Common Controls Hub
The system must employ a local IPv4 firewall.
The "iptables" service provides the system's host-based firewalling capability for IPv4 and ICMP.
Red Hat Enterprise Linux 6 Security Technical Implementation Guide
Check Text ( C-19411r376805_chk )
If the system is a cross-domain system, this is not applicable.
Run the following command to determine the current status of the "iptables" service:
# service iptables status
If the service is not running, it should return the following:
iptables: Firewall is not running.
If the service is not running, this is a finding.
Fix Text (F-19409r376806_fix)
The "iptables" service can be enabled with the following commands:
# chkconfig iptables on
# service iptables start