] && [ ! -f /run/.containerenv ]; then
DEBIAN_FRONTEND=noninteractive apt-get install -y "openssh-server"
else
>&2 echo 'Remediation is not applicable, nothing was done'
fi
Ansible playbook
The following playbook can be run with Ansible to remediate the issue.
- name: Ensure openssh-server is installed
package:
name: openssh-server
state: present
when: ansible_virtualization_type not in ["docker", "lxc", "openvz", "podman", "container"]
tags:
- DISA-STIG-UBTU-20-010042
- NIST-800-53-CM-6(a)
- enable_strategy
- low_complexity
- low_disruption
- medium_severity
- no_reboot_needed
- package_openssh-server_installed
