| name | cis-ubuntu1604-v200-3-5-1-2 |
| description | Ensure iptables-persistent is not installed with ufw |
| category | cis-networking |
| version | 2.0.0 |
| author | cyberstrike-official |
| tags | ["cis","ubuntu","linux","ubuntu-16.04","firewall"] |
| cis_id | 3.5.1.2 |
| cis_benchmark | CIS Ubuntu Linux 16.04 LTS Benchmark v2.0.0 |
| tech_stack | ["ubuntu","linux"] |
| cwe_ids | [] |
| chains_with | [] |
| prerequisites | [] |
| severity_boost | {} |
CIS Ubuntu Linux 16.04 LTS Benchmark v2.0.0 - Control 3.5.1.2
Profile
- Level: Level 1 - Server, Level 1 - Workstation
- Assessment Status: Automated
Description
The iptables-persistent is a boot-time loader for netfilter rules, iptables plugin.
Rationale
Running both ufw and the services included in the iptables-persistent package may lead to conflict.
Audit Procedure
Command Line
Run the following command to verify that the iptables-persistent package is not installed:
dpkg-query -s iptables-persistent
Expected Result
package 'iptables-persistent' is not installed and no information is available
Remediation
Command Line
Run the following command to remove the iptables-persistent package:
apt purge iptables-persistent
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.