======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