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
Run the following command and verify iptables is installed:
# dpkg -s iptables
Remediation
Run the following command to install iptables
:
# apt-get install iptables