# CIS Ubuntu 14.04 LTS - 4.1.1.2 Ensure system is disabled when audit logs are full

> Configure auditd to halt the system when audit logs are full to prevent loss of audit data

- Skill: `cyberstrikeus/cis-ubuntu-14-04-lts-4-1-1-2-ensure-system-is-disabled-when-` (Agent Skill)
- Install (CLI): `npx skillmds@latest add cyberstrikeus/cis-ubuntu-14-04-lts-4-1-1-2-ensure-system-is-disabled-when-`
- Raw SKILL.md: https://api.skillmd.com/api/skills/cyberstrikeus/cis-ubuntu-14-04-lts-4-1-1-2-ensure-system-is-disabled-when-/raw
- Safety review: PASS (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Security
- Author: cyberstrikeus (https://skillmd.com/u/cyberstrikeus)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/cyberstrikeus/cis-ubuntu-14-04-lts-4-1-1-2-ensure-system-is-disabled-when-

---


# 4.1.1.2 Ensure system is disabled when audit logs are full (Scored)

## Profile Applicability

- Level 2 - Server
- Level 2 - Workstation

## Description

The `auditd` daemon can be configured to halt the system when the audit logs are full.

## Rationale

In high security contexts, the risk of detecting unauthorized access or nonrepudiation exceeds the benefit of the system's availability.

## Audit Procedure

Run the following commands and verify output matches:

```bash
grep space_left_action /etc/audit/auditd.conf
grep action_mail_acct /etc/audit/auditd.conf
grep admin_space_left_action /etc/audit/auditd.conf
```

## Expected Result

```
space_left_action = email
action_mail_acct = root
admin_space_left_action = halt
```

## Remediation

Set the following parameters in `/etc/audit/auditd.conf`:

```bash
space_left_action = email
action_mail_acct = root
admin_space_left_action = halt
```

## Default Value

Not configured by default.

## References

1. CIS Controls v6.1 - 6.3 Ensure Audit Logging Systems Are Not Subject To Loss

## Profile

- Level 2 - Server
- Level 2 - Workstation