# Cis Ubuntu1604 V200 3 5 2 9

> Ensure nftables service is enabled

- Skill: `cyberstrikeus/cis-ubuntu1604-v200-3-5-2-9` (Agent Skill)
- Install (CLI): `npx skillmds@latest add cyberstrikeus/cis-ubuntu1604-v200-3-5-2-9`
- Raw SKILL.md: https://api.skillmd.com/api/skills/cyberstrikeus/cis-ubuntu1604-v200-3-5-2-9/raw
- Safety review: PASS (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: cyberstrikeus (https://skillmd.com/u/cyberstrikeus)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/cyberstrikeus/cis-ubuntu1604-v200-3-5-2-9

---


# CIS Ubuntu Linux 16.04 LTS Benchmark v2.0.0 - Control 3.5.2.9

## Profile

- **Level:** Level 1 - Server, Level 1 - Workstation
- **Assessment Status:** Automated

## Description

The nftables service allows for the loading of nftables rulesets during boot, or starting on the nftables service.

## Rationale

The nftables service restores the nftables rules from the rules files referenced in the `/etc/nftables.conf` file during boot or the starting of the nftables service.

## Audit Procedure

### Command Line

Run the following command and verify that the nftables service is enabled:

```bash
systemctl is-enabled nftables
```

## Expected Result

```
enabled
```

## Remediation

### Command Line

Run the following command to enable the nftables service:

```bash
systemctl enable nftables
```

## References

None

## CIS Controls

Version 7

9.4 Apply Host-based Firewalls or Port Filtering - Apply host-based firewalls or port filtering tools on end systems, with a default-deny rule that drops all traffic except those services and ports that are explicitly allowed.