Verify User Who Owns /var/log/syslog File

이 페이지는 아직 영어로 제공되지 않습니다. 번역 작업 중입니다.
현재 번역 프로젝트에 대한 질문이나 피드백이 있으신 경우 언제든지 연락주시기 바랍니다.

Description

To properly set the owner of /var/log/syslog, run the command:

$ sudo chown syslog /var/log/syslog

Rationale

The /var/log/syslog file contains logs of error messages in the system and should only be accessed by authorized personnel.

Remediation

Ansible playbook

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

- name: Gather the package facts
  package_facts:
    manager: auto
  tags:
  - DISA-STIG-UBTU-20-010421
  - configure_strategy
  - file_owner_var_log_syslog
  - low_complexity
  - low_disruption
  - medium_severity
  - no_reboot_needed

- name: Check that the syslog user is defined
  getent:
    database: passwd
    key: syslog
  ignore_errors: true
  when: '"rsyslog" in ansible_facts.packages'
  tags:
  - DISA-STIG-UBTU-20-010421
  - configure_strategy
  - file_owner_var_log_syslog
  - low_complexity
  - low_disruption
  - medium_severity
  - no_reboot_needed

- name: Set the file_owner_var_log_syslog_newown variable if syslog found
  set_fact:
    file_owner_var_log_syslog_newown: syslog
  when:
  - '"rsyslog" in ansible_facts.packages'
  - ansible_facts.getent_passwd["syslog"] is defined
  tags:
  - DISA-STIG-UBTU-20-010421
  - configure_strategy
  - file_owner_var_log_syslog
  - low_complexity
  - low_disruption
  - medium_severity
  - no_reboot_needed

- name: Test for existence /var/log/syslog
  stat:
    path: /var/log/syslog
  register: file_exists
  when: '"rsyslog" in ansible_facts.packages'
  tags:
  - DISA-STIG-UBTU-20-010421
  - configure_strategy
  - file_owner_var_log_syslog
  - low_complexity
  - low_disruption
  - medium_severity
  - no_reboot_needed

- name: Ensure owner on /var/log/syslog
  file:
    path: /var/log/syslog
    owner: '{{ file_owner_var_log_syslog_newown }}'
  when:
  - '"rsyslog" in ansible_facts.packages'
  - file_exists.stat is defined and file_exists.stat.exists
  tags:
  - DISA-STIG-UBTU-20-010421
  - configure_strategy
  - file_owner_var_log_syslog
  - low_complexity
  - low_disruption
  - medium_severity
  - no_reboot_needed