| name | CIS Ubuntu 14.04 LTS - 3.6.1 Ensure iptables is installed |
| description | Verify that iptables is installed for firewall management and configuration |
| category | cis-os-hardening |
| version | 2.1.0 |
| author | cyberstrike-official |
| tags | ["cis","ubuntu","ubuntu-14.04","level-1","scored","firewall","network"] |
| cis_id | 3.6.1 |
| cis_benchmark | CIS Ubuntu Linux 14.04 LTS Benchmark v2.1.0 |
| tech_stack | ["ubuntu","linux"] |
| cwe_ids | [] |
| chains_with | [] |
| prerequisites | [] |
| severity_boost | high |
3.6.1 Ensure iptables is installed (Scored)
Profile Applicability
- Level 1 - Server
- Level 1 - Workstation
Description
iptables allows configuration of the IPv4 tables in the linux kernel and the rules stored within them. Most firewall configuration utilities operate as a front end to iptables.
Rationale
iptables is required for firewall management and configuration.
Audit Procedure
Run the following command and verify iptables is installed:
dpkg -s iptables
Expected Result
The package iptables should be installed (status: install ok installed).
Remediation
Run the following command to install iptables:
apt-get install iptables
Default Value
Installed by default on Ubuntu.
References
- CIS Controls: 9.2 - Leverage Host-based Firewalls
Profile
- Level 1 - Server
- Level 1 - Workstation
