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The system firewall must be configured with a default-deny policy.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-67541 | AOSX-11-000155 | SV-82031r1_rule | Medium |
| Description |
|---|
| An approved firewall must be installed and enabled to work in concert with the OS X Application Firewall. When configured correctly, firewalls protect computers from network attacks by blocking or limiting access to open network ports. |
| STIG | Date |
|---|---|
| Apple OS X 10.11 Security Technical Implementation Guide | 2017-04-06 |
Details
| Check Text ( C-68107r1_chk ) |
|---|
| The system firewall must be configured with a "default-deny" policy. Ask the SA or ISSO if an approved firewall is loaded on the system. The recommended system is the McAfee HBSS. If there is no firewall installed on the system, this is a finding. If there is a firewall installed and it is not configured with a "default-deny" policy, this is a finding. |
| Fix Text (F-73655r1_fix) |
|---|
| Install an approved HBSS or firewall solution onto the system and configure it with a "default-deny" policy. |