Verify ownership of System Login Banner for Remote Connections
Description
To properly set the owner of /etc/issue.net, run the command:
$ sudo chown root /etc/issue.net
Rationale
Display of a standardized and approved use notification before granting
access to the operating system ensures privacy and security notification
verbiage used is consistent with applicable federal laws, Executive Orders,
directives, policies, regulations, standards, and guidance.
Proper ownership will ensure that only root user can modify the banner.
Shell script
The following script can be run on the host to remediate the issue.
#!/bin/bash
chown -L 0 /etc/issue.net
Ansible playbook
The following playbook can be run with Ansible to remediate the issue.
- name: Test for existence /etc/issue.net
stat:
path: /etc/issue.net
register: file_exists
tags:
- PCI-DSSv4-1.2.8
- configure_strategy
- file_owner_etc_issue_net
- low_complexity
- low_disruption
- medium_severity
- no_reboot_needed
- name: Ensure owner 0 on /etc/issue.net
file:
path: /etc/issue.net
owner: '0'
when: file_exists.stat is defined and file_exists.stat.exists
tags:
- PCI-DSSv4-1.2.8
- configure_strategy
- file_owner_etc_issue_net
- low_complexity
- low_disruption
- medium_severity
- no_reboot_needed
