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Check: GEN008540 M6

MACOSX 10.6: GEN008540 M6 (in version v1 r3)

Title

The system's local firewall must implement a deny-all, allow-by-exception policy. (Cat II impact)

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.

Additional Identifiers

Rule ID: SV-39384r1_rule

Vulnerability ID: V-22583

Group Title:

Expert Comments

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CCIs

CCIs tied to check.
Number Definition
CCI-001109

The information system at managed interfaces denies network communications traffic by default and allows network communications traffic by exception (i.e., deny all, permit by exception).

Controls

Controls tied to check. These are derived from the CCIs shown above.
Number Title
SC-7 (5)

Deny By Default / Allow By Exception