The Red Hat Enterprise Linux operating system must enable an application firewall, if available.
An XCCDF Rule
Description
<VulnDiscussion>Firewalls protect computers from network attacks by blocking or limiting access to open network ports. Application firewalls limit which applications are allowed to communicate over the network. Satisfies: SRG-OS-000480-GPOS-00227, SRG-OS-000480-GPOS-00231, SRG-OS-000480-GPOS-00232</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-204604r603261_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Ensure the operating system's application firewall is enabled.
Install the "firewalld" package, if it is not on the system, with the following command:
# yum install firewalld