Ansible role auditd
Install and configure auditd on your system.
GitHub | Version | Issues | Pull Requests | Downloads |
---|---|---|---|---|
This example is taken from molecule/default/converge.yml
and is tested on each push, pull request and release.
---
- name: Converge
hosts: all
become: true
gather_facts: true
roles:
- role: buluma.auditd
auditd_start_service: false
auditd_local_events: "no"
auditd_rules:
- file: /var/log/audit/
keyname: auditlog
- file: /etc/audit/
permissions:
- write
- attribute_change
keyname: auditconfig
- file: /etc/libaudit.conf
permissions:
- write
- attribute_change
keyname: auditconfig
- file: /etc/audisp/
permissions:
- write
- attribute_change
keyname: audispconfig
- file: /sbin/auditctl
permissions:
- execute
keyname: audittools
- file: /sbin/auditd
permissions:
- execute
keyname: audittools
- syscall: open
action: always
filter: exit
filters:
- auid!=4294967295
- auid!=unset
keyname: my_keyname
arch: b32
- syscall: adjtimex
action: always
filter: exit
keyname: time_change
- syscall: settimeofday
action: always
filter: exit
keyname: time_change
- action: always
filter: exit
filters:
- path=/bin/ping
- perm=x
- auid>=500
- auid!=4294967295
keyname: privileged
The machine needs to be prepared. In CI this is done using molecule/default/prepare.yml
:
---
- name: Prepare
hosts: all
become: true
gather_facts: false
roles:
- role: buluma.bootstrap
Also see a full explanation and example on how to use these roles.
The default values for the variables are set in defaults/main.yml
:
---
# defaults file for auditd
# Below variables are docuemented in the man page for auditd.conf
# https://linux.die.net/man/5/auditd.conf
auditd_buffer_size: 32768
auditd_fail_mode: 1
auditd_maximum_rate: 60
auditd_enable_flag: 1
auditd_local_events: "yes"
auditd_write_logs: "yes"
auditd_log_file: /var/log/audit/audit.log
auditd_log_group: root
auditd_log_format: RAW
auditd_flush: incremental_async
auditd_freq: 50
auditd_max_log_file: 8
auditd_num_logs: 5
auditd_priority_boost: 4
auditd_disp_qos: lossy
auditd_dispatcher: /sbin/audispd
auditd_name_format: none
auditd_max_log_file_action: rotate
auditd_space_left: "75" # This can be a number ('25') or a percentage. ('25%')
auditd_space_left_action: syslog
auditd_verify_email: "yes"
auditd_action_mail_acct: root
auditd_admin_space_left: 50
auditd_admin_space_left_action: suspend
auditd_disk_full_action: suspend
auditd_disk_error_action: suspend
auditd_use_libwrap: "yes"
auditd_tcp_listen_queue: 5
auditd_tcp_max_per_addr: 1
auditd_tcp_client_max_idle: 0
auditd_enable_krb5: "no"
auditd_krb5_principal: auditd
auditd_distribute_network: "no"
# You can opt to manage the rules with this role or not.
# Setting auditd_manage_rules to false will not manage the rules.
auditd_manage_rules: true
# Some rules require a specific architecture to be set.
auditd_default_arch: b64
# You can opt to start the auditd service or not.
# Mostly useful in CI, to avoid starting the service.
auditd_start_service: true
- pip packages listed in requirements.txt.
The following roles are used to prepare a system. You can prepare your system in another way.
Requirement | GitHub | Version |
---|---|---|
buluma.bootstrap |
This role is a part of many compatible roles. Have a look at the documentation of these roles for further information.
Here is an overview of related roles:
This role has been tested on these container images:
container | tags |
---|---|
EL | 8, 9 |
Debian | all |
Fedora | all |
opensuse | all |
Ubuntu | all |
The minimum version of Ansible required is 2.12, tests have been done to:
- The previous version.
- The current version.
- The development version.
If you find issues, please register them in GitHub