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The system must employ a local IPv4 firewall.


Finding ID Version Rule ID IA Controls Severity
V-217930 RHEL-06-000113 SV-217930r505923_rule Medium
The "iptables" service provides the system's host-based firewalling capability for IPv4 and ICMP.
Red Hat Enterprise Linux 6 Security Technical Implementation Guide 2020-09-03


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