The system's local firewall must implement a deny-all, allow-by-exception policy.

From MAC OSX 10.6 Workstation Security Technical Implementation Guide

Associated with IA controls: ECSC-1

Associated with: CCI-001109

SV-39384r1_rule The system's local firewall must implement a deny-all, allow-by-exception policy.

Vulnerability discussion

A local firewall protects the system from exposing unnecessary or undocumented network services to the local enclave. If a system within the enclave is compromised, firewall protection on an individual system continues to protect it from attack.

Check content

Determine if the system's local firewall implements a deny-all, allow-by-exception policy. If it does not, this is a finding.

Fix text

Configure the system's local firewall to implement a deny-all, allow-by-exception policy.

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