| name | cis-ubuntu1204-v110-8-1-1-3 |
| description | Keep All Auditing Information |
| category | cis-os-hardening |
| version | 1.1.0 |
| author | cyberstrike-official |
| tags | ["cis","ubuntu",12.04,"linux","logging","auditd","audit-log","retention"] |
| cis_id | 8.1.1.3 |
| cis_benchmark | CIS Ubuntu 12.04 LTS Server Benchmark v1.1.0 |
| tech_stack | ["ubuntu","linux"] |
| cwe_ids | [] |
| chains_with | [] |
| prerequisites | [] |
| severity_boost | {} |
8.1.1.3 Keep All Auditing Information (Scored)
Profile Applicability
Description
Normally, auditd will hold 4 logs of maximum log file size before deleting older log files.
Rationale
In high security contexts, the benefits of maintaining a long audit history exceed the cost of storing the audit history.
Audit Procedure
Using Command Line
Perform the following to determine if audit logs are retained.
grep max_log_file_action /etc/audit/auditd.conf
Expected Result
max_log_file_action = keep_logs
Remediation
Using Command Line
Add the following line to the /etc/audit/auditd.conf file:
max_log_file_action = keep_logs
Default Value
By default, auditd retains only 4 copies of log files.
References
- CIS Ubuntu 12.04 LTS Server Benchmark v1.1.0
Profile
Level 2 - Scored