---
title: Verify ufw Enabled
description: Datadog, the leading service for cloud-scale monitoring.
breadcrumbs: Docs > Datadog Security > OOTB Rules > Verify ufw Enabled
---

> For the complete documentation index, see [llms.txt](https://docs.datadoghq.com/llms.txt).

# Verify ufw Enabled
 
## Description{% #description %}

The `ufw` service can be enabled with the following command:

```
$ sudo systemctl enable ufw.service
```

## Rationale{% #rationale %}

The ufw service must be enabled and running in order for ufw to protect the system

## Remediation{% #remediation %}

### Shell script{% #shell-script %}

The following script can be run on the host to remediate the issue.

```bash
#!/bin/bash

# Remediation is applicable only in certain platforms
if dpkg-query --show --showformat='${db:Status-Status}' 'linux-base' 2>/dev/null | grep -q '^installed$' && { ( ( dpkg-query --show --showformat='${db:Status-Status}' 'ufw' 2>/dev/null | grep -q '^installed$' && dpkg-query --show --showformat='${db:Status-Status}' 'linux-base' 2>/dev/null | grep -q '^installed$' ) ); }; then

var_network_filtering_service='ufw'


SYSTEMCTL_EXEC='/usr/bin/systemctl'

if [ $var_network_filtering_service == ufw ]; then
  "$SYSTEMCTL_EXEC" unmask 'ufw.service'
  "$SYSTEMCTL_EXEC" start 'ufw.service'
  "$SYSTEMCTL_EXEC" enable 'ufw.service'
fi

else
    >&2 echo 'Remediation is not applicable, nothing was done'
fi
```

### Ansible playbook{% #ansible-playbook %}

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

```gdscript3
- name: Gather the package facts
  package_facts:
    manager: auto
  tags:
  - DISA-STIG-UBTU-22-251020
  - enable_strategy
  - low_complexity
  - low_disruption
  - medium_severity
  - no_reboot_needed
  - service_ufw_enabled
- name: XCCDF Value var_network_filtering_service # promote to variable
  set_fact:
    var_network_filtering_service: !!str ufw
  tags:
    - always

- name: Enable service ufw
  block:

  - name: Gather the package facts
    ansible.builtin.package_facts:
      manager: auto

  - name: Enable service ufw
    ansible.builtin.systemd:
      name: ufw
      enabled: 'yes'
      state: started
      masked: 'no'
    when:
    - '"ufw" in ansible_facts.packages'
    - var_network_filtering_service == "ufw"
    - var_network_filtering_service == "ufw"
  when:
  - '"linux-base" in ansible_facts.packages'
  - ( "ufw" in ansible_facts.packages and "linux-base" in ansible_facts.packages )
  tags:
  - DISA-STIG-UBTU-22-251020
  - enable_strategy
  - low_complexity
  - low_disruption
  - medium_severity
  - no_reboot_needed
  - service_ufw_enabled
```